The patchset can be fetched from github:
https://github.com/adam900710/linux/tree/checker_enhance
It's based on David's misc-next branch, with following commit as base:
a5e50b4b444c ("btrfs: Add checker for EXTENT_CSUM")
According to David's suggestion, enhance the output format of tree block
validation checker.
And move them into separate files: tree-checker.[ch].
Also added a output format rule to try to make all output message
follow the same format.
Some example output using btrfs-progs fsck-test images looks like:
For unagliend file extent member:
---
BTRFS critical (device loop0): corrupt leaf: root=1 block=29360128 slot=7
ino=257 file_offset=0, invalid disk_bytenr for file extent, have 755944791,
should be aligned to 4096
---
For bad leaf holes:
---
BTRFS critical (device loop0): corrupt leaf: root=1 block=29360128 slot=28,
discontinious item end, have 9387 expect 15018
---
Changelog:
v2:
Unify the error string format, so it should be easier to grep them
from dmesg. Thanks Nikolay for pointing this out.
Remove unused CORRUPT() macro.
v3:
Replace EIO with EUCLEAN in 2nd patch. Thanks Nikolay for pointing
this out.
Correct "btrfs-progs:" to "btrfs:" for 1st patch.
v4:
Code style change suggested by David.
Use more easy-to-understand error message for NULL node pointer,
suggested by Nikolay.
Helper macro enhancement, including naming change and argument
protection suggested by David.
Separate tree-checker.h suggested by David.
Qu Wenruo (5):
btrfs: Move leaf and node validation checker to tree-checker.ch
btrfs: tree-checker: Enhance btrfs_check_node output
btrfs: tree-checker: Enhance output for btrfs_check_leaf
btrfs: tree-checker: Enhance output for check_csum_item
btrfs: tree-checker: Enhance output for check_extent_data_item
fs/btrfs/Makefile | 2 +-
fs/btrfs/disk-io.c | 285 +-------------------------------
fs/btrfs/tree-checker.c | 429 ++++++++++++++++++++++++++++++++++++++++++++++++
fs/btrfs/tree-checker.h | 23 +++
4 files changed, 457 insertions(+), 282 deletions(-)
create mode 100644 fs/btrfs/tree-checker.c
create mode 100644 fs/btrfs/tree-checker.h
--
2.14.2
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