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a3166c5170
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Yu Kuai a3166c5170 blk-throttle: delay initialization until configuration 
Other cgroup policy like bfq, iocost are lazy-initialized when they are
configured for the first time for the device, but blk-throttle is
initialized unconditionally from blkcg_init_disk().

Delay initialization of blk-throttle as well, to save some cpu and
memory overhead if it's not configured.

Noted that once it's initialized, it can't be destroyed until disk
removal, even if it's disabled.

Signed-off-by: Yu Kuai <yukuai3@huawei.com>
Link: https://lore.kernel.org/r/20240509121107.3195568-3-yukuai1@huaweicloud.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
2024-05-09 09:44:56 -06:00
..
partitions block: fix and simplify blkdevparts= cmdline parsing 2024-05-03 09:57:53 -06:00
badblocks.c badblocks: avoid checking invalid range in badblocks_check() 2023-12-23 18:38:08 -07:00
bdev.c fs,block: get holder during claim 2024-03-18 10:32:44 +01:00
bfq-cgroup.c block: add blk_time_get_ns() and blk_time_get() helpers 2024-02-05 10:07:22 -07:00
bfq-iosched.c block: add blk_time_get_ns() and blk_time_get() helpers 2024-02-05 10:07:22 -07:00
bfq-iosched.h block, bfq: remove BFQ_WEIGHT_LEGACY_DFL 2023-04-06 16:17:32 -06:00
bfq-wf2q.c block, bfq: inject I/O to underutilized actuators 2023-01-29 15:18:33 -07:00
bio-integrity.c block: support PI at non-zero offset within metadata 2024-02-12 08:49:31 -07:00
bio.c blk-throttle: remove CONFIG_BLK_DEV_THROTTLING_LOW 2024-05-09 09:44:55 -06:00
blk-cgroup-fc-appid.c block: Replace all non-returning strlcpy with strscpy 2023-06-01 09:13:31 -06:00
blk-cgroup-rwstat.c blk-cgroup: use group allocation/free of per-cpu counters API 2024-04-03 09:10:17 -06:00
blk-cgroup-rwstat.h block: Use the new blk_opf_t type 2022-07-14 12:14:30 -06:00
blk-cgroup.c blk-throttle: delay initialization until configuration 2024-05-09 09:44:56 -06:00
blk-cgroup.h block: move cgroup time handling code into blk.h 2024-02-05 10:07:17 -07:00
blk-core.c block: support to account io_ticks precisely 2024-05-09 07:59:44 -06:00
blk-crypto-fallback.c block, fs: Restore the per-bio/request data lifetime fields 2024-02-06 14:31:05 +01:00
blk-crypto-internal.h blk-crypto: remove blk_crypto_insert_cloned_request() 2023-03-16 09:35:09 -06:00
blk-crypto-profile.c blk-crypto: use dynamic lock class for blk_crypto_profile::lock 2023-07-05 16:36:12 -06:00
blk-crypto-sysfs.c block: make kobj_type structures constant 2023-02-09 09:38:16 -07:00
blk-crypto.c blk-crypto: make blk_crypto_evict_key() more robust 2023-03-16 09:35:09 -06:00
blk-flush.c block: Fix flush request sector restore 2024-05-01 08:08:43 -06:00
blk-ia-ranges.c block: make kobj_type structures constant 2023-02-09 09:38:16 -07:00
blk-integrity.c block: support PI at non-zero offset within metadata 2024-02-12 08:49:31 -07:00
blk-ioc.c blk-ioc: fix recursive spin_lock/unlock_irq() in ioc_clear_queue() 2023-06-07 07:51:00 -06:00
blk-iocost.c for-6.9/block-20240310 2024-03-11 11:43:44 -07:00
blk-iolatency.c block: add blk_time_get_ns() and blk_time_get() helpers 2024-02-05 10:07:22 -07:00
blk-ioprio.c blk-ioprio: Introduce promote-to-rt policy 2023-06-06 22:26:26 -06:00
blk-ioprio.h blk-ioprio: pass a gendisk to blk_ioprio_init and blk_ioprio_exit 2022-09-26 19:09:31 -06:00
blk-lib.c block: add a blk_alloc_discard_bio helper 2024-05-07 07:29:42 -06:00
blk-map.c block: Fix WARNING in _copy_from_iter 2024-01-23 08:56:55 -07:00
blk-merge.c block: support to account io_ticks precisely 2024-05-09 07:59:44 -06:00
blk-mq-cpumap.c blk-mq: include <linux/blk-mq.h> in block/blk-mq.h 2023-04-13 06:52:29 -06:00
blk-mq-debugfs.c block: Remove zone write locking 2024-04-17 08:44:03 -06:00
