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f2fs: atomic: fix to truncate pagecache before on-disk metadata truncation

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[ Upstream commit ebd3309aec6271c4616573b0cb83ea25e623070a ]

We should always truncate pagecache while truncating on-disk data.

Fixes: a46bebd502fe ("f2fs: synchronize atomic write aborts")
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 2024-08-07 18:24:35 +08:00 committed by Greg Kroah-Hartman
parent 25c5d480d2
commit b094fedb26
1 changed files with 4 additions and 0 deletions
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4
fs/f2fs/file.c
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@ -2171,6 +2171,10 @@ static int f2fs_ioc_start_atomic_write(struct file *filp)
clear_inode_flag(fi->cow_inode, FI_INLINE_DATA); clear_inode_flag(fi->cow_inode, FI_INLINE_DATA);
} else { } else {
/* Reuse the already created COW inode */ /* Reuse the already created COW inode */
f2fs_bug_on(sbi, get_dirty_pages(fi->cow_inode));
invalidate_mapping_pages(fi->cow_inode->i_mapping, 0, -1);
ret = f2fs_do_truncate_blocks(fi->cow_inode, 0, true); ret = f2fs_do_truncate_blocks(fi->cow_inode, 0, true);
if (ret) { if (ret) {
f2fs_up_write(&fi->i_gc_rwsem[WRITE]); f2fs_up_write(&fi->i_gc_rwsem[WRITE]);