Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-client

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-client:
  ceph: ensure prealloc_blob is in place when removing xattr
  rbd: initialize snap_rwsem in rbd_add()
  ceph: enable/disable dentry complete flags via mount option
  vfs: export symbol d_find_any_alias()
  ceph: always initialize the dentry in open_root_dentry()
  libceph: remove useless return value for osd_client __send_request()
  ceph: avoid iput() while holding spinlock in ceph_dir_fsync
  ceph: avoid useless dget/dput in encode_fh
  ceph: dereference pointer after checking for NULL
  crush: fix force for non-root TAKE
  ceph: remove unnecessary d_fsdata conditional checks
  ceph: Use kmemdup rather than duplicating its implementation

Fix up conflicts in fs/ceph/super.c (d_alloc_root() failure handling vs
always initialize the dentry in open_root_dentry)

3 files changed, 15 insertions, 20 deletions

diff --git a/net/ceph/crush/mapper.c b/net/ceph/crush/mapper.c
index 3a94eae..b79747c 100644
--- a/net/ceph/crush/mapper.c
+++ b/net/ceph/crush/mapper.c
@@ -510,10 +510,15 @@ int crush_do_rule(struct crush_map *map,
 		switch (rule->steps[step].op) {
 		case CRUSH_RULE_TAKE:
 			w[0] = rule->steps[step].arg1;
-			if (force_pos >= 0) {
-				BUG_ON(force_context[force_pos] != w[0]);
+
+			/* find position in force_context/hierarchy */
+			while (force_pos >= 0 &&
+			       force_context[force_pos] != w[0])
 				force_pos--;
-			}
+			/* and move past it */
+			if (force_pos >= 0)
+				force_pos--;
+
 			wsize = 1;
 			break;
 
diff --git a/net/ceph/crypto.c b/net/ceph/crypto.c
index 85f3bc0..b780cb7 100644
--- a/net/ceph/crypto.c
+++ b/net/ceph/crypto.c
@@ -15,10 +15,9 @@ int ceph_crypto_key_clone(struct ceph_crypto_key *dst,
 			  const struct ceph_crypto_key *src)
 {
 	memcpy(dst, src, sizeof(struct ceph_crypto_key));
-	dst->key = kmalloc(src->len, GFP_NOFS);
+	dst->key = kmemdup(src->key, src->len, GFP_NOFS);
 	if (!dst->key)
 		return -ENOMEM;
-	memcpy(dst->key, src->key, src->len);
 	return 0;
 }
 
diff --git a/net/ceph/osd_client.c b/net/ceph/osd_client.c
index f4f3f58..5e25405 100644
--- a/net/ceph/osd_client.c
+++ b/net/ceph/osd_client.c
@@ -29,8 +29,8 @@ static void __register_request(struct ceph_osd_client *osdc,
 			       struct ceph_osd_request *req);
 static void __unregister_linger_request(struct ceph_osd_client *osdc,
 					struct ceph_osd_request *req);
-static int __send_request(struct ceph_osd_client *osdc,
-			  struct ceph_osd_request *req);
+static void __send_request(struct ceph_osd_client *osdc,
+			   struct ceph_osd_request *req);
 
 static int op_needs_trail(int op)
 {
@@ -1022,8 +1022,8 @@ out:
 /*
  * caller should hold map_sem (for read) and request_mutex
  */
-static int __send_request(struct ceph_osd_client *osdc,
-			  struct ceph_osd_request *req)
+static void __send_request(struct ceph_osd_client *osdc,
+			   struct ceph_osd_request *req)
 {
 	struct ceph_osd_request_head *reqhead;
 
@@ -1041,7 +1041,6 @@ static int __send_request(struct ceph_osd_client *osdc,
 	ceph_msg_get(req->r_request); /* send consumes a ref */
 	ceph_con_send(&req->r_osd->o_con, req->r_request);
 	req->r_sent = req->r_osd->o_incarnation;
-	return 0;
 }
 
 /*
@@ -1726,17 +1725,9 @@ int ceph_osdc_start_request(struct ceph_osd_client *osdc,
 			dout("send_request %p no up osds in pg\n", req);
 			ceph_monc_request_next_osdmap(&osdc->client->monc);
 		} else {
-			rc = __send_request(osdc, req);
-			if (rc) {
-				if (nofail) {
-					dout("osdc_start_request failed send, "
-					     " will retry %lld\n", req->r_tid);
-					rc = 0;
-				} else {
-					__unregister_request(osdc, req);
-				}
-			}
+			__send_request(osdc, req);
 		}
+		rc = 0;
 	}
 
 out_unlock: