keep_bio_blkcg feature is off by default, and it can be turned on by using "keep_bio_blkcg" argument.
Signed-off-by: Hou Tao <[email protected]> --- drivers/md/dm-thin.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/drivers/md/dm-thin.c b/drivers/md/dm-thin.c index 8178ee8..57d6202 100644 --- a/drivers/md/dm-thin.c +++ b/drivers/md/dm-thin.c @@ -2824,6 +2824,7 @@ static void pool_features_init(struct pool_features *pf) pf->discard_enabled = true; pf->discard_passdown = true; pf->error_if_no_space = false; + pf->keep_bio_blkcg = false; } static void __pool_destroy(struct pool *pool) @@ -3053,7 +3054,7 @@ static int parse_pool_features(struct dm_arg_set *as, struct pool_features *pf, const char *arg_name; static struct dm_arg _args[] = { - {0, 4, "Invalid number of pool feature arguments"}, + {0, 5, "Invalid number of pool feature arguments"}, }; /* @@ -3085,6 +3086,9 @@ static int parse_pool_features(struct dm_arg_set *as, struct pool_features *pf, else if (!strcasecmp(arg_name, "error_if_no_space")) pf->error_if_no_space = true; + else if (!strcasecmp(arg_name, "keep_bio_blkcg")) + pf->keep_bio_blkcg = true; + else { ti->error = "Unrecognised pool feature requested"; r = -EINVAL; -- 2.5.0 -- dm-devel mailing list [email protected] https://www.redhat.com/mailman/listinfo/dm-devel
