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block: mq: Add some minor doc for core structs 

As it came up in discussion on the mailing list that the semantic
meaning of 'blk_mq_ctx' and 'blk_mq_hw_ctx' isn't completely
obvious to everyone, let's add some minimal kerneldoc for a
starter.

Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Linus Walleij 2018-04-20 10:29:51 +02:00 committed by Jens Axboe
parent e9938f552f
commit fe644072df
2 changed files with 6 additions and 0 deletions
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3
block/blk-mq.h
View File

@ -7,6 +7,9 @@
struct blk_mq_tag_set;
/**
* struct blk_mq_ctx - State for a software queue facing the submitting CPUs
*/
struct blk_mq_ctx {
struct {
spinlock_t lock;

3
include/linux/blk-mq.h
View File

@ -9,6 +9,9 @@
struct blk_mq_tags;
struct blk_flush_queue;
/**
* struct blk_mq_hw_ctx - State for a hardware queue facing the hardware block device
*/
struct blk_mq_hw_ctx {
struct {
spinlock_t lock;