This is a note to let you know that I've just added the patch titled

    ceph: use info returned by get_authorizer

to the 3.4-stable tree which can be found at:
    
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
     0022-ceph-use-info-returned-by-get_authorizer.patch
and it can be found in the queue-3.4 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <[email protected]> know about it.


>From 8f78f1676fed681923b213924d75474e4da08228 Mon Sep 17 00:00:00 2001
From: Alex Elder <[email protected]>
Date: Wed, 16 May 2012 15:16:39 -0500
Subject: ceph: use info returned by get_authorizer

From: Alex Elder <[email protected]>

(cherry picked from commit 8f43fb53894079bf0caab6e348ceaffe7adc651a)

Rather than passing a bunch of arguments to be filled in with the
content of the ceph_auth_handshake buffer now returned by the
get_authorizer method, just use the returned information in the
caller, and drop the unnecessary arguments.

Signed-off-by: Alex Elder <[email protected]>
Reviewed-by: Sage Weil <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
---
 fs/ceph/mds_client.c           |    9 +--------
 include/linux/ceph/messenger.h |    4 +---
 net/ceph/messenger.c           |   13 +++++++------
 net/ceph/osd_client.c          |    9 +--------
 4 files changed, 10 insertions(+), 25 deletions(-)

--- a/fs/ceph/mds_client.c
+++ b/fs/ceph/mds_client.c
@@ -3401,9 +3401,7 @@ out:
  * managed separately.  Caller must *not* attempt to free it.
  */
 static struct ceph_auth_handshake *get_authorizer(struct ceph_connection *con,
-                                       void **buf, int *len, int *proto,
-                                       void **reply_buf, int *reply_len,
-                                       int force_new)
+                                       int *proto, int force_new)
 {
        struct ceph_mds_session *s = con->private;
        struct ceph_mds_client *mdsc = s->s_mdsc;
@@ -3421,12 +3419,7 @@ static struct ceph_auth_handshake *get_a
                if (ret)
                        return ERR_PTR(ret);
        }
-
        *proto = ac->protocol;
-       *buf = auth->authorizer_buf;
-       *len = auth->authorizer_buf_len;
-       *reply_buf = auth->authorizer_reply_buf;
-       *reply_len = auth->authorizer_reply_buf_len;
 
        return auth;
 }
--- a/include/linux/ceph/messenger.h
+++ b/include/linux/ceph/messenger.h
@@ -27,9 +27,7 @@ struct ceph_connection_operations {
        /* authorize an outgoing connection */
        struct ceph_auth_handshake *(*get_authorizer) (
                                struct ceph_connection *con,
-                               void **buf, int *len, int *proto,
-                               void **reply_buf, int *reply_len,
-                               int force_new);
+                              int *proto, int force_new);
        int (*verify_authorizer_reply) (struct ceph_connection *con, int len);
        int (*invalidate_authorizer)(struct ceph_connection *con);
 
--- a/net/ceph/messenger.c
+++ b/net/ceph/messenger.c
@@ -671,20 +671,21 @@ static int prepare_connect_authorizer(st
 
        mutex_unlock(&con->mutex);
 
-       auth_buf = NULL;
-       auth_len = 0;
        auth_protocol = CEPH_AUTH_UNKNOWN;
-       auth = con->ops->get_authorizer(con, &auth_buf, &auth_len,
-                               &auth_protocol, &con->auth_reply_buf,
-                               &con->auth_reply_buf_len, con->auth_retry);
+       auth = con->ops->get_authorizer(con, &auth_protocol, con->auth_retry);
+
        mutex_lock(&con->mutex);
 
        if (IS_ERR(auth))
                return PTR_ERR(auth);
-
        if (test_bit(CLOSED, &con->state) || test_bit(OPENING, &con->state))
                return -EAGAIN;
 
+       auth_buf = auth->authorizer_buf;
+       auth_len = auth->authorizer_buf_len;
+       con->auth_reply_buf = auth->authorizer_reply_buf;
+       con->auth_reply_buf_len = auth->authorizer_reply_buf_len;
+
        con->out_connect.authorizer_protocol = cpu_to_le32(auth_protocol);
        con->out_connect.authorizer_len = cpu_to_le32(auth_len);
 
