Btrfs: Add support for multiple devices per filesystem
Signed-off-by: Chris Mason <chris.mason@oracle.com>
diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c
index e8130c8..7e3a1eb 100644
--- a/fs/btrfs/extent_io.c
+++ b/fs/btrfs/extent_io.c
@@ -1706,9 +1706,9 @@
WARN_ON(1);
}
if (tree->ops && tree->ops->submit_bio_hook)
- tree->ops->submit_bio_hook(rw, bio);
-
- submit_bio(rw, bio);
+ tree->ops->submit_bio_hook(page->mapping->host, rw, bio);
+ else
+ submit_bio(rw, bio);
if (bio_flagged(bio, BIO_EOPNOTSUPP))
ret = -EOPNOTSUPP;
bio_put(bio);