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authorTejun Heo <tj@kernel.org>2014-09-08 09:51:30 +0900
committerTejun Heo <tj@kernel.org>2014-09-08 09:51:30 +0900
commita34375ef9e65340a138fc0be287de5c940d260fc (patch)
tree2e21b63d7c9240620a59090aa97e1d7c6df95b8c /block/blk-mq.c
parent20ae00792c6f1f18fc4fc5965445a145df92827e (diff)
downloadop-kernel-dev-a34375ef9e65340a138fc0be287de5c940d260fc.zip
op-kernel-dev-a34375ef9e65340a138fc0be287de5c940d260fc.tar.gz
percpu-refcount: add @gfp to percpu_ref_init()
Percpu allocator now supports allocation mask. Add @gfp to percpu_ref_init() so that !GFP_KERNEL allocation masks can be used with percpu_refs too. This patch doesn't make any functional difference. v2: blk-mq conversion was missing. Updated. Signed-off-by: Tejun Heo <tj@kernel.org> Cc: Kent Overstreet <koverstreet@google.com> Cc: Benjamin LaHaise <bcrl@kvack.org> Cc: Li Zefan <lizefan@huawei.com> Cc: Nicholas A. Bellinger <nab@linux-iscsi.org> Cc: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'block/blk-mq.c')
-rw-r--r--block/blk-mq.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/block/blk-mq.c b/block/blk-mq.c
index 5189cb1..702df07 100644
--- a/block/blk-mq.c
+++ b/block/blk-mq.c
@@ -1776,7 +1776,8 @@ struct request_queue *blk_mq_init_queue(struct blk_mq_tag_set *set)
if (!q)
goto err_hctxs;
- if (percpu_ref_init(&q->mq_usage_counter, blk_mq_usage_counter_release))
+ if (percpu_ref_init(&q->mq_usage_counter, blk_mq_usage_counter_release,
+ GFP_KERNEL))
goto err_map;
setup_timer(&q->timeout, blk_mq_rq_timer, (unsigned long) q);
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