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2024-02-27xen-blkfront: don't redundantly set max_sements in blkif_recoverChristoph Hellwig
blkif_set_queue_limits already sets the max_sements limits, so don't do it a second time. Also remove a comment about a long fixe bug in blk_mq_update_nr_hw_queues. Signed-off-by: Christoph Hellwig <hch@lst.de> Acked-by: Roger Pau Monné <roger.pau@citrix.com> Link: https://lore.kernel.org/r/20240221125845.3610668-4-hch@lst.de Signed-off-by: Jens Axboe <axboe@kernel.dk>
2024-02-27xen-blkfront: rely on the default discard granularityChristoph Hellwig
The block layer now sets the discard granularity to the physical block size default. Take advantage of that in xen-blkfront and only set the discard granularity if explicitly specified. Signed-off-by: Christoph Hellwig <hch@lst.de> Acked-by: Roger Pau Monné <roger.pau@citrix.com> Link: https://lore.kernel.org/r/20240221125845.3610668-3-hch@lst.de Signed-off-by: Jens Axboe <axboe@kernel.dk>
2024-02-27xen-blkfront: set max_discard/secure erase limits to UINT_MAXChristoph Hellwig
Currently xen-blkfront set the max discard limit to the capacity of the device, which is suboptimal when the capacity changes. Just set it to UINT_MAX, which has the same effect and is simpler. Signed-off-by: Christoph Hellwig <hch@lst.de> Acked-by: Roger Pau Monné <roger.pau@citrix.com> Link: https://lore.kernel.org/r/20240221125845.3610668-2-hch@lst.de Signed-off-by: Jens Axboe <axboe@kernel.dk>
2024-02-26md/md-bitmap: fix incorrect usage for sb_indexHeming Zhao
Commit d7038f951828 ("md-bitmap: don't use ->index for pages backing the bitmap file") removed page->index from bitmap code, but left wrong code logic for clustered-md. current code never set slot offset for cluster nodes, will sometimes cause crash in clustered env. Call trace (partly): md_bitmap_file_set_bit+0x110/0x1d8 [md_mod] md_bitmap_startwrite+0x13c/0x240 [md_mod] raid1_make_request+0x6b0/0x1c08 [raid1] md_handle_request+0x1dc/0x368 [md_mod] md_submit_bio+0x80/0xf8 [md_mod] __submit_bio+0x178/0x300 submit_bio_noacct_nocheck+0x11c/0x338 submit_bio_noacct+0x134/0x614 submit_bio+0x28/0xdc submit_bh_wbc+0x130/0x1cc submit_bh+0x1c/0x28 Fixes: d7038f951828 ("md-bitmap: don't use ->index for pages backing the bitmap file") Cc: stable@vger.kernel.org # v6.6+ Signed-off-by: Heming Zhao <heming.zhao@suse.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Song Liu <song@kernel.org> Link: https://lore.kernel.org/r/20240223121128.28985-1-heming.zhao@suse.com
2024-02-26md: check mddev->pers before calling md_set_readonly()Li Nan
If 'mddev->pers' is NULL, there is nothing to do in md_set_readonly(). Except for md_ioctl(), the other two callers of md_set_readonly() have already checked 'mddev->pers'. To simplify the code, move the check of 'mddev->pers' to the caller. Signed-off-by: Li Nan <linan122@huawei.com> Signed-off-by: Song Liu <song@kernel.org> Link: https://lore.kernel.org/r/20240226031444.3606764-10-linan666@huaweicloud.com
2024-02-26md: clean up openers check in do_md_stop() and md_set_readonly()Li Nan
Before stopping or setting readonly, mddev_set_closing_and_sync_blockdev() is always called to check the openers. So no longer need to check it again in do_md_stop() and md_set_readonly(). Clean it up. Signed-off-by: Li Nan <linan122@huawei.com> Signed-off-by: Song Liu <song@kernel.org> Link: https://lore.kernel.org/r/20240226031444.3606764-9-linan666@huaweicloud.com
