ceph: check OSD caps before read/write

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

1 files changed, 9 insertions, 0 deletions

diff --git a/fs/ceph/mds_client.h b/fs/ceph/mds_client.h
index 1875b5d985c6..d474141c034a 100644
--- a/fs/ceph/mds_client.h
+++ b/fs/ceph/mds_client.h
@@ -260,6 +260,12 @@ struct ceph_mds_request {
 	int r_num_caps;
 };
 
+struct ceph_pool_perm {
+	struct rb_node node;
+	u32 pool;
+	int perm;
+};
+
 /*
  * mds client state
  */
@@ -328,6 +334,9 @@ struct ceph_mds_client {
 	spinlock_t	  dentry_lru_lock;
 	struct list_head  dentry_lru;
 	int		  num_dentry;
+
+	struct rw_semaphore     pool_perm_rwsem;
+	struct rb_root		pool_perm_tree;
 };
 
 extern const char *ceph_mds_op_name(int op);