Commit e6b25514 authored by Peter Oberparleiter's avatar Peter Oberparleiter Committed by Martin Schwidefsky

s390/blacklist: Perform subchannel scan only when needed

Move scheduling of a subchannel scan to those instances where new
devices may actually have become available. This reduces unnecessary
scan work in case devices were added to the blacklist.
Signed-off-by: default avatarPeter Oberparleiter <oberpar@linux.vnet.ibm.com>
Reviewed-by: default avatarSebastian Ott <sebott@linux.vnet.ibm.com>
Signed-off-by: default avatarMartin Schwidefsky <schwidefsky@de.ibm.com>
parent 47d30674
...@@ -260,16 +260,16 @@ static int blacklist_parse_proc_parameters(char *buf) ...@@ -260,16 +260,16 @@ static int blacklist_parse_proc_parameters(char *buf)
parm = strsep(&buf, " "); parm = strsep(&buf, " ");
if (strcmp("free", parm) == 0) if (strcmp("free", parm) == 0) {
rc = blacklist_parse_parameters(buf, free, 0); rc = blacklist_parse_parameters(buf, free, 0);
else if (strcmp("add", parm) == 0) css_schedule_eval_all_unreg(0);
} else if (strcmp("add", parm) == 0)
rc = blacklist_parse_parameters(buf, add, 0); rc = blacklist_parse_parameters(buf, add, 0);
else if (strcmp("purge", parm) == 0) else if (strcmp("purge", parm) == 0)
return ccw_purge_blacklisted(); return ccw_purge_blacklisted();
else else
return -EINVAL; return -EINVAL;
css_schedule_eval_all_unreg(0);
return rc; return rc;
} }
......
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