Author: mav
Date: Sun Sep 13 15:08:06 2015
New Revision: 287757
URL: https://svnweb.freebsd.org/changeset/base/287757
Log:
When updating port, apply only change of LUN map, not whole.
Modified:
head/usr.sbin/ctld/ctld.c
head/usr.sbin/ctld/ctld.h
head/usr.sbin/ctld/kernel.c
Modified: head/usr.sbin/ctld/ctld.c
==============================================================================
--- head/usr.sbin/ctld/ctld.c Sun Sep 13 14:52:31 2015 (r287756)
+++ head/usr.sbin/ctld/ctld.c Sun Sep 13 15:08:06 2015 (r287757)
@@ -2002,7 +2002,7 @@ conf_apply(struct conf *oldconf, struct
} else {
log_debugx("updating port \"%s\"", newport->p_name);
newport->p_ctl_port = oldport->p_ctl_port;
- error = kernel_port_update(newport);
+ error = kernel_port_update(newport, oldport);
}
if (error != 0) {
log_warnx("failed to %s port %s",
Modified: head/usr.sbin/ctld/ctld.h
==============================================================================
--- head/usr.sbin/ctld/ctld.h Sun Sep 13 14:52:31 2015 (r287756)
+++ head/usr.sbin/ctld/ctld.h Sun Sep 13 15:08:06 2015 (r287757)
@@ -399,7 +399,7 @@ void kernel_handoff(struct
connection
void kernel_limits(const char *offload,
size_t *max_data_segment_length);
int kernel_port_add(struct port *port);
-int kernel_port_update(struct port *port);
+int kernel_port_update(struct port *port, struct port *old);
int kernel_port_remove(struct port *port);
void kernel_capsicate(void);
Modified: head/usr.sbin/ctld/kernel.c
==============================================================================
--- head/usr.sbin/ctld/kernel.c Sun Sep 13 14:52:31 2015 (r287756)
+++ head/usr.sbin/ctld/kernel.c Sun Sep 13 15:08:06 2015 (r287757)
@@ -1024,11 +1024,13 @@ kernel_port_add(struct port *port)
}
int
-kernel_port_update(struct port *port)
+kernel_port_update(struct port *port, struct port *oport)
{
struct ctl_lun_map lm;
struct target *targ = port->p_target;
+ struct target *otarg = oport->p_target;
int error, i;
+ uint32_t olun;
/* Map configured LUNs and unmap others */
for (i = 0; i < MAX_LUNS; i++) {
@@ -1038,6 +1040,12 @@ kernel_port_update(struct port *port)
lm.lun = UINT32_MAX;
else
lm.lun = targ->t_luns[i]->l_ctl_lun;
+ if (otarg->t_luns[i] == NULL)
+ olun = UINT32_MAX;
+ else
+ olun = otarg->t_luns[i]->l_ctl_lun;
+ if (lm.lun == olun)
+ continue;
error = ioctl(ctl_fd, CTL_LUN_MAP, &lm);
if (error != 0)
log_warn("CTL_LUN_MAP ioctl failed");
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