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| author | Finn Thain <fthain@telegraphics.com.au> | 2016-01-03 16:05:21 +1100 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2016-01-06 21:42:56 -0500 |
| commit | 0ad0eff98fec3c940ec199047ff580abaaa5bb1a (patch) | |
| tree | edbaaf6760250383f1bf45fe39e48a1422985126 /drivers/scsi/atari_NCR5380.c | |
| parent | e52bbd5ccf53d2a73e524adb26b6d8a4f810ccb4 (diff) | |
| download | linux-0ad0eff98fec3c940ec199047ff580abaaa5bb1a.tar.gz linux-0ad0eff98fec3c940ec199047ff580abaaa5bb1a.tar.bz2 linux-0ad0eff98fec3c940ec199047ff580abaaa5bb1a.zip | |
ncr5380: Introduce unbound workqueue
Allocate a work queue that will permit busy waiting and sleeping. This
means NCR5380_init() can potentially fail, so add this error path.
Signed-off-by: Finn Thain <fthain@telegraphics.com.au>
Reviewed-by: Hannes Reinecke <hare@suse.com>
Tested-by: Ondrej Zary <linux@rainbow-software.org>
Tested-by: Michael Schmitz <schmitzmic@gmail.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi/atari_NCR5380.c')
| -rw-r--r-- | drivers/scsi/atari_NCR5380.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/scsi/atari_NCR5380.c b/drivers/scsi/atari_NCR5380.c index 1dd341ef89d4..0b0a225167bc 100644 --- a/drivers/scsi/atari_NCR5380.c +++ b/drivers/scsi/atari_NCR5380.c @@ -643,7 +643,7 @@ static inline void queue_main(struct NCR5380_hostdata *hostdata) queue it on the 'immediate' task queue, to be processed immediately after the current interrupt processing has finished. */ - schedule_work(&hostdata->main_task); + queue_work(hostdata->work_q, &hostdata->main_task); } /* else: nothing to do: the running NCR5380_main() will pick up any newly queued command. */ @@ -832,6 +832,11 @@ static int __init NCR5380_init(struct Scsi_Host *instance, int flags) hostdata->flags = flags; INIT_WORK(&hostdata->main_task, NCR5380_main); + hostdata->work_q = alloc_workqueue("ncr5380_%d", + WQ_UNBOUND | WQ_MEM_RECLAIM, + 1, instance->host_no); + if (!hostdata->work_q) + return -ENOMEM; prepare_info(instance); @@ -907,6 +912,7 @@ static void NCR5380_exit(struct Scsi_Host *instance) struct NCR5380_hostdata *hostdata = shost_priv(instance); cancel_work_sync(&hostdata->main_task); + destroy_workqueue(hostdata->work_q); } /** |