Hi Linus, Changes in this pull request: - NVMe - ZNS support (Aravind, Keith, Matias, Niklas) - Misc cleanups, optimizations, fixes (Baolin, Chaitanya, David, Dongli, Max, Sagi) - null_blk zone capacity support (Aravind) - MD - raid5/6 fixes (ChangSyun) - Warning fixes (Damien) - raid5 stripe fixes (Guoqing, Song, Yufen) - sysfs deadlock fix (Junxiao) - raid10 deadlock fix (Vitaly) - struct_size conversions (Gustavo) - Set of bcache updates/fixes (Coly) Please pull! The following changes since commit 0e6e255e7a58cdf4ee4163f83deeb5ce4946051e: block: remove a bogus warning in __submit_bio_noacct_mq (2020-07-07 11:45:59 -0600) are available in the Git repository at: git://git.kernel.dk/linux-block.git tags/for-5.9/drivers-20200803 for you to fetch changes up to f59589fc89665102923725e80e12f782d5f74f67: Merge branch 'md-next' of https://git.kernel.org/pub/scm/linux/kernel/git/song/md into for-5.9/drivers (2020-08-03 06:38:44 -0600) ---------------------------------------------------------------- for-5.9/drivers-20200803 ---------------------------------------------------------------- Aravind Ramesh (1): null_blk: introduce zone capacity for zoned device Artur Paszkiewicz (1): md: improve io stats accounting Baolin Wang (7): nvme: use USEC_PER_SEC instead of magic numbers nvme-pci: remove redundant segment validation nvme-pci: fix some comments issues nvme-pci: add a blank line after declarations nvme-pci: use the consistent return type of nvme_pci_iod_alloc_size() nvme-pci: use standard block status symbolic names nvme: remove redundant validation in nvme_start_ctrl() Chaitanya Kulkarni (11): nvme-core: use u16 type for directives nvme-core: use u16 type for ctrl->sqsize nvme-pci: use unsigned for io queue depth nvme-pci: code cleanup for nvme_alloc_host_mem() nvmet: use unsigned type for u64 nvme-core: replace ctrl page size with a macro nvme-pci: use max of PRP or SGL for iod size nvmet: use xarray for ctrl ns storing nvmet: introduce the passthru Kconfig option nvme-loop: set ctrl state connecting after init nvme-loop: remove extra variable in create ctrl ChangSyun Peng (2): md/raid5: Fix Force reconstruct-write io stuck in degraded raid5 md/raid5: Allow degraded raid6 to do rmw Christoph Hellwig (1): nvme: remove ns->disk checks Christophe JAILLET (1): rsxx: switch from 'pci_free_consistent()' to 'dma_free_coherent()' Colin Ian King (1): md: raid0/linear: fix dereference before null check on pointer mddev Coly Li (21): bcache: allocate meta data pages as compound pages bcache: avoid nr_stripes overflow in bcache_device_init() bcache: fix overflow in offset_to_stripe() bcache: add read_super_common() to read major part of super block bcache: add more accurate error information in read_super_common() bcache: disassemble the big if() checks in bch_cache_set_alloc() bcache: fix super block seq numbers comparision in register_cache_set() bcache: increase super block version for cache device and backing device bcache: move bucket related code into read_super_common() bcache: struct cache_sb is only for in-memory super block now bcache: introduce meta_bucket_pages() related helper routines bcache: handle c->uuids properly for bucket size > 8MB bcache: handle cache prio_buckets and disk_buckets properly for bucket size > 8MB bcache: handle cache set verify_ondisk properly for bucket size > 8MB bcache: handle btree node memory allocation properly for bucket size > 8MB bcache: add bucket_size_hi into struct cache_sb_disk for large bucket bcache: add sysfs file to display feature sets information of cache set bcache: avoid extra memory allocation from mempool c->fill_iter bcache: avoid extra memory consumption in struct bbio for large bucket size bcache: fix bio_{start,end}_io_acct with proper device