diff options
| author | Tejun Heo <htejun@gmail.com> | 2006-05-31 18:27:42 +0900 |
|---|---|---|
| committer | Tejun Heo <htejun@gmail.com> | 2006-05-31 18:27:42 +0900 |
| commit | 453b07accb47c5b54aa2f156ebffac63c543027b (patch) | |
| tree | a08ee98bab64b1d92a9856e086c87de53012b6fc /drivers | |
| parent | 3edebac41bab7e146578ad9e723ee7fff71c99c0 (diff) | |
[PATCH] libata-hp-prep: add ata_aux_wq
It's best to run ATA hotplug from EH but attaching SCSI devices needs
working EH. ata_aux_wq is used to give SCSI hotplug operations a
separate context.
Signed-off-by: Tejun Heo <htejun@gmail.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/scsi/libata-core.c | 9 | ||||
| -rw-r--r-- | drivers/scsi/libata.h | 1 |
2 files changed, 10 insertions, 0 deletions
diff --git a/drivers/scsi/libata-core.c b/drivers/scsi/libata-core.c index b1a02fdbb0a..04921cf2fc0 100644 --- a/drivers/scsi/libata-core.c +++ b/drivers/scsi/libata-core.c @@ -69,6 +69,8 @@ static void ata_dev_xfermask(struct ata_device *dev); static unsigned int ata_unique_id = 1; static struct workqueue_struct *ata_wq; +struct workqueue_struct *ata_aux_wq; + int atapi_enabled = 1; module_param(atapi_enabled, int, 0444); MODULE_PARM_DESC(atapi_enabled, "Enable discovery of ATAPI devices (0=off, 1=on)"); @@ -5623,6 +5625,12 @@ static int __init ata_init(void) if (!ata_wq) return -ENOMEM; + ata_aux_wq = create_singlethread_workqueue("ata_aux"); + if (!ata_aux_wq) { + destroy_workqueue(ata_wq); + return -ENOMEM; + } + printk(KERN_DEBUG "libata version " DRV_VERSION " loaded.\n"); return 0; } @@ -5630,6 +5638,7 @@ static int __init ata_init(void) static void __exit ata_exit(void) { destroy_workqueue(ata_wq); + destroy_workqueue(ata_aux_wq); } module_init(ata_init); diff --git a/drivers/scsi/libata.h b/drivers/scsi/libata.h index c2b1c919b96..4458fd9fc1a 100644 --- a/drivers/scsi/libata.h +++ b/drivers/scsi/libata.h @@ -39,6 +39,7 @@ struct ata_scsi_args { }; /* libata-core.c */ +extern struct workqueue_struct *ata_aux_wq; extern int atapi_enabled; extern int atapi_dmadir; extern int libata_fua; |