--- a/net/ceph/osd_client.c
+++ b/net/ceph/osd_client.c
@@ -2113,9 +2113,7 @@ static void put_osd_con(struct ceph_conn
  * managed separately.  Caller must *not* attempt to free it.
  */
 static struct ceph_auth_handshake *get_authorizer(struct ceph_connection *con,
-                                       void **buf, int *len, int *proto,
-                                       void **reply_buf, int *reply_len,
-                                       int force_new)
+                                       int *proto, int force_new)
 {
        struct ceph_osd *o = con->private;
        struct ceph_osd_client *osdc = o->o_osdc;
@@ -2133,12 +2131,7 @@ static struct ceph_auth_handshake *get_a
                if (ret)
                        return ERR_PTR(ret);
        }
-
        *proto = ac->protocol;
-       *buf = auth->authorizer_buf;
-       *len = auth->authorizer_buf_len;
-       *reply_buf = auth->authorizer_reply_buf;
-       *reply_len = auth->authorizer_reply_buf_len;
 
        return auth;
 }


Patches currently in stable-queue which might be from [email protected] are

queue-3.4/0020-ceph-ensure-auth-ops-are-defined-before-use.patch
queue-3.4/0025-ceph-add-auth-buf-in-prepare_write_connect.patch
queue-3.4/0021-ceph-have-get_authorizer-methods-return-pointers.patch
queue-3.4/0026-libceph-avoid-unregistering-osd-request-when-not-reg.patch
queue-3.4/0005-crush-fix-memory-leak-when-destroying-tree-buckets.patch
queue-3.4/0002-crush-adjust-local-retry-threshold.patch
queue-3.4/0023-ceph-return-pointer-from-prepare_connect_authorizer.patch
queue-3.4/0036-rbd-Fix-ceph_snap_context-size-calculation.patch
queue-3.4/0018-ceph-define-ceph_auth_handshake-type.patch
queue-3.4/0011-ceph-messenger-reset-connection-kvec-caller.patch
queue-3.4/0019-ceph-messenger-reduce-args-to-create_authorizer.patch
queue-3.4/0029-libceph-use-con-get-put-ops-from-osd_client.patch
queue-3.4/0015-ceph-messenger-check-prepare_write_connect-result.patch
queue-3.4/0003-crush-be-more-tolerant-of-nonsensical-crush-maps.patch
queue-3.4/0028-libceph-osd_client-don-t-drop-reply-reference-too-ea.patch
queue-3.4/0038-libceph-eliminate-connection-state-DEAD.patch
queue-3.4/0014-ceph-don-t-set-WRITE_PENDING-too-early.patch
queue-3.4/0016-ceph-messenger-rework-prepare_connect_authorizer.patch
queue-3.4/0039-libceph-kill-bad_proto-ceph-connection-op.patch
queue-3.4/0031-libceph-flush-msgr-queue-during-mon_client-shutdown.patch
queue-3.4/0013-ceph-drop-msgr-argument-from-prepare_write_connect.patch
queue-3.4/0030-rbd-Clear-ceph_msg-bio_iter-for-retransmitted-messag.patch
queue-3.4/0009-ceph-messenger-change-read_partial-to-take-end-arg.patch
queue-3.4/0017-ceph-messenger-check-return-from-get_authorizer.patch
queue-3.4/0001-crush-clean-up-types-const-ness.patch
queue-3.4/0022-ceph-use-info-returned-by-get_authorizer.patch
queue-3.4/0027-libceph-fix-pg_temp-updates.patch
queue-3.4/0008-ceph-messenger-update-to-in-read_partial-caller.patch
queue-3.4/0007-ceph-messenger-use-read_partial-in-read_partial_mess.patch
queue-3.4/0010-libceph-don-t-reset-kvec-in-prepare_write_banner.patch
queue-3.4/0012-ceph-messenger-send-banner-in-process_connect.patch
queue-3.4/0024-ceph-rename-prepare_connect_authorizer.patch
queue-3.4/0004-crush-fix-tree-node-weight-lookup.patch
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