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| author |   Jens Axboe <axboe@fb.com> | 2015-01-07 10:44:04 -0700 |
|---|---|---|
| committer | Jens Axboe <axboe@fb.com> | 2015-01-07 10:44:04 -0700 |
| commit | 17ded320706c6316376059cfbe9dccab32c62b42 (patch) | |
| tree | 86301826f0fe57700c97828bf9fc2657c11c0c4e /include | |
| parent | block: fix checking return value of blk_mq_init_queue (diff) | |
| download | linux-dev-17ded320706c6316376059cfbe9dccab32c62b42.tar.xz linux-dev-17ded320706c6316376059cfbe9dccab32c62b42.zip | |
blk-mq: get rid of ->cmd_size in the hardware queue
We store it in the tag set, we don't need it in the hardware queue.
While removing cmd_size, place ->queue_num further down to avoid
a hole on 64-bit archs. It's not used in any fast paths, so we
can safely move it.
Signed-off-by: Jens Axboe <axboe@fb.com>
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/blk-mq.h | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/include/linux/blk-mq.h b/include/linux/blk-mq.h index 3b43f509432c..d0de259e92b2 100644 --- a/include/linux/blk-mq.h +++ b/include/linux/blk-mq.h @@ -34,7 +34,6 @@ struct blk_mq_hw_ctx { unsigned long flags; /* BLK_MQ_F_* flags */ struct request_queue *queue; - unsigned int queue_num; struct blk_flush_queue *fq; void *driver_data; @@ -54,7 +53,7 @@ struct blk_mq_hw_ctx { unsigned long dispatched[BLK_MQ_MAX_DISPATCH_ORDER]; unsigned int numa_node; - unsigned int cmd_size; /* per-request extra data */ + unsigned int queue_num; atomic_t nr_active; |