2024-02-26md: sync blockdev before stopping raid or setting readonlyLi Nan
Commit a05b7ea03d72 ("md: avoid crash when stopping md array races with closing other open fds.") added sync_block before stopping raid and setting readonly. Later in commit 260fa034ef7a ("md: avoid deadlock when dirty buffers during md_stop.") it is moved to ioctl. array_state_store() was ignored. Add sync blockdev to array_state_store() now. Signed-off-by: Li Nan <linan122@huawei.com> Signed-off-by: Song Liu <song@kernel.org> Link: https://lore.kernel.org/r/20240226031444.3606764-8-linan666@huaweicloud.com
2024-02-26md: factor out a helper to sync mddevLi Nan
There are no functional changes, prepare to sync mddev in array_state_store(). Signed-off-by: Li Nan <linan122@huawei.com> Signed-off-by: Song Liu <song@kernel.org> Link: https://lore.kernel.org/r/20240226031444.3606764-7-linan666@huaweicloud.com
2024-02-26md: Don't clear MD_CLOSING when the raid is about to stopLi Nan
The raid should not be opened anymore when it is about to be stopped. However, other processes can open it again if the flag MD_CLOSING is cleared before exiting. From now on, this flag will not be cleared when the raid will be stopped. Fixes: 065e519e71b2 ("md: MD_CLOSING needs to be cleared after called md_set_readonly or do_md_stop") Signed-off-by: Li Nan <linan122@huawei.com> Reviewed-by: Yu Kuai <yukuai3@huawei.com> Signed-off-by: Song Liu <song@kernel.org> Link: https://lore.kernel.org/r/20240226031444.3606764-6-linan666@huaweicloud.com
2024-02-26md: return directly before setting did_set_md_closingLi Nan
There is nothing to do at 'out' before setting 'did_set_md_closing' in md_ioctl(). Return directly, and it will help us to remove 'did_set_md_closing' later. Signed-off-by: Li Nan <linan122@huawei.com> Signed-off-by: Song Liu <song@kernel.org> Link: https://lore.kernel.org/r/20240226031444.3606764-5-linan666@huaweicloud.com
2024-02-26md: clean up invalid BUG_ON in md_ioctlLi Nan
'disk->private_data' is set to mddev in md_alloc() and never set to NULL, and users need to open mddev before submitting ioctl. So mddev must not have been freed during ioctl, and there is no need to check mddev here. Clean up it. Signed-off-by: Li Nan <linan122@huawei.com> Reviewed-by: Yu Kuai <yukuai3@huawei.com> Signed-off-by: Song Liu <song@kernel.org> Link: https://lore.kernel.org/r/20240226031444.3606764-4-linan666@huaweicloud.com
2024-02-26md: changed the switch of RAID_VERSION to ifLi Nan
There is only one case of this 'switch'. Change it to 'if'. Signed-off-by: Li Nan <linan122@huawei.com> Signed-off-by: Song Liu <song@kernel.org> Link: https://lore.kernel.org/r/20240226031444.3606764-3-linan666@huaweicloud.com
2024-02-26md: merge the check of capabilities into md_ioctl_valid()Li Nan
There is no functional change. Just to make code cleaner. Signed-off-by: Li Nan <linan122@huawei.com> Reviewed-by: Yu Kuai <yukuai3@huawei.com> Signed-off-by: Song Liu <song@kernel.org> Link: https://lore.kernel.org/r/20240226031444.3606764-2-linan666@huaweicloud.com
2024-02-22null_blk: Delete nullb.{queue_depth, nr_queues}John Garry
Since commit 8b631f9cf0b8 ("null_blk: remove the bio based I/O path"), struct nullb members queue_depth and nr_queues are only ever written, so delete them. With that, null_exit_hctx() can also be deleted. Signed-off-by: John Garry <john.g.garry@oracle.com> Link: https://lore.kernel.org/r/20240222083420.6026-1-john.g.garry@oracle.com Signed-off-by: Jens Axboe <axboe@kernel.dk>
