aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/s390/cio/blacklist.c
diff options
context:
space:
mode:
authorPeter Oberparleiter <peter.oberparleiter@de.ibm.com>2006-06-29 08:57:03 -0400
committerMartin Schwidefsky <schwidefsky@de.ibm.com>2006-06-29 08:57:03 -0400
commit40154b824331cd9c81c06545761338f3d80a36e2 (patch)
treeda4d06f7b09150e1c34b543d5300c3948e284a70 /drivers/s390/cio/blacklist.c
parent887ab5992925736ab23985c35f8149739e9de354 (diff)
[S390] cio async subchannel reprobe.
Changes in the DASD driver require an asynchronous implementation of the subchannel reprobe loop. This loop was so far only used by the blacklisting mechanism but is now available to all CCW device drivers. Signed-off-by: Peter Oberparleiter <peter.oberparleiter@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'drivers/s390/cio/blacklist.c')
-rw-r--r--drivers/s390/cio/blacklist.c35
1 files changed, 1 insertions, 34 deletions
diff --git a/drivers/s390/cio/blacklist.c b/drivers/s390/cio/blacklist.c
index 0960bef7b199..15b895496a45 100644
--- a/drivers/s390/cio/blacklist.c
+++ b/drivers/s390/cio/blacklist.c
@@ -224,39 +224,6 @@ is_blacklisted (int ssid, int devno)
224} 224}
225 225
226#ifdef CONFIG_PROC_FS 226#ifdef CONFIG_PROC_FS
227static int
228__s390_redo_validation(struct subchannel_id schid, void *data)
229{
230 int ret;
231 struct subchannel *sch;
232
233 sch = get_subchannel_by_schid(schid);
234 if (sch) {
235 /* Already known. */
236 put_device(&sch->dev);
237 return 0;
238 }
239 ret = css_probe_device(schid);
240 if (ret == -ENXIO)
241 return ret; /* We're through. */
242 if (ret == -ENOMEM)
243 /* Stop validation for now. Bad, but no need for a panic. */
244 return ret;
245 return 0;
246}
247
248/*
249 * Function: s390_redo_validation
250 * Look for no longer blacklisted devices
251 * FIXME: there must be a better way to do this */
252static inline void
253s390_redo_validation (void)
254{
255 CIO_TRACE_EVENT (0, "redoval");
256
257 for_each_subchannel(__s390_redo_validation, NULL);
258}
259
260/* 227/*
261 * Function: blacklist_parse_proc_parameters 228 * Function: blacklist_parse_proc_parameters
262 * parse the stuff which is piped to /proc/cio_ignore 229 * parse the stuff which is piped to /proc/cio_ignore
@@ -281,7 +248,7 @@ blacklist_parse_proc_parameters (char *buf)
281 return; 248 return;
282 } 249 }
283 250
284 s390_redo_validation (); 251 css_schedule_reprobe();
285} 252}
286 253
287/* Iterator struct for all devices. */ 254/* Iterator struct for all devices. */