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Make it possible to interrupt login when running in proxy mode.

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Sponsored by:	The FreeBSD Foundation
This commit is contained in:
Edward Tomasz Napierala 2014-04-16 10:37:26 +00:00
parent 8cab2ed4cd
commit 6e4f347cd6
1 changed files with 21 additions and 6 deletions
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27
sys/cam/ctl/ctl_frontend_iscsi.c
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@ -1130,6 +1130,9 @@ cfiscsi_session_terminate(struct cfiscsi_session *cs)
return;
cs->cs_terminating = 1;
cv_signal(&cs->cs_maintenance_cv);
#ifdef ICL_KERNEL_PROXY
cv_signal(&cs->cs_login_cv);
#endif
}
static int
@ -1864,6 +1867,7 @@ cfiscsi_ioctl_receive(struct ctl_iscsi *ci)
struct cfiscsi_session *cs;
struct icl_pdu *ip;
void *data;
int error;
cirp = (struct ctl_iscsi_receive_params *)&(ci->data);
@ -1874,7 +1878,8 @@ cfiscsi_ioctl_receive(struct ctl_iscsi *ci)
}
if (cs == NULL) {
mtx_unlock(&cfiscsi_softc.lock);
snprintf(ci->error_str, sizeof(ci->error_str), "connection not found");
snprintf(ci->error_str, sizeof(ci->error_str),
"connection not found");
ci->status = CTL_ISCSI_ERROR;
return;
}
@ -1886,12 +1891,21 @@ cfiscsi_ioctl_receive(struct ctl_iscsi *ci)
#endif
CFISCSI_SESSION_LOCK(cs);
while (cs->cs_login_pdu == NULL &&
cs->cs_terminating == false)
cv_wait(&cs->cs_login_cv, &cs->cs_lock);
while (cs->cs_login_pdu == NULL && cs->cs_terminating == false) {
error = cv_wait_sig(&cs->cs_login_cv, &cs->cs_lock);
if (error != 0) {
CFISCSI_SESSION_UNLOCK(cs);
snprintf(ci->error_str, sizeof(ci->error_str),
"interrupted by signal");
ci->status = CTL_ISCSI_ERROR;
return;
}
}
if (cs->cs_terminating) {
CFISCSI_SESSION_UNLOCK(cs);
snprintf(ci->error_str, sizeof(ci->error_str), "connection terminating");
snprintf(ci->error_str, sizeof(ci->error_str),
"connection terminating");
ci->status = CTL_ISCSI_ERROR;
return;
}
@ -1901,7 +1915,8 @@ cfiscsi_ioctl_receive(struct ctl_iscsi *ci)
if (ip->ip_data_len > cirp->data_segment_len) {
icl_pdu_free(ip);
snprintf(ci->error_str, sizeof(ci->error_str), "data segment too big");
snprintf(ci->error_str, sizeof(ci->error_str),
"data segment too big");
ci->status = CTL_ISCSI_ERROR;
return;
}