diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/s390/block/dasd.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/s390/block/dasd.c b/drivers/s390/block/dasd.c index 363bd1303d2..570ae59c1d5 100644 --- a/drivers/s390/block/dasd.c +++ b/drivers/s390/block/dasd.c @@ -1898,15 +1898,19 @@ restart_cb: wait_event(dasd_flush_wq, (cqr->status < DASD_CQR_QUEUED)); /* Process finished ERP request. */ if (cqr->refers) { + spin_lock_bh(&block->queue_lock); __dasd_block_process_erp(block, cqr); + spin_unlock_bh(&block->queue_lock); /* restart list_for_xx loop since dasd_process_erp * might remove multiple elements */ goto restart_cb; } /* call the callback function */ + spin_lock_irq(&block->request_queue_lock); cqr->endclk = get_clock(); list_del_init(&cqr->blocklist); __dasd_cleanup_cqr(cqr); + spin_unlock_irq(&block->request_queue_lock); } return rc; } |