xfs: create imeta abstractions to get and set metadata inodes

Create some helper routines to get and set metadata inode numbers
instead of open-coding them throughout xfs.

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

1 files changed, 22 insertions, 0 deletions

diff --git a/fs/xfs/xfs_mount.c b/fs/xfs/xfs_mount.c
index 490bf1266661..a53e6aa54675 100644
--- a/fs/xfs/xfs_mount.c
+++ b/fs/xfs/xfs_mount.c
@@ -33,6 +33,7 @@
 #include "xfs_health.h"
 #include "xfs_trace.h"
 #include "xfs_ag.h"
+#include "xfs_imeta.h"
 
 static DEFINE_MUTEX(xfs_uuid_table_mutex);
 static int xfs_uuid_table_size;
@@ -514,6 +515,22 @@ xfs_check_summary_counts(
 	return xfs_initialize_perag_data(mp, mp->m_sb.sb_agcount);
 }
 
+STATIC int
+xfs_mountfs_imeta(
+	struct xfs_mount	*mp)
+{
+	int			error;
+
+	error = xfs_imeta_mount(mp);
+	if (error) {
+		xfs_warn(mp, "Failed to load metadata inode info, error %d",
+				error);
+		return error;
+	}
+
+	return 0;
+}
+
 /*
  * Flush and reclaim dirty inodes in preparation for unmount. Inodes and
  * internal inode structures can be sitting in the CIL and AIL at this point,
@@ -807,6 +824,11 @@ xfs_mountfs(
 		mp->m_features |= XFS_FEAT_ATTR2;
 	}
 
+	/* Load the metadata directory tree. */
+	error = xfs_mountfs_imeta(mp);
+	if (error)
+		goto out_log_dealloc;
+
 	/*
 	 * Get and sanity-check the root inode.
 	 * Save the pointer to it in the mount structure.