^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) // SPDX-License-Identifier: GPL-2.0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) * Copyright (c) 2014 Anna Schumaker <Anna.Schumaker@Netapp.com>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) #ifndef __LINUX_FS_NFS_NFS4_2XDR_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) #define __LINUX_FS_NFS_NFS4_2XDR_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) #include "nfs42.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) #define encode_fallocate_maxsz (encode_stateid_maxsz + \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) 2 /* offset */ + \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) 2 /* length */)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) #define NFS42_WRITE_RES_SIZE (1 /* wr_callback_id size */ +\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) XDR_QUADLEN(NFS4_STATEID_SIZE) + \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) 2 /* wr_count */ + \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) 1 /* wr_committed */ + \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) XDR_QUADLEN(NFS4_VERIFIER_SIZE))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) #define encode_allocate_maxsz (op_encode_hdr_maxsz + \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) encode_fallocate_maxsz)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) #define decode_allocate_maxsz (op_decode_hdr_maxsz)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) #define encode_copy_maxsz (op_encode_hdr_maxsz + \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) XDR_QUADLEN(NFS4_STATEID_SIZE) + \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) XDR_QUADLEN(NFS4_STATEID_SIZE) + \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) 2 + 2 + 2 + 1 + 1 + 1 +\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) 1 + /* One cnr_source_server */\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) 1 + /* nl4_type */ \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) 1 + XDR_QUADLEN(NFS4_OPAQUE_LIMIT))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) #define decode_copy_maxsz (op_decode_hdr_maxsz + \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) NFS42_WRITE_RES_SIZE + \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) 1 /* cr_consecutive */ + \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) 1 /* cr_synchronous */)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) #define encode_offload_cancel_maxsz (op_encode_hdr_maxsz + \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) XDR_QUADLEN(NFS4_STATEID_SIZE))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) #define decode_offload_cancel_maxsz (op_decode_hdr_maxsz)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) #define encode_copy_notify_maxsz (op_encode_hdr_maxsz + \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) XDR_QUADLEN(NFS4_STATEID_SIZE) + \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) 1 + /* nl4_type */ \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) 1 + XDR_QUADLEN(NFS4_OPAQUE_LIMIT))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) #define decode_copy_notify_maxsz (op_decode_hdr_maxsz + \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) 3 + /* cnr_lease_time */\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) XDR_QUADLEN(NFS4_STATEID_SIZE) + \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) 1 + /* Support 1 cnr_source_server */\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) 1 + /* nl4_type */ \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) 1 + XDR_QUADLEN(NFS4_OPAQUE_LIMIT))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) #define encode_deallocate_maxsz (op_encode_hdr_maxsz + \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) encode_fallocate_maxsz)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) #define decode_deallocate_maxsz (op_decode_hdr_maxsz)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) #define encode_read_plus_maxsz (op_encode_hdr_maxsz + \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) encode_stateid_maxsz + 3)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) #define NFS42_READ_PLUS_SEGMENT_SIZE (1 /* data_content4 */ + \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) 2 /* data_info4.di_offset */ + \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) 2 /* data_info4.di_length */)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) #define decode_read_plus_maxsz (op_decode_hdr_maxsz + \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) 1 /* rpr_eof */ + \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) 1 /* rpr_contents count */ + \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) 2 * NFS42_READ_PLUS_SEGMENT_SIZE)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) #define encode_seek_maxsz (op_encode_hdr_maxsz + \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) encode_stateid_maxsz + \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) 2 /* offset */ + \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) 1 /* whence */)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) #define decode_seek_maxsz (op_decode_hdr_maxsz + \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) 1 /* eof */ + \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) 1 /* whence */ + \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) 2 /* offset */ + \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) 2 /* length */)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) #define encode_io_info_maxsz 4
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) #define encode_layoutstats_maxsz (op_decode_hdr_maxsz + \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) 2 /* offset */ + \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) 2 /* length */ + \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) encode_stateid_maxsz + \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) encode_io_info_maxsz + \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) encode_io_info_maxsz + \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) 1 /* opaque devaddr4 length */ + \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) XDR_QUADLEN(PNFS_LAYOUTSTATS_MAXSIZE))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) #define decode_layoutstats_maxsz (op_decode_hdr_maxsz)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) #define encode_device_error_maxsz (XDR_QUADLEN(NFS4_DEVICEID4_SIZE) + \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) 1 /* status */ + 1 /* opnum */)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) #define encode_layouterror_maxsz (op_decode_hdr_maxsz + \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) 2 /* offset */ + \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) 2 /* length */ + \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) encode_stateid_maxsz + \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) 1 /* Array size */ + \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) encode_device_error_maxsz)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) #define decode_layouterror_maxsz (op_decode_hdr_maxsz)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) #define encode_clone_maxsz (encode_stateid_maxsz + \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) encode_stateid_maxsz + \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) 2 /* src offset */ + \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) 2 /* dst offset */ + \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) 2 /* count */)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) #define decode_clone_maxsz (op_decode_hdr_maxsz)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) #define NFS4_enc_allocate_sz (compound_encode_hdr_maxsz + \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) encode_sequence_maxsz + \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) encode_putfh_maxsz + \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) encode_allocate_maxsz + \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) encode_getattr_maxsz)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) #define NFS4_dec_allocate_sz (compound_decode_hdr_maxsz + \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98) decode_sequence_maxsz + \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) decode_putfh_maxsz + \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) decode_allocate_maxsz + \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) decode_getattr_maxsz)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) #define NFS4_enc_copy_sz (compound_encode_hdr_maxsz + \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) encode_sequence_maxsz + \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) encode_putfh_maxsz + \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) encode_savefh_maxsz + \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) encode_putfh_maxsz + \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) encode_copy_maxsz + \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) encode_commit_maxsz)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) #define NFS4_dec_copy_sz (compound_decode_hdr_maxsz + \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) decode_sequence_maxsz + \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) decode_putfh_maxsz + \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) decode_savefh_maxsz + \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) decode_putfh_maxsz + \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) decode_copy_maxsz + \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) decode_commit_maxsz)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) #define NFS4_enc_offload_cancel_sz (compound_encode_hdr_maxsz + \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) encode_sequence_maxsz + \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) encode_putfh_maxsz + \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) encode_offload_cancel_maxsz)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) #define NFS4_dec_offload_cancel_sz (compound_decode_hdr_maxsz + \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) decode_sequence_maxsz + \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) decode_putfh_maxsz + \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) decode_offload_cancel_maxsz)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) #define NFS4_enc_copy_notify_sz (compound_encode_hdr_maxsz + \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) encode_putfh_maxsz + \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) encode_copy_notify_maxsz)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) #define NFS4_dec_copy_notify_sz (compound_decode_hdr_maxsz + \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) decode_putfh_maxsz + \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) decode_copy_notify_maxsz)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) #define NFS4_enc_deallocate_sz (compound_encode_hdr_maxsz + \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) encode_sequence_maxsz + \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) encode_putfh_maxsz + \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) encode_deallocate_maxsz + \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) encode_getattr_maxsz)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) #define NFS4_dec_deallocate_sz (compound_decode_hdr_maxsz + \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) decode_sequence_maxsz + \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) decode_putfh_maxsz + \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) decode_deallocate_maxsz + \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) decode_getattr_maxsz)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) #define NFS4_enc_read_plus_sz (compound_encode_hdr_maxsz + \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) encode_sequence_maxsz + \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) encode_putfh_maxsz + \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) encode_read_plus_maxsz)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) #define NFS4_dec_read_plus_sz (compound_decode_hdr_maxsz + \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) decode_sequence_maxsz + \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) decode_putfh_maxsz + \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) decode_read_plus_maxsz)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) #define NFS4_enc_seek_sz (compound_encode_hdr_maxsz + \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) encode_sequence_maxsz + \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) encode_putfh_maxsz + \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) encode_seek_maxsz)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) #define NFS4_dec_seek_sz (compound_decode_hdr_maxsz + \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) decode_sequence_maxsz + \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) decode_putfh_maxsz + \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) decode_seek_maxsz)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) #define NFS4_enc_layoutstats_sz (compound_encode_hdr_maxsz + \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) encode_sequence_maxsz + \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) encode_putfh_maxsz + \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) PNFS_LAYOUTSTATS_MAXDEV * encode_layoutstats_maxsz)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) #define NFS4_dec_layoutstats_sz (compound_decode_hdr_maxsz + \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) decode_sequence_maxsz + \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) decode_putfh_maxsz + \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) PNFS_LAYOUTSTATS_MAXDEV * decode_layoutstats_maxsz)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) #define NFS4_enc_layouterror_sz (compound_encode_hdr_maxsz + \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) encode_sequence_maxsz + \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) encode_putfh_maxsz + \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) NFS42_LAYOUTERROR_MAX * \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) encode_layouterror_maxsz)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) #define NFS4_dec_layouterror_sz (compound_decode_hdr_maxsz + \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) decode_sequence_maxsz + \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) decode_putfh_maxsz + \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) NFS42_LAYOUTERROR_MAX * \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) decode_layouterror_maxsz)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) #define NFS4_enc_clone_sz (compound_encode_hdr_maxsz + \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) encode_sequence_maxsz + \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) encode_putfh_maxsz + \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) encode_savefh_maxsz + \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) encode_putfh_maxsz + \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) encode_clone_maxsz + \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) encode_getattr_maxsz)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) #define NFS4_dec_clone_sz (compound_decode_hdr_maxsz + \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) decode_sequence_maxsz + \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) decode_putfh_maxsz + \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) decode_savefh_maxsz + \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) decode_putfh_maxsz + \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) decode_clone_maxsz + \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) decode_getattr_maxsz)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) /* Not limited by NFS itself, limited by the generic xattr code */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) #define nfs4_xattr_name_maxsz XDR_QUADLEN(XATTR_NAME_MAX)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) #define encode_getxattr_maxsz (op_encode_hdr_maxsz + 1 + \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) nfs4_xattr_name_maxsz)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) #define decode_getxattr_maxsz (op_decode_hdr_maxsz + 1 + 1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) #define encode_setxattr_maxsz (op_encode_hdr_maxsz + \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) 1 + nfs4_xattr_name_maxsz + 1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) #define decode_setxattr_maxsz (op_decode_hdr_maxsz + decode_change_info_maxsz)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) #define encode_listxattrs_maxsz (op_encode_hdr_maxsz + 2 + 1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) #define decode_listxattrs_maxsz (op_decode_hdr_maxsz + 2 + 1 + 1 + 1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) #define encode_removexattr_maxsz (op_encode_hdr_maxsz + 1 + \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) nfs4_xattr_name_maxsz)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) #define decode_removexattr_maxsz (op_decode_hdr_maxsz + \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) decode_change_info_maxsz)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) #define NFS4_enc_getxattr_sz (compound_encode_hdr_maxsz + \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) encode_sequence_maxsz + \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) encode_putfh_maxsz + \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) encode_getxattr_maxsz)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) #define NFS4_dec_getxattr_sz (compound_decode_hdr_maxsz + \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) decode_sequence_maxsz + \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) decode_putfh_maxsz + \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) decode_getxattr_maxsz)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) #define NFS4_enc_setxattr_sz (compound_encode_hdr_maxsz + \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) encode_sequence_maxsz + \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) encode_putfh_maxsz + \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) encode_setxattr_maxsz)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) #define NFS4_dec_setxattr_sz (compound_decode_hdr_maxsz + \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) decode_sequence_maxsz + \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) decode_putfh_maxsz + \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) decode_setxattr_maxsz)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) #define NFS4_enc_listxattrs_sz (compound_encode_hdr_maxsz + \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) encode_sequence_maxsz + \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) encode_putfh_maxsz + \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) encode_listxattrs_maxsz)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) #define NFS4_dec_listxattrs_sz (compound_decode_hdr_maxsz + \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) decode_sequence_maxsz + \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) decode_putfh_maxsz + \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) decode_listxattrs_maxsz)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) #define NFS4_enc_removexattr_sz (compound_encode_hdr_maxsz + \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) encode_sequence_maxsz + \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) encode_putfh_maxsz + \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) encode_removexattr_maxsz)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) #define NFS4_dec_removexattr_sz (compound_decode_hdr_maxsz + \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) decode_sequence_maxsz + \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) decode_putfh_maxsz + \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) decode_removexattr_maxsz)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) * These values specify the maximum amount of data that is not
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) * associated with the extended attribute name or extended
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) * attribute list in the SETXATTR, GETXATTR and LISTXATTR
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242) * respectively.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) const u32 nfs42_maxsetxattr_overhead = ((RPC_MAX_HEADER_WITH_AUTH +
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245) compound_encode_hdr_maxsz +
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246) encode_sequence_maxsz +
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247) encode_putfh_maxsz + 1 +
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248) nfs4_xattr_name_maxsz)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249) * XDR_UNIT);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251) const u32 nfs42_maxgetxattr_overhead = ((RPC_MAX_HEADER_WITH_AUTH +
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252) compound_decode_hdr_maxsz +
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 253) decode_sequence_maxsz +
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 254) decode_putfh_maxsz + 1) * XDR_UNIT);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 255)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 256) const u32 nfs42_maxlistxattrs_overhead = ((RPC_MAX_HEADER_WITH_AUTH +
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 257) compound_decode_hdr_maxsz +
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 258) decode_sequence_maxsz +
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 259) decode_putfh_maxsz + 3) * XDR_UNIT);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 260)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 261) static void encode_fallocate(struct xdr_stream *xdr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 262) const struct nfs42_falloc_args *args)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 263) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 264) encode_nfs4_stateid(xdr, &args->falloc_stateid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 265) encode_uint64(xdr, args->falloc_offset);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 266) encode_uint64(xdr, args->falloc_length);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 267) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 268)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 269) static void encode_allocate(struct xdr_stream *xdr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 270) const struct nfs42_falloc_args *args,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 271) struct compound_hdr *hdr)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 272) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 273) encode_op_hdr(xdr, OP_ALLOCATE, decode_allocate_maxsz, hdr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 274) encode_fallocate(xdr, args);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 275) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 276)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 277) static void encode_nl4_server(struct xdr_stream *xdr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 278) const struct nl4_server *ns)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 279) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 280) encode_uint32(xdr, ns->nl4_type);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 281) switch (ns->nl4_type) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 282) case NL4_NAME:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 283) case NL4_URL:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 284) encode_string(xdr, ns->u.nl4_str_sz, ns->u.nl4_str);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 285) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 286) case NL4_NETADDR:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 287) encode_string(xdr, ns->u.nl4_addr.netid_len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 288) ns->u.nl4_addr.netid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 289) encode_string(xdr, ns->u.nl4_addr.addr_len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 290) ns->u.nl4_addr.addr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 291) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 292) default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 293) WARN_ON_ONCE(1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 294) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 295) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 296)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 297) static void encode_copy(struct xdr_stream *xdr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 298) const struct nfs42_copy_args *args,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 299) struct compound_hdr *hdr)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 300) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 301) encode_op_hdr(xdr, OP_COPY, decode_copy_maxsz, hdr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 302) encode_nfs4_stateid(xdr, &args->src_stateid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 303) encode_nfs4_stateid(xdr, &args->dst_stateid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 304)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 305) encode_uint64(xdr, args->src_pos);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 306) encode_uint64(xdr, args->dst_pos);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 307) encode_uint64(xdr, args->count);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 308)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 309) encode_uint32(xdr, 1); /* consecutive = true */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 310) encode_uint32(xdr, args->sync);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 311) if (args->cp_src == NULL) { /* intra-ssc */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 312) encode_uint32(xdr, 0); /* no src server list */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 313) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 314) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 315) encode_uint32(xdr, 1); /* supporting 1 server */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 316) encode_nl4_server(xdr, args->cp_src);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 317) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 318)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 319) static void encode_offload_cancel(struct xdr_stream *xdr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 320) const struct nfs42_offload_status_args *args,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 321) struct compound_hdr *hdr)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 322) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 323) encode_op_hdr(xdr, OP_OFFLOAD_CANCEL, decode_offload_cancel_maxsz, hdr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 324) encode_nfs4_stateid(xdr, &args->osa_stateid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 325) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 326)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 327) static void encode_copy_notify(struct xdr_stream *xdr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 328) const struct nfs42_copy_notify_args *args,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 329) struct compound_hdr *hdr)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 330) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 331) encode_op_hdr(xdr, OP_COPY_NOTIFY, decode_copy_notify_maxsz, hdr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 332) encode_nfs4_stateid(xdr, &args->cna_src_stateid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 333) encode_nl4_server(xdr, &args->cna_dst);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 334) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 335)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 336) static void encode_deallocate(struct xdr_stream *xdr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 337) const struct nfs42_falloc_args *args,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 338) struct compound_hdr *hdr)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 339) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 340) encode_op_hdr(xdr, OP_DEALLOCATE, decode_deallocate_maxsz, hdr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 341) encode_fallocate(xdr, args);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 342) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 343)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 344) static void encode_read_plus(struct xdr_stream *xdr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 345) const struct nfs_pgio_args *args,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 346) struct compound_hdr *hdr)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 347) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 348) encode_op_hdr(xdr, OP_READ_PLUS, decode_read_plus_maxsz, hdr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 349) encode_nfs4_stateid(xdr, &args->stateid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 350) encode_uint64(xdr, args->offset);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 351) encode_uint32(xdr, args->count);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 352) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 353)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 354) static void encode_seek(struct xdr_stream *xdr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 355) const struct nfs42_seek_args *args,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 356) struct compound_hdr *hdr)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 357) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 358) encode_op_hdr(xdr, OP_SEEK, decode_seek_maxsz, hdr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 359) encode_nfs4_stateid(xdr, &args->sa_stateid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 360) encode_uint64(xdr, args->sa_offset);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 361) encode_uint32(xdr, args->sa_what);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 362) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 363)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 364) static void encode_layoutstats(struct xdr_stream *xdr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 365) const struct nfs42_layoutstat_args *args,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 366) struct nfs42_layoutstat_devinfo *devinfo,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 367) struct compound_hdr *hdr)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 368) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 369) __be32 *p;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 370)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 371) encode_op_hdr(xdr, OP_LAYOUTSTATS, decode_layoutstats_maxsz, hdr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 372) p = reserve_space(xdr, 8 + 8);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 373) p = xdr_encode_hyper(p, devinfo->offset);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 374) p = xdr_encode_hyper(p, devinfo->length);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 375) encode_nfs4_stateid(xdr, &args->stateid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 376) p = reserve_space(xdr, 4*8 + NFS4_DEVICEID4_SIZE + 4);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 377) p = xdr_encode_hyper(p, devinfo->read_count);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 378) p = xdr_encode_hyper(p, devinfo->read_bytes);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 379) p = xdr_encode_hyper(p, devinfo->write_count);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 380) p = xdr_encode_hyper(p, devinfo->write_bytes);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 381) p = xdr_encode_opaque_fixed(p, devinfo->dev_id.data,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 382) NFS4_DEVICEID4_SIZE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 383) /* Encode layoutupdate4 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 384) *p++ = cpu_to_be32(devinfo->layout_type);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 385) if (devinfo->ld_private.ops)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 386) devinfo->ld_private.ops->encode(xdr, args,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 387) &devinfo->ld_private);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 388) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 389) encode_uint32(xdr, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 390) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 391)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 392) static void encode_clone(struct xdr_stream *xdr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 393) const struct nfs42_clone_args *args,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 394) struct compound_hdr *hdr)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 395) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 396) __be32 *p;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 397)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 398) encode_op_hdr(xdr, OP_CLONE, decode_clone_maxsz, hdr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 399) encode_nfs4_stateid(xdr, &args->src_stateid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 400) encode_nfs4_stateid(xdr, &args->dst_stateid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 401) p = reserve_space(xdr, 3*8);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 402) p = xdr_encode_hyper(p, args->src_offset);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 403) p = xdr_encode_hyper(p, args->dst_offset);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 404) xdr_encode_hyper(p, args->count);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 405) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 406)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 407) static void encode_device_error(struct xdr_stream *xdr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 408) const struct nfs42_device_error *error)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 409) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 410) __be32 *p;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 411)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 412) p = reserve_space(xdr, NFS4_DEVICEID4_SIZE + 2*4);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 413) p = xdr_encode_opaque_fixed(p, error->dev_id.data,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 414) NFS4_DEVICEID4_SIZE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 415) *p++ = cpu_to_be32(error->status);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 416) *p = cpu_to_be32(error->opnum);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 417) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 418)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 419) static void encode_layouterror(struct xdr_stream *xdr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 420) const struct nfs42_layout_error *args,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 421) struct compound_hdr *hdr)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 422) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 423) __be32 *p;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 424)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 425) encode_op_hdr(xdr, OP_LAYOUTERROR, decode_layouterror_maxsz, hdr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 426) p = reserve_space(xdr, 8 + 8);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 427) p = xdr_encode_hyper(p, args->offset);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 428) p = xdr_encode_hyper(p, args->length);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 429) encode_nfs4_stateid(xdr, &args->stateid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 430) p = reserve_space(xdr, 4);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 431) *p = cpu_to_be32(1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 432) encode_device_error(xdr, &args->errors[0]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 433) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 434)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 435) static void encode_setxattr(struct xdr_stream *xdr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 436) const struct nfs42_setxattrargs *arg,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 437) struct compound_hdr *hdr)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 438) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 439) __be32 *p;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 440)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 441) BUILD_BUG_ON(XATTR_CREATE != SETXATTR4_CREATE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 442) BUILD_BUG_ON(XATTR_REPLACE != SETXATTR4_REPLACE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 443)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 444) encode_op_hdr(xdr, OP_SETXATTR, decode_setxattr_maxsz, hdr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 445) p = reserve_space(xdr, 4);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 446) *p = cpu_to_be32(arg->xattr_flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 447) encode_string(xdr, strlen(arg->xattr_name), arg->xattr_name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 448) p = reserve_space(xdr, 4);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 449) *p = cpu_to_be32(arg->xattr_len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 450) if (arg->xattr_len)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 451) xdr_write_pages(xdr, arg->xattr_pages, 0, arg->xattr_len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 452) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 453)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 454) static int decode_setxattr(struct xdr_stream *xdr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 455) struct nfs4_change_info *cinfo)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 456) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 457) int status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 458)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 459) status = decode_op_hdr(xdr, OP_SETXATTR);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 460) if (status)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 461) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 462) status = decode_change_info(xdr, cinfo);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 463) out:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 464) return status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 465) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 466)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 467)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 468) static void encode_getxattr(struct xdr_stream *xdr, const char *name,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 469) struct compound_hdr *hdr)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 470) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 471) encode_op_hdr(xdr, OP_GETXATTR, decode_getxattr_maxsz, hdr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 472) encode_string(xdr, strlen(name), name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 473) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 474)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 475) static int decode_getxattr(struct xdr_stream *xdr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 476) struct nfs42_getxattrres *res,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 477) struct rpc_rqst *req)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 478) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 479) int status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 480) __be32 *p;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 481) u32 len, rdlen;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 482)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 483) status = decode_op_hdr(xdr, OP_GETXATTR);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 484) if (status)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 485) return status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 486)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 487) p = xdr_inline_decode(xdr, 4);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 488) if (unlikely(!p))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 489) return -EIO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 490)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 491) len = be32_to_cpup(p);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 492) if (len > req->rq_rcv_buf.page_len)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 493) return -ERANGE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 494)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 495) res->xattr_len = len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 496)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 497) if (len > 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 498) rdlen = xdr_read_pages(xdr, len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 499) if (rdlen < len)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 500) return -EIO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 501) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 502)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 503) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 504) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 505)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 506) static void encode_removexattr(struct xdr_stream *xdr, const char *name,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 507) struct compound_hdr *hdr)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 508) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 509) encode_op_hdr(xdr, OP_REMOVEXATTR, decode_removexattr_maxsz, hdr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 510) encode_string(xdr, strlen(name), name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 511) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 512)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 513)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 514) static int decode_removexattr(struct xdr_stream *xdr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 515) struct nfs4_change_info *cinfo)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 516) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 517) int status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 518)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 519) status = decode_op_hdr(xdr, OP_REMOVEXATTR);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 520) if (status)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 521) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 522)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 523) status = decode_change_info(xdr, cinfo);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 524) out:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 525) return status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 526) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 527)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 528) static void encode_listxattrs(struct xdr_stream *xdr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 529) const struct nfs42_listxattrsargs *arg,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 530) struct compound_hdr *hdr)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 531) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 532) __be32 *p;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 533)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 534) encode_op_hdr(xdr, OP_LISTXATTRS, decode_listxattrs_maxsz, hdr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 535)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 536) p = reserve_space(xdr, 12);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 537) if (unlikely(!p))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 538) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 539)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 540) p = xdr_encode_hyper(p, arg->cookie);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 541) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 542) * RFC 8276 says to specify the full max length of the LISTXATTRS
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 543) * XDR reply. Count is set to the XDR length of the names array
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 544) * plus the EOF marker. So, add the cookie and the names count.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 545) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 546) *p = cpu_to_be32(arg->count + 8 + 4);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 547) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 548)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 549) static int decode_listxattrs(struct xdr_stream *xdr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 550) struct nfs42_listxattrsres *res)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 551) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 552) int status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 553) __be32 *p;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 554) u32 count, len, ulen;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 555) size_t left, copied;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 556) char *buf;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 557)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 558) status = decode_op_hdr(xdr, OP_LISTXATTRS);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 559) if (status) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 560) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 561) * Special case: for LISTXATTRS, NFS4ERR_TOOSMALL