2024-02-22pktcdvd: set queue limits at disk allocation timeChristoph Hellwig
Remove pkt_init_queue and just pass the two parameters directly to blk_alloc_disk. Signed-off-by: Christoph Hellwig <hch@lst.de> Link: https://lore.kernel.org/r/20240222073647.3776769-3-hch@lst.de Signed-off-by: Jens Axboe <axboe@kernel.dk>
2024-02-22pktcdvd: stop setting q->queuedataChristoph Hellwig
The two users can get the private data from the gendisk with one less pointer dereference, and we can drop the useless q parameter from pkt_make_request_write. Signed-off-by: Christoph Hellwig <hch@lst.de> Link: https://lore.kernel.org/r/20240222073647.3776769-2-hch@lst.de Signed-off-by: Jens Axboe <axboe@kernel.dk>
2024-02-20null_blk: pass queue_limits to blk_mq_alloc_diskChristoph Hellwig
Pass the queue limits directly to blk_mq_alloc_disk instead of setting them one at a time. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Damien Le Moal <dlemoal@kernel.org> Reviewed-by: Hannes Reinecke <hare@suse.de> Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com> Tested-by: Damien Le Moal <dlemoal@kernel.org> Link: https://lore.kernel.org/r/20240220093248.3290292-6-hch@lst.de Signed-off-by: Jens Axboe <axboe@kernel.dk>
2024-02-20null_blk: remove null_gendisk_registerChristoph Hellwig
null_gendisk_register isn't a very useful abstraction given that it doesn't even allocate the gendisk. Merge it into the only caller instead. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Damien Le Moal <dlemoal@kernel.org> Reviewed-by: Hannes Reinecke <hare@suse.de> Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com> Tested-by: Damien Le Moal <dlemoal@kernel.org> Link: https://lore.kernel.org/r/20240220093248.3290292-5-hch@lst.de Signed-off-by: Jens Axboe <axboe@kernel.dk>
2024-02-20null_blk: refactor tag_set setupChristoph Hellwig
Move the tagset initialization out of null_add_dev into a new null_setup_tagset helper, and move the shared vs local differences out of null_init_tag_set into the callers. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Damien Le Moal <dlemoal@kernel.org> Reviewed-by: Hannes Reinecke <hare@suse.de> Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com> Tested-by: Damien Le Moal <dlemoal@kernel.org> Link: https://lore.kernel.org/r/20240220093248.3290292-4-hch@lst.de Signed-off-by: Jens Axboe <axboe@kernel.dk>
2024-02-20null_blk: initialize the tag_set timeout in null_init_tag_setChristoph Hellwig
Otherwise it will be reset to the always same value when initializing a device using the shared tag_set. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Damien Le Moal <dlemoal@kernel.org> Reviewed-by: Hannes Reinecke <hare@suse.de> Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com> Tested-by: Damien Le Moal <dlemoal@kernel.org> Link: https://lore.kernel.org/r/20240220093248.3290292-3-hch@lst.de Signed-off-by: Jens Axboe <axboe@kernel.dk>
2024-02-20null_blk: remove the bio based I/O pathChristoph Hellwig
