- 20 Feb, 2024 5 commits
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Christoph Hellwig authored
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:
Jens Axboe <axboe@kernel.dk>
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Christoph Hellwig authored
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:
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Christoph Hellwig authored
Otherwise it will be reset to the always same value when initializing a device using the shared tag_set. Signed-off-by:
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Christoph Hellwig authored
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:
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Christoph Hellwig authored
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:
Ulf Hansson <ulf.hansson@linaro.org> Link: https://lore.kernel.org/r/20240215070300.2200308-18-hch@lst.deSigned-off-by:
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- 19 Feb, 2024 25 commits
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Christoph Hellwig authored
Pass the limits ublk imposes directly to blk_mq_alloc_disk instead of setting them one at a time. Signed-off-by:
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Christoph Hellwig authored
Pass the few limits scm_block imposes directly to blk_mq_alloc_disk instead of setting them one at a time. Signed-off-by:
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Christoph Hellwig authored
Pass the few limits ubiblock imposes directly to blk_mq_alloc_disk instead of setting them one at a time. Signed-off-by:
Zhihao Cheng <chengzhihao1@huawei.com> Link: https://lore.kernel.org/r/20240215070300.2200308-15-hch@lst.deSigned-off-by:
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Christoph Hellwig authored
Pass the few limits mtd_blkdevs imposes directly to blk_mq_alloc_disk instead of setting them one at a time. Signed-off-by:
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Christoph Hellwig authored
Pass the few limits mspro_block imposes directly to blk_mq_alloc_disk instead of setting them one at a time. Signed-off-by:
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Christoph Hellwig authored
Pass the few limits ms_block imposes directly to blk_mq_alloc_disk instead of setting them one at a time. Signed-off-by:
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Christoph Hellwig authored
Pass the few limits gdrom imposes directly to blk_mq_alloc_disk instead of setting them one at a time. Signed-off-by:
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Christoph Hellwig authored
Pass the few limits sunvdc imposes directly to blk_mq_alloc_disk instead of setting them one at a time. Signed-off-by:
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Christoph Hellwig authored
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:
Jack Wang <jinpu.wang@ionos.com> Link: https://lore.kernel.org/r/20240215070300.2200308-9-hch@lst.deSigned-off-by:
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Christoph Hellwig authored
Pass the limits rbd imposes directly to blk_mq_alloc_disk instead of setting them one at a time. Signed-off-by:
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Christoph Hellwig authored
Pass the few limits ps3disk imposes directly to blk_mq_alloc_disk instead of setting them one at a time. Signed-off-by:
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Christoph Hellwig authored
Pass the few limits nbd imposes directly to blk_mq_alloc_disk instead of setting them one at a time. Signed-off-by:
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Christoph Hellwig authored
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:
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Christoph Hellwig authored
Pass the few limits floppy imposes directly to blk_mq_alloc_disk instead of setting them one at a time. Signed-off-by:
Denis Efremov <efremov@linux.com> Link: https://lore.kernel.org/r/20240215070300.2200308-4-hch@lst.deSigned-off-by:
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Christoph Hellwig authored
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:
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Christoph Hellwig authored
Pass the few limits ubd imposes directly to blk_mq_alloc_disk instead of setting them one at a time. Signed-off-by:
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Christoph Hellwig authored
Pass the queue limits directly to blk_alloc_disk instead of setting them one at a time. Signed-off-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.deSigned-off-by:
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Christoph Hellwig authored
Pass the queue limits directly to blk_alloc_disk instead of setting them one at a time. Signed-off-by:
Chaitanya Kulkarni <kch@nvidia.com> Reviewed-by:
Dave Jiang <dave.jiang@intel.com> Reviewed-by:
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Christoph Hellwig authored
Pass the queue limits directly to blk_alloc_disk instead of setting them one at a time. Signed-off-by:
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Christoph Hellwig authored
Pass the queue limits directly to blk_alloc_disk instead of setting them one at a time. Signed-off-by:
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Christoph Hellwig authored
Pass the queue limits directly to blk_alloc_disk instead of setting them one at a time. Signed-off-by:
Sergey Senozhatsky <senozhatsky@chromium.org> Reviewed-by:
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Christoph Hellwig authored
Pass the queue limits directly to blk_alloc_disk instead of setting them one at a time. Signed-off-by:
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Christoph Hellwig authored
Pass the queue limits directly to blk_alloc_disk instead of setting them one at a time. Signed-off-by:
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Christoph Hellwig authored
Pass the queue limits directly to blk_alloc_disk instead of setting them one at a time. Signed-off-by:
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Christoph Hellwig authored
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:
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- 18 Feb, 2024 1 commit
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Navid Emamdoost authored
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: 47d902b9 ("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.orgSigned-off-by:
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- 16 Feb, 2024 1 commit
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Jens Axboe authored
Merge tag 'md-6.9-20240216' of 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'
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- 13 Feb, 2024 8 commits
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Christoph Hellwig authored
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:Keith Busch <kbusch@kernel.org> Reviewed-by:
Ming Lei <ming.lei@redhat.com> Reviewed-by:
Martin K. Petersen <martin.petersen@oracle.com> Reviewed-by:
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Christoph Hellwig authored
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:
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Christoph Hellwig authored
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:
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Christoph Hellwig authored
Call virtblk_read_limits and most of virtblk_probe_zoned_device before allocating the gendisk and thus request_queue and make them read into a queue_limits structure instead. Pass this initialized queue_limits to blk_mq_alloc_disk to set the queue up with the right parameters from the start and only leave a few final touches for zoned devices to be done just before adding the disk. Signed-off-by:
Stefan Hajnoczi <stefanha@redhat.com> Reviewed-by:
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Christoph Hellwig authored
Split out a virtblk_read_limits helper that just reads the various queue limits to separate it from the higher level probing logic. Signed-off-by:
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Christoph Hellwig authored
Pass a queue_limits to blk_mq_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. Signed-off-by:
John Garry <john.g.garry@oracle.com> Reviewed-by:
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Christoph Hellwig authored
Pass a queue_limits to blk_mq_init_queue 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 rename the function to blk_mq_alloc_queue as that is a much better name for a function that allocates a queue and always pass the queuedata argument instead of having a separate version for the extra argument. Signed-off-by:
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Christoph Hellwig authored
Pass a queue_limits to blk_alloc_queue and apply it after validating and capping the values using blk_validate_limits. This will allow allocating queues with valid queue limits instead of setting the values one at a time later. Signed-off-by:
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