1 files changed, 28 insertions, 4 deletions

diff --git a/fs/ceph/super.c b/fs/ceph/super.c
index 2df963f1cf5a..10a4ccbf38da 100644
--- a/fs/ceph/super.c
+++ b/fs/ceph/super.c
@@ -144,7 +144,11 @@ enum {
         Opt_ino32,
         Opt_noino32,
         Opt_fscache,
-        Opt_nofscache
+        Opt_nofscache,
+#ifdef CONFIG_CEPH_FS_POSIX_ACL
+        Opt_acl,
+#endif
+        Opt_noacl
 };
 
 static match_table_t fsopt_tokens = {
@@ -172,6 +176,10 @@ static match_table_t fsopt_tokens = {
         {Opt_noino32, "noino32"},
         {Opt_fscache, "fsc"},
         {Opt_nofscache, "nofsc"},
+#ifdef CONFIG_CEPH_FS_POSIX_ACL
+        {Opt_acl, "acl"},
+#endif
+        {Opt_noacl, "noacl"},
         {-1, NULL}
 };
 
@@ -271,6 +279,14 @@ static int parse_fsopt_token(char *c, void *private)
         case Opt_nofscache:
                 fsopt->flags &= ~CEPH_MOUNT_OPT_FSCACHE;
                 break;
+#ifdef CONFIG_CEPH_FS_POSIX_ACL
+        case Opt_acl:
+                fsopt->sb_flags |= MS_POSIXACL;
+                break;
+#endif
+        case Opt_noacl:
+                fsopt->sb_flags &= ~MS_POSIXACL;
+                break;
         default:
                 BUG_ON(token);
         }
@@ -438,6 +454,13 @@ static int ceph_show_options(struct seq_file *m, struct dentry *root)
         else
                 seq_puts(m, ",nofsc");
 
+#ifdef CONFIG_CEPH_FS_POSIX_ACL
+        if (fsopt->sb_flags & MS_POSIXACL)
+                seq_puts(m, ",acl");
+        else
+                seq_puts(m, ",noacl");
+#endif
+
         if (fsopt->wsize)
                 seq_printf(m, ",wsize=%d", fsopt->wsize);
         if (fsopt->rsize != CEPH_RSIZE_DEFAULT)
@@ -819,9 +842,6 @@ static int ceph_set_super(struct super_block *s, void *data)
 
         s->s_flags = fsc->mount_options->sb_flags;
         s->s_maxbytes = 1ULL << 40;  /* temp value until we get mdsmap */
-#ifdef CONFIG_CEPH_FS_POSIX_ACL
-        s->s_flags |= MS_POSIXACL;
-#endif
 
         s->s_xattr = ceph_xattr_handlers;
         s->s_fs_info = fsc;
@@ -911,6 +931,10 @@ static struct dentry *ceph_mount(struct file_system_type *fs_type,
         struct ceph_options *opt = NULL;
 
         dout("ceph_mount\n");
+
+#ifdef CONFIG_CEPH_FS_POSIX_ACL
+        flags |= MS_POSIXACL;
+#endif
         err = parse_mount_options(&fsopt, &opt, flags, data, dev_name, &path);
         if (err < 0) {
                 res = ERR_PTR(err);