From b094fedb26c95fa217dc97e06341f5bbbf958520 Mon Sep 17 00:00:00 2001 From: Chao Yu Date: Wed, 7 Aug 2024 18:24:35 +0800 Subject: [PATCH] f2fs: atomic: fix to truncate pagecache before on-disk metadata truncation [ 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 Signed-off-by: Jaegeuk Kim Signed-off-by: Sasha Levin --- fs/f2fs/file.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c index c9f0bb8f8b21..8a1a38a51089 100644 --- a/fs/f2fs/file.c +++ b/fs/f2fs/file.c @@ -2171,6 +2171,10 @@ static int f2fs_ioc_start_atomic_write(struct file *filp) clear_inode_flag(fi->cow_inode, FI_INLINE_DATA); } else { /* 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); if (ret) { f2fs_up_write(&fi->i_gc_rwsem[WRITE]);