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authorAndrew Morton <akpm@osdl.org>2006-06-25 01:36:52 -0700
committerJeff Garzik <jeff@garzik.org>2006-06-26 20:59:28 -0400
commita8601e5f6b77aa4f223058a93bc5f77e1ee45638 (patch)
tree19d01b0b7fc9825471223fbe3d072dbc58827041 /drivers/scsi
parent[PATCH] libata: implement ata_port_max_devices() (diff)
downloadlinux-dev-a8601e5f6b77aa4f223058a93bc5f77e1ee45638.tar.xz
linux-dev-a8601e5f6b77aa4f223058a93bc5f77e1ee45638.zip
[PATCH] libata reduce timeouts
From: Andrew Morton <akpm@osdl.org> Provide a module parameter to override the default 30-second-per-device SATA probing timeout. Cc: Tejun Heo <htejun@gmail.com> Cc: Jeff Garzik <jeff@garzik.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Jeff Garzik <jeff@garzik.org>
Diffstat (limited to 'drivers/scsi')
-rw-r--r--drivers/scsi/libata-core.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/scsi/libata-core.c b/drivers/scsi/libata-core.c
index 60e80e3a8858..10f15ab95fab 100644
--- a/drivers/scsi/libata-core.c
+++ b/drivers/scsi/libata-core.c
@@ -88,6 +88,10 @@ int libata_fua = 0;
module_param_named(fua, libata_fua, int, 0444);
MODULE_PARM_DESC(fua, "FUA support (0=off, 1=on)");
+static int ata_probe_timeout = ATA_TMOUT_INTERNAL / HZ;
+module_param(ata_probe_timeout, int, 0444);
+MODULE_PARM_DESC(ata_probe_timeout, "Set ATA probing timeout (seconds)");
+
MODULE_AUTHOR("Jeff Garzik");
MODULE_DESCRIPTION("Library module for ATA devices");
MODULE_LICENSE("GPL");
@@ -1059,7 +1063,7 @@ unsigned ata_exec_internal(struct ata_device *dev,
spin_unlock_irqrestore(ap->lock, flags);
- rc = wait_for_completion_timeout(&wait, ATA_TMOUT_INTERNAL);
+ rc = wait_for_completion_timeout(&wait, ata_probe_timeout);
ata_port_flush_task(ap);
@@ -5738,6 +5742,7 @@ int ata_pci_device_resume(struct pci_dev *pdev)
static int __init ata_init(void)
{
+ ata_probe_timeout *= HZ;
ata_wq = create_workqueue("ata");
if (!ata_wq)
return -ENOMEM;