The bio based I/O path complicates null_blk and also make various data structures, including the per-command one way bigger than required for the main request based interface. As the bio-based path is mostly used by stacking drivers and simple memory based drivers, and brd is a good example driver for the latter there is no need to have a bio based path in null_blk. Remove the path to simplify the driver and make future block layer API changes simpler by not having to deal with the complex two API setup in null_blk. Note that the queue_mode field in struct nullb_device is kept as that is simpler than having two different places to check the value and fully open coding the debugfs helpers as the existing ones won't work without a named struct member. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Damien Le Moal <dlemoal@kernel.org> Reviewed-by: Hannes Reinecke <hare@suse.de> Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com> Tested-by: Damien Le Moal <dlemoal@kernel.org> Link: https://lore.kernel.org/r/20240220093248.3290292-2-hch@lst.de Signed-off-by: Jens Axboe <axboe@kernel.dk>
2024-02-19mmc: pass queue_limits to blk_mq_alloc_diskChristoph Hellwig
Pass the queue limit set at initialization time directly to blk_mq_alloc_disk instead of updating it right after the allocation. This requires refactoring the code a bit so that what was mmc_setup_queue before also allocates the gendisk now and actually sets all limits. Signed-off-by: Christoph Hellwig <hch@lst.de> Acked-by: Ulf Hansson <ulf.hansson@linaro.org> Link: https://lore.kernel.org/r/20240215070300.2200308-18-hch@lst.de Signed-off-by: Jens Axboe <axboe@kernel.dk>
2024-02-19ublk: pass queue_limits to blk_mq_alloc_diskChristoph Hellwig
Pass the limits ublk imposes directly to blk_mq_alloc_disk instead of setting them one at a time. Signed-off-by: Christoph Hellwig <hch@lst.de> Link: https://lore.kernel.org/r/20240215070300.2200308-17-hch@lst.de Signed-off-by: Jens Axboe <axboe@kernel.dk>
2024-02-19scm_blk: pass queue_limits to blk_mq_alloc_diskChristoph Hellwig
Pass the few limits scm_block imposes directly to blk_mq_alloc_disk instead of setting them one at a time. Signed-off-by: Christoph Hellwig <hch@lst.de> Link: https://lore.kernel.org/r/20240215070300.2200308-16-hch@lst.de Signed-off-by: Jens Axboe <axboe@kernel.dk>
2024-02-19ubiblock: pass queue_limits to blk_mq_alloc_diskChristoph Hellwig
Pass the few limits ubiblock imposes directly to blk_mq_alloc_disk instead of setting them one at a time. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Zhihao Cheng <chengzhihao1@huawei.com> Link: https://lore.kernel.org/r/20240215070300.2200308-15-hch@lst.de Signed-off-by: Jens Axboe <axboe@kernel.dk>
2024-02-19mtd_blkdevs: pass queue_limits to blk_mq_alloc_diskChristoph Hellwig
Pass the few limits mtd_blkdevs imposes directly to blk_mq_alloc_disk instead of setting them one at a time. Signed-off-by: Christoph Hellwig <hch@lst.de> Link: https://lore.kernel.org/r/20240215070300.2200308-14-hch@lst.de Signed-off-by: Jens Axboe <axboe@kernel.dk>
2024-02-19mspro_block: pass queue_limits to blk_mq_alloc_diskChristoph Hellwig
Pass the few limits mspro_block imposes directly to blk_mq_alloc_disk instead of setting them one at a time. Signed-off-by: Christoph Hellwig <hch@lst.de> Link: https://lore.kernel.org/r/20240215070300.2200308-13-hch@lst.de Signed-off-by: Jens Axboe <axboe@kernel.dk>
2024-02-19ms_block: pass queue_limits to blk_mq_alloc_diskChristoph Hellwig
Pass the few limits ms_block imposes directly to blk_mq_alloc_disk instead of setting them one at a time. Signed-off-by: Christoph Hellwig <hch@lst.de> Link: https://lore.kernel.org/r/20240215070300.2200308-12-hch@lst.de Signed-off-by: Jens Axboe <axboe@kernel.dk>
2024-02-19gdrom: pass queue_limits to blk_mq_alloc_diskChristoph Hellwig
