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[75.226.114.239]) by smtp.gmail.com with ESMTPSA id 5a478bee46e88-2d55faab010sm10677248eec.12.2026.04.11.16.40.24 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Sat, 11 Apr 2026 16:40:25 -0700 (PDT) Message-ID: Date: Sat, 11 Apr 2026 17:40:24 -0600 Precedence: bulk X-Mailing-List: linux-block@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Content-Language: en-US To: Linus Torvalds Cc: "linux-block@vger.kernel.org" From: Jens Axboe Subject: [GIT PULL] Block changes for the 7.1 merge window Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Hi Linus, Same as the io_uring one, coming a bit early due to already stated reasons. These are the changes queued up for the 7.1 merge window in the block subsystem: - Add shared memory zero-copy I/O support for ublk, bypassing per-I/O copies between kernel and userspace by matching registered buffer PFNs at I/O time. Includes selftests. - Refactor bio integrity to support filesystem initiated integrity operations and arbitrary buffer alignment. - Clean up bio allocation, splitting bio_alloc_bioset() into clear fast and slow paths. Add bio_await() and bio_submit_or_kill() helpers, unify synchronous bi_end_io callbacks. - Fix zone write plug refcount handling and plug removal races. Add support for serializing zone writes at QD=1 for rotational zoned devices, yielding significant throughput improvements. - Add SED-OPAL ioctls for Single User Mode management and a STACK_RESET command. - Add io_uring passthrough (uring_cmd) support to the BSG layer. - Replace pp_buf in partition scanning with struct seq_buf. - zloop improvements and cleanups. - drbd genl cleanup, switching to pre_doit/post_doit. - NVMe pull request via Keith: - Fabrics authentication updates - Enhanced block queue limits support - Workqueue usage updates - A new write zeroes device quirk - Tagset cleanup fix for loop device - MD pull requests via Yu Kuai: - Fix raid5 soft lockup in retry_aligned_read() - Fix raid10 deadlock with check operation and nowait requests - Fix raid1 overlapping writes on writemostly disks - Fix sysfs deadlock on array_state=clear - Proactive RAID-5 parity building with llbitmap, with write_zeroes_unmap optimization for initial sync - Fix llbitmap barrier ordering, rdev skipping, and bitmap_ops version mismatch fallback - Fix bcache use-after-free and uninitialized closure - Validate raid5 journal metadata payload size - Various cleanups - Various other fixes, improvements, and cleanups The following changes since commit 1f318b96cc84d7c2ab792fcc0bfd42a7ca890681: Linux 7.0-rc3 (2026-03-08 16:56:54 -0700) are available in the Git repository at: https://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux.git tags/for-7.1/block-20260411 for you to fetch changes up to 36446de0c30c62b9d89502fd36c4904996d86ecd: ublk: fix tautological comparison warning in ublk_ctrl_reg_buf (2026-04-10 07:02:37 -0600) ---------------------------------------------------------------- for-7.1/block-20260411 ---------------------------------------------------------------- Abd-Alrhman Masalkhi (1): md: remove unused static md_wq workqueue Alistair Francis (6): nvmet-tcp: Don't error if TLS is enabed on a reset nvmet-tcp: Don't free SQ on authentication success nvme: Expose the tls_configured sysfs for secure concat connections nvme: Allow reauth from sysfs nvme: Add the DHCHAP maximum HD IDs nvme-auth: Don't propose NVME_AUTH_DHGROUP_NULL with SC_C Bart Van Assche (1): drbd: Balance