diff options
| author | Peter Oberparleiter <oberpar@linux.vnet.ibm.com> | 2013-11-26 15:00:37 +0100 |
|---|---|---|
| committer | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2013-12-16 14:37:43 +0100 |
| commit | e6b2551425d961e68e70e806e22ec40787f7ed67 (patch) | |
| tree | e1f259deec3a9d69bd13b82ab681b029e940b1e1 /drivers/s390 | |
| parent | s390/css: Prevent unnecessary allocation in subchannel loop (diff) | |
| download | linux-e6b2551425d961e68e70e806e22ec40787f7ed67.tar.xz linux-e6b2551425d961e68e70e806e22ec40787f7ed67.zip | |
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: Peter Oberparleiter <oberpar@linux.vnet.ibm.com>
Reviewed-by: Sebastian Ott <sebott@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'drivers/s390')
| -rw-r--r-- | drivers/s390/cio/blacklist.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/s390/cio/blacklist.c b/drivers/s390/cio/blacklist.c index 77ee4daec206..b3f791b2c1f8 100644 --- a/drivers/s390/cio/blacklist.c +++ b/drivers/s390/cio/blacklist.c @@ -260,16 +260,16 @@ static int blacklist_parse_proc_parameters(char *buf) parm = strsep(&buf, " "); - if (strcmp("free", parm) == 0) + if (strcmp("free", parm) == 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); else if (strcmp("purge", parm) == 0) return ccw_purge_blacklisted(); else return -EINVAL; - css_schedule_eval_all_unreg(0); return rc; } |