f2fs: fix to mitigate overhead of f2fs_zero_post_eof_page()

Browse source

[ Upstream commit c2f7c32b25 ]

f2fs_zero_post_eof_page() may cuase more overhead due to invalidate_lock
and page lookup, change as below to mitigate its overhead:
- check new_size before grabbing invalidate_lock
- lookup and invalidate pages only in range of [old_size, new_size]

Fixes: ba8dac350f ("f2fs: fix to zero post-eof page")
Signed-off-by: Chao Yu <chao@kernel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>

...

This commit is contained in:

Chao Yu 2025-09-16 10:47:09 +08:00 • committed by Greg Kroah-Hartman

parent eec1589be3

commit 9239611af7

1 changed files with 19 additions and 20 deletions

Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL

Download patch file Download diff file Expand all files Collapse all files

39

fs/f2fs/file.c

View file