From bc5fee91f26d8d1428fb744e5ad04b1417a85197 Mon Sep 17 00:00:00 2001 From: Christoph Hellwig Date: Wed, 20 Apr 2022 06:27:20 +0200 Subject: blk-cgroup: move blkcg_css to blk-cgroup.c blkcg_css is only used in blk-cgroup.c, so move it there. Signed-off-by: Christoph Hellwig Acked-by: Tejun Heo Link: https://lore.kernel.org/r/20220420042723.1010598-13-hch@lst.de Signed-off-by: Jens Axboe --- block/blk-cgroup.c | 17 +++++++++++++++++ block/blk-cgroup.h | 17 ----------------- 2 files changed, 17 insertions(+), 17 deletions(-) (limited to 'block') diff --git a/block/blk-cgroup.c b/block/blk-cgroup.c index 8e32cc494808..8da00ddc1766 100644 --- a/block/blk-cgroup.c +++ b/block/blk-cgroup.c @@ -59,6 +59,23 @@ static struct workqueue_struct *blkcg_punt_bio_wq; #define BLKG_DESTROY_BATCH_SIZE 64 +/** + * blkcg_css - find the current css + * + * Find the css associated with either the kthread or the current task. + * This may return a dying css, so it is up to the caller to use tryget logic + * to confirm it is alive and well. + */ +static struct cgroup_subsys_state *blkcg_css(void) +{ + struct cgroup_subsys_state *css; + + css = kthread_blkcg(); + if (css) + return css; + return task_css(current, io_cgrp_id); +} + static bool blkcg_policy_enabled(struct request_queue *q, const struct blkcg_policy *pol) { diff --git a/block/blk-cgroup.h b/block/blk-cgroup.h index 62ed8ed50b6e..bb670e53a1de 100644 --- a/block/blk-cgroup.h +++ b/block/blk-cgroup.h @@ -210,23 +210,6 @@ 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); -/** - * blkcg_css - find the current css - * - * Find the css associated with either the kthread or the current task. - * This may return a dying css, so it is up to the caller to use tryget logic - * to confirm it is alive and well. - */ -static inline struct cgroup_subsys_state *blkcg_css(void) -{ - struct cgroup_subsys_state *css; - - css = kthread_blkcg(); - if (css) - return css; - return task_css(current, io_cgrp_id); -} - /** * bio_issue_as_root_blkg - see if this bio needs to be issued as root blkg * @return: true if this bio needs to be submitted with the root blkg context. -- cgit v1.2.3