f2fs: recover fallocated space

If a fallocated file is fsynced, we should recover the i_size after sudden
power cut.

Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>

1 files changed, 1 insertions, 0 deletions

diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c
index d97e5c458f36..78110dab5681 100644
--- a/fs/f2fs/file.c
+++ b/fs/f2fs/file.c
@@ -682,6 +682,7 @@ static int expand_inode_data(struct inode *inode, loff_t offset,
                 i_size_read(inode) < new_size) {
                 i_size_write(inode, new_size);
                 mark_inode_dirty(inode);
+                f2fs_write_inode(inode, NULL);
         }
 
         return ret;