evie/android_kernel_oneplus_msm8998
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drbd: Separate connection state changes from minor dev state changes #2

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New function got_conn_RqSReply()

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 2011-03-16 11:27:48 +01:00
parent f19e4f8ba7
commit e4f78edee1
1 changed files with 26 additions and 21 deletions
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47
drivers/block/drbd/drbd_receiver.c
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@ -4412,32 +4412,37 @@ int drbdd_init(struct drbd_thread *thi)
/* ********* acknowledge sender ******** */ /* ********* acknowledge sender ******** */
static int got_conn_RqSReply(struct drbd_tconn *tconn, enum drbd_packet cmd)
{
struct p_req_state_reply *p = &tconn->meta.rbuf.req_state_reply;
int retcode = be32_to_cpu(p->retcode);
if (retcode >= SS_SUCCESS) {
set_bit(CONN_WD_ST_CHG_OKAY, &tconn->flags);
} else {
set_bit(CONN_WD_ST_CHG_FAIL, &tconn->flags);
conn_err(tconn, "Requested state change failed by peer: %s (%d)\n",
drbd_set_st_err_str(retcode), retcode);
}
wake_up(&tconn->ping_wait);
return true;
}
static int got_RqSReply(struct drbd_conf *mdev, enum drbd_packet cmd) static int got_RqSReply(struct drbd_conf *mdev, enum drbd_packet cmd)
{ {
struct p_req_state_reply *p = &mdev->tconn->meta.rbuf.req_state_reply; struct p_req_state_reply *p = &mdev->tconn->meta.rbuf.req_state_reply;
struct drbd_tconn *tconn = mdev->tconn;
int retcode = be32_to_cpu(p->retcode); int retcode = be32_to_cpu(p->retcode);
if (cmd == P_STATE_CHG_REPLY) { if (retcode >= SS_SUCCESS) {
if (retcode >= SS_SUCCESS) { set_bit(CL_ST_CHG_SUCCESS, &mdev->flags);
set_bit(CL_ST_CHG_SUCCESS, &mdev->flags); } else {
} else { set_bit(CL_ST_CHG_FAIL, &mdev->flags);
set_bit(CL_ST_CHG_FAIL, &mdev->flags); dev_err(DEV, "Requested state change failed by peer: %s (%d)\n",
dev_err(DEV, "Requested state change failed by peer: %s (%d)\n", drbd_set_st_err_str(retcode), retcode);
drbd_set_st_err_str(retcode), retcode);
}
wake_up(&mdev->state_wait);
} else /* conn == P_CONN_ST_CHG_REPLY */ {
if (retcode >= SS_SUCCESS) {
set_bit(CONN_WD_ST_CHG_OKAY, &tconn->flags);
} else {
set_bit(CONN_WD_ST_CHG_FAIL, &tconn->flags);
conn_err(tconn, "Requested state change failed by peer: %s (%d)\n",
drbd_set_st_err_str(retcode), retcode);
}
wake_up(&tconn->ping_wait);
} }
wake_up(&mdev->state_wait);
return true; return true;
} }
@ -4743,7 +4748,7 @@ static struct asender_cmd asender_tbl[] = {
[P_RS_IS_IN_SYNC] = { sizeof(struct p_block_ack), MDEV, { got_IsInSync } }, [P_RS_IS_IN_SYNC] = { sizeof(struct p_block_ack), MDEV, { got_IsInSync } },
[P_DELAY_PROBE] = { sizeof(struct p_delay_probe93), MDEV, { got_skip } }, [P_DELAY_PROBE] = { sizeof(struct p_delay_probe93), MDEV, { got_skip } },
[P_RS_CANCEL] = { sizeof(struct p_block_ack), MDEV, { got_NegRSDReply } }, [P_RS_CANCEL] = { sizeof(struct p_block_ack), MDEV, { got_NegRSDReply } },
[P_CONN_ST_CHG_REPLY]={ sizeof(struct p_req_state_reply), MDEV, { got_RqSReply } }, [P_CONN_ST_CHG_REPLY]={ sizeof(struct p_req_state_reply), CONN, {.conn_fn = got_conn_RqSReply}},
[P_RETRY_WRITE] = { sizeof(struct p_block_ack), MDEV, { got_BlockAck } }, [P_RETRY_WRITE] = { sizeof(struct p_block_ack), MDEV, { got_BlockAck } },
}; };