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| author | Jun Nie <jun.nie@linaro.org> | 2023-01-03 02:45:16 +0100 |
|---|---|---|
| committer | Theodore Ts'o <tytso@mit.edu> | 2023-02-19 05:57:37 +0100 |
| commit | 1e9d62d252812575ded7c620d8fc67c32ff06c16 (patch) | |
| tree | ec79877b2a6fe37a086eaae820d1b8cc2612fd25 /Documentation/kbuild | |
| parent | ext4: remove dead code in updating backup sb (diff) | |
| download | linux-1e9d62d252812575ded7c620d8fc67c32ff06c16.tar.xz linux-1e9d62d252812575ded7c620d8fc67c32ff06c16.zip | |
ext4: optimize ea_inode block expansion
Copy ea data from inode entry when expanding ea block if possible.
Then remove the ea entry if expansion success. Thus memcpy to a
temporary buffer may be avoided.
If the expansion fails, we do not need to recovery the removed ea
entry neither in this way.
Reported-by: syzbot+2dacb8f015bf1420155f@syzkaller.appspotmail.com
Link: https://syzkaller.appspot.com/bug?id=3613786cb88c93aa1c6a279b1df6a7b201347d08
Link: https://lore.kernel.org/r/20230103014517.495275-2-jun.nie@linaro.org
Cc: stable@kernel.org
Signed-off-by: Jun Nie <jun.nie@linaro.org>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Diffstat (limited to 'Documentation/kbuild')
0 files changed, 0 insertions, 0 deletions