From: Chao Yu chao@kernel.org
[ Upstream commit 0e8d040bfa4c476d7d2a23119527c744c7de13cd ]
Otherwise, last .atomic_write_task will be remained in structure f2fs_inode_info, resulting in aborting atomic_write accidentally in race case. Meanwhile, clear original_i_size as well.
Fixes: 7a10f0177e11 ("f2fs: don't give partially written atomic data from process crash") Signed-off-by: Chao Yu chao@kernel.org Signed-off-by: Jaegeuk Kim jaegeuk@kernel.org Signed-off-by: Sasha Levin sashal@kernel.org --- fs/f2fs/segment.c | 3 +++ 1 file changed, 3 insertions(+)
diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c index af3059236f542..cf430f34d1968 100644 --- a/fs/f2fs/segment.c +++ b/fs/f2fs/segment.c @@ -201,9 +201,12 @@ void f2fs_abort_atomic_write(struct inode *inode, bool clean) clear_inode_flag(inode, FI_ATOMIC_FILE); stat_dec_atomic_inode(inode);
+ F2FS_I(inode)->atomic_write_task = NULL; + if (clean) { truncate_inode_pages_final(inode->i_mapping); f2fs_i_size_write(inode, fi->original_i_size); + fi->original_i_size = 0; } }