Pass the few limits gdrom imposes directly to blk_mq_alloc_disk instead of setting them one at a time. Signed-off-by: Christoph Hellwig <hch@lst.de> Link: https://lore.kernel.org/r/20240215070300.2200308-11-hch@lst.de Signed-off-by: Jens Axboe <axboe@kernel.dk>
2024-02-19sunvdc: pass queue_limits to blk_mq_alloc_diskChristoph Hellwig
Pass the few limits sunvdc imposes directly to blk_mq_alloc_disk instead of setting them one at a time. Signed-off-by: Christoph Hellwig <hch@lst.de> Link: https://lore.kernel.org/r/20240215070300.2200308-10-hch@lst.de Signed-off-by: Jens Axboe <axboe@kernel.dk>
2024-02-19rnbd-clt: pass queue_limits to blk_mq_alloc_diskChristoph Hellwig
Pass the limits rnbd-clt imposes directly to blk_mq_alloc_disk instead of setting them one at a time. While at it don't set an explicit number of discard segments, as 1 is the default (which most drivers rely on). Signed-off-by: Christoph Hellwig <hch@lst.de> Acked-by: Jack Wang <jinpu.wang@ionos.com> Link: https://lore.kernel.org/r/20240215070300.2200308-9-hch@lst.de Signed-off-by: Jens Axboe <axboe@kernel.dk>
2024-02-19rbd: pass queue_limits to blk_mq_alloc_diskChristoph Hellwig
Pass the limits rbd imposes directly to blk_mq_alloc_disk instead of setting them one at a time. Signed-off-by: Christoph Hellwig <hch@lst.de> Link: https://lore.kernel.org/r/20240215070300.2200308-8-hch@lst.de Signed-off-by: Jens Axboe <axboe@kernel.dk>
2024-02-19ps3disk: pass queue_limits to blk_mq_alloc_diskChristoph Hellwig
Pass the few limits ps3disk imposes directly to blk_mq_alloc_disk instead of setting them one at a time. Signed-off-by: Christoph Hellwig <hch@lst.de> Link: https://lore.kernel.org/r/20240215070300.2200308-7-hch@lst.de Signed-off-by: Jens Axboe <axboe@kernel.dk>
2024-02-19nbd: pass queue_limits to blk_mq_alloc_diskChristoph Hellwig
Pass the few limits nbd imposes directly to blk_mq_alloc_disk instead of setting them one at a time. Signed-off-by: Christoph Hellwig <hch@lst.de> Link: https://lore.kernel.org/r/20240215070300.2200308-6-hch@lst.de Signed-off-by: Jens Axboe <axboe@kernel.dk>
2024-02-19mtip: pass queue_limits to blk_mq_alloc_diskChristoph Hellwig
Pass the few limits mtip imposes directly to blk_mq_alloc_disk instead of setting them one at a time and drop the pointless setting of a io_min that is equal to the physical block size. Signed-off-by: Christoph Hellwig <hch@lst.de> Link: https://lore.kernel.org/r/20240215070300.2200308-5-hch@lst.de Signed-off-by: Jens Axboe <axboe@kernel.dk>
2024-02-19floppy: pass queue_limits to blk_mq_alloc_diskChristoph Hellwig
Pass the few limits floppy imposes directly to blk_mq_alloc_disk instead of setting them one at a time. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Denis Efremov <efremov@linux.com> Link: https://lore.kernel.org/r/20240215070300.2200308-4-hch@lst.de Signed-off-by: Jens Axboe <axboe@kernel.dk>
2024-02-19aoe: pass queue_limits to blk_mq_alloc_diskChristoph Hellwig
Pass the few limits aoe imposes directly to blk_mq_alloc_disk instead of setting them one at a time and improve the way the default max_hw_sectors is initialized while we're at it. Signed-off-by: Christoph Hellwig <hch@lst.de> Link: https://lore.kernel.org/r/20240215070300.2200308-3-hch@lst.de Signed-off-by: Jens Axboe <axboe@kernel.dk>
2024-02-19dcssblk: pass queue_limits to blk_mq_alloc_diskChristoph Hellwig
Pass the queue limits directly to blk_alloc_disk instead of setting them one at a time. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Dan Williams <dan.j.williams@intel.com> Reviewed-by: Himanshu Madhani <himanshu.madhani@oracle.com> Link: https://lore.kernel.org/r/20240215071055.2201424-10-hch@lst.de Signed-off-by: Jens Axboe <axboe@kernel.dk>
