f2fs: fix to wait on page writeback before updating page

In error path of f2fs_move_rehashed_dirents, inode page could be writeback
state, so we should wait on inode page writeback before updating it.

Signed-off-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>

diff --git a/fs/f2fs/inline.c b/fs/f2fs/inline.c
index 043830be5662f865b3c5824da2be23a7641dc6d5..9a245d2d5b7c60a1697f212286ff46c23a5dfb76 100644 (file)
--- a/fs/f2fs/inline.c
+++ b/fs/f2fs/inline.c
@@ -477,6 +477,7 @@ static int f2fs_move_rehashed_dirents(struct inode *dir, struct page *ipage,
        return 0;
 recover:
        lock_page(ipage);
+       f2fs_wait_on_page_writeback(ipage, NODE, true);
        memcpy(inline_dentry, backup_dentry, MAX_INLINE_DATA(dir));
        f2fs_i_depth_write(dir, 0);
        f2fs_i_size_write(dir, MAX_INLINE_DATA(dir));