[Cluster-devel] [PATCH 03/11] gfs2: Don't use struct gfs2_rbm in struct gfs2_extent

[Andreas Gruenbacher <agruenba@redhat.com>]

Don't use struct gfs2_rbm in struct gfs2_extent: the extent will always
be in the same resource group, so there is no need to track the resource
group separately.

Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>
---
 fs/gfs2/rgrp.c | 11 +++++++----
 1 file changed, 7 insertions(+), 4 deletions(-)

diff --git a/fs/gfs2/rgrp.c b/fs/gfs2/rgrp.c
index cfef8cc5fa155..2ce46e372b020 100644
--- a/fs/gfs2/rgrp.c
+++ b/fs/gfs2/rgrp.c
@@ -61,7 +61,8 @@
  */
 
 struct gfs2_extent {
-	struct gfs2_rbm rbm;
+	int bii;
+	u32 offset;
 	u32 len;
 };
 
@@ -1696,8 +1697,9 @@ static int gfs2_reservation_check_and_update(struct gfs2_rbm *rbm,
 			return 0;
 
 		if (extlen > maxext->len) {
+			maxext->bii = rbm->bii;
+			maxext->offset = rbm->offset;
 			maxext->len = extlen;
-			maxext->rbm = *rbm;
 		}
 fail:
 		nblock = block + extlen;
@@ -1740,7 +1742,7 @@ static int gfs2_rbm_find(struct gfs2_rbm *rbm, u8 state, u32 *minlen,
 	int iters = rbm->rgd->rd_length;
 	int ret;
 	struct gfs2_bitmap *bi;
-	struct gfs2_extent maxext = { .rbm.rgd = rbm->rgd, };
+	struct gfs2_extent maxext = { };
 
 	/* If we are not starting at the beginning of a bitmap, then we
 	 * need to add one to the bitmap count to ensure that we search
@@ -1816,7 +1818,8 @@ static int gfs2_rbm_find(struct gfs2_rbm *rbm, u8 state, u32 *minlen,
 	/* If the maximum extent we found is big enough to fulfill the
 	   minimum requirements, use it anyway. */
 	if (maxext.len) {
-		*rbm = maxext.rbm;
+		rbm->bii = maxext.bii;
+		rbm->offset = maxext.offset;
 		*minlen = maxext.len;
 		return 0;
 	}
-- 
2.20.1