2024-02-19pmem: pass queue_limits to blk_mq_alloc_diskChristoph Hellwig
Pass the queue limits directly to blk_alloc_disk instead of setting them one at a time. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Chaitanya Kulkarni <kch@nvidia.com> Reviewed-by: Dave Jiang <dave.jiang@intel.com> Reviewed-by: Dan Williams <dan.j.williams@intel.com> Reviewed-by: Himanshu Madhani <himanshu.madhani@oracle.com> Link: https://lore.kernel.org/r/20240215071055.2201424-9-hch@lst.de Signed-off-by: Jens Axboe <axboe@kernel.dk>
2024-02-19btt: pass queue_limits to blk_mq_alloc_diskChristoph Hellwig
Pass the queue limits directly to blk_alloc_disk instead of setting them one at a time. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Dave Jiang <dave.jiang@intel.com> Reviewed-by: Dan Williams <dan.j.williams@intel.com> Reviewed-by: Himanshu Madhani <himanshu.madhani@oracle.com> Link: https://lore.kernel.org/r/20240215071055.2201424-8-hch@lst.de Signed-off-by: Jens Axboe <axboe@kernel.dk>
2024-02-19bcache: pass queue_limits to blk_mq_alloc_diskChristoph Hellwig
Pass the queue limits directly to blk_alloc_disk instead of setting them one at a time. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Chaitanya Kulkarni <kch@nvidia.com> Reviewed-by: Dan Williams <dan.j.williams@intel.com> Reviewed-by: Himanshu Madhani <himanshu.madhani@oracle.com> Link: https://lore.kernel.org/r/20240215071055.2201424-7-hch@lst.de Signed-off-by: Jens Axboe <axboe@kernel.dk>
2024-02-19zram: pass queue_limits to blk_mq_alloc_diskChristoph Hellwig
Pass the queue limits directly to blk_alloc_disk instead of setting them one at a time. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Sergey Senozhatsky <senozhatsky@chromium.org> Reviewed-by: Dan Williams <dan.j.williams@intel.com> Reviewed-by: Himanshu Madhani <himanshu.madhani@oracle.com> Link: https://lore.kernel.org/r/20240215071055.2201424-6-hch@lst.de Signed-off-by: Jens Axboe <axboe@kernel.dk>
2024-02-19n64cart: pass queue_limits to blk_mq_alloc_diskChristoph Hellwig
Pass the queue limits directly to blk_alloc_disk instead of setting them one at a time. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Chaitanya Kulkarni <kch@nvidia.com> Reviewed-by: Dan Williams <dan.j.williams@intel.com> Reviewed-by: Himanshu Madhani <himanshu.madhani@oracle.com> Link: https://lore.kernel.org/r/20240215071055.2201424-5-hch@lst.de Signed-off-by: Jens Axboe <axboe@kernel.dk>
2024-02-19brd: pass queue_limits to blk_mq_alloc_diskChristoph Hellwig
Pass the queue limits directly to blk_alloc_disk instead of setting them one at a time. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Chaitanya Kulkarni <kch@nvidia.com> Reviewed-by: Dan Williams <dan.j.williams@intel.com> Reviewed-by: Himanshu Madhani <himanshu.madhani@oracle.com> Link: https://lore.kernel.org/r/20240215071055.2201424-4-hch@lst.de Signed-off-by: Jens Axboe <axboe@kernel.dk>
2024-02-19block: pass a queue_limits argument to blk_alloc_diskChristoph Hellwig
Pass a queue_limits to blk_alloc_disk and apply it if non-NULL. This will allow allocating queues with valid queue limits instead of setting the values one at a time later. Also change blk_alloc_disk to return an ERR_PTR instead of just NULL which can't distinguish errors. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Dan Williams <dan.j.williams@intel.com> Reviewed-by: Himanshu Madhani <himanshu.madhani@oracle.com> Link: https://lore.kernel.org/r/20240215071055.2201424-2-hch@lst.de Signed-off-by: Jens Axboe <axboe@kernel.dk>
