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Jens Axboe 98f7743f11 block: only read from sqe on initial invocation of blkdev_uring_cmd() 
commit 212ec34e4e upstream.

This passthrough helper currently only supports discards. Part of that
command is the start and length, which is read from the SQE. It does
so on every invocation, where it really should just make it stable
on the first invocation. This avoids needing to copy the SQE upfront,
as we only really need those two 8b values stored in our per-req
payload.

Cc: stable@vger.kernel.org # 6.17+
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2026-05-14 15:31:10 +02:00
..
partitions Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
badblocks.c
bdev.c block: remove redundant kill_bdev() call in set_blocksize() 2026-02-04 09:28:18 -07:00
bfq-cgroup.c treewide: Replace kmalloc with kmalloc_obj for non-scalar types 2026-02-21 01:02:28 -08:00
bfq-iosched.c treewide: Replace kmalloc with kmalloc_obj for non-scalar types 2026-02-21 01:02:28 -08:00
bfq-iosched.h block, bfq: update outdated comment 2026-01-01 08:57:37 -07:00
bfq-wf2q.c
bio-integrity-auto.c Merge branch 'block-6.19' into for-7.0/block 2026-01-11 13:16:36 -07:00
bio-integrity.c block: relax pgmap check in bio_add_page for compatible zone device pages 2026-05-07 06:13:54 +02:00
bio.c block: relax pgmap check in bio_add_page for compatible zone device pages 2026-05-07 06:13:54 +02:00
blk-cgroup-fc-appid.c
blk-cgroup-rwstat.c
blk-cgroup-rwstat.h
blk-cgroup.c Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
blk-cgroup.h block: initialize bio issue time in blk_mq_submit_bio() 2025-09-10 05:23:45 -06:00
blk-core.c blk-mq: add a new queue sysfs attribute async_depth 2026-02-03 07:45:36 -07:00
blk-crypto-fallback.c Convert remaining multi-line kmalloc_obj/flex GFP_KERNEL uses 2026-02-22 08:26:33 -08:00
blk-crypto-internal.h blk-crypto: handle the fallback above the block layer 2026-01-11 12:55:41 -07:00
blk-crypto-profile.c Convert more 'alloc_obj' cases to default GFP_KERNEL arguments 2026-02-21 20:03:00 -08:00
blk-crypto-sysfs.c Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
blk-crypto.c blk-crypto: handle the fallback above the block layer 2026-01-11 12:55:41 -07:00
blk-flush.c block: pass io_comp_batch to rq_end_io_fn callback 2026-01-20 10:12:54 -07:00
blk-ia-ranges.c
blk-integrity.c block: don't merge bios with different app_tags 2026-01-06 19:10:08 -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 Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
blk-iolatency.c Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
blk-ioprio.c treewide: Replace kmalloc with kmalloc_obj for non-scalar types 2026-02-21 01:02:28 -08:00
blk-ioprio.h
blk-lib.c block: change return type to void 2026-02-12 04:23:53 -07:00
blk-map.c block-7.0-20260305 2026-03-06 08:36:18 -08:00
blk-merge.c for-7.0/block-stable-pages-20260206 2026-02-09 18:14:52 -08:00
blk-mq-cpumap.c
blk-mq-debugfs.c blk-mq: use NOIO context to prevent deadlock during debugfs creation 2026-02-16 10:47:25 -07:00
blk-mq-debugfs.h blk-mq-debugfs: remove blk_mq_debugfs_unregister_rqos() 2026-02-02 07:05:19 -07:00
blk-mq-dma.c block: fix partial IOVA mapping cleanup in blk_rq_dma_map_iova 2026-02-12 04:23:31 -07:00
blk-mq-sched.c Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
blk-mq-sched.h blk-mq-sched: unify elevators checking for async requests 2026-02-03 07:45:36 -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 block-7.0-20260305 2026-03-06 08:36:18 -08:00
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 blk-mq-debugfs: remove blk_mq_debugfs_unregister_rqos() 2026-02-02 07:05:19 -07:00
blk-rq-qos.h blk-rq-qos: Remove unlikely() hints from QoS checks 2026-01-06 19:08:23 -07:00
blk-settings.c block: validate interval_exp integrity limit 2025-12-18 09:51:49 -07:00
blk-stat.c Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
blk-stat.h blk-stat: convert struct blk_stat_callback to kernel-doc 2026-02-16 10:21:06 -07:00
blk-sysfs.c block: use trylock to avoid lockdep circular dependency in sysfs 2026-03-05 04:01:42 -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 Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
blk-wbt.h blk-wbt: factor out a helper wbt_set_lat() 2026-02-02 07:05:19 -07:00
blk-zoned.c block: fix zone write plug removal 2026-05-14 15:31:10 +02:00
blk.h block: add pgmap check to biovec_phys_mergeable 2026-05-14 15:31:10 +02:00
bsg-lib.c Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
bsg.c Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
disk-events.c Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
early-lookup.c
elevator.c block: use trylock to avoid lockdep circular dependency in sysfs 2026-03-05 04:01:42 -07:00
elevator.h block: fix race between wbt_enable_default and IO submission 2025-12-12 12:51:11 -07:00
fops.c Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
genhd.c Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
holder.c Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
ioctl.c block: only read from sqe on initial invocation of blkdev_uring_cmd() 2026-05-14 15:31:10 +02:00
ioprio.c
Kconfig
Kconfig.iosched
kyber-iosched.c kyber: covert to use request_queue->async_depth 2026-02-03 07:45:36 -07:00
Makefile
mq-deadline.c mq-deadline: covert to use request_queue->async_depth 2026-02-03 07:45:36 -07:00
opal_proto.h
sed-opal.c Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
t10-pi.c