summaryrefslogtreecommitdiff
path: root/include/linux/bio.h
diff options
context:
space:
mode:
authorDennis Zhou <dennis@kernel.org>2018-11-02 00:24:10 +0300
committerJens Axboe <axboe@kernel.dk>2018-11-02 04:59:53 +0300
commitb5f2954d30c77649bce9c27e7a0a94299d9cfdf8 (patch)
treef5dd932dc087c3a60410e82c70be1daf92d350a7 /include/linux/bio.h
parent153fcd5f6d93b8e1e4040b1337f564a10f8d93af (diff)
downloadlinux-b5f2954d30c77649bce9c27e7a0a94299d9cfdf8.tar.xz
blkcg: revert blkcg cleanups series
This reverts a series committed earlier due to null pointer exception bug report in [1]. It seems there are edge case interactions that I did not consider and will need some time to understand what causes the adverse interactions. The original series can be found in [2] with a follow up series in [3]. [1] https://www.spinics.net/lists/cgroups/msg20719.html [2] https://lore.kernel.org/lkml/20180911184137.35897-1-dennisszhou@gmail.com/ [3] https://lore.kernel.org/lkml/20181020185612.51587-1-dennis@kernel.org/ This reverts the following commits: d459d853c2ed, b2c3fa546705, 101246ec02b5, b3b9f24f5fcc, e2b0989954ae, f0fcb3ec89f3, c839e7a03f92, bdc2491708c4, 74b7c02a9bc1, 5bf9a1f3b4ef, a7b39b4e961c, 07b05bcc3213, 49f4c2dc2b50, 27e6fa996c53 Signed-off-by: Dennis Zhou <dennis@kernel.org> Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'include/linux/bio.h')
-rw-r--r--include/linux/bio.h26
1 files changed, 9 insertions, 17 deletions
diff --git a/include/linux/bio.h b/include/linux/bio.h
index b47c7f716731..056fb627edb3 100644
--- a/include/linux/bio.h
+++ b/include/linux/bio.h
@@ -503,31 +503,23 @@ do { \
disk_devt((bio)->bi_disk)
#if defined(CONFIG_MEMCG) && defined(CONFIG_BLK_CGROUP)
-int bio_associate_blkg_from_page(struct bio *bio, struct page *page);
+int bio_associate_blkcg_from_page(struct bio *bio, struct page *page);
#else
-static inline int bio_associate_blkg_from_page(struct bio *bio,
- struct page *page) { return 0; }
+static inline int bio_associate_blkcg_from_page(struct bio *bio,
+ struct page *page) { return 0; }
#endif
#ifdef CONFIG_BLK_CGROUP
+int bio_associate_blkcg(struct bio *bio, struct cgroup_subsys_state *blkcg_css);
int bio_associate_blkg(struct bio *bio, struct blkcg_gq *blkg);
-int bio_associate_blkg_from_css(struct bio *bio,
- struct cgroup_subsys_state *css);
-int bio_associate_create_blkg(struct request_queue *q, struct bio *bio);
-int bio_reassociate_blkg(struct request_queue *q, struct bio *bio);
void bio_disassociate_task(struct bio *bio);
-void bio_clone_blkg_association(struct bio *dst, struct bio *src);
+void bio_clone_blkcg_association(struct bio *dst, struct bio *src);
#else /* CONFIG_BLK_CGROUP */
-static inline int bio_associate_blkg_from_css(struct bio *bio,
- struct cgroup_subsys_state *css)
-{ return 0; }
-static inline int bio_associate_create_blkg(struct request_queue *q,
- struct bio *bio) { return 0; }
-static inline int bio_reassociate_blkg(struct request_queue *q, struct bio *bio)
-{ return 0; }
+static inline int bio_associate_blkcg(struct bio *bio,
+ struct cgroup_subsys_state *blkcg_css) { return 0; }
static inline void bio_disassociate_task(struct bio *bio) { }
-static inline void bio_clone_blkg_association(struct bio *dst,
- struct bio *src) { }
+static inline void bio_clone_blkcg_association(struct bio *dst,
+ struct bio *src) { }
#endif /* CONFIG_BLK_CGROUP */
#ifdef CONFIG_HIGHMEM