summaryrefslogtreecommitdiff
path: root/drivers/md
diff options
context:
space:
mode:
authorMike Snitzer <snitzer@redhat.com>2015-07-15 15:42:59 (GMT)
committerMike Snitzer <snitzer@redhat.com>2015-07-16 14:23:50 (GMT)
commit255eac20054e90ac7a52b3e179b61de1168a8fe6 (patch)
tree0e3cba0cdb7a09930b1931ece156c32c52e16dad /drivers/md
parente4c78e210daea17f82f12037005df225e22189b9 (diff)
downloadlinux-255eac20054e90ac7a52b3e179b61de1168a8fe6.tar.xz
dm cache: display 'needs_check' in status if it is set
There is currently no way to see that the needs_check flag has been set in the metadata. Display 'needs_check' in the cache status if it is set in the cache metadata. Also, update cache documentation. Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Diffstat (limited to 'drivers/md')
-rw-r--r--drivers/md/dm-cache-target.c9
1 files changed, 7 insertions, 2 deletions
diff --git a/drivers/md/dm-cache-target.c b/drivers/md/dm-cache-target.c
index 1b4e175..4afa34d 100644
--- a/drivers/md/dm-cache-target.c
+++ b/drivers/md/dm-cache-target.c
@@ -3496,7 +3496,7 @@ static void cache_resume(struct dm_target *ti)
* <#demotions> <#promotions> <#dirty>
* <#features> <features>*
* <#core args> <core args>
- * <policy name> <#policy args> <policy args>* <cache metadata mode>
+ * <policy name> <#policy args> <policy args>* <cache metadata mode> <needs_check>
*/
static void cache_status(struct dm_target *ti, status_type_t type,
unsigned status_flags, char *result, unsigned maxlen)
@@ -3582,6 +3582,11 @@ static void cache_status(struct dm_target *ti, status_type_t type,
else
DMEMIT("rw ");
+ if (dm_cache_metadata_needs_check(cache->cmd))
+ DMEMIT("needs_check ");
+ else
+ DMEMIT("- ");
+
break;
case STATUSTYPE_TABLE:
@@ -3820,7 +3825,7 @@ static void cache_io_hints(struct dm_target *ti, struct queue_limits *limits)
static struct target_type cache_target = {
.name = "cache",
- .version = {1, 7, 0},
+ .version = {1, 8, 0},
.module = THIS_MODULE,
.ctr = cache_ctr,
.dtr = cache_dtr,