xfs: const-ify xfs_owner_info arguments

Only certain functions actually change the contents of an
xfs_owner_info; the rest can accept a const struct pointer.  This will
enable us to save stack space by hoisting static owner info types to
be const global variables.

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

1 files changed, 2 insertions, 2 deletions

diff --git a/fs/xfs/libxfs/xfs_alloc.h b/fs/xfs/libxfs/xfs_alloc.h
index 00cd5ec4cb6b..d6ed5d2c07c2 100644
--- a/fs/xfs/libxfs/xfs_alloc.h
+++ b/fs/xfs/libxfs/xfs_alloc.h
@@ -182,7 +182,7 @@ __xfs_free_extent(
         struct xfs_trans        *tp,    /* transaction pointer */
         xfs_fsblock_t           bno,    /* starting block number of extent */
         xfs_extlen_t            len,    /* length of extent */
-        struct xfs_owner_info   *oinfo, /* extent owner */
+        const struct xfs_owner_info     *oinfo, /* extent owner */
         enum xfs_ag_resv_type   type,   /* block reservation type */
         bool                    skip_discard);
 
@@ -191,7 +191,7 @@ xfs_free_extent(
         struct xfs_trans        *tp,
         xfs_fsblock_t           bno,
         xfs_extlen_t            len,
-        struct xfs_owner_info   *oinfo,
+        const struct xfs_owner_info     *oinfo,
         enum xfs_ag_resv_type   type)
 {
         return __xfs_free_extent(tp, bno, len, oinfo, type, false);