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f09313c57a
linux/block
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Jens Axboe f09313c57a block: cache inode size in bdev 
Reading the inode size brings in a new cacheline for IO submit, and
it's in the hot path being checked for every single IO. When doing
millions of IOs per core per second, this is noticeable overhead.

Cache the nr_sectors in the bdev itself.

Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
2021-10-18 14:43:23 -06:00
..
partitions block: cache inode size in bdev 2021-10-18 14:43:23 -06:00
badblocks.c treewide: Use fallthrough pseudo-keyword 2020-08-23 17:36:59 -05:00
bdev.c block: use bdev_get_queue() in bdev.c 2021-10-18 06:17:36 -06:00
bfq-cgroup.c block: move elevator.h to block/ 2021-10-18 06:17:01 -06:00
bfq-iosched.c blk-mq: Stop using pointers for blk_mq_tags bitmap tags 2021-10-18 06:17:03 -06:00
bfq-iosched.h block, bfq: cleanup the repeated declaration 2021-08-25 06:45:33 -06:00
bfq-wf2q.c block: Introduce IOPRIO_NR_LEVELS 2021-08-18 07:21:12 -06:00
bio-integrity.c block: convert the rest of block to bdev_get_queue 2021-10-18 06:17:37 -06:00
bio.c block: don't bother iter advancing a fully done bio 2021-10-18 08:50:16 -06:00
blk-cgroup-rwstat.c blk-cgroup: Fix the recursive blkg rwstat 2021-03-05 11:32:15 -07:00
blk-cgroup-rwstat.h blk-cgroup: separate out blkg_rwstat under CONFIG_BLK_CGROUP_RWSTAT 2019-11-07 12:28:13 -07:00
blk-cgroup.c block: convert the rest of block to bdev_get_queue 2021-10-18 06:17:37 -06:00
blk-core.c block: add a struct io_comp_batch argument to fops->iopoll() 2021-10-18 14:40:40 -06:00
blk-crypto-fallback.c block: move struct request to blk-mq.h 2021-10-18 06:17:02 -06:00
blk-crypto-internal.h block: move struct request to blk-mq.h 2021-10-18 06:17:02 -06:00
blk-crypto.c block: convert the rest of block to bdev_get_queue 2021-10-18 06:17:37 -06:00
blk-exec.c block: add a struct io_comp_batch argument to fops->iopoll() 2021-10-18 14:40:40 -06:00
blk-flush.c blk-mq: fix is_flush_rq 2021-08-17 20:17:34 -06:00
blk-integrity.c block: move integrity handling out of <linux/blkdev.h> 2021-10-18 06:17:02 -06:00
blk-ioc.c block: remove retry loop in ioc_release_fn() 2020-07-16 10:22:15 -06:00
blk-iocost.c block: convert the rest of block to bdev_get_queue 2021-10-18 06:17:37 -06:00
blk-iolatency.c mm: don't include <linux/blk-cgroup.h> in <linux/backing-dev.h> 2021-10-18 06:17:01 -06:00
blk-ioprio.c block: Introduce the ioprio rq-qos policy 2021-06-21 15:03:40 -06:00
blk-ioprio.h block: Introduce the ioprio rq-qos policy 2021-06-21 15:03:40 -06:00
blk-lib.c block: export blk_next_bio() 2021-06-17 15:51:20 +02:00
blk-map.c Merge branch 'akpm' (patches from Andrew) 2021-09-03 10:08:28 -07:00
blk-merge.c block: handle fast path of bio splitting inline 2021-10-18 06:17:36 -06:00
blk-mq-cpumap.c blk-mq: remove the calling of local_memory_node() 2020-10-20 07:08:17 -06:00
blk-mq-debugfs-zoned.c block: Cleanup license notice 2019-01-17 21:21:40 -07:00
blk-mq-debugfs.c block: remove some blk_mq_hw_ctx debugfs entries 2021-10-18 14:40:33 -06:00
blk-mq-debugfs.h blk-mq: no need to check return value of debugfs_create functions 2019-06-13 03:00:30 -06:00
blk-mq-pci.c block: Fix blk_mq_*_map_queues() kernel-doc headers 2019-05-31 15:12:34 -06:00
blk-mq-rdma.c block: Fix blk_mq_*_map_queues() kernel-doc headers 2019-05-31 15:12:34 -06:00
blk-mq-sched.c block: remove debugfs blk_mq_ctx dispatched/merged/completed attributes 2021-10-18 14:39:48 -06:00
blk-mq-sched.h block: store elevator state in request 2021-10-18 08:51:52 -06:00
blk-mq-sysfs.c block: remove blk-mq-sysfs dead code 2021-08-02 13:37:29 -06:00
