linux/drivers/nvme
Daniel Wagner 9639296151 nvme: repack struct nvme_ns_head
ns_id, lba_shift and ms are always accessed for every read/write I/O in
nvme_setup_rw. By grouping these variables into one cacheline we can
safe some cycles.

4k sequential reads:

           baseline   patched
Bandwidth: 1620       1634
IOPs       66345579   66910939

Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: Daniel Wagner <dwagner@suse.de>
Signed-off-by: Keith Busch <kbusch@kernel.org>
2023-12-19 09:10:13 -08:00
..
common nvme: keyring: fix conditional compilation 2023-11-08 08:07:08 -08:00
host nvme: repack struct nvme_ns_head 2023-12-19 09:10:13 -08:00
target nvmet: remove cntlid_min and cntlid_max check in nvmet_alloc_ctrl 2023-12-13 14:53:33 -08:00
Kconfig nvme: implement In-Band authentication 2022-08-02 17:14:49 -06:00
Makefile nvme: common: make keyring and auth separate modules 2023-11-07 10:05:15 -08:00