Merge tag 'v2.6.38' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6

[mv-sheeva.git] / fs / ocfs2 / super.c

diff --git a/fs/ocfs2/super.c b/fs/ocfs2/super.c
index cfeab7ce36974b6d448e7e0b7d96fd0a992dbaa5..36c423fb063523e8a5b4791d9bc483e3fd7909e7 100644 (file)
--- a/fs/ocfs2/super.c
+++ b/fs/ocfs2/super.c
@@ -569,11 +569,18 @@ static struct inode *ocfs2_alloc_inode(struct super_block *sb)
        return &oi->vfs_inode;
 }
 
-static void ocfs2_destroy_inode(struct inode *inode)
+static void ocfs2_i_callback(struct rcu_head *head)
 {
+       struct inode *inode = container_of(head, struct inode, i_rcu);
+       INIT_LIST_HEAD(&inode->i_dentry);
        kmem_cache_free(ocfs2_inode_cachep, OCFS2_I(inode));
 }
 
+static void ocfs2_destroy_inode(struct inode *inode)
+{
+       call_rcu(&inode->i_rcu, ocfs2_i_callback);
+}
+
 static unsigned long long ocfs2_max_file_offset(unsigned int bbits,
                                                unsigned int cbits)
 {
@@ -986,8 +993,7 @@ static void ocfs2_disable_quotas(struct ocfs2_super *osb)
 }
 
 /* Handle quota on quotactl */
-static int ocfs2_quota_on(struct super_block *sb, int type, int format_id,
-                         char *path)
+static int ocfs2_quota_on(struct super_block *sb, int type, int format_id)
 {
        unsigned int feature[MAXQUOTAS] = { OCFS2_FEATURE_RO_COMPAT_USRQUOTA,
                                             OCFS2_FEATURE_RO_COMPAT_GRPQUOTA};
@@ -1006,7 +1012,7 @@ static int ocfs2_quota_off(struct super_block *sb, int type)
 }
 
 static const struct quotactl_ops ocfs2_quotactl_ops = {
-       .quota_on       = ocfs2_quota_on,
+       .quota_on_meta  = ocfs2_quota_on,
        .quota_off      = ocfs2_quota_off,
        .quota_sync     = dquot_quota_sync,
        .get_info       = dquot_get_dqinfo,
@@ -1310,7 +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;
 
@@ -1453,6 +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;
@@ -1508,13 +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;
@@ -2090,6 +2108,7 @@ static int ocfs2_initialize_super(struct super_block *sb,
 
        sb->s_fs_info = osb;
        sb->s_op = &ocfs2_sops;
+       sb->s_d_op = &ocfs2_dentry_ops;
        sb->s_export_op = &ocfs2_export_ops;
        sb->s_qcop = &ocfs2_quotactl_ops;
        sb->dq_op = &ocfs2_quota_operations;