gfs2: Remove GFS2_MIN_LVB_SIZE define

The dlm lockspace is set up to have lock value blocks of GDLM_LVB_SIZE bytes,
and dlm is the only lock manager we support, so there is no point in claiming
that the lock value block could have any other size.
Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>

fs/gfs2/glock.c

@@ -826,7 +826,7 @@ int gfs2_glock_get(struct gfs2_sbd *sdp, u64 number,
 	memset(&gl->gl_lksb, 0, sizeof(struct dlm_lksb));
 
 	if (glops->go_flags & GLOF_LVB) {
-		gl->gl_lksb.sb_lvbptr = kzalloc(GFS2_MIN_LVB_SIZE, GFP_NOFS);
+		gl->gl_lksb.sb_lvbptr = kzalloc(GDLM_LVB_SIZE, GFP_NOFS);
 		if (!gl->gl_lksb.sb_lvbptr) {
 			kmem_cache_free(cachep, gl);
 			return -ENOMEM;

fs/gfs2/incore.h

@@ -387,8 +387,6 @@ struct gfs2_glock {
 	struct rhash_head gl_node;
 };
 
-#define GFS2_MIN_LVB_SIZE 32	/* Min size of LVB that gfs2 supports */
-
 enum {
 	GIF_INVALID		= 0,
 	GIF_QD_LOCKED		= 1,