lk/linux-kernel-test
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

[SCSI] fusion: target reset when drive is being removed

Browse Source 
The issuing of the target reset
used in device hot removal case so the
firmware queue is flushed out off outstanding
commands.

Signed-off-by: Eric Moore <Eric.Moore@lsil.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
This commit is contained in:
Moore, Eric
2006-01-25 18:05:12 -07:00
committed by James Bottomley
parent c73787eecd
commit 7d3eecf7b2
1 changed files with 23 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

24
drivers/message/fusion/mptsas.c
View File

@@ -324,6 +324,7 @@ mptsas_slave_destroy(struct scsi_device *sdev)
struct sas_rphy *rphy; struct sas_rphy *rphy;
struct mptsas_portinfo *p; struct mptsas_portinfo *p;
int i; int i;
VirtDevice *vdev;
/* /*
* Handle hotplug removal case. * Handle hotplug removal case.
@@ -347,8 +348,29 @@ mptsas_slave_destroy(struct scsi_device *sdev)
out: out:
mutex_unlock(&hd->ioc->sas_topology_mutex); mutex_unlock(&hd->ioc->sas_topology_mutex);
/* /*
* TODO: Issue target reset to flush firmware outstanding commands. * Issue target reset to flush firmware outstanding commands.
*/ */
vdev = sdev->hostdata;
if (vdev->configured_lun){
if (mptscsih_TMHandler(hd,
MPI_SCSITASKMGMT_TASKTYPE_TARGET_RESET,
vdev->bus_id,
vdev->target_id,
0, 0, 5 /* 5 second timeout */)
< 0){
/* The TM request failed!
* Fatal error case.
*/
printk(MYIOC_s_WARN_FMT
"Error processing TaskMgmt id=%d TARGET_RESET\n",
hd->ioc->name,
vdev->target_id);
hd->tmPending = 0;
hd->tmState = TM_STATE_NONE;
}
}
mptscsih_slave_destroy(sdev); mptscsih_slave_destroy(sdev);
} }