[ 074/171] ceph: messenger: reduce args to create_authorizer

From: Greg Kroah-Hartman
Date: Thu Nov 22 2012 - 17:44:13 EST


3.4-stable review patch. If anyone has any objections, please let me know.

------------------

From: Alex Elder <elder@xxxxxxxxxxx>

(cherry picked from commit 74f1869f76d043bad12ec03b4d5f04a8c3d1f157)

Make use of the new ceph_auth_handshake structure in order to reduce
the number of arguments passed to the create_authorizor method in
ceph_auth_client_ops. Use a local variable of that type as a
shorthand in the get_authorizer method definitions.

Signed-off-by: Alex Elder <elder@xxxxxxxxxxx>
Reviewed-by: Sage Weil <sage@xxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
fs/ceph/mds_client.c | 27 ++++++++++++---------------
include/linux/ceph/auth.h | 4 +---
net/ceph/auth_none.c | 15 +++++++--------
net/ceph/auth_x.c | 15 +++++++--------
net/ceph/osd_client.c | 26 +++++++++++---------------
5 files changed, 38 insertions(+), 49 deletions(-)

--- a/fs/ceph/mds_client.c
+++ b/fs/ceph/mds_client.c
@@ -3402,31 +3402,28 @@ static int get_authorizer(struct ceph_co
struct ceph_mds_session *s = con->private;
struct ceph_mds_client *mdsc = s->s_mdsc;
struct ceph_auth_client *ac = mdsc->fsc->client->monc.auth;
+ struct ceph_auth_handshake *auth = &s->s_auth;
int ret = 0;

- if (force_new && s->s_auth.authorizer) {
- ac->ops->destroy_authorizer(ac, s->s_auth.authorizer);
- s->s_auth.authorizer = NULL;
+ if (force_new && auth->authorizer) {
+ ac->ops->destroy_authorizer(ac, auth->authorizer);
+ auth->authorizer = NULL;
}
- if (s->s_auth.authorizer == NULL) {
+ if (auth->authorizer == NULL) {
if (ac->ops->create_authorizer) {
- ret = ac->ops->create_authorizer(
- ac, CEPH_ENTITY_TYPE_MDS,
- &s->s_auth.authorizer,
- &s->s_auth.authorizer_buf,
- &s->s_auth.authorizer_buf_len,
- &s->s_auth.authorizer_reply_buf,
- &s->s_auth.authorizer_reply_buf_len);
+ ret = ac->ops->create_authorizer(ac,
+ CEPH_ENTITY_TYPE_MDS, auth);
if (ret)
return ret;
}
}

*proto = ac->protocol;
- *buf = s->s_auth.authorizer_buf;
- *len = s->s_auth.authorizer_buf_len;
- *reply_buf = s->s_auth.authorizer_reply_buf;
- *reply_len = s->s_auth.authorizer_reply_buf_len;
+ *buf = auth->authorizer_buf;
+ *len = auth->authorizer_buf_len;
+ *reply_buf = auth->authorizer_reply_buf;
+ *reply_len = auth->authorizer_reply_buf_len;
+
return 0;
}

--- a/include/linux/ceph/auth.h
+++ b/include/linux/ceph/auth.h
@@ -51,9 +51,7 @@ struct ceph_auth_client_ops {
* the response to authenticate the service.
*/
int (*create_authorizer)(struct ceph_auth_client *ac, int peer_type,
- struct ceph_authorizer **a,
- void **buf, size_t *len,
- void **reply_buf, size_t *reply_len);
+ struct ceph_auth_handshake *auth);
int (*verify_authorizer_reply)(struct ceph_auth_client *ac,
struct ceph_authorizer *a, size_t len);
void (*destroy_authorizer)(struct ceph_auth_client *ac,
--- a/net/ceph/auth_none.c
+++ b/net/ceph/auth_none.c
@@ -59,9 +59,7 @@ static int handle_reply(struct ceph_auth
*/
static int ceph_auth_none_create_authorizer(
struct ceph_auth_client *ac, int peer_type,
- struct ceph_authorizer **a,
- void **buf, size_t *len,
- void **reply_buf, size_t *reply_len)
+ struct ceph_auth_handshake *auth)
{
struct ceph_auth_none_info *ai = ac->private;
struct ceph_none_authorizer *au = &ai->au;
@@ -82,11 +80,12 @@ static int ceph_auth_none_create_authori
dout("built authorizer len %d\n", au->buf_len);
}

