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Commit 1c9e16e4 authored by James Smart's avatar James Smart Committed by James Bottomley
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[SCSI] update max sdev block limit 



Updated patch to address comments from Pat Mansfield and Michael Reed:
Bumped max to 600 (10mins). Set default dev_loss_tmo to a value other
than the max (30s).

Signed-off-by: default avatarJames Smart <James.Smart@emulex.com>
Signed-off-by: default avatarJames Bottomley <James.Bottomley@SteelEye.com>
parent a0785edf

drivers/scsi/scsi_priv.h

+1 −1
Original line number Diff line number Diff line
@@ -117,7 +117,7 @@ extern struct bus_type scsi_bus_type; 
 * classes.

 */



#define SCSI_DEVICE_BLOCK_MAX_TIMEOUT	(HZ*60)

#define SCSI_DEVICE_BLOCK_MAX_TIMEOUT	600	/* units in seconds */

extern int scsi_internal_device_block(struct scsi_device *sdev);

extern int scsi_internal_device_unblock(struct scsi_device *sdev);

drivers/scsi/scsi_transport_fc.c

+1 −1
Original line number Diff line number Diff line
@@ -368,7 +368,7 @@ static DECLARE_TRANSPORT_CLASS(fc_rport_class, 
 *   should insulate the loss of a remote port.

 *   The maximum will be capped by the value of SCSI_DEVICE_BLOCK_MAX_TIMEOUT.

 */

static unsigned int fc_dev_loss_tmo = SCSI_DEVICE_BLOCK_MAX_TIMEOUT;

static unsigned int fc_dev_loss_tmo = 60;		/* seconds */



module_param_named(dev_loss_tmo, fc_dev_loss_tmo, int, S_IRUGO|S_IWUSR);

MODULE_PARM_DESC(dev_loss_tmo,