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| author | Dennis Zhou (Facebook) <dennisszhou@gmail.com> | 2018-09-11 14:41:31 -0400 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2018-09-21 20:29:09 -0600 |
| commit | 74b7c02a9bc124ee3df0d77880ee26db0a325516 (patch) | |
| tree | 9600af0dbec0293940a7e0fdfea7e2b1f7dba7e3 /mm/page_io.c | |
| parent | 5bf9a1f3b4efef7e463105dde8bba4d2397909c2 (diff) | |
| download | linux-74b7c02a9bc124ee3df0d77880ee26db0a325516.tar.gz linux-74b7c02a9bc124ee3df0d77880ee26db0a325516.tar.bz2 linux-74b7c02a9bc124ee3df0d77880ee26db0a325516.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 <dennisszhou@gmail.com>
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 'mm/page_io.c')
| -rw-r--r-- | mm/page_io.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/mm/page_io.c b/mm/page_io.c index aafd19ec1db4..573d3663d846 100644 --- a/mm/page_io.c +++ b/mm/page_io.c @@ -339,7 +339,7 @@ int __swap_writepage(struct page *page, struct writeback_control *wbc, goto out; } bio->bi_opf = REQ_OP_WRITE | REQ_SWAP | wbc_to_write_flags(wbc); - bio_associate_blkcg_from_page(bio, page); + bio_associate_blkg_from_page(bio, page); count_swpout_vm_event(page); set_page_writeback(page); unlock_page(page); |