xfs: add a name field to struct xfs_btree_ops

The btnum in struct xfs_btree_ops is often used for printing a symbolic
name for the btree.  Add a name field to the ops structure and use that
directly.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Signed-off-by: Darrick J. Wong <djwong@kernel.org>

1 files changed, 2 insertions, 0 deletions

diff --git a/fs/xfs/libxfs/xfs_btree.h b/fs/xfs/libxfs/xfs_btree.h
index 99194ae94694..6bc6096205b3 100644
--- a/fs/xfs/libxfs/xfs_btree.h
+++ b/fs/xfs/libxfs/xfs_btree.h
@@ -123,6 +123,8 @@ enum xfs_btree_type {
 };
 
 struct xfs_btree_ops {
+	const char		*name;
+
 	/* Type of btree - AG-rooted or inode-rooted */
 	enum xfs_btree_type	type;