bcache: use disk_{start,end}_io_acct() to count I/O for bcache device Damien Le Moal (4): md: Fix compilation warning md: raid5-cache: Remove set but unused variable md: raid5: Fix compilation warning md: raid10: Fix compilation warning Dan Carpenter (1): nvme: remove an unnecessary condition David E. Box (1): nvme-pci: add support for ACPI StorageD3Enable property David Fugate (1): nvme: document quirked Intel models Dongli Zhang (3): nvme-pci: remove the empty line at the beginning of nvme_should_reset() nvmet-loop: remove unused 'target_ctrl' in nvme_loop_ctrl nvme-fcloop: verify wwnn and wwpn format Guoqing Jiang (7): raid5: call clear_batch_ready before set STRIPE_ACTIVE raid5: put the comment of clear_batch_ready to the right place raid5: remove the meaningless check in raid5_make_request md/raid5: remove the redundant setting of STRIPE_HANDLE md: print errno in super_written raid5-cache: hold spinlock instead of mutex in r5c_journal_mode_show raid5: don't duplicate code for different paths in handle_stripe Gustavo A. R. Silva (3): s390/dasd: Use struct_size() helper bcache: movinggc: Use struct_size() helper in kzalloc() bcache: Use struct_size() in kzalloc() Hannes Reinecke (1): nvme-multipath: do not fall back to __nvme_find_path() for non-optimized paths James Smart (3): nvme-fc: set max_segments to lldd max value nvmet-fc: check successful reference in nvmet_fc_find_target_assoc nvmet-fc: remove redundant del_work_active flag Jean Delvare (1): bcache: Fix typo in Kconfig name Jens Axboe (8): Merge tag 'v5.8-rc4' into for-5.9/drivers Merge branch 'nvme-5.9' of git://git.infradead.org/nvme into for-5.9/drivers Merge branch 'md-next' of https://git.kernel.org/.../song/md into for-5.9/drivers Merge branch 'md-next' of https://git.kernel.org/.../song/md into for-5.9/drivers Merge branch 'md-next' of https://git.kernel.org/.../song/md into for-5.9/drivers Merge branch 'nvme-5.9' of git://git.infradead.org/nvme into for-5.9/drivers Merge branch 'md-next' of https://git.kernel.org/.../song/md into for-5.9/drivers Junxiao Bi (1): md: fix deadlock causing by sysfs_notify Keith Busch (2): nvme: support for multiple Command Sets Supported and Effects log pages nvme: support for zoned namespaces Logan Gunthorpe (8): nvme: clear any SGL flags in passthru commands nvme: create helper function to obtain command effects nvme: introduce nvme_execute_passthru_rq to call nvme_passthru_[start|end]() nvme: introduce nvme_ctrl_get_by_path() nvme: export nvme_find_get_ns() and nvme_put_ns() nvmet: add passthru code to process commands nvmet: Add passthru enable/disable helpers nvmet: introduce the passthru configfs interface Martin Wilck (1): nvme-multipath: fix logic for non-optimized paths Matias Bjørling (1): block: add capacity field to zone descriptors Max Gurtovoy (2): nvmet-tcp: remove has_keyed_sgls initialization nvmet: introduce flags member in nvmet_fabrics_ops Niklas Cassel (3): nvme: implement multiple I/O Command Set support block: add max_open_zones to blk-sysfs block: add max_active_zones to blk-sysfs Randy Dunlap (2): raid: md_p.h: drop duplicated word in a comment nvme-fc: drop a duplicated word in a comment Sagi Grimberg (10): nvme-tcp: have queue prod/cons send list become a llist nvme-tcp: leverage request plugging nvme-tcp: optimize network stack with setting msg flags according to batch size nvmet-tcp: simplify nvmet_process_resp_list nvme: expose reconnect_delay and ctrl_loss_tmo via sysfs nvme: document nvme controller states nvme: fix deadlock in disconnect during scan_work and/or ana_work nvme-hwmon: log the controller device name nvme-tcp: fix controller reset hang during traffic nvme-rdma: fix controller reset hang during traffic Sebastian Parschauer (1): md: register new md sysfs