summaryrefslogtreecommitdiffstats
path: root/fs/ocfs2/super.c
diff options
context:
space:
mode:
authorPekka Enberg <penberg@kernel.org>2011-03-11 18:10:45 +0200
committerPekka Enberg <penberg@kernel.org>2011-03-11 18:10:45 +0200
commitc9149556756d56c68451a4a8735c37e7062fd3d7 (patch)
treea2dae56b22adaa9a23c8f92f30c3b3ad3b610850 /fs/ocfs2/super.c
parentd71f606f687ef9d0cdddfd3619ca7cb9a0b3fb63 (diff)
parent5bfe53a77e8a3ffce4a10003c75f464a138e272d (diff)
Merge branch 'slab/rcu' into slab/next
Conflicts: mm/slub.c
Diffstat (limited to 'fs/ocfs2/super.c')
-rw-r--r--fs/ocfs2/super.c28
1 files changed, 20 insertions, 8 deletions
diff --git a/fs/ocfs2/super.c b/fs/ocfs2/super.c
index 38f986d2447..36c423fb063 100644
--- a/fs/ocfs2/super.c
+++ b/fs/ocfs2/super.c
@@ -1316,7 +1316,7 @@ static int ocfs2_parse_options(struct super_block *sb,
struct mount_options *mopt,
int is_remount)
{
- int status;
+ int status, user_stack = 0;
char *p;
u32 tmp;
@@ -1459,6 +1459,15 @@ static int ocfs2_parse_options(struct super_block *sb,
memcpy(mopt->cluster_stack, args[0].from,
OCFS2_STACK_LABEL_LEN);
mopt->cluster_stack[OCFS2_STACK_LABEL_LEN] = '\0';
+ /*
+ * Open code the memcmp here as we don't have
+ * an osb to pass to
+ * ocfs2_userspace_stack().
+ */
+ if (memcmp(mopt->cluster_stack,
+ OCFS2_CLASSIC_CLUSTER_STACK,
+ OCFS2_STACK_LABEL_LEN))
+ user_stack = 1;
break;
case Opt_inode64:
mopt->mount_opt |= OCFS2_MOUNT_INODE64;
@@ -1514,13 +1523,16 @@ static int ocfs2_parse_options(struct super_block *sb,
}
}
- /* Ensure only one heartbeat mode */
- tmp = mopt->mount_opt & (OCFS2_MOUNT_HB_LOCAL | OCFS2_MOUNT_HB_GLOBAL |
- OCFS2_MOUNT_HB_NONE);
- if (hweight32(tmp) != 1) {
- mlog(ML_ERROR, "Invalid heartbeat mount options\n");
- status = 0;
- goto bail;
+ if (user_stack == 0) {
+ /* Ensure only one heartbeat mode */
+ tmp = mopt->mount_opt & (OCFS2_MOUNT_HB_LOCAL |
+ OCFS2_MOUNT_HB_GLOBAL |
+ OCFS2_MOUNT_HB_NONE);
+ if (hweight32(tmp) != 1) {
+ mlog(ML_ERROR, "Invalid heartbeat mount options\n");
+ status = 0;
+ goto bail;
+ }
}
status = 1;