blk-mq-debugfs.h block: Replace zone_wlock debugfs entry with zone_wplugs entry 2024-04-17 08:44:03 -06:00
blk-mq-pci.c blk-mq: include <linux/blk-mq.h> in block/blk-mq.h 2023-04-13 06:52:29 -06:00
blk-mq-sched.c blk-mq: Remove the hctx 'run' debugfs attribute 2024-01-17 14:16:34 -07:00
blk-mq-sched.h blk-mq: make sure elevator callbacks aren't called for passthrough request 2023-05-18 19:42:54 -06:00
blk-mq-sysfs.c blk-mq: include <linux/blk-mq.h> in block/blk-mq.h 2023-04-13 06:52:29 -06:00
blk-mq-tag.c for-6.5/block-2023-06-23 2023-06-26 12:47:20 -07:00
blk-mq-virtio.c blk-mq: include <linux/blk-mq.h> in block/blk-mq.h 2023-04-13 06:52:29 -06:00
blk-mq.c block: support to account io_ticks precisely 2024-05-09 07:59:44 -06:00
blk-mq.h block: Do not special-case plugging of zone write operations 2024-04-17 08:44:03 -06:00
blk-pm.c block: Remove blk_set_runtime_active() 2023-11-20 10:22:40 -07:00
blk-pm.h
blk-rq-qos.c block: correct stale comment in rq_qos_wait 2023-09-18 14:15:28 -06:00
blk-rq-qos.h block: skip QUEUE_FLAG_STATS and rq-qos for passthrough io 2023-12-01 18:29:18 -07:00
blk-settings.c block: Remove elevator required features 2024-04-17 08:44:03 -06:00
blk-stat.c blk-throttle: remove CONFIG_BLK_DEV_THROTTLING_LOW 2024-05-09 09:44:55 -06:00
blk-stat.h block: make queue stat accounting a reference 2021-12-14 17:23:05 -07:00
blk-sysfs.c blk-throttle: delay initialization until configuration 2024-05-09 09:44:56 -06:00
blk-throttle.c blk-throttle: delay initialization until configuration 2024-05-09 09:44:56 -06:00
blk-throttle.h blk-throttle: delay initialization until configuration 2024-05-09 09:44:56 -06:00
blk-timeout.c
blk-wbt.c for-6.9/block-20240310 2024-03-11 11:43:44 -07:00
blk-wbt.h blk-wbt: remove the separate write cache tracking 2023-12-26 09:28:10 -07:00
blk-zoned.c block: Cleanup blk_revalidate_zone_cb() 2024-05-01 08:08:43 -06:00
blk.h blk-throttle: remove CONFIG_BLK_DEV_THROTTLING_LOW 2024-05-09 09:44:55 -06:00
bounce.c block, fs: Restore the per-bio/request data lifetime fields 2024-02-06 14:31:05 +01:00
bsg-lib.c block: pass a queue_limits argument to blk_mq_init_queue 2024-02-13 08:56:59 -07:00
bsg.c SCSI misc on 20230629 2023-06-30 11:57:07 -07:00
disk-events.c block: move bdev_mark_dead out of disk_check_media_change 2023-10-28 13:29:23 +02:00
early-lookup.c block: don't return -EINVAL for not found names in devt_from_devname 2023-06-22 09:09:33 -06:00
elevator.c block: Remove elevator required features 2024-04-17 08:44:03 -06:00
elevator.h block: Remove elevator required features 2024-04-17 08:44:03 -06:00
fops.c block: refine the EOF check in blkdev_iomap_begin 2024-05-03 09:05:11 -06:00
genhd.c block: fix that util can be greater than 100% 2024-05-09 07:59:44 -06:00
holder.c block: fix deadlock between bd_link_disk_holder and partition scan 2024-02-23 07:44:19 -07:00
ioctl.c blk-lib: check for kill signal in ioctl BLKDISCARD 2024-05-07 07:29:42 -06:00
ioprio.c block: move __get_task_ioprio() into header file 2024-01-08 12:27:39 -07:00
Kconfig blk-throttle: remove CONFIG_BLK_DEV_THROTTLING_LOW 2024-05-09 09:44:55 -06:00
Kconfig.iosched block: Default to use cgroup support for BFQ 2023-01-30 09:42:42 -07:00
kyber-iosched.c blk-mq: pass a flags argument to elevator_type->insert_requests 2023-04-13 06:52:30 -06:00
Makefile block: Move zone related debugfs attribute to blk-zoned.c 2024-04-17 08:44:03 -06:00
mq-deadline.c block/mq-deadline: Remove some unused functions 2024-04-19 08:10:36 -06:00
opal_proto.h block: sed-opal: handle empty atoms when parsing response 2024-02-16 15:52:45 -07:00
sed-opal.c for-6.9/block-20240310 2024-03-11 11:43:44 -07:00
t10-pi.c block: support PI at non-zero offset within metadata 2024-02-12 08:49:31 -07:00