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 562) * should be translated to ERANGE.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 563) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 564) if (status == -ETOOSMALL)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 565) status = -ERANGE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 566) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 567) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 568)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 569) p = xdr_inline_decode(xdr, 8);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 570) if (unlikely(!p))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 571) return -EIO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 572)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 573) xdr_decode_hyper(p, &res->cookie);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 574)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 575) p = xdr_inline_decode(xdr, 4);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 576) if (unlikely(!p))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 577) return -EIO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 578)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 579) left = res->xattr_len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 580) buf = res->xattr_buf;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 581)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 582) count = be32_to_cpup(p);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 583) copied = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 584)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 585) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 586) * We have asked for enough room to encode the maximum number
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 587) * of possible attribute names, so everything should fit.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 588) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 589) * But, don't rely on that assumption. Just decode entries
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 590) * until they don't fit anymore, just in case the server did
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 591) * something odd.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 592) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 593) while (count--) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 594) p = xdr_inline_decode(xdr, 4);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 595) if (unlikely(!p))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 596) return -EIO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 597)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 598) len = be32_to_cpup(p);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 599) if (len > (XATTR_NAME_MAX - XATTR_USER_PREFIX_LEN)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 600) status = -ERANGE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 601) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 602) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 603)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 604) p = xdr_inline_decode(xdr, len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 605) if (unlikely(!p))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 606) return -EIO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 607)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 608) ulen = len + XATTR_USER_PREFIX_LEN + 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 609) if (buf) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 610) if (ulen > left) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 611) status = -ERANGE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 612) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 613) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 614)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 615) memcpy(buf, XATTR_USER_PREFIX, XATTR_USER_PREFIX_LEN);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 616) memcpy(buf + XATTR_USER_PREFIX_LEN, p, len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 617)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 618) buf[ulen - 1] = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 619) buf += ulen;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 620) left -= ulen;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 621) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 622) copied += ulen;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 623) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 624)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 625) p = xdr_inline_decode(xdr, 4);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 626) if (unlikely(!p))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 627) return -EIO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 628)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 629) res->eof = be32_to_cpup(p);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 630) res->copied = copied;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 631)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 632) out:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 633) if (status == -ERANGE && res->xattr_len == XATTR_LIST_MAX)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 634) status = -E2BIG;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 635)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 636) return status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 637) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 638)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 639) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 640) * Encode ALLOCATE request
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 641) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 642) static void nfs4_xdr_enc_allocate(struct rpc_rqst *req,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 643) struct xdr_stream *xdr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 644) const void *data)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 645) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 646) const struct nfs42_falloc_args *args = data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 647) struct compound_hdr hdr = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 648) .minorversion = nfs4_xdr_minorversion(&args->seq_args),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 649) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 650)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 651) encode_compound_hdr(xdr, req, &hdr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 652) encode_sequence(xdr, &args->seq_args, &hdr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 653) encode_putfh(xdr, args->falloc_fh, &hdr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 654) encode_allocate(xdr, args, &hdr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 655) encode_getfattr(xdr, args->falloc_bitmask, &hdr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 656) encode_nops(&hdr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 657) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 658)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 659) static void encode_copy_commit(struct xdr_stream *xdr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 660) const struct nfs42_copy_args *args,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 661) struct compound_hdr *hdr)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 662) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 663) __be32 *p;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 664)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 665) encode_op_hdr(xdr, OP_COMMIT, decode_commit_maxsz, hdr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 666) p = reserve_space(xdr, 12);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 667) p = xdr_encode_hyper(p, args->dst_pos);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 668) *p = cpu_to_be32(args->count);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 669) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 670)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 671) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 672) * Encode COPY request
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 673) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 674) static void nfs4_xdr_enc_copy(struct rpc_rqst *req,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 675) struct xdr_stream *xdr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 676) const void *data)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 677) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 678) const struct nfs42_copy_args *args = data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 679) struct compound_hdr hdr = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 680) .minorversion = nfs4_xdr_minorversion(&args->seq_args),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 681) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 682)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 683) encode_compound_hdr(xdr, req, &hdr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 684) encode_sequence(xdr, &args->seq_args, &hdr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 685) encode_putfh(xdr, args->src_fh, &hdr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 686) encode_savefh(xdr, &hdr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 687) encode_putfh(xdr, args->dst_fh, &hdr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 688) encode_copy(xdr, args, &hdr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 689) if (args->sync)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 690) encode_copy_commit(xdr, args, &hdr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 691) encode_nops(&hdr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 692) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 693)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 694) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 695) * Encode OFFLOAD_CANEL request
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 696) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 697) static void nfs4_xdr_enc_offload_cancel(struct rpc_rqst *req,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 698) struct xdr_stream *xdr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 699) const void *data)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 700) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 701) const struct nfs42_offload_status_args *args = data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 702) struct compound_hdr hdr = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 703) .minorversion = nfs4_xdr_minorversion(&args->osa_seq_args),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 704) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 705)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 706) encode_compound_hdr(xdr, req, &hdr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 707) encode_sequence(xdr, &args->osa_seq_args, &hdr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 708) encode_putfh(xdr, args->osa_src_fh, &hdr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 709) encode_offload_cancel(xdr, args, &hdr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 710) encode_nops(&hdr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 711) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 712)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 713) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 714) * Encode COPY_NOTIFY request
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 715) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 716) static void nfs4_xdr_enc_copy_notify(struct rpc_rqst *req,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 717) struct xdr_stream *xdr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 718) const void *data)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 719) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 720) const struct nfs42_copy_notify_args *args = data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 721) struct compound_hdr hdr = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 722) .minorversion = nfs4_xdr_minorversion(&args->cna_seq_args),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 723) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 724)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 725) encode_compound_hdr(xdr, req, &hdr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 726) encode_sequence(xdr, &args->cna_seq_args, &hdr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 727) encode_putfh(xdr, args->cna_src_fh, &hdr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 728) encode_copy_notify(xdr, args, &hdr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 729) encode_nops(&hdr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 730) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 731)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 732) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 733) * Encode DEALLOCATE request
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 734) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 735) static void nfs4_xdr_enc_deallocate(struct rpc_rqst *req,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 736) struct xdr_stream *xdr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 737) const void *data)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 738) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 739) const struct nfs42_falloc_args *args = data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 740) struct compound_hdr hdr = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 741) .minorversion = nfs4_xdr_minorversion(&args->seq_args),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 742) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 743)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 744) encode_compound_hdr(xdr, req, &hdr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 745) encode_sequence(xdr, &args->seq_args, &hdr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 746) encode_putfh(xdr, args->falloc_fh, &hdr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 747) encode_deallocate(xdr, args, &hdr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 748) encode_getfattr(xdr, args->falloc_bitmask, &hdr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 749) encode_nops(&hdr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 750) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 751)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 752) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 753) * Encode READ_PLUS request
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 754) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 755) static void nfs4_xdr_enc_read_plus(struct rpc_rqst *req,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 756) struct xdr_stream *xdr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 757) const void *data)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 758) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 759) const struct nfs_pgio_args *args = data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 760) struct compound_hdr hdr = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 761) .minorversion = nfs4_xdr_minorversion(&args->seq_args),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 762) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 763)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 764) encode_compound_hdr(xdr, req, &hdr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 765) encode_sequence(xdr, &args->seq_args, &hdr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 766) encode_putfh(xdr, args->fh, &hdr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 767) encode_read_plus(xdr, args, &hdr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 768)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 769) rpc_prepare_reply_pages(req, args->pages, args->pgbase,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 770) args->count, hdr.replen);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 771) encode_nops(&hdr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 772) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 773)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 774) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 775) * Encode SEEK request
