xfs: attach rtgroup objects to btree cursors

Make it so that we can attach realtime group objects to btree cursors.
This will be crucial for enabling rmap btrees in realtime groups.

Signed-off-by: Darrick J. Wong <djwong@kernel.org>

diff --git a/libxfs/xfs_btree.c b/libxfs/xfs_btree.c
index 51ccb568226bff371660399366906c62e7cea262..0f25703c12a02a6c45bd526f2d40af53c666b607 100644 (file)
--- a/libxfs/xfs_btree.c
+++ b/libxfs/xfs_btree.c
@@ -28,6 +28,7 @@
 #include "xfile.h"
 #include "buf_mem.h"
 #include "xfs_btree_mem.h"
+#include "xfs_rtgroup.h"
 
 /*
  * Btree magic numbers.
@@ -527,7 +528,8 @@ xfs_btree_del_cursor(
                        xfs_perag_put(cur->bc_ag.pag);
                break;
        case XFS_BTREE_TYPE_INODE:
-               /* nothing to do */
+               if (cur->bc_ino.rtg)
+                       xfs_rtgroup_put(cur->bc_ino.rtg);
                break;
        case XFS_BTREE_TYPE_MEM:
                if (cur->bc_mem.pag)

diff --git a/libxfs/xfs_btree.h b/libxfs/xfs_btree.h
index 1f3aac749225d1ee4209d27b4c25a0d709aa14b0..ea7cf4f0ea5b2fc0ec45bf88a6eff09420767935 100644 (file)
--- a/libxfs/xfs_btree.h
+++ b/libxfs/xfs_btree.h
@@ -12,6 +12,7 @@ struct xfs_mount;
 struct xfs_trans;
 struct xfs_ifork;
 struct xfs_perag;
+struct xfs_rtgroup;
 
 /*
  * Generic key, ptr and record wrapper structures.
@@ -262,6 +263,7 @@ struct xfs_btree_cur
        union {
                struct {
                        struct xfs_inode        *ip;
+                       struct xfs_rtgroup      *rtg;   /* if realtime metadata */
                        short                   forksize;
                        char                    whichfork;
                        struct xbtree_ifakeroot *ifake; /* for staging cursor */