file 'uuid' read-only Song Liu (1): md/raid5-cache: clear MD_SB_CHANGE_PENDING before flushing stripes Stefan Haberland (1): s390/dasd: fix inability to use DASD with DIAG driver Vitaly Mayatskikh (1): md/raid10: avoid deadlock on recovery. Xiao Ni (1): md: fix max sectors calculation for super 1.0 Xu Wang (2): bcache: journel: use for_each_clear_bit() to simplify the code bcache: writeback: Remove unneeded variable i Yamin Friedman (2): nvme-rdma: use new shared CQ mechanism nvmet-rdma: use new shared CQ mechanism Yufen Yu (4): md/raid456: convert macro STRIPE_* to RAID5_STRIPE_* md/raid5: set default stripe_size as 4096 md/raid5: support config stripe_size by sysfs entry md/raid5: use do_div() for 64 bit divisions in raid5_sync_request Zhao Heming (3): md-cluster: fix wild pointer of unlock_all_bitmaps() md-cluster: fix safemode_delay value when converting to clustered bitmap md-cluster: fix rmmod issue when md_cluster convert bitmap to none Documentation/ABI/testing/sysfs-block | 18 ++ Documentation/admin-guide/md.rst | 4 + Documentation/block/queue-sysfs.rst | 14 + block/Kconfig | 5 +- block/blk-sysfs.c | 27 ++ block/blk-zoned.c | 1 + drivers/acpi/property.c | 3 + drivers/block/null_blk.h | 1 + drivers/block/null_blk_main.c | 10 +- drivers/block/null_blk_zoned.c | 16 +- drivers/block/rsxx/core.c | 30 +- drivers/md/bcache/Kconfig | 2 +- drivers/md/bcache/Makefile | 2 +- drivers/md/bcache/alloc.c | 2 +- drivers/md/bcache/bcache.h | 31 +- drivers/md/bcache/bset.c | 2 +- drivers/md/bcache/btree.c | 12 +- drivers/md/bcache/features.c | 75 +++++ drivers/md/bcache/features.h | 86 ++++++ drivers/md/bcache/io.c | 2 +- drivers/md/bcache/journal.c | 9 +- drivers/md/bcache/movinggc.c | 8 +- drivers/md/bcache/request.c | 14 +- drivers/md/bcache/super.c | 277 +++++++++++------ drivers/md/bcache/sysfs.c | 14 + drivers/md/bcache/writeback.c | 22 +- drivers/md/bcache/writeback.h | 19 +- drivers/md/md-bitmap.c | 2 +- drivers/md/md-cluster.c | 1 + drivers/md/md.c | 181 ++++++++--- drivers/md/md.h | 9 +- drivers/md/raid10.c | 20 +- drivers/md/raid5-cache.c | 28 +- drivers/md/raid5-ppl.c | 11 +- drivers/md/raid5.c | 386 ++++++++++++++--------- drivers/md/raid5.h | 53 ++-- drivers/nvme/host/Makefile | 1 + drivers/nvme/host/core.c | 561 +++++++++++++++++++++++++--------- drivers/nvme/host/fabrics.c | 2 +- drivers/nvme/host/fabrics.h | 3 +- drivers/nvme/host/fc.c | 6 +- drivers/nvme/host/hwmon.c | 5 +- drivers/nvme/host/lightnvm.c | 4 +- drivers/nvme/host/multipath.c | 37 ++- drivers/nvme/host/nvme.h | 86 +++++- drivers/nvme/host/pci.c | 190 ++++++++---- drivers/nvme/host/rdma.c | 99 ++++-- drivers/nvme/host/tcp.c | 100 ++++-- drivers/nvme/host/zns.c | 256 ++++++++++++++++ drivers/nvme/target/Kconfig | 12 + drivers/nvme/target/Makefile | 1 + drivers/nvme/target/admin-cmd.c | 26 +- drivers/nvme/target/configfs.c | 117 ++++++- drivers/nvme/target/core.c | 79 ++--- drivers/nvme/target/discovery.c | 2 +- drivers/nvme/target/fc.c | 30 +- drivers/nvme/target/fcloop.c | 29 +- drivers/nvme/target/loop.c | 14 +- drivers/nvme/target/nvmet.h | 60 +++- drivers/nvme/target/passthru.c | 544 +++++++++++++++++++++++++++++++++ drivers/nvme/target/rdma.c | 17 +- drivers/nvme/target/tcp.c | 13 +- drivers/s390/block/dasd_diag.c | 33 +- drivers/scsi/sd_zbc.c | 6 + include/linux/blkdev.h | 50 +++ include/linux/nvme-fc-driver.h | 2 +- include/linux/nvme.h | 138 ++++++++- include/uapi/linux/bcache.h | 38 ++- include/uapi/linux/blkzoned.h | 15 +- include/uapi/linux/raid/md_p.h | 2 +- 70 files changed, 3149 insertions(+), 826 deletions(-) create mode 100644 drivers/md/bcache/features.c create mode 100644 drivers/md/bcache/features.h create mode 100644 drivers/nvme/host/zns.c create mode 100644 drivers/nvme/target/passthru.c -- Jens Axboe
