xfs: remove xfs_rmap_ag_owner and friends

Owner information for static fs metadata can be defined readonly at
build time because it never changes across filesystems.  This enables us
to reduce stack usage (particularly in scrub) because we can use the
statically defined oinfo structures.

Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Brian Foster <bfoster@redhat.com>

1 files changed, 4 insertions, 5 deletions

diff --git a/fs/xfs/libxfs/xfs_alloc.c b/fs/xfs/libxfs/xfs_alloc.c
index e9eb4b2768f2..b715668886a4 100644
--- a/fs/xfs/libxfs/xfs_alloc.c
+++ b/fs/xfs/libxfs/xfs_alloc.c
@@ -1594,7 +1594,6 @@ xfs_alloc_ag_vextent_small(
         xfs_extlen_t    *flenp, /* result length */
         int             *stat)  /* status: 0-freelist, 1-normal/none */
 {
-        struct xfs_owner_info   oinfo;
         int             error;
         xfs_agblock_t   fbno;
         xfs_extlen_t    flen;
@@ -1648,9 +1647,8 @@ xfs_alloc_ag_vextent_small(
                          * doesn't live in the free space, we need to clear
                          * out the OWN_AG rmap.
                          */
-                        xfs_rmap_ag_owner(&oinfo, XFS_RMAP_OWN_AG);
                         error = xfs_rmap_free(args->tp, args->agbp, args->agno,
-                                        fbno, 1, &oinfo);
+                                        fbno, 1, &XFS_RMAP_OINFO_AG);
                         if (error)
                                 goto error0;
 
@@ -2314,10 +2312,11 @@ xfs_alloc_fix_freelist(
          * repair/rmap.c in xfsprogs for details.
          */
         memset(&targs, 0, sizeof(targs));
+        /* struct copy below */
         if (flags & XFS_ALLOC_FLAG_NORMAP)
-                xfs_rmap_skip_owner_update(&targs.oinfo);
+                targs.oinfo = XFS_RMAP_OINFO_SKIP_UPDATE;
         else
-                xfs_rmap_ag_owner(&targs.oinfo, XFS_RMAP_OWN_AG);
+                targs.oinfo = XFS_RMAP_OINFO_AG;
         while (!(flags & XFS_ALLOC_FLAG_NOSHRINK) && pag->pagf_flcount > need) {
                 error = xfs_alloc_get_freelist(tp, agbp, &bno, 0);
                 if (error)