1 files changed, 42 insertions, 10 deletions

diff --git a/fs/quota/quota.c b/fs/quota/quota.c
index 6f3856328eea..d14a799c7785 100644
--- a/fs/quota/quota.c
+++ b/fs/quota/quota.c
@@ -66,18 +66,40 @@ static int quota_sync_all(int type)
         return ret;
 }
 
+unsigned int qtype_enforce_flag(int type)
+{
+        switch (type) {
+        case USRQUOTA:
+                return FS_QUOTA_UDQ_ENFD;
+        case GRPQUOTA:
+                return FS_QUOTA_GDQ_ENFD;
+        case PRJQUOTA:
+                return FS_QUOTA_PDQ_ENFD;
+        }
+        return 0;
+}
+
 static int quota_quotaon(struct super_block *sb, int type, int cmd, qid_t id,
                          struct path *path)
 {
-        if (!sb->s_qcop->quota_on && !sb->s_qcop->quota_on_meta)
+        if (!sb->s_qcop->quota_on && !sb->s_qcop->quota_enable)
                 return -ENOSYS;
-        if (sb->s_qcop->quota_on_meta)
-                return sb->s_qcop->quota_on_meta(sb, type, id);
+        if (sb->s_qcop->quota_enable)
+                return sb->s_qcop->quota_enable(sb, qtype_enforce_flag(type));
         if (IS_ERR(path))
                 return PTR_ERR(path);
         return sb->s_qcop->quota_on(sb, type, id, path);
 }
 
+static int quota_quotaoff(struct super_block *sb, int type)
+{
+        if (!sb->s_qcop->quota_off && !sb->s_qcop->quota_disable)
+                return -ENOSYS;
+        if (sb->s_qcop->quota_disable)
+                return sb->s_qcop->quota_disable(sb, qtype_enforce_flag(type));
+        return sb->s_qcop->quota_off(sb, type);
+}
+
 static int quota_getfmt(struct super_block *sb, int type, void __user *addr)
 {
         __u32 fmt;
@@ -208,15 +230,26 @@ static int quota_setquota(struct super_block *sb, int type, qid_t id,
         return sb->s_qcop->set_dqblk(sb, qid, &fdq);
 }
 
-static int quota_setxstate(struct super_block *sb, int cmd, void __user *addr)
+static int quota_enable(struct super_block *sb, void __user *addr)
 {
         __u32 flags;
 
         if (copy_from_user(&flags, addr, sizeof(flags)))
                 return -EFAULT;
-        if (!sb->s_qcop->set_xstate)
+        if (!sb->s_qcop->quota_enable)
                 return -ENOSYS;
-        return sb->s_qcop->set_xstate(sb, flags, cmd);
+        return sb->s_qcop->quota_enable(sb, flags);
+}
+
+static int quota_disable(struct super_block *sb, void __user *addr)
+{
+        __u32 flags;
+
+        if (copy_from_user(&flags, addr, sizeof(flags)))
+                return -EFAULT;
+        if (!sb->s_qcop->quota_disable)
+                return -ENOSYS;
+        return sb->s_qcop->quota_disable(sb, flags);
 }
 
 static int quota_getxstate(struct super_block *sb, void __user *addr)
@@ -429,9 +462,7 @@ static int do_quotactl(struct super_block *sb, int type, int cmd, qid_t id,
         case Q_QUOTAON:
                 return quota_quotaon(sb, type, cmd, id, path);
         case Q_QUOTAOFF:
-                if (!sb->s_qcop->quota_off)
-                        return -ENOSYS;
-                return sb->s_qcop->quota_off(sb, type);
+                return quota_quotaoff(sb, type);
         case Q_GETFMT:
                 return quota_getfmt(sb, type, addr);
         case Q_GETINFO:
@@ -447,8 +478,9 @@ static int do_quotactl(struct super_block *sb, int type, int cmd, qid_t id,
                         return -ENOSYS;
                 return sb->s_qcop->quota_sync(sb, type);
         case Q_XQUOTAON:
+                return quota_enable(sb, addr);
         case Q_XQUOTAOFF:
-                return quota_setxstate(sb, cmd, addr);
+                return quota_disable(sb, addr);
         case Q_XQUOTARM:
                 return quota_rmxquota(sb, addr);
         case Q_XGETQSTAT: