ceph: check OSD caps before read/write

Signed-off-by: Yan, Zheng <zyan@redhat.com>

1 files changed, 14 insertions, 1 deletions

diff --git a/fs/ceph/super.c b/fs/ceph/super.c
index 4e9905374078..9a5350030af8 100644
--- a/fs/ceph/super.c
+++ b/fs/ceph/super.c
@@ -134,10 +134,12 @@ enum {
         Opt_noino32,
         Opt_fscache,
         Opt_nofscache,
+        Opt_poolperm,
+        Opt_nopoolperm,
 #ifdef CONFIG_CEPH_FS_POSIX_ACL
         Opt_acl,
 #endif
-        Opt_noacl
+        Opt_noacl,
 };
 
 static match_table_t fsopt_tokens = {
@@ -165,6 +167,8 @@ static match_table_t fsopt_tokens = {
         {Opt_noino32, "noino32"},
         {Opt_fscache, "fsc"},
         {Opt_nofscache, "nofsc"},
+        {Opt_poolperm, "poolperm"},
+        {Opt_nopoolperm, "nopoolperm"},
 #ifdef CONFIG_CEPH_FS_POSIX_ACL
         {Opt_acl, "acl"},
 #endif
@@ -268,6 +272,13 @@ static int parse_fsopt_token(char *c, void *private)
         case Opt_nofscache:
                 fsopt->flags &= ~CEPH_MOUNT_OPT_FSCACHE;
                 break;
+        case Opt_poolperm:
+                fsopt->flags &= ~CEPH_MOUNT_OPT_NOPOOLPERM;
+                printk ("pool perm");
+                break;
+        case Opt_nopoolperm:
+                fsopt->flags |= CEPH_MOUNT_OPT_NOPOOLPERM;
+                break;
 #ifdef CONFIG_CEPH_FS_POSIX_ACL
         case Opt_acl:
                 fsopt->sb_flags |= MS_POSIXACL;
@@ -436,6 +447,8 @@ static int ceph_show_options(struct seq_file *m, struct dentry *root)
                 seq_puts(m, ",nodcache");
         if (fsopt->flags & CEPH_MOUNT_OPT_FSCACHE)
                 seq_puts(m, ",fsc");
+        if (fsopt->flags & CEPH_MOUNT_OPT_NOPOOLPERM)
+                seq_puts(m, ",nopoolperm");
 
 #ifdef CONFIG_CEPH_FS_POSIX_ACL
         if (fsopt->sb_flags & MS_POSIXACL)