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authorLinus Torvalds <torvalds@linux-foundation.org>2008-12-02 15:52:28 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2008-12-02 15:52:28 -0800
commit9a689bc4f09f8b89f88e65b1b0a2ea780b4f28de (patch)
treed1ab7273b725acb1b28091e7634a4ed2e9ba2f41 /drivers/scsi
parent1122b19b8f4da2ee6d6b21780f86bea7957f641e (diff)
parentdc5c49bff34e5b5a4334560dc7f7dfeae91d8962 (diff)
downloadlinux-9a689bc4f09f8b89f88e65b1b0a2ea780b4f28de.tar.bz2
Merge git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-rc-fixes-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-rc-fixes-2.6: [SCSI] stex: switch to block timeout [SCSI] make scsi_eh_try_stu use block timeout [SCSI] megaraid_sas: switch to block timeout [SCSI] ibmvscsi: switch to block timeout [SCSI] aacraid: switch to block timeout [SCSI] zfcp: prevent double decrement on host_busy while being busy [SCSI] zfcp: fix deadlock between wq triggered port scan and ERP [SCSI] zfcp: eliminate race between validation and locking [SCSI] zfcp: verify for correct rport state before scanning for SCSI devs [SCSI] zfcp: returning an ERR_PTR where a NULL value is expected [SCSI] zfcp: Fix opening of wka ports [SCSI] zfcp: fix remote port status check [SCSI] fc_transport: fix old bug on bitflag definitions [SCSI] Fix hang in starved list processing
Diffstat (limited to 'drivers/scsi')
-rw-r--r--drivers/scsi/aacraid/linit.c4
-rw-r--r--drivers/scsi/ibmvscsi/ibmvscsi.c2
-rw-r--r--drivers/scsi/megaraid/megaraid_sas.c3
-rw-r--r--drivers/scsi/scsi_error.c3
-rw-r--r--drivers/scsi/scsi_lib.c23
-rw-r--r--drivers/scsi/stex.c2
6 files changed, 18 insertions, 19 deletions
diff --git a/drivers/scsi/aacraid/linit.c b/drivers/scsi/aacraid/linit.c
index 9aa301c1ed07..162cd927d94b 100644
--- a/drivers/scsi/aacraid/linit.c
+++ b/drivers/scsi/aacraid/linit.c
@@ -427,8 +427,8 @@ static int aac_slave_configure(struct scsi_device *sdev)
* Firmware has an individual device recovery time typically
* of 35 seconds, give us a margin.
*/
- if (sdev->timeout < (45 * HZ))
- sdev->timeout = 45 * HZ;
+ if (sdev->request_queue->rq_timeout < (45 * HZ))
+ blk_queue_rq_timeout(sdev->request_queue, 45*HZ);
for (cid = 0; cid < aac->maximum_num_containers; ++cid)
if (aac->fsa_dev[cid].valid)
++num_lsu;
diff --git a/drivers/scsi/ibmvscsi/ibmvscsi.c b/drivers/scsi/ibmvscsi/ibmvscsi.c
index 87e09f35d3d4..6cad1758243a 100644
--- a/drivers/scsi/ibmvscsi/ibmvscsi.c
+++ b/drivers/scsi/ibmvscsi/ibmvscsi.c
@@ -1442,7 +1442,7 @@ static int ibmvscsi_slave_configure(struct scsi_device *sdev)
spin_lock_irqsave(shost->host_lock, lock_flags);
if (sdev->type == TYPE_DISK) {
sdev->allow_restart = 1;
- sdev->timeout = 60 * HZ;
+ blk_queue_rq_timeout(sdev->request_queue, 60 * HZ);
}
scsi_adjust_queue_depth(sdev, 0, shost->cmd_per_lun);
spin_unlock_irqrestore(shost->host_lock, lock_flags);
diff --git a/drivers/scsi/megaraid/megaraid_sas.c b/drivers/scsi/megaraid/megaraid_sas.c
index a454f94623d7..17ce7abe17ee 100644
--- a/drivers/scsi/megaraid/megaraid_sas.c
+++ b/drivers/scsi/megaraid/megaraid_sas.c
@@ -1016,7 +1016,8 @@ static int megasas_slave_configure(struct scsi_device *sdev)
* The RAID firmware may require extended timeouts.
