Cong Zhang 10845a105b blk-mq: skip CPU offline notify on unmapped hctx ...

If an hctx has no software ctx mapped, blk_mq_map_swqueue() never
allocates tags and leaves hctx->tags NULL. The CPU hotplug offline
notifier can still run for that hctx, return early since hctx cannot
hold any requests.

Signed-off-by: Cong Zhang <cong.zhang@oss.qualcomm.com>
Fixes: bf0beec060 ("blk-mq: drain I/O when all CPUs in a hctx are offline")
Reviewed-by: Ming Lei <ming.lei@redhat.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>

2025-12-30 09:02:22 -07:00

..

partitions

block: use min() instead of min_t()

2025-11-20 07:44:29 -07:00

badblocks.c

badblocks: Fix a nonsense WARN_ON() which checks whether a u64 variable < 0

2025-03-10 07:41:58 -06:00

bdev.c

Merge tag 'vfs-6.19-rc1.inode' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs

2025-12-01 09:02:34 -08:00

bfq-cgroup.c

block,bfq: fix aux stat accumulation destination

2025-12-28 09:03:51 -07:00

bfq-iosched.c

block: fix race between wbt_enable_default and IO submission

2025-12-12 12:51:11 -07:00

bfq-iosched.h

lib/sbitmap: convert shallow_depth from one word to the whole sbitmap

2025-08-07 06:30:17 -06:00

bfq-wf2q.c

…

bio-integrity-auto.c

block: make bio auto-integrity deadlock safe

2025-11-04 12:41:50 -07:00

bio-integrity.c

block: make bio auto-integrity deadlock safe

2025-11-04 12:41:50 -07:00

bio.c

block: prohibit calls to bio_chain_endio

2025-12-09 10:20:03 -07:00

blk-cgroup-fc-appid.c

…

blk-cgroup-rwstat.c

…

blk-cgroup-rwstat.h

…

blk-cgroup.c

block: Remove elevator_lock usage from blkg_conf frozen operations

2025-10-15 08:00:19 -06:00

blk-cgroup.h

block: initialize bio issue time in blk_mq_submit_bio()

2025-09-10 05:23:45 -06:00

blk-core.c

block: fix typos in comments and strings in blk-core

2025-11-25 10:39:49 -07:00

blk-crypto-fallback.c

blk-crypto: convert to use bio_submit_split_bioset()

2025-09-10 05:23:46 -06:00

blk-crypto-internal.h

blk-crypto: add ioctls to create and prepare hardware-wrapped keys

2025-02-10 09:54:19 -07:00

blk-crypto-profile.c

blk-crypto: export wrapped key functions

2025-05-06 19:08:08 +02:00

blk-crypto-sysfs.c

blk-crypto: show supported key types in sysfs

2025-02-10 09:54:19 -07:00

blk-crypto.c

blk-crypto: use BLK_STS_INVAL for alignment errors

2025-10-30 08:52:57 -06:00

blk-flush.c

block: remove unused parameter

2025-03-12 08:25:28 -06:00

blk-ia-ranges.c

…

blk-integrity.c

Merge tag 'for-6.18/block-20250929' of git://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux

2025-10-02 10:16:56 -07:00

blk-ioc.c

copy_process: pass clone_flags as u64 across calltree

2025-09-01 15:31:34 +02:00

blk-iocost.c

block: use min() instead of min_t()

2025-11-20 07:44:29 -07:00

blk-iolatency.c

blk-mq: add QUEUE_FLAG_BIO_ISSUE_TIME

2025-09-10 05:23:45 -06:00

blk-ioprio.c

blk-cgroup: Simplify policy files registration

2025-03-11 09:22:55 -10:00

blk-ioprio.h

…

blk-lib.c

block: fix memory leak in __blkdev_issue_zero_pages

2025-12-04 15:43:28 -07:00

blk-map.c

block: use bio_alloc_bioset for passthru IO by default

2025-12-04 07:18:54 -07:00

blk-merge.c

Revert "block: consider discard merge last"