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 776) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 777) static void nfs4_xdr_enc_seek(struct rpc_rqst *req,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 778) struct xdr_stream *xdr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 779) const void *data)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 780) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 781) const struct nfs42_seek_args *args = data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 782) struct compound_hdr hdr = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 783) .minorversion = nfs4_xdr_minorversion(&args->seq_args),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 784) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 785)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 786) encode_compound_hdr(xdr, req, &hdr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 787) encode_sequence(xdr, &args->seq_args, &hdr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 788) encode_putfh(xdr, args->sa_fh, &hdr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 789) encode_seek(xdr, args, &hdr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 790) encode_nops(&hdr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 791) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 792)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 793) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 794) * Encode LAYOUTSTATS request
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 795) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 796) static void nfs4_xdr_enc_layoutstats(struct rpc_rqst *req,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 797) struct xdr_stream *xdr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 798) const void *data)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 799) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 800) const struct nfs42_layoutstat_args *args = data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 801) int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 802)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 803) struct compound_hdr hdr = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 804) .minorversion = nfs4_xdr_minorversion(&args->seq_args),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 805) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 806)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 807) encode_compound_hdr(xdr, req, &hdr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 808) encode_sequence(xdr, &args->seq_args, &hdr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 809) encode_putfh(xdr, args->fh, &hdr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 810) WARN_ON(args->num_dev > PNFS_LAYOUTSTATS_MAXDEV);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 811) for (i = 0; i < args->num_dev; i++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 812) encode_layoutstats(xdr, args, &args->devinfo[i], &hdr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 813) encode_nops(&hdr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 814) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 815)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 816) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 817) * Encode CLONE request
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 818) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 819) static void nfs4_xdr_enc_clone(struct rpc_rqst *req,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 820) struct xdr_stream *xdr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 821) const void *data)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 822) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 823) const struct nfs42_clone_args *args = data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 824) struct compound_hdr hdr = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 825) .minorversion = nfs4_xdr_minorversion(&args->seq_args),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 826) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 827)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 828) encode_compound_hdr(xdr, req, &hdr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 829) encode_sequence(xdr, &args->seq_args, &hdr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 830) encode_putfh(xdr, args->src_fh, &hdr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 831) encode_savefh(xdr, &hdr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 832) encode_putfh(xdr, args->dst_fh, &hdr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 833) encode_clone(xdr, args, &hdr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 834) encode_getfattr(xdr, args->dst_bitmask, &hdr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 835) encode_nops(&hdr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 836) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 837)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 838) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 839) * Encode LAYOUTERROR request
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 840) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 841) static void nfs4_xdr_enc_layouterror(struct rpc_rqst *req,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 842) struct xdr_stream *xdr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 843) const void *data)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 844) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 845) const struct nfs42_layouterror_args *args = data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 846) struct compound_hdr hdr = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 847) .minorversion = nfs4_xdr_minorversion(&args->seq_args),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 848) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 849) int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 850)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 851) encode_compound_hdr(xdr, req, &hdr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 852) encode_sequence(xdr, &args->seq_args, &hdr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 853) encode_putfh(xdr, NFS_FH(args->inode), &hdr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 854) for (i = 0; i < args->num_errors; i++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 855) encode_layouterror(xdr, &args->errors[i], &hdr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 856) encode_nops(&hdr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 857) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 858)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 859) static int decode_allocate(struct xdr_stream *xdr, struct nfs42_falloc_res *res)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 860) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 861) return decode_op_hdr(xdr, OP_ALLOCATE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 862) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 863)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 864) static int decode_write_response(struct xdr_stream *xdr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 865) struct nfs42_write_res *res)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 866) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 867) __be32 *p;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 868) int status, count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 869)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 870) p = xdr_inline_decode(xdr, 4);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 871) if (unlikely(!p))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 872) return -EIO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 873) count = be32_to_cpup(p);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 874) if (count > 1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 875) return -EREMOTEIO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 876) else if (count == 1) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 877) status = decode_opaque_fixed(xdr, &res->stateid,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 878) NFS4_STATEID_SIZE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 879) if (unlikely(status))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 880) return -EIO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 881) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 882) p = xdr_inline_decode(xdr, 8 + 4);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 883) if (unlikely(!p))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 884) return -EIO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 885) p = xdr_decode_hyper(p, &res->count);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 886) res->verifier.committed = be32_to_cpup(p);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 887) return decode_verifier(xdr, &res->verifier.verifier);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 888) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 889)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 890) static int decode_nl4_server(struct xdr_stream *xdr, struct nl4_server *ns)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 891) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 892) struct nfs42_netaddr *naddr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 893) uint32_t dummy;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 894) char *dummy_str;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 895) __be32 *p;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 896) int status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 897)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 898) /* nl_type */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 899) p = xdr_inline_decode(xdr, 4);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 900) if (unlikely(!p))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 901) return -EIO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 902) ns->nl4_type = be32_to_cpup(p);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 903) switch (ns->nl4_type) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 904) case NL4_NAME:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 905) case NL4_URL:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 906) status = decode_opaque_inline(xdr, &dummy, &dummy_str);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 907) if (unlikely(status))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 908) return status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 909) if (unlikely(dummy > NFS4_OPAQUE_LIMIT))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 910) return -EIO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 911) memcpy(&ns->u.nl4_str, dummy_str, dummy);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 912) ns->u.nl4_str_sz = dummy;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 913) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 914) case NL4_NETADDR:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 915) naddr = &ns->u.nl4_addr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 916)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 917) /* netid string */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 918) status = decode_opaque_inline(xdr, &dummy, &dummy_str);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 919) if (unlikely(status))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 920) return status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 921) if (unlikely(dummy > RPCBIND_MAXNETIDLEN))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 922) return -EIO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 923) naddr->netid_len = dummy;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 924) memcpy(naddr->netid, dummy_str, naddr->netid_len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 925)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 926) /* uaddr string */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 927) status = decode_opaque_inline(xdr, &dummy, &dummy_str);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 928) if (unlikely(status))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 929) return status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 930) if (unlikely(dummy > RPCBIND_MAXUADDRLEN))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 931) return -EIO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 932) naddr->addr_len = dummy;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 933) memcpy(naddr->addr, dummy_str, naddr->addr_len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 934) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 935) default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 936) WARN_ON_ONCE(1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 937) return -EIO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 938) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 939) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 940) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 941)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 942) static int decode_copy_requirements(struct xdr_stream *xdr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 943) struct nfs42_copy_res *res) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 944) __be32 *p;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 945)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 946) p = xdr_inline_decode(xdr, 4 + 4);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 947) if (unlikely(!p))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 948) return -EIO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 949)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 950) res->consecutive = be32_to_cpup(p++);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 951) res->synchronous = be32_to_cpup(p++);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 952) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 953) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 954)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 955) static int decode_copy(struct xdr_stream *xdr, struct nfs42_copy_res *res)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 956) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 957) int status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 958)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 959) status = decode_op_hdr(xdr, OP_COPY);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 960) if (status == NFS4ERR_OFFLOAD_NO_REQS) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 961) status = decode_copy_requirements(xdr, res);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 962) if (status)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 963) return status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 964) return NFS4ERR_OFFLOAD_NO_REQS;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 965) } else if (status)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 966) return status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 967)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 968) status = decode_write_response(xdr, &res->write_res);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 969) if (status)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 970) return status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 971)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 972) return decode_copy_requirements(xdr, res);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 973) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 974)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 975) static int decode_offload_cancel(struct xdr_stream *xdr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 976) struct nfs42_offload_status_res *res)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 977) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 978) return decode_op_hdr(xdr, OP_OFFLOAD_CANCEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 979) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 980)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 981) static int decode_copy_notify(struct xdr_stream *xdr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 982) struct nfs42_copy_notify_res *res)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 983) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 984) __be32 *p;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 985) int status, count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 986)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 987) status = decode_op_hdr(xdr, OP_COPY_NOTIFY);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 988) if (status)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 989) return status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 990) /* cnr_lease_time */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 991) p = xdr_inline_decode(xdr, 12);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 992) if (unlikely(!p))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 993) return -EIO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 994) p = xdr_decode_hyper(p, &res->cnr_lease_time.seconds);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 995) res->cnr_lease_time.nseconds = be32_to_cpup(p);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 996)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 997) status = decode_opaque_fixed(xdr, &res->cnr_stateid, NFS4_STATEID_SIZE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 998) if (unlikely(status))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 999) return -EIO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1000)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1001) /* number of source addresses */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1002) p = xdr_inline_decode(xdr, 4);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1003) if (unlikely(!p))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1004) return -EIO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1005)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1006) count = be32_to_cpup(p);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1007) if (count > 1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1008) pr_warn("NFS: %s: nsvr %d > Supported. Use first servers\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1009) __func__, count);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1010)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1011) status = decode_nl4_server(xdr, &res->cnr_src);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1012) if (unlikely(status))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1013) return -EIO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1014) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1015) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1016)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1017) static int decode_deallocate(struct xdr_stream *xdr, struct nfs42_falloc_res *res)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1018) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1019) return decode_op_hdr(xdr, OP_DEALLOCATE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1020) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1021)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1022) static int decode_read_plus_data(struct xdr_stream *xdr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1023) struct nfs_pgio_res *res)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1024) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1025) uint32_t count, recvd;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1026) uint64_t offset;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1027) __be32 *p;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1028)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1029) p = xdr_inline_decode(xdr, 8 + 4);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1030) if (!p)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1031) return 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1032)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1033) p = xdr_decode_hyper(p, &offset);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1034) count = be32_to_cpup(p);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1035) recvd = xdr_align_data(xdr, res->count, count);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1036) res->count += recvd;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1037)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1038) if (count > recvd)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1039) return 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1040) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1041) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1042)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1043) static int decode_read_plus_hole(struct xdr_stream *xdr, struct nfs_pgio_res *res,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1044) uint32_t *eof)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1045) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1046) uint64_t offset, length, recvd;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1047) __be32 *p;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1048)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1049) p = xdr_inline_decode(xdr, 8 + 8);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1050) if (!p)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1051) return 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1052)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1053) p = xdr_decode_hyper(p, &offset);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1054) p = xdr_decode_hyper(p, &length);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1055) recvd = xdr_expand_hole(xdr, res->count, length);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1056) res->count += recvd;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1057)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1058) if (recvd < length)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1059) return 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1060) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1061) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1062)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1063) static int decode_read_plus(struct xdr_stream *xdr, struct nfs_pgio_res *res)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1064) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1065) uint32_t eof, segments, type;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1066) int status, i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1067) __be32 *p;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1068)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1069) status = decode_op_hdr(xdr, OP_READ_PLUS);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1070) if (status)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1071) return status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1072)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1073) p = xdr_inline_decode(xdr, 4 + 4);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1074) if (unlikely(!p))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1075) return -EIO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1076)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1077) eof = be32_to_cpup(p++);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1078) segments = be32_to_cpup(p++);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1079) if (segments == 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1080) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1081)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1082) for (i = 0; i < segments; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1083) p = xdr_inline_decode(xdr, 4);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1084) if (!p)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1085) goto early_out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1086)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1087) type = be32_to_cpup(p++);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1088) if (type == NFS4_CONTENT_DATA)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1089) status = decode_read_plus_data(xdr, res);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1090) else if (type == NFS4_CONTENT_HOLE)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1091) status = decode_read_plus_hole(xdr, res, &eof);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1092) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1093) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1094)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1095) if (status < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1096) return status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1097) if (status > 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1098) goto early_out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1099) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1100)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1101) out:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1102) res->eof = eof;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1103) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1104) early_out:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1105) if (unlikely(!i))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1106) return -EIO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1107) res->eof = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1108) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1109) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1110)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1111) static int decode_seek(struct xdr_stream *xdr, struct nfs42_seek_res *res)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1112) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1113) int status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1114) __be32 *p;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1115)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1116) status = decode_op_hdr(xdr, OP_SEEK);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1117) if (status)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1118) return status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1119)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1120) p = xdr_inline_decode(xdr, 4 + 8);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1121) if (unlikely(!p))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1122) return -EIO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1123)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1124) res->sr_eof = be32_to_cpup(p++);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1125) p = xdr_decode_hyper(p, &res->sr_offset);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1126) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1127) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1128)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1129) static int decode_layoutstats(struct xdr_stream *xdr)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1130) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1131) return decode_op_hdr(xdr, OP_LAYOUTSTATS);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1132) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1133)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1134) static int decode_clone(struct xdr_stream *xdr)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1135) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1136) return decode_op_hdr(xdr, OP_CLONE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1137) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1138)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1139) static int decode_layouterror(struct xdr_stream *xdr)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1140) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1141) return decode_op_hdr(xdr, OP_LAYOUTERROR);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1142) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1143)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1144) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1145) * Decode ALLOCATE request
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1146) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1147) static int nfs4_xdr_dec_allocate(struct rpc_rqst *rqstp,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1148) struct xdr_stream *xdr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1149) void *data)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1150) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1151) struct nfs42_falloc_res *res = data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1152) struct compound_hdr hdr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1153) int status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1154)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1155) status = decode_compound_hdr(xdr, &hdr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1156) if (status)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1157) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1158) status = decode_sequence(xdr, &res->seq_res, rqstp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1159) if (status)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1160) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1161) status = decode_putfh(xdr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1162) if (status)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1163) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1164) status = decode_allocate(xdr, res);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1165) if (status)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1166) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1167) decode_getfattr(xdr, res->falloc_fattr, res->falloc_server);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1168) out:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1169) return status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1170) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1171)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1172) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1173) * Decode COPY response