*/
if (sdev->channel >= MEGASAS_MAX_PD_CHANNELS)
- sdev->timeout = MEGASAS_DEFAULT_CMD_TIMEOUT * HZ;
+ blk_queue_rq_timeout(sdev->request_queue,
+ MEGASAS_DEFAULT_CMD_TIMEOUT * HZ);
return 0;
}
diff --git a/drivers/scsi/scsi_error.c b/drivers/scsi/scsi_error.c
index 386361778ebb..edfaf241c5ba 100644
--- a/drivers/scsi/scsi_error.c
+++ b/drivers/scsi/scsi_error.c
@@ -932,8 +932,7 @@ static int scsi_eh_try_stu(struct scsi_cmnd *scmd)
int i, rtn = NEEDS_RETRY;
for (i = 0; rtn == NEEDS_RETRY && i < 2; i++)
- rtn = scsi_send_eh_cmnd(scmd, stu_command, 6,
- scmd->device->timeout, 0);
+ rtn = scsi_send_eh_cmnd(scmd, stu_command, 6, scmd->device->request_queue->rq_timeout, 0);
if (rtn == SUCCESS)
return 0;
diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c
index f5d3b96890dc..fa45a1a66867 100644
--- a/drivers/scsi/scsi_lib.c
+++ b/drivers/scsi/scsi_lib.c
@@ -567,15 +567,18 @@ static inline int scsi_host_is_busy(struct Scsi_Host *shost)
*/
static void scsi_run_queue(struct request_queue *q)
{
- struct scsi_device *starved_head = NULL, *sdev = q->queuedata;
+ struct scsi_device *sdev = q->queuedata;
struct Scsi_Host *shost = sdev->host;
+ LIST_HEAD(starved_list);
unsigned long flags;
if (scsi_target(sdev)->single_lun)
scsi_single_lun_run(sdev);
spin_lock_irqsave(shost->host_lock, flags);
- while (!list_empty(&shost->starved_list) && !scsi_host_is_busy(shost)) {
+ list_splice_init(&shost->starved_list, &starved_list);
+
+ while (!list_empty(&starved_list)) {
int flagset;
/*
@@ -588,24 +591,18 @@ static void scsi_run_queue(struct request_queue *q)
* scsi_request_fn must get the host_lock before checking
* or modifying starved_list or starved_entry.
*/
- sdev = list_entry(shost->starved_list.next,
- struct scsi_device, starved_entry);
- /*
- * The *queue_ready functions can add a device back onto the
- * starved list's tail, so we must check for a infinite loop.
- */
- if (sdev == starved_head)
+ if (scsi_host_is_busy(shost))
break;
- if (!starved_head)
- starved_head = sdev;
+ sdev = list_entry(starved_list.next,
+ struct scsi_device, starved_entry);
+ list_del_init(&sdev->starved_entry);
if (scsi_target_is_busy(scsi_target(sdev))) {
list_move_tail(&sdev->starved_entry,
&shost->starved_list);
continue;
}
- list_del_init(&sdev->starved_entry);
spin_unlock(shost->host_lock);
spin_lock(sdev->request_queue->queue_lock);
@@ -621,6 +618,8 @@ static void scsi_run_queue(struct request_queue *q)
spin_lock(shost->host_lock);
}
+ /* put any unprocessed entries back */
+ list_splice(&starved_list, &shost->starved_list);
spin_unlock_irqrestore(shost->host_lock, flags);
blk_run_queue(q);
diff --git a/drivers/scsi/stex.c b/drivers/scsi/stex.c
index 3790906a77d1..2fa830c0be27 100644
--- a/drivers/scsi/stex.c
+++ b/drivers/scsi/stex.c
@@ -477,7 +477,7 @@ stex_slave_config(struct scsi_device *sdev)
{
sdev->use_10_for_rw = 1;
sdev->use_10_for_ms = 1;
- sdev->timeout = 60 * HZ;
+ blk_queue_rq_timeout(sdev->request_queue, 60 * HZ);
sdev->tagged_supported = 1;
return 0;