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f2fs: remove non-uptodate folio from the page cache in move_data_block

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During data movement, move_data_block acquires file folio without
triggering a file read. Such folio are typically not uptodate, they need
to be removed from the page cache after gc complete. This patch marks
folio with the PG_dropbehind flag and uses folio_end_dropbehind to
remove folio from the page cache.

Signed-off-by: Yunlei He <heyunlei@xiaomi.com>
Signed-off-by: Yongpeng Yang <yangyongpeng@xiaomi.com>
Reviewed-by: Chao Yu <chao@kernel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
This commit is contained in:
Yongpeng Yang 2025-12-27 15:34:31 +08:00 committed by Jaegeuk Kim
parent db1a8a7813
commit 9609dd7047
1 changed files with 5 additions and 1 deletions
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6
fs/f2fs/gc.c
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@ -1453,7 +1453,11 @@ static int move_data_block(struct inode *inode, block_t bidx,
put_out:
f2fs_put_dnode(&dn);
out:
f2fs_folio_put(folio, true);
if (!folio_test_uptodate(folio))
__folio_set_dropbehind(folio);
folio_unlock(folio);
folio_end_dropbehind(folio);
folio_put(folio);
return err;
}