^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) /* SPDX-License-Identifier: GPL-2.0-only */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) * Copyright (C) Sistina Software, Inc. 1997-2003 All rights reserved.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) * Copyright (C) 2004-2006 Red Hat, Inc. All rights reserved.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) #ifndef __INODE_DOT_H__
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) #define __INODE_DOT_H__
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) #include <linux/fs.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) #include <linux/buffer_head.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) #include <linux/mm.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) #include "util.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) extern int gfs2_releasepage(struct page *page, gfp_t gfp_mask);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) extern int gfs2_internal_read(struct gfs2_inode *ip,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) char *buf, loff_t *pos, unsigned size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) extern void gfs2_set_aops(struct inode *inode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) static inline int gfs2_is_stuffed(const struct gfs2_inode *ip)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) return !ip->i_height;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) static inline int gfs2_is_jdata(const struct gfs2_inode *ip)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) return ip->i_diskflags & GFS2_DIF_JDATA;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) static inline bool gfs2_is_ordered(const struct gfs2_sbd *sdp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) return sdp->sd_args.ar_data == GFS2_DATA_ORDERED;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) static inline bool gfs2_is_writeback(const struct gfs2_sbd *sdp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) return sdp->sd_args.ar_data == GFS2_DATA_WRITEBACK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) static inline int gfs2_is_dir(const struct gfs2_inode *ip)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) return S_ISDIR(ip->i_inode.i_mode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) static inline void gfs2_set_inode_blocks(struct inode *inode, u64 blocks)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) inode->i_blocks = blocks <<
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) (GFS2_SB(inode)->sd_sb.sb_bsize_shift - GFS2_BASIC_BLOCK_SHIFT);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) static inline u64 gfs2_get_inode_blocks(const struct inode *inode)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) return inode->i_blocks >>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) (GFS2_SB(inode)->sd_sb.sb_bsize_shift - GFS2_BASIC_BLOCK_SHIFT);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) static inline void gfs2_add_inode_blocks(struct inode *inode, s64 change)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) change <<= inode->i_blkbits - GFS2_BASIC_BLOCK_SHIFT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) gfs2_assert(GFS2_SB(inode), (change >= 0 || inode->i_blocks >= -change));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) inode->i_blocks += change;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) static inline int gfs2_check_inum(const struct gfs2_inode *ip, u64 no_addr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) u64 no_formal_ino)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) return ip->i_no_addr == no_addr && ip->i_no_formal_ino == no_formal_ino;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) static inline void gfs2_inum_out(const struct gfs2_inode *ip,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) struct gfs2_dirent *dent)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) dent->de_inum.no_formal_ino = cpu_to_be64(ip->i_no_formal_ino);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) dent->de_inum.no_addr = cpu_to_be64(ip->i_no_addr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) static inline int gfs2_check_internal_file_size(struct inode *inode,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) u64 minsize, u64 maxsize)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) u64 size = i_size_read(inode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) if (size < minsize || size > maxsize)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) goto err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) if (size & (BIT(inode->i_blkbits) - 1))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) goto err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) err:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) gfs2_consist_inode(GFS2_I(inode));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) return -EIO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) extern struct inode *gfs2_inode_lookup(struct super_block *sb, unsigned type,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) u64 no_addr, u64 no_formal_ino,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) unsigned int blktype);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) extern struct inode *gfs2_lookup_by_inum(struct gfs2_sbd *sdp, u64 no_addr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) u64 no_formal_ino,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) unsigned int blktype);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98) extern int gfs2_inode_refresh(struct gfs2_inode *ip);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) extern struct inode *gfs2_lookupi(struct inode *dir, const struct qstr *name,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) int is_root);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) extern int gfs2_permission(struct inode *inode, int mask);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) extern int gfs2_setattr_simple(struct inode *inode, struct iattr *attr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) extern struct inode *gfs2_lookup_simple(struct inode *dip, const char *name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) extern void gfs2_dinode_out(const struct gfs2_inode *ip, void *buf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) extern int gfs2_open_common(struct inode *inode, struct file *file);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) extern loff_t gfs2_seek_data(struct file *file, loff_t offset);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) extern loff_t gfs2_seek_hole(struct file *file, loff_t offset);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) extern const struct inode_operations gfs2_file_iops;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) extern const struct inode_operations gfs2_dir_iops;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) extern const struct inode_operations gfs2_symlink_iops;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) extern const struct file_operations gfs2_file_fops_nolock;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) extern const struct file_operations gfs2_dir_fops_nolock;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) extern void gfs2_set_inode_flags(struct inode *inode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) #ifdef CONFIG_GFS2_FS_LOCKING_DLM
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) extern const struct file_operations gfs2_file_fops;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) extern const struct file_operations gfs2_dir_fops;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) static inline int gfs2_localflocks(const struct gfs2_sbd *sdp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) return sdp->sd_args.ar_localflocks;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) #else /* Single node only */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) #define gfs2_file_fops gfs2_file_fops_nolock
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) #define gfs2_dir_fops gfs2_dir_fops_nolock
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) static inline int gfs2_localflocks(const struct gfs2_sbd *sdp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) return 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) #endif /* CONFIG_GFS2_FS_LOCKING_DLM */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) #endif /* __INODE_DOT_H__ */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137)
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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