If keep_bio_blkcg feature is enabled, we can ensure that
by STATUSTYPE_TABLE or STATUSTYPE_INFO command.
Signed-off-by: Hou Tao <houtao1@xxxxxxxxxx>
---
drivers/md/dm-thin.c | 8 +++++++-
1 file changed, 7 insertions(+), 1 deletion(-)
diff --git a/drivers/md/dm-thin.c b/drivers/md/dm-thin.c
index 57d6202..140cdae 100644
--- a/drivers/md/dm-thin.c
+++ b/drivers/md/dm-thin.c
@@ -3760,7 +3760,7 @@ static void emit_flags(struct pool_features *pf, char *result,
{
unsigned count = !pf->zero_new_blocks + !pf->discard_enabled +
!pf->discard_passdown + (pf->mode == PM_READ_ONLY) +
- pf->error_if_no_space;
+ pf->error_if_no_space + pf->keep_bio_blkcg;
DMEMIT("%u ", count);
if (!pf->zero_new_blocks)
@@ -3777,6 +3777,9 @@ static void emit_flags(struct pool_features *pf, char *result,
if (pf->error_if_no_space)
DMEMIT("error_if_no_space ");
+
+ if (pf->keep_bio_blkcg)
+ DMEMIT("keep_bio_blkcg ");
}
/*
@@ -3885,6 +3888,9 @@ static void pool_status(struct dm_target *ti, status_type_t type,
else
DMEMIT("queue_if_no_space ");
+ if (pool->pf.keep_bio_blkcg)
+ DMEMIT("keep_bio_blkcg ");
+
if (dm_pool_metadata_needs_check(pool->pmd))
DMEMIT("needs_check ");
else
--
2.5.0
--
To unsubscribe from this list: send the line "unsubscribe linux-block" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
