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, return DM_MAPIO_REMAPPED; } +/* + * Stripe status: + * + * INFO + * #stripes [stripe_name <stripe_name>] [group word count] + * [error count 'A|D' <error count 'A|D'>] + * + * TABLE + * #stripes [stripe chunk size] + * [stripe_name physical_start <stripe_name physical_start>] + * + */ + static int stripe_status(struct dm_target *ti, status_type_t type, char *result, unsigned int maxlen) { struct stripe_c *sc = (struct stripe_c *) ti->private; + char buffer[sc->stripes + 1]; unsigned int sz = 0; unsigned int i; switch (type) { case STATUSTYPE_INFO: - result[0] = '\0'; + DMEMIT("%d ", sc->stripes); + for (i = 0; i < sc->stripes; i++) { + DMEMIT("%s ", sc->stripe[i].dev->name); + buffer[i] = atomic_read(&(sc->stripe[i].error_count)) ? + 'D' : 'A'; + } + buffer[i] = '\0'; + DMEMIT("1 %s", buffer); break; case STATUSTYPE_TABLE: |