It can be feched from my github:
https://github.com/Damenly/btrfs-progs.git lowmem_repair
This patchset can repair errors found in fs tree in lowmem mode.
This patchset request includes:
1) Repair inode nbytes error.
2) Repair dir isize error.
3) Repair orpahan inode item.
4) Repair dir item/index missing/mismatch.
5) Repair inode ref missing/mismatch.
6) Repair inode item missing.
7) Repair inode nlink error.
8) Punch file extent hole.
9) Let test-fsck test cases which can be repaired in lowmem mode.
All cases have been tested except fsck-test/006 since it can't be
repaired in original mode.
Qu Wenruo (1):
btrfs-progs: fsck-check: Allow fsck check test to repair in lowmem
mode for certain test cases
Su Yue (19):
btrfs-progs: cmds-check.c: supports inode nbytes fix in lowmem
btrfs-progs: cmds-check.c: supports dir isize fix in lowmem
btrfs-progs: cmds-check.c: inode orphan item repair
btrfs-progs: cmds-check.c: change find_inode_ref's arg
btrfs-progs: cmds-check.c: modify check_fs_first_inode
btrfs-progs: cmds-check.c: change find_dir_index/item
btrfs-progs: cmds-check.c: introduce print_inode_ref
btrfs-progs: cmds-check.c: print_dir_item_err
btrfs-progs: cmds-check.c: introduce count_dir_isize
btrfs-progs: dir-item.c: modify btrfs_insert_dir_item
btrfs-progs: inode.c: alter btrfs_add_link
btrfs-progs: cmds-check.c: introduce __create_inode_item
btrfs-progs: cmds-check.c: repair_inode_item_missing
btrfs-progs: cmds-check.c: repair_fs_first_inode
btrfs-progs: cmds-check.c: introduce repair_ternary_lowmem
btrfs-progs: cmds-check.c: Introduce repair_dir_item
btrfs-progs: cmds-check.c: repair inode ref
btrfs-progs: cmds-check.c: repair nlinks lowmem
btrfs-progs: cmds-check.c: add punch_extent_hole
cmds-check.c | 1677 +++++++++++++++-----
convert/main.c | 2 +-
ctree.h | 2 +-
dir-item.c | 13 +-
inode.c | 46 +-
tests/common.local | 14 +-
.../fsck-tests/004-no-dir-index/.lowmem_repairable | 0
.../009-no-dir-item-or-index/.lowmem_repairable | 0
.../010-no-rootdir-inode-item/.lowmem_repairable | 0
.../011-no-inode-item/.lowmem_repairable | 0
.../016-wrong-inode-nbytes/.lowmem_repairable | 0
.../017-missing-all-file-extent/.lowmem_repairable | 0
12 files changed, 1363 insertions(+), 391 deletions(-)
create mode 100644 tests/fsck-tests/004-no-dir-index/.lowmem_repairable
create mode 100644 tests/fsck-tests/009-no-dir-item-or-index/.lowmem_repairable
create mode 100644
tests/fsck-tests/010-no-rootdir-inode-item/.lowmem_repairable
create mode 100644 tests/fsck-tests/011-no-inode-item/.lowmem_repairable
create mode 100644 tests/fsck-tests/016-wrong-inode-nbytes/.lowmem_repairable
create mode 100644
tests/fsck-tests/017-missing-all-file-extent/.lowmem_repairable
--
2.11.1
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