- *a = (struct ceph_authorizer *)au;
- *buf = au->buf;
- *len = au->buf_len;
- *reply_buf = au->reply_buf;
- *reply_len = sizeof(au->reply_buf);
+ auth->authorizer = (struct ceph_authorizer *) au;
+ auth->authorizer_buf = au->buf;
+ auth->authorizer_buf_len = au->buf_len;
+ auth->authorizer_reply_buf = au->reply_buf;
+ auth->authorizer_reply_buf_len = sizeof (au->reply_buf);
+
return 0;

bad2:
--- a/net/ceph/auth_x.c
+++ b/net/ceph/auth_x.c
@@ -526,9 +526,7 @@ static int ceph_x_handle_reply(struct ce

static int ceph_x_create_authorizer(
struct ceph_auth_client *ac, int peer_type,
- struct ceph_authorizer **a,
- void **buf, size_t *len,
- void **reply_buf, size_t *reply_len)
+ struct ceph_auth_handshake *auth)
{
struct ceph_x_authorizer *au;
struct ceph_x_ticket_handler *th;
@@ -548,11 +546,12 @@ static int ceph_x_create_authorizer(
return ret;
}

- *a = (struct ceph_authorizer *)au;
- *buf = au->buf->vec.iov_base;
- *len = au->buf->vec.iov_len;
- *reply_buf = au->reply_buf;
- *reply_len = sizeof(au->reply_buf);
+ auth->authorizer = (struct ceph_authorizer *) au;
+ auth->authorizer_buf = au->buf->vec.iov_base;
+ auth->authorizer_buf_len = au->buf->vec.iov_len;
+ auth->authorizer_reply_buf = au->reply_buf;
+ auth->authorizer_reply_buf_len = sizeof (au->reply_buf);
+
return 0;
}

--- a/net/ceph/osd_client.c
+++ b/net/ceph/osd_client.c
@@ -2115,29 +2115,25 @@ static int get_authorizer(struct ceph_co
struct ceph_osd *o = con->private;
struct ceph_osd_client *osdc = o->o_osdc;
struct ceph_auth_client *ac = osdc->client->monc.auth;
+ struct ceph_auth_handshake *auth = &o->o_auth;
int ret = 0;

- if (force_new && o->o_auth.authorizer) {
- ac->ops->destroy_authorizer(ac, o->o_auth.authorizer);
- o->o_auth.authorizer = NULL;
+ if (force_new && auth->authorizer) {
+ ac->ops->destroy_authorizer(ac, auth->authorizer);
+ auth->authorizer = NULL;
}
- if (o->o_auth.authorizer == NULL) {
- ret = ac->ops->create_authorizer(
- ac, CEPH_ENTITY_TYPE_OSD,
- &o->o_auth.authorizer,
- &o->o_auth.authorizer_buf,
- &o->o_auth.authorizer_buf_len,
- &o->o_auth.authorizer_reply_buf,
- &o->o_auth.authorizer_reply_buf_len);
+ if (auth->authorizer == NULL) {
+ ret = ac->ops->create_authorizer(ac, CEPH_ENTITY_TYPE_OSD, auth);
if (ret)
return ret;
}

*proto = ac->protocol;
- *buf = o->o_auth.authorizer_buf;
- *len = o->o_auth.authorizer_buf_len;
- *reply_buf = o->o_auth.authorizer_reply_buf;
- *reply_len = o->o_auth.authorizer_reply_buf_len;
+ *buf = auth->authorizer_buf;
+ *len = auth->authorizer_buf_len;
+ *reply_buf = auth->authorizer_reply_buf;
+ *reply_len = auth->authorizer_reply_buf_len;
+
return 0;
}



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