diff options
-rw-r--r-- | drivers/md/dm-stripe.c | 23 |
1 files changed, 22 insertions, 1 deletions
diff --git a/drivers/md/dm-stripe.c b/drivers/md/dm-stripe.c index 7c5e2a0c3f2d..4de90ab3968b 100644 --- a/drivers/md/dm-stripe.c +++ b/drivers/md/dm-stripe.c | |||
@@ -222,16 +222,37 @@ static int stripe_map(struct dm_target *ti, struct bio *bio, | |||
222 | return DM_MAPIO_REMAPPED; | 222 | return DM_MAPIO_REMAPPED; |
223 | } | 223 | } |
224 | 224 | ||
225 | /* | ||
226 | * Stripe status: | ||
227 | * | ||
228 | * INFO | ||
229 | * #stripes [stripe_name <stripe_name>] [group word count] | ||
230 | * [error count 'A|D' <error count 'A|D'>] | ||
231 | * | ||
232 | * TABLE | ||
233 | * #stripes [stripe chunk size] | ||
234 | * [stripe_name physical_start <stripe_name physical_start>] | ||
235 | * | ||
236 | */ | ||
237 | |||
225 | static int stripe_status(struct dm_target *ti, | 238 | static int stripe_status(struct dm_target *ti, |
226 | status_type_t type, char *result, unsigned int maxlen) | 239 | status_type_t type, char *result, unsigned int maxlen) |
227 | { | 240 | { |
228 | struct stripe_c *sc = (struct stripe_c *) ti->private; | 241 | struct stripe_c *sc = (struct stripe_c *) ti->private; |
242 | char buffer[sc->stripes + 1]; | ||
229 | unsigned int sz = 0; | 243 | unsigned int sz = 0; |
230 | unsigned int i; | 244 | unsigned int i; |
231 | 245 | ||
232 | switch (type) { | 246 | switch (type) { |
233 | case STATUSTYPE_INFO: | 247 | case STATUSTYPE_INFO: |
234 | result[0] = '\0'; | 248 | DMEMIT("%d ", sc->stripes); |
249 | for (i = 0; i < sc->stripes; i++) { | ||
250 | DMEMIT("%s ", sc->stripe[i].dev->name); | ||
251 | buffer[i] = atomic_read(&(sc->stripe[i].error_count)) ? | ||
252 | 'D' : 'A'; | ||
253 | } | ||
254 | buffer[i] = '\0'; | ||
255 | DMEMIT("1 %s", buffer); | ||
235 | break; | 256 | break; |
236 | 257 | ||
237 | case STATUSTYPE_TABLE: | 258 | case STATUSTYPE_TABLE: |