RCU calls in drbd_adm_dump_devices() Bill Wendling (1): block: annotate struct request_queue with __counted_by_ptr Caleb Sander Mateos (10): ublk: report BLK_SPLIT_INTERVAL_CAPABLE nvme: add preferred I/O size fields to struct nvme_id_ns_nvm nvme: fold nvme_config_discard() into nvme_update_disk_info() nvme: update nvme_id_ns OPTPERF constants nvme: always issue I/O Command Set specific Identify Namespace nvme: add from0based() helper nvme: set discard_granularity from NPDG/NPDA nvmet: use NVME_NS_FEAT_OPTPERF_SHIFT nvmet: report NPDGL and NPDAL block: remove unused BVEC_ITER_ALL_INIT Chaitanya Kulkarni (2): block: move bio queue-transition flag fixups into blk_steal_bios() block: clear BIO_QOS flags in blk_steal_bios() Chen Cheng (4): md: suppress spurious superblock update error message for dm-raid md/raid5: remove stale md_raid5_kick_device() declaration md/raid5: move handle_stripe() comment to correct location md: remove unused mddev argument from export_rdev Chia-Ming Chang (1): md/raid5: fix soft lockup in retry_aligned_read() Christoph Böhmwalder (2): drbd: use genl pre_doit/post_doit drbd: remove DRBD_GENLA_F_MANDATORY flag handling Christoph Hellwig (19): block: factor out a bio_integrity_action helper block: factor out a bio_integrity_setup_default helper block: add a bdev_has_integrity_csum helper block: prepare generation / verification helpers for fs usage block: make max_integrity_io_size public block: add fs_bio_integrity helpers block: pass a maxlen argument to bio_iov_iter_bounce block: mark bvec_{alloc,free} static block: split bio_alloc_bioset more clearly into a fast and slowpath block: remove bvec_free zloop: refactor zloop_rw zloop: forget write cache on force removal blk-crypto: fix name of the bio completion callback xfs: fix number of GC bvecs block: unify the synchronous bi_end_io callbacks block: factor out a bio_await helper block: add a bio_submit_or_kill helper xfs: use bio_await in xfs_zone_gc_reset_sync block: refactor blkdev_zone_mgmt_ioctl Daan De Meyer (1): loop: fix partition scan race between udev and loop_reread_partitions() Damien Le Moal (10): block: fix zone write plug removal block: fix zone write plugs refcount handling in disk_zone_wplug_schedule_bio_work() block: rename and simplify disk_get_and_lock_zone_wplug() block: remove disk_zone_is_full() block: rename struct gendisk zone_wplugs_lock field block: allow submitting all zone writes from a single context block: default to QD=1 writes for blk-mq rotational zoned devices Documentation: ABI: stable: document the zoned_qd1_writes attribute block: remove bdev_nonrot() zloop: add max_open_zones option Dan Carpenter (1): scsi: bsg: fix buffer overflow in scsi_bsg_uring_cmd() David Carlier (1): drbd: use get_random_u64() where appropriate Eric Biggers (21): nvme-auth: add NVME_AUTH_MAX_DIGEST_SIZE constant nvme-auth: common: constify static data nvme-auth: use proper argument types nvme-auth: common: add KUnit tests for TLS key derivation nvme-auth: rename nvme_auth_generate_key() to nvme_auth_parse_key() nvme-auth: common: explicitly verify psk_len == hash_len nvme-auth: common: add HMAC helper functions nvme-auth: common: use crypto library in nvme_auth_transform_key() nvme-auth: common: use crypto library in nvme_auth_augmented_challenge() nvme-auth: common: use crypto library in nvme_auth_generate_psk() nvme-auth: common: use crypto library in nvme_auth_generate_digest() nvme-auth: common: use crypto library in nvme_auth_derive_tls_psk() nvme-auth: host: use crypto library in nvme_auth_dhchap_setup_host_response() nvme-auth: host: use crypto library in nvme_auth_dhchap_setup_ctrl_response() nvme-auth: host: remove allocation of crypto_shash nvme-auth: target: remove obsolete crypto_has_shash() checks nvme-auth: target: use crypto library in nvmet_auth_host_hash() nvme-auth: target: use crypto library in nvmet_auth_ctrl_hash() nvme-auth: common: remove nvme_auth_digest_name() nvme-auth: common: remove selections of no-longer used crypto modules crypto: remove HKDF library FengWei Shih (1): md/raid5: skip 2-failure compute when other disk is R5_LOCKED Gregory Price (1): md/raid0: use kvzalloc/kvfree for strip_zone and devlist allocations Jackie Liu (2): block: fix zones_cond memory leak on zone revalidation error paths blk-cgroup: fix disk reference leak in blkcg_maybe_throttle_current() Jens Axboe (4): Merge branch 'for-7.1/block-integrity' into for-7.1/block Merge tag 'md-7.1-20260323' of git://git.kernel.org/pub/scm/linux/kernel/git/mdraid/linux into for-7.1/block Merge tag 'nvme-7.1-2026-03-27' of git://git.infradead.org/nvme into for-7.1/block Merge tag 'md-7.1-20260407' of git://git.kernel.org/pub/scm/linux/kernel/git/mdraid/linux into for-7.1/block Jialin Wang (1): blk-iocost: fix busy_level reset when no IOs complete John Garry (1): block: Correct comments on bio_alloc_clone() and bio_init_clone() Josh Hunt (1): md/raid10: fix deadlock with check operation and nowait requests Junrui Luo (1): md/raid5: validate payload size before accessing journal metadata Kees Cook (1): block: partitions: Replace pp_buf with struct seq_buf Keith Busch (1): blk-integrity: support arbitrary buffer alignment Marco Crivellari (3): nvmet: replace use of system_wq with system_percpu_wq nvmet-fc: add WQ_PERCPU to alloc_workqueue users nvme: add WQ_PERCPU to alloc_workqueue users Milan Broz (1): sed-opal: Add STACK_RESET command Ming Lei (21): blk-cgroup: wait for blkcg cleanup before initializing new disk ublk: move cold paths out of __ublk_batch_dispatch() for icache efficiency bio: fix kmemleak false positives from percpu bio alloc cache ublk: add UBLK_U_CMD_REG_BUF/UNREG_BUF control commands ublk: add PFN-based buffer matching in I/O path ublk: enable UBLK_F_SHMEM_ZC feature flag ublk: eliminate permanent pages[] array from struct ublk_buf selftests/ublk: add shared memory zero-copy support in kublk selftests/ublk: add UBLK_F_SHMEM_ZC support for loop target selftests/ublk: add shared memory zero-copy test selftests/ublk: add hugetlbfs shmem_zc test for loop target selftests/ublk: add filesystem fio verify test for shmem_zc selftests/ublk: add read-only buffer registration test ublk: widen ublk_shmem_buf_reg.len to __u64 for 4GB buffer support ublk: verify all pages in multi-page bvec fall within registered range ublk: simplify PFN range loop in __ublk_ctrl_reg_buf ublk: replace xarray with IDA for shmem buffer index allocation ublk: allow buffer registration before device is started Documentation: ublk: address review comments for SHMEM_ZC docs MAINTAINERS: update ublk driver maintainer email ublk: fix tautological comparison warning in ublk_ctrl_reg_buf Mingzhe Zou (2): bcache: fix cached_dev.sb_bio use-after-free and crash bcache: fix uninitialized closure object Nilay Shroff (1): nvme-loop: do not cancel I/O and admin tagset during ctrl reset/shutdown Ondrej Kozina (9): sed-opal: add UID of Locking Table. sed-opal: add RangeStartRangeLengthPolicy parameter. sed-opal: add Admin1PIN parameter. sed-opal: add