2025-11-18 15:00:12 -07:00

blk-mq-cpumap.c

blk-mq: add number of queue calc helper

2025-07-01 10:24:19 -06:00

blk-mq-debugfs.c

blk-mq: add QUEUE_FLAG_BIO_ISSUE_TIME

2025-09-10 05:23:45 -06:00

blk-mq-debugfs.h

…

blk-mq-dma.c

blk-mq-dma: always initialize dma state

2025-12-10 13:41:11 -07:00

blk-mq-sched.c

block: use {alloc|free}_sched data methods

2025-11-13 09:27:49 -07:00

blk-mq-sched.h

block: use {alloc|free}_sched data methods

2025-11-13 09:27:49 -07:00

blk-mq-sysfs.c

blk-mq: Move flush queue allocation into blk_mq_init_hctx()

2025-09-08 08:05:32 -06:00

blk-mq-tag.c

blk-mq: use array manage hctx map instead of xarray

2025-11-28 09:09:19 -07:00

blk-mq.c

blk-mq: skip CPU offline notify on unmapped hctx

2025-12-30 09:02:22 -07:00

blk-mq.h

blk-mq: use queue_hctx in blk_mq_map_queue_type

2025-12-01 07:18:31 -07:00

blk-pm.c

…

blk-pm.h

…

blk-rq-qos.c

block: avoid cpu_hotplug_lock depedency on freeze_lock

2025-08-21 07:11:11 -06:00

blk-rq-qos.h

block: validate QoS before calling __rq_qos_done_bio()

2025-08-26 10:34:08 -06:00

blk-settings.c

block: validate interval_exp integrity limit

2025-12-18 09:51:49 -07:00

blk-stat.c

treewide, timers: Rename from_timer() to timer_container_of()

2025-06-08 09:07:37 +02:00

blk-stat.h

treewide: Switch/rename to timer_delete[_sync]()

2025-04-05 10:30:12 +02:00

blk-sysfs.c

block: fix race between wbt_enable_default and IO submission

2025-12-12 12:51:11 -07:00

blk-throttle.c

block/blk-throttle: Remove throtl_slice from struct throtl_data

2025-11-17 09:39:48 -07:00

blk-throttle.h

blk-throttle: fix access race during throttle policy activation

2025-09-08 08:24:44 -06:00

blk-timeout.c

…

blk-wbt.c

block: fix race between wbt_enable_default and IO submission

2025-12-12 12:51:11 -07:00

blk-wbt.h

block: fix race between wbt_enable_default and IO submission

2025-12-12 12:51:11 -07:00

blk-zoned.c

block: fix cached zone reports on devices with native zone append

2025-12-09 22:35:54 -07:00

blk.h

block: unify elevator tags and type xarrays into struct elv_change_ctx

2025-11-13 09:27:49 -07:00

bsg-lib.c

block: remove unused parameter 'q' parameter in __blk_rq_map_sg()

2025-03-13 05:46:19 -06:00

bsg.c

…

disk-events.c

…

early-lookup.c

…

elevator.c

block: fix race between wbt_enable_default and IO submission

2025-12-12 12:51:11 -07:00

elevator.h

block: fix race between wbt_enable_default and IO submission

2025-12-12 12:51:11 -07:00

fops.c

block: enable per-cpu bio cache by default

2025-12-04 07:19:24 -07:00

genhd.c

block: Remove references to __device_add_disk()

2025-11-25 10:36:37 -07:00

holder.c

…

ioctl.c

block: add allocation size check in blkdev_pr_read_keys()

2025-12-17 07:35:22 -07:00

ioprio.c

block: remove test of incorrect io priority level

2025-05-08 09:04:12 -06:00

Kconfig

block: Remove obsolete configs BLK_MQ_{PCI,VIRTIO}

2025-05-14 05:43:56 -06:00

Kconfig.iosched

…

kyber-iosched.c

block: define alloc_sched_data and free_sched_data methods for kyber

2025-11-13 09:27:49 -07:00

Makefile

blk-mq: move the DMA mapping code to a separate file

2025-05-16 08:43:41 -06:00

mq-deadline.c

block/mq-deadline: Switch back to a single dispatch list

2025-10-20 10:37:42 -06:00

opal_proto.h

…

sed-opal.c

…

t10-pi.c

block: rename tuple_size field in blk_integrity to metadata_size

2025-07-01 14:00:14 +02:00