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[SCSI] add inline functions for recognising created and blocked states

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The created and blocked states are very shortly going to correspond to
mixed sdev_state states.

Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
This commit is contained in:
James Bottomley
2008-08-22 16:43:59 -05:00
parent 22447be7d1
commit 0f1d87a2ac
3 changed files with 20 additions and 8 deletions
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13
drivers/scsi/scsi.c
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@@ -664,13 +664,14 @@ int scsi_dispatch_cmd(struct scsi_cmnd *cmd)
goto out;
}
/* Check to see if the scsi lld put this device into state SDEV_BLOCK. */
if (unlikely(cmd->device->sdev_state == SDEV_BLOCK)) {
/* Check to see if the scsi lld made this device blocked. */
if (unlikely(scsi_device_blocked(cmd->device))) {
/*
* in SDEV_BLOCK, the command is just put back on the device
* queue. The suspend state has already blocked the queue so
* future requests should not occur until the device
* transitions out of the suspend state.
* in blocked state, the command is just put back on
* the device queue. The suspend state has already
* blocked the queue so future requests should not
* occur until the device transitions out of the
* suspend state.
*/
scsi_queue_insert(cmd, SCSI_MLQUEUE_DEVICE_BUSY);