diff options
| -rw-r--r-- | drivers/staging/lustre/lustre/include/obd.h | 6 | ||||
| -rw-r--r-- | drivers/staging/lustre/lustre/mgc/mgc_request.c | 4 | ||||
| -rw-r--r-- | drivers/staging/lustre/lustre/ptlrpc/sec_config.c | 2 |
3 files changed, 10 insertions, 2 deletions
diff --git a/drivers/staging/lustre/lustre/include/obd.h b/drivers/staging/lustre/lustre/include/obd.h index 40909b092c36..a1bc2c478ff9 100644 --- a/drivers/staging/lustre/lustre/include/obd.h +++ b/drivers/staging/lustre/lustre/include/obd.h @@ -228,6 +228,12 @@ enum { #define MDC_MAX_RIF_DEFAULT 8 #define MDC_MAX_RIF_MAX 512 +enum obd_cl_sem_lock_class { + OBD_CLI_SEM_NORMAL, + OBD_CLI_SEM_MGC, + OBD_CLI_SEM_MDCOSC, +}; + struct mdc_rpc_lock; struct obd_import; struct client_obd { diff --git a/drivers/staging/lustre/lustre/mgc/mgc_request.c b/drivers/staging/lustre/lustre/mgc/mgc_request.c index fbbf2762ac84..9d0bd4745865 100644 --- a/drivers/staging/lustre/lustre/mgc/mgc_request.c +++ b/drivers/staging/lustre/lustre/mgc/mgc_request.c @@ -496,7 +496,9 @@ static void do_requeue(struct config_llog_data *cld) * export which is being disconnected. Take the client * semaphore to make the check non-racy. */ - down_read(&cld->cld_mgcexp->exp_obd->u.cli.cl_sem); + down_read_nested(&cld->cld_mgcexp->exp_obd->u.cli.cl_sem, + OBD_CLI_SEM_MGC); + if (cld->cld_mgcexp->exp_obd->u.cli.cl_conn_count != 0) { int rc; diff --git a/drivers/staging/lustre/lustre/ptlrpc/sec_config.c b/drivers/staging/lustre/lustre/ptlrpc/sec_config.c index 1238c873bfdf..c14035479c5f 100644 --- a/drivers/staging/lustre/lustre/ptlrpc/sec_config.c +++ b/drivers/staging/lustre/lustre/ptlrpc/sec_config.c @@ -815,7 +815,7 @@ void sptlrpc_conf_client_adapt(struct obd_device *obd) CDEBUG(D_SEC, "obd %s\n", obd->u.cli.cl_target_uuid.uuid); /* serialize with connect/disconnect import */ - down_read(&obd->u.cli.cl_sem); + down_read_nested(&obd->u.cli.cl_sem, OBD_CLI_SEM_MDCOSC); imp = obd->u.cli.cl_import; if (imp) { |