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scst: Do not suspend command processing when deleting a device

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Now that freeing a device only happens after all commands associated
with the device have finished it is safe to not suspend command
processing when deleting a device.


git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@8067 d57e44dd-8a1f-0410-8b47-8ef2f437770f
This commit is contained in:
Bart Van Assche
2019-03-22 02:26:44 +00:00
parent a94c8eaf0f
commit 3f2d50b589
1 changed files with 0 additions and 18 deletions
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18
scst/src/scst_main.c
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@@ -1182,25 +1182,12 @@ static void scst_unregister_device(struct scsi_device *scsidp)
{
struct scst_device *dev;
struct scst_acg_dev *acg_dev, *aa;
bool activity_suspended = false;
TRACE_ENTRY();
mutex_lock(&scst_mutex);
dev = __scst_lookup_device(scsidp);
if (dev &&
(!list_empty(&dev->dev_tgt_dev_list) ||
!list_empty(&dev->dev_acg_dev_list))) {
mutex_unlock(&scst_mutex);
scst_suspend_activity(SCST_SUSPEND_TIMEOUT_UNLIMITED);
activity_suspended = true;
mutex_lock(&scst_mutex);
dev = __scst_lookup_device(scsidp);
}
if (dev == NULL) {
PRINT_ERROR("SCST device for SCSI device %d:%d:%d:%lld not found",
scsidp->host->host_no, scsidp->channel, scsidp->id,
@@ -1225,9 +1212,6 @@ static void scst_unregister_device(struct scsi_device *scsidp)
mutex_unlock(&scst_mutex);
if (activity_suspended)
scst_resume_activity();
scst_dev_sysfs_del(dev);
PRINT_INFO("Detached from scsi%d, channel %d, id %d, lun %lld, type %d",
@@ -1242,8 +1226,6 @@ out:
out_unlock:
mutex_unlock(&scst_mutex);
if (activity_suspended)
scst_resume_activity();
goto out;
}