^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) #ifndef __FAST_COMMIT_H__
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) #define __FAST_COMMIT_H__
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) /* Fast commit tags */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) #define EXT4_FC_TAG_ADD_RANGE 0x0001
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) #define EXT4_FC_TAG_DEL_RANGE 0x0002
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) #define EXT4_FC_TAG_CREAT 0x0003
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) #define EXT4_FC_TAG_LINK 0x0004
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) #define EXT4_FC_TAG_UNLINK 0x0005
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) #define EXT4_FC_TAG_INODE 0x0006
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) #define EXT4_FC_TAG_PAD 0x0007
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) #define EXT4_FC_TAG_TAIL 0x0008
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) #define EXT4_FC_TAG_HEAD 0x0009
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) #define EXT4_FC_SUPPORTED_FEATURES 0x0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) /* On disk fast commit tlv value structures */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) /* Fast commit on disk tag length structure */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) struct ext4_fc_tl {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) __le16 fc_tag;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) __le16 fc_len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) /* Value structure for tag EXT4_FC_TAG_HEAD. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) struct ext4_fc_head {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) __le32 fc_features;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) __le32 fc_tid;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) /* Value structure for EXT4_FC_TAG_ADD_RANGE. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) struct ext4_fc_add_range {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) __le32 fc_ino;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) __u8 fc_ex[12];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) /* Value structure for tag EXT4_FC_TAG_DEL_RANGE. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) struct ext4_fc_del_range {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) __le32 fc_ino;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) __le32 fc_lblk;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) __le32 fc_len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) * This is the value structure for tags EXT4_FC_TAG_CREAT, EXT4_FC_TAG_LINK
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) * and EXT4_FC_TAG_UNLINK.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) struct ext4_fc_dentry_info {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) __le32 fc_parent_ino;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) __le32 fc_ino;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) u8 fc_dname[0];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) /* Value structure for EXT4_FC_TAG_INODE and EXT4_FC_TAG_INODE_PARTIAL. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) struct ext4_fc_inode {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) __le32 fc_ino;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) __u8 fc_raw_inode[0];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) /* Value structure for tag EXT4_FC_TAG_TAIL. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) struct ext4_fc_tail {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) __le32 fc_tid;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) __le32 fc_crc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) * In memory list of dentry updates that are performed on the file
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) * system used by fast commit code.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) struct ext4_fc_dentry_update {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) int fcd_op; /* Type of update create / unlink / link */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) int fcd_parent; /* Parent inode number */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) int fcd_ino; /* Inode number */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) struct qstr fcd_name; /* Dirent name */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) unsigned char fcd_iname[DNAME_INLINE_LEN]; /* Dirent name string */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) struct list_head fcd_list;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) * Fast commit reason codes
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) enum {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) * Commit status codes:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) EXT4_FC_REASON_OK = 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) EXT4_FC_REASON_INELIGIBLE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) EXT4_FC_REASON_ALREADY_COMMITTED,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) EXT4_FC_REASON_FC_START_FAILED,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) EXT4_FC_REASON_FC_FAILED,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) * Fast commit ineligiblity reasons:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) EXT4_FC_REASON_XATTR = 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98) EXT4_FC_REASON_CROSS_RENAME,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) EXT4_FC_REASON_JOURNAL_FLAG_CHANGE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) EXT4_FC_REASON_NOMEM,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) EXT4_FC_REASON_SWAP_BOOT,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) EXT4_FC_REASON_RESIZE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) EXT4_FC_REASON_RENAME_DIR,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) EXT4_FC_REASON_FALLOC_RANGE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) EXT4_FC_REASON_INODE_JOURNAL_DATA,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) EXT4_FC_COMMIT_FAILED,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) EXT4_FC_REASON_MAX
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) struct ext4_fc_stats {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) unsigned int fc_ineligible_reason_count[EXT4_FC_REASON_MAX];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) unsigned long fc_num_commits;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) unsigned long fc_ineligible_commits;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) unsigned long fc_numblks;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) #define EXT4_FC_REPLAY_REALLOC_INCREMENT 4
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) * Physical block regions added to different inodes due to fast commit
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) * recovery. These are set during the SCAN phase. During the replay phase,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) * our allocator excludes these from its allocation. This ensures that
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) * we don't accidentally allocating a block that is going to be used by
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) * another inode.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) struct ext4_fc_alloc_region {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) ext4_lblk_t lblk;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) ext4_fsblk_t pblk;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) int ino, len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) * Fast commit replay state.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) struct ext4_fc_replay_state {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) int fc_replay_num_tags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) int fc_replay_expected_off;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) int fc_current_pass;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) int fc_cur_tag;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) int fc_crc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) struct ext4_fc_alloc_region *fc_regions;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) int fc_regions_size, fc_regions_used, fc_regions_valid;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) int *fc_modified_inodes;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) int fc_modified_inodes_used, fc_modified_inodes_size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) #define region_last(__region) (((__region)->lblk) + ((__region)->len) - 1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) #endif /* __FAST_COMMIT_H__ */
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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