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1174) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1175) static int nfs4_xdr_dec_copy(struct rpc_rqst *rqstp,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1176) struct xdr_stream *xdr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1177) void *data)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1178) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1179) struct nfs42_copy_res *res = data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1180) struct compound_hdr hdr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1181) int status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1182)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1183) status = decode_compound_hdr(xdr, &hdr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1184) if (status)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1185) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1186) status = decode_sequence(xdr, &res->seq_res, rqstp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1187) if (status)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1188) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1189) status = decode_putfh(xdr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1190) if (status)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1191) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1192) status = decode_savefh(xdr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1193) if (status)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1194) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1195) status = decode_putfh(xdr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1196) if (status)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1197) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1198) status = decode_copy(xdr, res);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1199) if (status)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1200) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1201) if (res->commit_res.verf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1202) status = decode_commit(xdr, &res->commit_res);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1203) out:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1204) return status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1205) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1206)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1207) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1208) * Decode OFFLOAD_CANCEL response
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1209) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1210) static int nfs4_xdr_dec_offload_cancel(struct rpc_rqst *rqstp,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1211) struct xdr_stream *xdr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1212) void *data)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1213) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1214) struct nfs42_offload_status_res *res = data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1215) struct compound_hdr hdr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1216) int status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1217)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1218) status = decode_compound_hdr(xdr, &hdr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1219) if (status)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1220) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1221) status = decode_sequence(xdr, &res->osr_seq_res, rqstp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1222) if (status)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1223) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1224) status = decode_putfh(xdr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1225) if (status)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1226) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1227) status = decode_offload_cancel(xdr, res);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1228)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1229) out:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1230) return status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1231) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1232)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1233) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1234) * Decode COPY_NOTIFY response
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1235) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1236) static int nfs4_xdr_dec_copy_notify(struct rpc_rqst *rqstp,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1237) struct xdr_stream *xdr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1238) void *data)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1239) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1240) struct nfs42_copy_notify_res *res = data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1241) struct compound_hdr hdr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1242) int status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1243)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1244) status = decode_compound_hdr(xdr, &hdr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1245) if (status)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1246) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1247) status = decode_sequence(xdr, &res->cnr_seq_res, rqstp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1248) if (status)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1249) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1250) status = decode_putfh(xdr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1251) if (status)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1252) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1253) status = decode_copy_notify(xdr, res);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1254)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1255) out:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1256) return status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1257) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1258)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1259) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1260) * Decode DEALLOCATE request
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1261) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1262) static int nfs4_xdr_dec_deallocate(struct rpc_rqst *rqstp,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1263) struct xdr_stream *xdr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1264) void *data)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1265) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1266) struct nfs42_falloc_res *res = data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1267) struct compound_hdr hdr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1268) int status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1269)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1270) status = decode_compound_hdr(xdr, &hdr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1271) if (status)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1272) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1273) status = decode_sequence(xdr, &res->seq_res, rqstp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1274) if (status)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1275) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1276) status = decode_putfh(xdr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1277) if (status)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1278) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1279) status = decode_deallocate(xdr, res);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1280) if (status)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1281) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1282) decode_getfattr(xdr, res->falloc_fattr, res->falloc_server);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1283) out:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1284) return status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1285) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1286)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1287) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1288) * Decode READ_PLUS request
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1289) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1290) static int nfs4_xdr_dec_read_plus(struct rpc_rqst *rqstp,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1291) struct xdr_stream *xdr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1292) void *data)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1293) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1294) struct nfs_pgio_res *res = data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1295) struct compound_hdr hdr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1296) int status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1297)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1298) status = decode_compound_hdr(xdr, &hdr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1299) if (status)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1300) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1301) status = decode_sequence(xdr, &res->seq_res, rqstp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1302) if (status)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1303) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1304) status = decode_putfh(xdr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1305) if (status)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1306) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1307) status = decode_read_plus(xdr, res);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1308) if (!status)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1309) status = res->count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1310) out:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1311) return status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1312) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1313)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1314) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1315) * Decode SEEK request
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1316) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1317) static int nfs4_xdr_dec_seek(struct rpc_rqst *rqstp,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1318) struct xdr_stream *xdr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1319) void *data)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1320) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1321) struct nfs42_seek_res *res = data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1322) struct compound_hdr hdr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1323) int status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1324)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1325) status = decode_compound_hdr(xdr, &hdr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1326) if (status)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1327) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1328) status = decode_sequence(xdr, &res->seq_res, rqstp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1329) if (status)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1330) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1331) status = decode_putfh(xdr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1332) if (status)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1333) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1334) status = decode_seek(xdr, res);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1335) out:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1336) return status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1337) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1338)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1339) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1340) * Decode LAYOUTSTATS request
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1341) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1342) static int nfs4_xdr_dec_layoutstats(struct rpc_rqst *rqstp,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1343) struct xdr_stream *xdr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1344) void *data)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1345) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1346) struct nfs42_layoutstat_res *res = data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1347) struct compound_hdr hdr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1348) int status, i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1349)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1350) status = decode_compound_hdr(xdr, &hdr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1351) if (status)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1352) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1353) status = decode_sequence(xdr, &res->seq_res, rqstp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1354) if (status)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1355) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1356) status = decode_putfh(xdr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1357) if (status)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1358) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1359) WARN_ON(res->num_dev > PNFS_LAYOUTSTATS_MAXDEV);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1360) for (i = 0; i < res->num_dev; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1361) status = decode_layoutstats(xdr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1362) if (status)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1363) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1364) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1365) out:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1366) res->rpc_status = status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1367) return status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1368) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1369)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1370) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1371) * Decode CLONE request
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1372) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1373) static int nfs4_xdr_dec_clone(struct rpc_rqst *rqstp,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1374) struct xdr_stream *xdr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1375) void *data)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1376) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1377) struct nfs42_clone_res *res = data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1378) struct compound_hdr hdr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1379) int status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1380)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1381) status = decode_compound_hdr(xdr, &hdr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1382) if (status)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1383) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1384) status = decode_sequence(xdr, &res->seq_res, rqstp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1385) if (status)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1386) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1387) status = decode_putfh(xdr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1388) if (status)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1389) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1390) status = decode_savefh(xdr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1391) if (status)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1392) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1393) status = decode_putfh(xdr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1394) if (status)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1395) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1396) status = decode_clone(xdr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1397) if (status)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1398) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1399) decode_getfattr(xdr, res->dst_fattr, res->server);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1400) out:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1401) res->rpc_status = status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1402) return status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1403) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1404)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1405) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1406) * Decode LAYOUTERROR request
