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drbd: Converted drbd_(get|put)_data_sock() and drbd_send_cmd2() to tconn

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Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
This commit is contained in:
Philipp Reisner 2011-02-08 09:50:54 +01:00
parent 65d11ed6f2
commit 611208706f
4 changed files with 27 additions and 27 deletions
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20
drivers/block/drbd/drbd_int.h
View File

@ -1109,26 +1109,26 @@ static inline unsigned int mdev_to_minor(struct drbd_conf *mdev)
/* returns 1 if it was successful,
* returns 0 if there was no data socket.
* so wherever you are going to use the data.socket, e.g. do
* if (!drbd_get_data_sock(mdev))
* if (!drbd_get_data_sock(mdev->tconn))
* return 0;
* CODE();
* drbd_put_data_sock(mdev);
* drbd_get_data_sock(mdev->tconn);
*/
static inline int drbd_get_data_sock(struct drbd_conf *mdev)
static inline int drbd_get_data_sock(struct drbd_tconn *tconn)
{
mutex_lock(&mdev->tconn->data.mutex);
mutex_lock(&tconn->data.mutex);
/* drbd_disconnect() could have called drbd_free_sock()
* while we were waiting in down()... */
if (unlikely(mdev->tconn->data.socket == NULL)) {
mutex_unlock(&mdev->tconn->data.mutex);
if (unlikely(tconn->data.socket == NULL)) {
mutex_unlock(&tconn->data.mutex);
return 0;
}
return 1;
}
static inline void drbd_put_data_sock(struct drbd_conf *mdev)
static inline void drbd_put_data_sock(struct drbd_tconn *tconn)
{
mutex_unlock(&mdev->tconn->data.mutex);
mutex_unlock(&tconn->data.mutex);
}
/*
@ -1171,12 +1171,12 @@ extern int drbd_send_state(struct drbd_conf *mdev);
extern int _conn_send_cmd(struct drbd_tconn *tconn, int vnr, struct socket *sock,
enum drbd_packet cmd, struct p_header *h, size_t size,
unsigned msg_flags);
extern int conn_send_cmd2(struct drbd_tconn *tconn, enum drbd_packet cmd,
char *data, size_t size);
#define USE_DATA_SOCKET 1
#define USE_META_SOCKET 0
extern int drbd_send_cmd(struct drbd_conf *mdev, int use_data_socket,
enum drbd_packet cmd, struct p_header *h, size_t size);
extern int drbd_send_cmd2(struct drbd_conf *mdev, enum drbd_packet cmd,
char *data, size_t size);
extern int drbd_send_sync_param(struct drbd_conf *mdev, struct syncer_conf *sc);
extern int drbd_send_b_ack(struct drbd_conf *mdev, u32 barrier_nr,
u32 set_size);

26
drivers/block/drbd/drbd_main.c
View File

@ -727,23 +727,23 @@ int drbd_send_cmd(struct drbd_conf *mdev, int use_data_socket,
return ok;
}
int drbd_send_cmd2(struct drbd_conf *mdev, enum drbd_packet cmd, char *data,
int conn_send_cmd2(struct drbd_tconn *tconn, enum drbd_packet cmd, char *data,
size_t size)
{
struct p_header h;
struct p_header80 h;
int ok;
prepare_header(mdev, &h, cmd, size);
prepare_header80(&h, cmd, size);
if (!drbd_get_data_sock(mdev))
if (!drbd_get_data_sock(tconn))
return 0;
ok = (sizeof(h) ==
drbd_send(mdev->tconn, mdev->tconn->data.socket, &h, sizeof(h), 0));
drbd_send(tconn, tconn->data.socket, &h, sizeof(h), 0));
ok = ok && (size ==
drbd_send(mdev->tconn, mdev->tconn->data.socket, data, size, 0));
drbd_send(tconn, tconn->data.socket, data, size, 0));
drbd_put_data_sock(mdev);
drbd_put_data_sock(tconn);
return ok;
}
@ -1188,10 +1188,10 @@ int drbd_send_bitmap(struct drbd_conf *mdev)
{
int err;
if (!drbd_get_data_sock(mdev))
if (!drbd_get_data_sock(mdev->tconn))
return -1;
err = !_drbd_send_bitmap(mdev);
drbd_put_data_sock(mdev);
drbd_put_data_sock(mdev->tconn);
return err;
}
@ -1505,7 +1505,7 @@ int drbd_send_dblock(struct drbd_conf *mdev, struct drbd_request *req)
void *dgb;
int dgs;
if (!drbd_get_data_sock(mdev))
if (!drbd_get_data_sock(mdev->tconn))
return 0;
dgs = (mdev->tconn->agreed_pro_version >= 87 && mdev->tconn->integrity_w_tfm) ?
@ -1564,7 +1564,7 @@ int drbd_send_dblock(struct drbd_conf *mdev, struct drbd_request *req)
} */
}
drbd_put_data_sock(mdev);
drbd_put_data_sock(mdev->tconn);
return ok;
}
@ -1595,7 +1595,7 @@ int drbd_send_block(struct drbd_conf *mdev, enum drbd_packet cmd,
* This one may be interrupted by DRBD_SIG and/or DRBD_SIGKILL
* in response to admin command or module unload.
*/
if (!drbd_get_data_sock(mdev))
if (!drbd_get_data_sock(mdev->tconn))
return 0;
ok = sizeof(p) == drbd_send(mdev->tconn, mdev->tconn->data.socket, &p, sizeof(p), dgs ? MSG_MORE : 0);
@ -1607,7 +1607,7 @@ int drbd_send_block(struct drbd_conf *mdev, enum drbd_packet cmd,
if (ok)
ok = _drbd_send_zc_ee(mdev, peer_req);
drbd_put_data_sock(mdev);
drbd_put_data_sock(mdev->tconn);
return ok;
}

4
drivers/block/drbd/drbd_receiver.c
View File

@ -4093,7 +4093,7 @@ static int drbd_do_auth(struct drbd_conf *mdev)
get_random_bytes(my_challenge, CHALLENGE_LEN);
rv = drbd_send_cmd2(mdev, P_AUTH_CHALLENGE, my_challenge, CHALLENGE_LEN);
rv = conn_send_cmd2(mdev->tconn, P_AUTH_CHALLENGE, my_challenge, CHALLENGE_LEN);
if (!rv)
goto fail;
@ -4148,7 +4148,7 @@ static int drbd_do_auth(struct drbd_conf *mdev)
goto fail;
}
rv = drbd_send_cmd2(mdev, P_AUTH_RESPONSE, response, resp_size);
rv = conn_send_cmd2(mdev->tconn, P_AUTH_RESPONSE, response, resp_size);
if (!rv)
goto fail;

4
drivers/block/drbd/drbd_worker.c
View File

@ -1197,7 +1197,7 @@ int w_send_barrier(struct drbd_conf *mdev, struct drbd_work *w, int cancel)
if (cancel)
return 1;
if (!drbd_get_data_sock(mdev))
if (!drbd_get_data_sock(mdev->tconn))
return 0;
p->barrier = b->br_number;
/* inc_ap_pending was done where this was queued.
@ -1205,7 +1205,7 @@ int w_send_barrier(struct drbd_conf *mdev, struct drbd_work *w, int cancel)
* or (on connection loss) in w_clear_epoch. */
ok = _drbd_send_cmd(mdev, mdev->tconn->data.socket, P_BARRIER,
&p->head, sizeof(*p), 0);
drbd_put_data_sock(mdev);
drbd_put_data_sock(mdev->tconn);
return ok;
}