diff options
| author | wang di <di.wang@intel.com> | 2016-10-28 01:11:50 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2016-10-30 18:00:11 +0300 |
| commit | bb280ab4c879acdd50d7979b00d81c0e8e2dcc36 (patch) | |
| tree | 51a0d1bd538fa6fcc3649f3f41e1ece2ed781c72 /drivers | |
| parent | dac91f85c5df1024770d67c581736fe8ec8e8c88 (diff) | |
| download | linux-bb280ab4c879acdd50d7979b00d81c0e8e2dcc36.tar.xz | |
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>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/staging/lustre/lustre/lmv/lmv_obd.c | 1 | ||||
| -rw-r--r-- | drivers/staging/lustre/lustre/mdc/lproc_mdc.c | 37 |
2 files changed, 38 insertions, 0 deletions
diff --git a/drivers/staging/lustre/lustre/lmv/lmv_obd.c b/drivers/staging/lustre/lustre/lmv/lmv_obd.c index 7a8d1c8307a7..12e8b1e577e4 100644 --- a/drivers/staging/lustre/lustre/lmv/lmv_obd.c +++ b/drivers/staging/lustre/lustre/lmv/lmv_obd.c @@ -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; } /** diff --git a/drivers/staging/lustre/lustre/mdc/lproc_mdc.c b/drivers/staging/lustre/lustre/mdc/lproc_mdc.c index 5fdee9e7dec1..76b9afc9425b 100644 --- a/drivers/staging/lustre/lustre/mdc/lproc_mdc.c +++ b/drivers/staging/lustre/lustre/mdc/lproc_mdc.c @@ -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, |