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drbd: Converted drbd_send_fp() from mdev 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 2011-02-07 15:32:04 +01:00
parent bedbd2a53a
commit d38e787ecc
3 changed files with 33 additions and 29 deletions
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13
drivers/block/drbd/drbd_int.h
View File

@ -1168,9 +1168,9 @@ extern int drbd_gen_and_send_sync_uuid(struct drbd_conf *mdev);
extern int drbd_send_sizes(struct drbd_conf *mdev, int trigger_reply, enum dds_flags flags);
extern int _drbd_send_state(struct drbd_conf *mdev);
extern int drbd_send_state(struct drbd_conf *mdev);
extern int _drbd_send_cmd(struct drbd_conf *mdev, struct socket *sock,
enum drbd_packet cmd, struct p_header *h,
size_t size, unsigned msg_flags);
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);
#define USE_DATA_SOCKET 1
#define USE_META_SOCKET 0
extern int drbd_send_cmd(struct drbd_conf *mdev, int use_data_socket,
@ -1870,6 +1870,13 @@ static inline void request_ping(struct drbd_tconn *tconn)
wake_asender(tconn);
}
static inline int _drbd_send_cmd(struct drbd_conf *mdev, struct socket *sock,
enum drbd_packet cmd, struct p_header *h, size_t size,
unsigned msg_flags)
{
return _conn_send_cmd(mdev->tconn, mdev->vnr, sock, cmd, h, size, msg_flags);
}
static inline int drbd_send_short_cmd(struct drbd_conf *mdev,
enum drbd_packet cmd)
{

35
drivers/block/drbd/drbd_main.c
View File

@ -651,51 +651,50 @@ void drbd_thread_current_set_cpu(struct drbd_conf *mdev, struct drbd_thread *thi
}
#endif
static void prepare_header80(struct drbd_conf *mdev, struct p_header80 *h,
enum drbd_packet cmd, int size)
static void prepare_header80(struct p_header80 *h, enum drbd_packet cmd, int size)
{
h->magic = cpu_to_be32(DRBD_MAGIC);
h->command = cpu_to_be16(cmd);
h->length = cpu_to_be16(size);
}
static void prepare_header95(struct drbd_conf *mdev, struct p_header95 *h,
enum drbd_packet cmd, int size)
static void prepare_header95(struct p_header95 *h, enum drbd_packet cmd, int size)
{
h->magic = cpu_to_be16(DRBD_MAGIC_BIG);
h->command = cpu_to_be16(cmd);
h->length = cpu_to_be32(size);
}
static void _prepare_header(struct drbd_tconn *tconn, int vnr, struct p_header *h,
enum drbd_packet cmd, int size)
{
if (tconn->agreed_pro_version >= 100 || size > DRBD_MAX_SIZE_H80_PACKET)
prepare_header95(&h->h95, cmd, size);
else
prepare_header80(&h->h80, cmd, size);
}
static void prepare_header(struct drbd_conf *mdev, struct p_header *h,
enum drbd_packet cmd, int size)
{
if (mdev->tconn->agreed_pro_version >= 100 || size > DRBD_MAX_SIZE_H80_PACKET)
prepare_header95(mdev, &h->h95, cmd, size);
else
prepare_header80(mdev, &h->h80, cmd, size);
_prepare_header(mdev->tconn, mdev->vnr, h, cmd, size);
}
/* the appropriate socket mutex must be held already */
int _drbd_send_cmd(struct drbd_conf *mdev, struct socket *sock,
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)
{
int sent, ok;
if (!expect(h))
return false;
if (!expect(size))
return false;
_prepare_header(tconn, vnr, h, cmd, size - sizeof(struct p_header));
prepare_header(mdev, h, cmd, size - sizeof(struct p_header));
sent = drbd_send(mdev->tconn, sock, h, size, msg_flags);
sent = drbd_send(tconn, sock, h, size, msg_flags);
ok = (sent == size);
if (!ok && !signal_pending(current))
dev_warn(DEV, "short sent %s size=%d sent=%d\n",
cmdname(cmd), (int)size, sent);
conn_warn(tconn, "short sent %s size=%d sent=%d\n",
cmdname(cmd), (int)size, sent);
return ok;
}

14
drivers/block/drbd/drbd_receiver.c
View File

@ -698,16 +698,14 @@ out:
return s_estab;
}
static int drbd_send_fp(struct drbd_conf *mdev, struct socket *sock,
enum drbd_packet cmd)
static int drbd_send_fp(struct drbd_tconn *tconn, struct socket *sock, enum drbd_packet cmd)
{
struct p_header *h = &mdev->tconn->data.sbuf.header;
struct p_header *h = &tconn->data.sbuf.header;
return _drbd_send_cmd(mdev, sock, cmd, h, sizeof(*h), 0);
return _conn_send_cmd(tconn, 0, sock, cmd, h, sizeof(*h), 0);
}
static enum drbd_packet drbd_recv_fp(struct drbd_conf *mdev,
struct socket *sock)
static enum drbd_packet drbd_recv_fp(struct drbd_conf *mdev, struct socket *sock)
{
struct p_header80 *h = &mdev->tconn->data.rbuf.header.h80;
int rr;
@ -782,11 +780,11 @@ static int drbd_connect(struct drbd_conf *mdev)
if (s) {
if (!sock) {
drbd_send_fp(mdev, s, P_HAND_SHAKE_S);
drbd_send_fp(mdev->tconn, s, P_HAND_SHAKE_S);
sock = s;
s = NULL;
} else if (!msock) {
drbd_send_fp(mdev, s, P_HAND_SHAKE_M);
drbd_send_fp(mdev->tconn, s, P_HAND_SHAKE_M);
msock = s;
s = NULL;
} else {