xfs: create transaction reservations for metadata inode operations

Create transaction reservation types and block reservation helpers to
help us calculate transaction requirements.

Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>

1 files changed, 20 insertions, 0 deletions

diff --git a/fs/xfs/libxfs/xfs_imeta.c b/fs/xfs/libxfs/xfs_imeta.c
index 9994b867aeab..aadba5786d1c 100644
--- a/fs/xfs/libxfs/xfs_imeta.c
+++ b/fs/xfs/libxfs/xfs_imeta.c
@@ -17,6 +17,10 @@
 #include "xfs_imeta.h"
 #include "xfs_trace.h"
 #include "xfs_inode.h"
+#include "xfs_bmap_btree.h"
+#include "xfs_da_format.h"
+#include "xfs_da_btree.h"
+#include "xfs_trans_space.h"
 
 /*
  * Metadata Inode Number Management
@@ -378,3 +382,19 @@ xfs_imeta_mount(
 {
 	return 0;
 }
+
+/* Calculate the log block reservation to create a metadata inode. */
+unsigned int
+xfs_imeta_create_space_res(
+	struct xfs_mount	*mp)
+{
+	return XFS_IALLOC_SPACE_RES(mp);
+}
+
+/* Calculate the log block reservation to unlink a metadata inode. */
+unsigned int
+xfs_imeta_unlink_space_res(
+	struct xfs_mount	*mp)
+{
+	return XFS_REMOVE_SPACE_RES(mp);
+}