IOC_OPAL_REACTIVATE_LSP. sed-opal: refactor (split) IOC_OPAL_LR_SETUP internals. sed-opal: add IOC_OPAL_LR_SET_START_LEN ioctl. sed-opal: add IOC_OPAL_ENABLE_DISABLE_LR. sed-opal: increase column attribute type size to 64 bits. sed-opal: add IOC_OPAL_GET_SUM_STATUS ioctl. Qu Wenruo (1): block: reject zero length in bio_add_page() Robert Beckett (2): nvme: respect NVME_QUIRK_DISABLE_WRITE_ZEROES when wzsl is set nvme-pci: add NVME_QUIRK_DISABLE_WRITE_ZEROES for Kingston OM3SGP4 Thomas Weißschuh (4): block: make queue_sysfs_entry instances const block: ia-ranges: make blk_ia_range_sysfs_entry instances const blk-crypto: make blk_crypto_attr instances const blk-mq: make blk_mq_hw_ctx_sysfs_entry instances const Thorsten Blum (1): block: use sysfs_emit in sysfs show functions Uday Shankar (2): ublk: reset per-IO canceled flag on each fetch selftests: ublk: test that teardown after incomplete recovery completes Vasily Gorbik (1): block: fix bio_alloc_bioset slowpath GFP handling Xiao Ni (2): md/raid1: fix the comparing region of interval tree md/raid1: serialize overlap io for writemostly disk Yang Xiuwei (3): bsg: add bsg_uring_cmd uapi structure bsg: add io_uring command support to generic layer scsi: bsg: add io_uring passthrough handler Yu Kuai (8): md/raid5: set chunk_sectors to enable full stripe I/O splitting md/md-llbitmap: skip reading rdevs that are not in_sync md/md-llbitmap: raise barrier before state machine transition md: fix array_state=clear sysfs deadlock md: add fallback to correct bitmap_ops on version mismatch md/md-llbitmap: add CleanUnwritten state for RAID-5 proactive parity building md/md-llbitmap: optimize initial sync with write_zeroes_unmap support md: wake raid456 reshape waiters before suspend Yuto Ohnuki (1): blk-wbt: remove WARN_ON_ONCE from wbt_init_enable_default() Documentation/ABI/stable/sysfs-block | 15 + Documentation/ABI/testing/sysfs-nvme | 13 + Documentation/admin-guide/blockdev/zoned_loop.rst | 10 +- Documentation/block/inline-encryption.rst | 2 +- Documentation/block/ublk.rst | 119 ++++ MAINTAINERS | 2 +- block/Makefile | 2 +- block/bio-integrity-auto.c | 80 +-- block/bio-integrity-fs.c | 81 +++ block/bio-integrity.c | 64 ++ block/bio.c | 326 ++++----- block/blk-cgroup.c | 16 + block/blk-crypto-sysfs.c | 40 +- block/blk-ia-ranges.c | 6 +- block/blk-iocost.c | 23 +- block/blk-lib.c | 16 +- block/blk-mq-debugfs.c | 1 + block/blk-mq-sysfs.c | 10 +- block/blk-mq.c | 25 +- block/blk-settings.c | 25 +- block/blk-sysfs.c | 89 ++- block/blk-wbt.c | 5 +- block/blk-zoned.c | 469 ++++++++----- block/blk.h | 13 +- block/bsg-lib.c | 2 +- block/bsg.c | 33 +- block/disk-events.c | 3 +- block/ioctl.c | 11 +- block/opal_proto.h | 24 + block/partitions/acorn.c | 32 +- block/partitions/aix.c | 21 +- block/partitions/amiga.c | 35 +- block/partitions/atari.c | 12 +- block/partitions/check.h | 8 +- block/partitions/cmdline.c | 6 +- block/partitions/core.c | 31 +- block/partitions/efi.c | 2 +- block/partitions/ibm.c | 27 +- block/partitions/karma.c | 2 +- block/partitions/ldm.c | 4 +- block/partitions/mac.c | 4 +- block/partitions/msdos.c | 67 +- block/partitions/of.c | 6 +- block/partitions/osf.c | 2 +- block/partitions/sgi.c | 2 +- block/partitions/sun.c | 2 +- block/partitions/sysv68.c | 9 +- block/partitions/ultrix.c | 2 +- block/sed-opal.c | 434 +++++++++++- block/t10-pi.c | 818 ++++++++++++---------- crypto/Kconfig | 6 - crypto/Makefile | 1 - crypto/hkdf.c | 573 --------------- drivers/block/drbd/Makefile | 1 - drivers/block/drbd/drbd_main.c | 4 +- drivers/block/drbd/drbd_nl.c | 602 +++++++++------- drivers/block/drbd/drbd_nla.c | 56 -- drivers/block/drbd/drbd_nla.h | 9 - drivers/block/ublk_drv.c | 477 +++++++++++-- drivers/block/zloop.c | 511 ++++++++++---- drivers/md/bcache/super.c | 8 + drivers/md/md-llbitmap.c | 213 +++++- drivers/md/md.c | 171 ++++- drivers/md/md.h | 5 +- drivers/md/raid0.c | 18 +- drivers/md/raid1.c | 53 +- drivers/md/raid10.c | 6 +- drivers/md/raid5-cache.c | 48 +- drivers/md/raid5.c | 39 +- drivers/md/raid5.h | 1 - drivers/nvdimm/btt.c | 6 +- drivers/nvme/common/.kunitconfig | 6 + drivers/nvme/common/Kconfig | 14 +- drivers/nvme/common/Makefile | 2 + drivers/nvme/common/auth.c | 587 +++++++--------- drivers/nvme/common/tests/auth_kunit.c | 175 +++++ drivers/nvme/host/auth.c | 187 ++--- drivers/nvme/host/core.c | 89 ++- drivers/nvme/host/multipath.c | 15 +- drivers/nvme/host/nvme.h | 6 + drivers/nvme/host/pci.c | 2 + drivers/nvme/host/sysfs.c | 50 +- drivers/nvme/target/admin-cmd.c | 4 +- drivers/nvme/target/auth.c | 202 ++---- drivers/nvme/target/configfs.c | 3 - drivers/nvme/target/core.c | 7 +- drivers/nvme/target/fabrics-cmd-auth.c | 18 +- drivers/nvme/target/fc.c | 6 +- drivers/nvme/target/io-cmd-bdev.c | 19 +- drivers/nvme/target/loop.c | 2 - drivers/nvme/target/nvmet.h | 8 +- drivers/nvme/target/tcp.c | 2 +- drivers/scsi/scsi_bsg.c | 176 ++++- drivers/target/target_core_file.c | 2 +- drivers/target/target_core_iblock.c | 2 +- fs/btrfs/volumes.c | 4 +- fs/ext4/mballoc-test.c | 2 +- fs/ext4/mballoc.c | 2 +- fs/iomap/direct-io.c | 2 +- fs/xfs/xfs_zone_gc.c | 38 +- include/crypto/hkdf.h | 20 - include/linux/bio-integrity.h | 12 +- include/linux/bio.h | 7 +- include/linux/blk-integrity.h | 29 +- include/linux/blkdev.h | 49 +- include/linux/bsg.h | 6 +- include/linux/bvec.h | 9 - include/linux/drbd_genl.h | 208 +++--- include/linux/genl_magic_func.h | 7 +- include/linux/genl_magic_struct.h | 15 +- include/linux/nvme-auth.h | 41 +- include/linux/nvme.h | 24 +- include/linux/sed-opal.h | 5 + include/uapi/linux/bsg.h | 75 ++ include/uapi/linux/sed-opal.h | 30 + include/uapi/linux/ublk_cmd.h | 80 +++ mm/swapfile.c | 2 +- tools/testing/selftests/ublk/Makefile | 6 + tools/testing/selftests/ublk/fault_inject.c | 52 +- tools/testing/selftests/ublk/file_backed.c | 38 + tools/testing/selftests/ublk/kublk.c | 354 +++++++++- tools/testing/selftests/ublk/kublk.h | 18 + tools/testing/selftests/ublk/test_common.sh | 15 +- tools/testing/selftests/ublk/test_generic_17.sh | 35 + tools/testing/selftests/ublk/test_shmemzc_01.sh | 72 ++ tools/testing/selftests/ublk/test_shmemzc_02.sh | 68 ++ tools/testing/selftests/ublk/test_shmemzc_03.sh | 69 ++ tools/testing/selftests/ublk/test_shmemzc_04.sh | 72 ++ 128 files changed, 5709 insertions(+), 3200 deletions(-) create mode 100644 Documentation/ABI/testing/sysfs-nvme create mode 100644 block/bio-integrity-fs.c delete mode 100644 crypto/hkdf.c delete mode 100644 drivers/block/drbd/drbd_nla.c delete mode 100644 drivers/block/drbd/drbd_nla.h create mode 100644 drivers/nvme/common/.kunitconfig create mode 100644 drivers/nvme/common/tests/auth_kunit.c delete mode 100644 include/crypto/hkdf.h create mode 100755 tools/testing/selftests/ublk/test_generic_17.sh create mode 100755 tools/testing/selftests/ublk/test_shmemzc_01.sh create mode 100755 tools/testing/selftests/ublk/test_shmemzc_02.sh create mode 100755 tools/testing/selftests/ublk/test_shmemzc_03.sh create mode 100755 tools/testing/selftests/ublk/test_shmemzc_04.sh -- Jens Axboe