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staging/lustre/llite: ensure obd is effective in onu_upcall

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The watched obd device may still not setup while onu_upcall
invoked. So we need verify it in cl_ocd_update.

Signed-off-by: Yang Sheng <yang.sheng@intel.com>
Reviewed-on: http://review.whamcloud.com/19597
Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-8027
Reviewed-by: Niu Yawei <yawei.niu@intel.com>
Reviewed-by: Lai Siyao <lai.siyao@intel.com>
Signed-off-by: Oleg Drokin <green@linuxhacker.ru>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Yang Sheng 2016-06-20 16:55:42 -04:00 committed by Greg Kroah-Hartman
parent e8beaf670d
commit 2323d6d837
1 changed files with 5 additions and 3 deletions
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8
drivers/staging/lustre/lustre/llite/lcommon_misc.c
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@ -96,7 +96,8 @@ int cl_ocd_update(struct obd_device *host,
__u64 flags;
int result;
if (!strcmp(watched->obd_type->typ_name, LUSTRE_OSC_NAME)) {
if (!strcmp(watched->obd_type->typ_name, LUSTRE_OSC_NAME) &&
watched->obd_set_up && !watched->obd_stopping) {
cli = &watched->u.cli;
lco = owner;
flags = cli->cl_import->imp_connect_data.ocd_connect_flags;
@ -111,9 +112,10 @@ int cl_ocd_update(struct obd_device *host,
mutex_unlock(&lco->lco_lock);
result = 0;
} else {
CERROR("unexpected notification from %s %s!\n",
CERROR("unexpected notification from %s %s (setup:%d,stopping:%d)!\n",
watched->obd_type->typ_name,
watched->obd_name);
watched->obd_name, watched->obd_set_up,
watched->obd_stopping);
result = -EINVAL;
}
return result;