Commit 17c19120 authored by Jaegeuk Kim's avatar Jaegeuk Kim
Browse files

f2fs: flush bios to handle cp_error in put_super 



Sometimes, if cp_error is set, there remains under-writeback pages, resulting in
kernel hang in put_super.

Signed-off-by: default avatarJaegeuk Kim <jaegeuk@kernel.org>
parent fa3d2bdf

fs/f2fs/super.c

+7 −0
Original line number Diff line number Diff line
@@ -582,6 +582,13 @@ static void f2fs_put_super(struct super_block *sb) 
	f2fs_leave_shrinker(sbi);

	mutex_unlock(&sbi->umount_mutex);



	/* our cp_error case, we can wait for any writeback page */

	if (get_pages(sbi, F2FS_WRITEBACK)) {

		f2fs_submit_merged_bio(sbi, DATA, WRITE);

		f2fs_submit_merged_bio(sbi, NODE, WRITE);

		f2fs_submit_merged_bio(sbi, META, WRITE);

	}



	iput(sbi->node_inode);

	iput(sbi->meta_inode);