writeback: add missing requeue_io in writeback_inodes_wb
In "writeback: fix writeback_inodes_wb from writeback_inodes_sb" I
accidentally removed the requeue_io if we need to skip a superblock
because we can't pin it. Add it back, otherwise we're getting spurious
lockups after multiple xfstests runs.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <jaxboe@fusionio.com>
diff --git a/fs/fs-writeback.c b/fs/fs-writeback.c
index 0079bf5..3a066e9 100644
--- a/fs/fs-writeback.c
+++ b/fs/fs-writeback.c
@@ -643,8 +643,10 @@
ret = writeback_sb_inodes(sb, wb, wbc);
} else {
- if (!pin_sb_for_writeback(sb))
+ if (!pin_sb_for_writeback(sb)) {
+ requeue_io(inode);
continue;
+ }
ret = writeback_sb_inodes(sb, wb, wbc);
drop_super(sb);
}