Commit 9d54a48e authored Jun 21, 2018 by Chao Yu Committed by Greg Kroah-Hartman Sep 19, 2018

f2fs: fix to wait on page writeback before updating page



[ Upstream commit 6aead1617b3adf2b7e2c56f0f13e4e0ee42ebb4a ]

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>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

parent 9e850bc7

fs/f2fs/inline.c

+1 −0

Original line number	Diff line number	Diff line
		@@ -502,6 +502,7 @@ 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));