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staging: lustre: mdc: deactive MDT permanently 

Add active proc entry for MDC, and mark MDC to
be inactive once the MDC is deactivated.

Signed-off-by: wang di <di.wang@intel.com>
Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-6586
Reviewed-on: http://review.whamcloud.com/14747
Reviewed-by: Lai Siyao <lai.siyao@intel.com>
Reviewed-by: James Simmons <uja.ornl@yahoo.com>
Reviewed-by: Oleg Drokin <oleg.drokin@intel.com>
Signed-off-by: James Simmons <jsimmons@infradead.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
wang di 2016-10-27 18:11:50 -04:00 committed by Greg Kroah-Hartman
parent dac91f85c5
commit bb280ab4c8
2 changed files with 38 additions and 0 deletions
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1
drivers/staging/lustre/lustre/lmv/lmv_obd.c
View File

@ -62,6 +62,7 @@ static void lmv_activate_target(struct lmv_obd *lmv,
tgt->ltd_active = activate;
lmv->desc.ld_active_tgt_count += (activate ? 1 : -1);
tgt->ltd_exp->exp_obd->obd_inactive = !activate;
}
/**

37
drivers/staging/lustre/lustre/mdc/lproc_mdc.c
View File

@ -36,6 +36,42 @@
#include "../include/lprocfs_status.h"
#include "mdc_internal.h"
static ssize_t active_show(struct kobject *kobj, struct attribute *attr,
char *buf)
{
struct obd_device *dev = container_of(kobj, struct obd_device,
obd_kobj);
return sprintf(buf, "%u\n", !dev->u.cli.cl_import->imp_deactive);
}
static ssize_t active_store(struct kobject *kobj, struct attribute *attr,
const char *buffer, size_t count)
{
struct obd_device *dev = container_of(kobj, struct obd_device,
obd_kobj);
unsigned long val;
int rc;
rc = kstrtoul(buffer, 10, &val);
if (rc)
return rc;
if (val < 0 || val > 1)
return -ERANGE;
/* opposite senses */
if (dev->u.cli.cl_import->imp_deactive == val) {
rc = ptlrpc_set_import_active(dev->u.cli.cl_import, val);
if (rc)
count = rc;
} else {
CDEBUG(D_CONFIG, "activate %lu: ignoring repeat request\n", val);
}
return count;
}
LUSTRE_RW_ATTR(active);
static ssize_t max_rpcs_in_flight_show(struct kobject *kobj,
struct attribute *attr,
char *buf)
@ -153,6 +189,7 @@ static struct lprocfs_vars lprocfs_mdc_obd_vars[] = {
};
static struct attribute *mdc_attrs[] = {
&lustre_attr_active.attr,
&lustre_attr_max_rpcs_in_flight.attr,
&lustre_attr_max_mod_rpcs_in_flight.attr,
&lustre_attr_max_pages_per_rpc.attr,