blk-mq-tag.c block: add support for blk_mq_end_request_batch() 2021-10-18 14:40:43 -06:00
blk-mq-tag.h block: add support for blk_mq_end_request_batch() 2021-10-18 14:40:43 -06:00
blk-mq-virtio.c blk-mq: Fix typo in comment 2020-03-17 20:55:21 +01:00
blk-mq.c block: add support for blk_mq_end_request_batch() 2021-10-18 14:40:43 -06:00
blk-mq.h block: add a struct io_comp_batch argument to fops->iopoll() 2021-10-18 14:40:40 -06:00
blk-pm.c scsi: block: Fix a race in the runtime power management code 2020-12-09 11:41:41 -05:00
blk-pm.h block: Remove unused blk_pm_*() function definitions 2021-02-22 06:33:48 -07:00
blk-rq-qos.c rq-qos: fix missed wake-ups in rq_qos_throttle try two 2021-06-08 15:12:57 -06:00
blk-rq-qos.h block: only mark bio as tracked if it really is tracked 2021-10-18 08:50:47 -06:00
blk-settings.c block: add an explicit ->disk backpointer to the request_queue 2021-08-23 12:54:31 -06:00
blk-stat.c blk-stat: make q->stats->lock irqsafe 2020-09-01 16:48:46 -06:00
blk-stat.h block: deactivate blk_stat timer in wbt_disable_default() 2018-12-12 06:47:51 -07:00
blk-sysfs.c block: don't allow writing to the poll queue attribute 2021-10-18 06:17:36 -06:00
blk-throttle.c block: convert the rest of block to bdev_get_queue 2021-10-18 06:17:37 -06:00
blk-throttle.h block: move blk-throtl fast path inline 2021-10-18 06:17:03 -06:00
blk-timeout.c block: blk-timeout: delete duplicated word 2020-07-31 16:29:47 -06:00
blk-wbt.c block: add an explicit ->disk backpointer to the request_queue 2021-08-23 12:54:31 -06:00
blk-wbt.h blk-wbt: introduce a new disable state to prevent false positive by rwb_enabled() 2021-06-21 15:03:41 -06:00
blk-zoned.c blk-zoned: allow BLKREPORTZONE without CAP_SYS_ADMIN 2021-08-24 10:12:36 -06:00
blk.h block: move update request helpers into blk-mq.c 2021-10-18 08:50:28 -06:00
bounce.c mm: don't include <linux/blk-cgroup.h> in <linux/backing-dev.h> 2021-10-18 06:17:01 -06:00
bsg-lib.c scsi: bsg-lib: Fix commands without data transfer in bsg_transport_sg_io_fn() 2021-08-01 13:21:40 -04:00
bsg.c scsi: bsg: Fix device unregistration 2021-09-14 00:22:15 -04:00
disk-events.c block: return errors from disk_alloc_events 2021-08-23 12:55:45 -06:00
elevator.c blk-mq: Change shared sbitmap naming to shared tags 2021-10-18 06:17:03 -06:00
elevator.h block: move elevator.h to block/ 2021-10-18 06:17:01 -06:00
fops.c block: use bdev_nr_bytes instead of open coding it in blkdev_fallocate 2021-10-18 14:43:23 -06:00
genhd.c block: cache inode size in bdev 2021-10-18 14:43:23 -06:00
holder.c block: drop unused includes in <linux/genhd.h> 2021-10-18 06:17:02 -06:00
ioctl.c block: merge block_ioctl into blkdev_ioctl 2021-10-18 06:17:34 -06:00
ioprio.c block: fix default IO priority handling 2021-08-18 07:23:15 -06:00
Kconfig block: move menu "Partition type" to block/partitions/Kconfig 2021-10-18 06:17:35 -06:00
Kconfig.iosched block: simplify Kconfig files 2021-10-18 06:17:35 -06:00
keyslot-manager.c block: move integrity handling out of <linux/blkdev.h> 2021-10-18 06:17:02 -06:00
kyber-iosched.c blk-mq: Stop using pointers for blk_mq_tags bitmap tags 2021-10-18 06:17:03 -06:00
Makefile block: move CONFIG_BLOCK guard to top Makefile 2021-10-18 06:17:35 -06:00
mq-deadline.c blk-mq: Stop using pointers for blk_mq_tags bitmap tags 2021-10-18 06:17:03 -06:00
opal_proto.h block: sed-opal: Change the check condition for regular session validity 2020-03-12 08:00:10 -06:00
sed-opal.c block: sed-opal: Change the check condition for regular session validity 2020-03-12 08:00:10 -06:00
t10-pi.c block: move integrity handling out of <linux/blkdev.h> 2021-10-18 06:17:02 -06:00