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blkcg: separate blkcg_conf_get_disk() out of blkg_conf_prep()

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Separate out blkcg_conf_get_disk() so that it can be used by blkcg
policy interface file input parsers before the policy is actually
enabled.  This doesn't introduce any functional changes.

Signed-off-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Tejun Heo
2019-08-28 15:05:53 -07:00
committed by Jens Axboe
parent 86a5bba5c2
commit 015d254cb0
2 changed files with 44 additions and 19 deletions
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include/linux/blk-cgroup.h
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@@ -234,6 +234,7 @@ struct blkg_conf_ctx {
char *body;
};
struct gendisk *blkcg_conf_get_disk(char **inputp);
int blkg_conf_prep(struct blkcg *blkcg, const struct blkcg_policy *pol,
char *input, struct blkg_conf_ctx *ctx);
void blkg_conf_finish(struct blkg_conf_ctx *ctx);