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| author |   Dennis Zhou <dennis@kernel.org> | 2018-12-05 12:10:33 -0500 |
|---|---|---|
| committer |   Jens Axboe <axboe@kernel.dk> | 2018-12-07 22:26:37 -0700 |
| commit | 6a7f6d86a561473032287c8e4583eac5853c6efa (patch) | |
| tree | 32c54f20a3396c9da84e40625d2423821caa3556 /include/linux/bio.h | |
| parent | blkcg: consolidate bio_issue_init() to be a part of core (diff) | |
| download | linux-dev-6a7f6d86a561473032287c8e4583eac5853c6efa.tar.xz linux-dev-6a7f6d86a561473032287c8e4583eac5853c6efa.zip | |
blkcg: associate a blkg for pages being evicted by swap
A prior patch in this series added blkg association to bios issued by
cgroups. There are two other paths that we want to attribute work back
to the appropriate cgroup: swap and writeback. Here we modify the way
swap tags bios to include the blkg. Writeback will be tackle in the next
patch.
Signed-off-by: Dennis Zhou <dennis@kernel.org>
Reviewed-by: Josef Bacik <josef@toxicpanda.com>
Acked-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'include/linux/bio.h')
| -rw-r--r-- | include/linux/bio.h | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/include/linux/bio.h b/include/linux/bio.h index 6ee2ea8b378a..f13572c254a7 100644 --- a/include/linux/bio.h +++ b/include/linux/bio.h @@ -505,10 +505,10 @@ do { \ disk_devt((bio)->bi_disk) #if defined(CONFIG_MEMCG) && defined(CONFIG_BLK_CGROUP) -int bio_associate_blkcg_from_page(struct bio *bio, struct page *page); +void bio_associate_blkg_from_page(struct bio *bio, struct page *page); #else -static inline int bio_associate_blkcg_from_page(struct bio *bio, - struct page *page) { return 0; } +static inline void bio_associate_blkg_from_page(struct bio *bio, + struct page *page) { } #endif #ifdef CONFIG_BLK_CGROUP |