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scst: Avoid that del_device suspends SCSI command processing

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scst_unregister_virtual_device() modifies scst_dev_list and removes
the LUNs associated with the virtual device being removed. Due to 
previous patches these actions can be performed safely without
suspending SCSI command processing. Hence remove the suspend and
resume activity calls from scst_unregister_virtual_device().


git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@8072 d57e44dd-8a1f-0410-8b47-8ef2f437770f
This commit is contained in:
Bart Van Assche
2019-03-25 16:46:43 +00:00
parent 6a6c844545
commit 50bb06cc55
2 changed files with 0 additions and 4 deletions
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scst/src/scst_copy_mgr.c
-2
View File
@@ -2727,12 +2727,10 @@ out:
return res;
}
/* scst_mutex supposed to be held and activities suspended */
void scst_cm_on_dev_unregister(struct scst_device *dev)
{
TRACE_ENTRY();
scst_assert_activity_suspended();
lockdep_assert_held(&scst_mutex);
scst_cm_dev_unregister(dev, true);
scst/src/scst_main.c
-2
View File
@@ -1444,7 +1444,6 @@ void scst_unregister_virtual_device(int id,
TRACE_ENTRY();
scst_suspend_activity(SCST_SUSPEND_TIMEOUT_UNLIMITED);
mutex_lock(&scst_mutex);
list_for_each_entry(d, &scst_dev_list, dev_list_entry) {
@@ -1475,7 +1474,6 @@ void scst_unregister_virtual_device(int id,
}
mutex_unlock(&scst_mutex);
scst_resume_activity();
scst_dev_sysfs_del(dev);