summaryrefslogtreecommitdiffstats
path: root/block/blk-cgroup.h
diff options
context:
space:
mode:
authorChristoph Hellwig <hch@lst.de>2022-04-20 06:27:20 +0200
committerJens Axboe <axboe@kernel.dk>2022-05-02 14:06:20 -0600
commitbc5fee91f26d8d1428fb744e5ad04b1417a85197 (patch)
tree9fdbe1a53592360684a20df76412e8856546cc0c /block/blk-cgroup.h
parentc97ab271576dec2170e7b804cb05f7617b30fed9 (diff)
downloadlinux-bc5fee91f26d8d1428fb744e5ad04b1417a85197.tar.gz
linux-bc5fee91f26d8d1428fb744e5ad04b1417a85197.tar.bz2
linux-bc5fee91f26d8d1428fb744e5ad04b1417a85197.zip
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 <hch@lst.de> Acked-by: Tejun Heo <tj@kernel.org> Link: https://lore.kernel.org/r/20220420042723.1010598-13-hch@lst.de Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'block/blk-cgroup.h')
-rw-r--r--block/blk-cgroup.h17
1 files changed, 0 insertions, 17 deletions
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
@@ -211,23 +211,6 @@ int blkg_conf_prep(struct blkcg *blkcg, const struct blkcg_policy *pol,
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.
*