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1407) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1408) static int nfs4_xdr_dec_layouterror(struct rpc_rqst *rqstp,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1409) struct xdr_stream *xdr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1410) void *data)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1411) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1412) struct nfs42_layouterror_res *res = data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1413) struct compound_hdr hdr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1414) int status, i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1415)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1416) status = decode_compound_hdr(xdr, &hdr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1417) if (status)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1418) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1419) status = decode_sequence(xdr, &res->seq_res, rqstp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1420) if (status)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1421) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1422) status = decode_putfh(xdr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1423)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1424) for (i = 0; i < res->num_errors && status == 0; i++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1425) status = decode_layouterror(xdr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1426) out:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1427) res->rpc_status = status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1428) return status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1429) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1430)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1431) #ifdef CONFIG_NFS_V4_2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1432) static void nfs4_xdr_enc_setxattr(struct rpc_rqst *req, struct xdr_stream *xdr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1433) const void *data)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1434) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1435) const struct nfs42_setxattrargs *args = data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1436) struct compound_hdr hdr = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1437) .minorversion = nfs4_xdr_minorversion(&args->seq_args),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1438) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1439)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1440) encode_compound_hdr(xdr, req, &hdr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1441) encode_sequence(xdr, &args->seq_args, &hdr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1442) encode_putfh(xdr, args->fh, &hdr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1443) encode_setxattr(xdr, args, &hdr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1444) encode_nops(&hdr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1445) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1446)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1447) static int nfs4_xdr_dec_setxattr(struct rpc_rqst *req, struct xdr_stream *xdr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1448) void *data)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1449) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1450) struct nfs42_setxattrres *res = data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1451) struct compound_hdr hdr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1452) int status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1453)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1454) status = decode_compound_hdr(xdr, &hdr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1455) if (status)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1456) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1457) status = decode_sequence(xdr, &res->seq_res, req);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1458) if (status)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1459) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1460) status = decode_putfh(xdr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1461) if (status)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1462) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1463)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1464) status = decode_setxattr(xdr, &res->cinfo);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1465) out:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1466) return status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1467) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1468)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1469) static void nfs4_xdr_enc_getxattr(struct rpc_rqst *req, struct xdr_stream *xdr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1470) const void *data)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1471) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1472) const struct nfs42_getxattrargs *args = data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1473) struct compound_hdr hdr = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1474) .minorversion = nfs4_xdr_minorversion(&args->seq_args),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1475) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1476) size_t plen;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1477)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1478) encode_compound_hdr(xdr, req, &hdr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1479) encode_sequence(xdr, &args->seq_args, &hdr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1480) encode_putfh(xdr, args->fh, &hdr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1481) encode_getxattr(xdr, args->xattr_name, &hdr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1482)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1483) plen = args->xattr_len ? args->xattr_len : XATTR_SIZE_MAX;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1484)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1485) rpc_prepare_reply_pages(req, args->xattr_pages, 0, plen,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1486) hdr.replen);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1487) req->rq_rcv_buf.flags |= XDRBUF_SPARSE_PAGES;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1488)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1489) encode_nops(&hdr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1490) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1491)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1492) static int nfs4_xdr_dec_getxattr(struct rpc_rqst *rqstp,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1493) struct xdr_stream *xdr, void *data)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1494) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1495) struct nfs42_getxattrres *res = data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1496) struct compound_hdr hdr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1497) int status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1498)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1499) status = decode_compound_hdr(xdr, &hdr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1500) if (status)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1501) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1502) status = decode_sequence(xdr, &res->seq_res, rqstp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1503) if (status)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1504) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1505) status = decode_putfh(xdr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1506) if (status)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1507) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1508) status = decode_getxattr(xdr, res, rqstp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1509) out:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1510) return status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1511) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1512)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1513) static void nfs4_xdr_enc_listxattrs(struct rpc_rqst *req,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1514) struct xdr_stream *xdr, const void *data)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1515) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1516) const struct nfs42_listxattrsargs *args = data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1517) struct compound_hdr hdr = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1518) .minorversion = nfs4_xdr_minorversion(&args->seq_args),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1519) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1520)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1521) encode_compound_hdr(xdr, req, &hdr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1522) encode_sequence(xdr, &args->seq_args, &hdr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1523) encode_putfh(xdr, args->fh, &hdr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1524) encode_listxattrs(xdr, args, &hdr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1525)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1526) rpc_prepare_reply_pages(req, args->xattr_pages, 0, args->count,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1527) hdr.replen);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1528)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1529) encode_nops(&hdr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1530) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1531)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1532) static int nfs4_xdr_dec_listxattrs(struct rpc_rqst *rqstp,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1533) struct xdr_stream *xdr, void *data)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1534) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1535) struct nfs42_listxattrsres *res = data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1536) struct compound_hdr hdr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1537) int status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1538)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1539) xdr_set_scratch_buffer(xdr, page_address(res->scratch), PAGE_SIZE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1540)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1541) status = decode_compound_hdr(xdr, &hdr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1542) if (status)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1543) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1544) status = decode_sequence(xdr, &res->seq_res, rqstp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1545) if (status)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1546) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1547) status = decode_putfh(xdr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1548) if (status)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1549) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1550) status = decode_listxattrs(xdr, res);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1551) out:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1552) return status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1553) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1554)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1555) static void nfs4_xdr_enc_removexattr(struct rpc_rqst *req,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1556) struct xdr_stream *xdr, const void *data)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1557) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1558) const struct nfs42_removexattrargs *args = data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1559) struct compound_hdr hdr = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1560) .minorversion = nfs4_xdr_minorversion(&args->seq_args),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1561) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1562)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1563) encode_compound_hdr(xdr, req, &hdr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1564) encode_sequence(xdr, &args->seq_args, &hdr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1565) encode_putfh(xdr, args->fh, &hdr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1566) encode_removexattr(xdr, args->xattr_name, &hdr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1567) encode_nops(&hdr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1568) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1569)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1570) static int nfs4_xdr_dec_removexattr(struct rpc_rqst *req,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1571) struct xdr_stream *xdr, void *data)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1572) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1573) struct nfs42_removexattrres *res = data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1574) struct compound_hdr hdr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1575) int status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1576)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1577) status = decode_compound_hdr(xdr, &hdr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1578) if (status)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1579) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1580) status = decode_sequence(xdr, &res->seq_res, req);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1581) if (status)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1582) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1583) status = decode_putfh(xdr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1584) if (status)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1585) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1586)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1587) status = decode_removexattr(xdr, &res->cinfo);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1588) out:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1589) return status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1590) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1591) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1592) #endif /* __LINUX_FS_NFS_NFS4_2XDR_H */
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
3 Commits
0 Branches
0 Tags