2024-02-18nbd: null check for nla_nest_startNavid Emamdoost
nla_nest_start() may fail and return NULL. Insert a check and set errno based on other call sites within the same source code. Signed-off-by: Navid Emamdoost <navid.emamdoost@gmail.com> Reviewed-by: Michal Kubecek <mkubecek@suse.cz> Fixes: 47d902b90a32 ("nbd: add a status netlink command") Signed-off-by: Kees Cook <keescook@chromium.org> Link: https://lore.kernel.org/r/20240218042534.it.206-kees@kernel.org Signed-off-by: Jens Axboe <axboe@kernel.dk>
2024-02-16Merge tag 'md-6.9-20240216' of ↵Jens Axboe
https://git.kernel.org/pub/scm/linux/kernel/git/song/md into for-6.9/block Pull MD changes from Song: "1. Cleanup redundant checks, by Yu Kuai. 2. Remove deprecated headers, by Marc Zyngier and Song Liu. 3. Concurrency fixes, by Li Lingfeng. 4. Memory leak fix, by Li Nan." * tag 'md-6.9-20240216' of https://git.kernel.org/pub/scm/linux/kernel/git/song/md: md: fix kmemleak of rdev->serial md/multipath: Remove md-multipath.h md/linear: Get rid of md-linear.h md: use RCU lock to protect traversal in md_spares_need_change() md: get rdev->mddev with READ_ONCE() md: remove redundant md_wakeup_thread() md: remove redundant check of 'mddev->sync_thread'
2024-02-13loop: use the atomic queue limits update APIChristoph Hellwig
Pass the default limits to blk_mq_alloc_disk and then use the queue_limits_{start,commit}_update API to change the limits in an atomic way on existing loop gendisks. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Keith Busch <kbusch@kernel.org> Reviewed-by: Chaitanya Kulkarni <kch@nvidia.com> Reviewed-by: Ming Lei <ming.lei@redhat.com> Reviewed-by: Damien Le Moal <dlemoal@kernel.org> Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com> Reviewed-by: Hannes Reinecke <hare@suse.de> Link: https://lore.kernel.org/r/20240213073425.1621680-16-hch@lst.de Signed-off-by: Jens Axboe <axboe@kernel.dk>
2024-02-13loop: pass queue_limits to blk_mq_alloc_diskChristoph Hellwig
Pass the max_hw_sector limit loop sets at initialization time directly to blk_mq_alloc_disk instead of updating it right after the allocation. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Keith Busch <kbusch@kernel.org> Reviewed-by: Chaitanya Kulkarni <kch@nvidia.com> Reviewed-by: Ming Lei <ming.lei@redhat.com> Reviewed-by: Damien Le Moal <dlemoal@kernel.org> Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com> Reviewed-by: Hannes Reinecke <hare@suse.de> Link: https://lore.kernel.org/r/20240213073425.1621680-15-hch@lst.de Signed-off-by: Jens Axboe <axboe@kernel.dk>
2024-02-13loop: cleanup loop_config_discardChristoph Hellwig
Initialize the local variables for the discard max sectors and granularity to zero as a sensible default, and then merge the calls assigning them to the queue limits. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Keith Busch <kbusch@kernel.org> Reviewed-by: Chaitanya Kulkarni <kch@nvidia.com> Reviewed-by: Ming Lei <ming.lei@redhat.com> Reviewed-by: Damien Le Moal <dlemoal@kernel.org> Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com> Reviewed-by: Hannes Reinecke <hare@suse.de> Link: https://lore.kernel.org/r/20240213073425.1621680-14-hch@lst.de Signed-off-by: Jens Axboe <axboe@kernel.dk>