aboutsummaryrefslogtreecommitdiff
path: root/drivers/md/dm-stripe.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/md/dm-stripe.c')
-rw-r--r--drivers/md/dm-stripe.c23
1 files changed, 22 insertions, 1 deletions
diff --git a/drivers/md/dm-stripe.c b/drivers/md/dm-stripe.c
index 7c5e2a0c3f2..4de90ab3968 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: