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9639296151
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>
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| .. | ||
| apple.c | ||
| auth.c | ||
| constants.c | ||
| core.c | ||
| fabrics.c | ||
| fabrics.h | ||
| fault_inject.c | ||
| fc.c | ||
| fc.h | ||
| hwmon.c | ||
| ioctl.c | ||
| Kconfig | ||
| Makefile | ||
| multipath.c | ||
| nvme.h | ||
| pci.c | ||
| pr.c | ||
| rdma.c | ||
| sysfs.c | ||
| tcp.c | ||
| trace.c | ||
| trace.h | ||
| zns.c | ||