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* blk-mq: include <linux/blk-mq.h> in block/blk-mq.hChristoph Hellwig2023-04-131-1/+0
| | | | | | | | | | | block/blk-mq.h needs various definitions from <linux/blk-mq.h>, include it there instead of relying on the source files to include both. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Damien Le Moal <dlemoal@kernel.org> Link: https://lore.kernel.org/r/20230413064057.707578-4-hch@lst.de Signed-off-by: Jens Axboe <axboe@kernel.dk>
* block: Change the return type of blk_mq_map_queues() into voidBart Van Assche2022-08-221-3/+4
| | | | | | | | | | | | | | | | | | | | Since blk_mq_map_queues() and the .map_queues() callbacks always return 0, change their return type into void. Most callers ignore the returned value anyway. Cc: Christoph Hellwig <hch@lst.de> Cc: Jason Wang <jasowang@redhat.com> Cc: Keith Busch <kbusch@kernel.org> Cc: Martin K. Petersen <martin.petersen@oracle.com> Cc: Doug Gilbert <dgilbert@interlog.com> Cc: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Bart Van Assche <bvanassche@acm.org> Reviewed-by: John Garry <john.garry@huawei.com> Acked-by: Md Haris Iqbal <haris.iqbal@ionos.com> Reviewed-by: Sagi Grimberg <sagi@grimberg.me> Link: https://lore.kernel.org/r/20220815170043.19489-3-bvanassche@acm.org [axboe: fold in fix from Bart] Signed-off-by: Jens Axboe <axboe@kernel.dk>
* blk-mq: Fix typo in commentGabriela Bittencourt2020-03-171-1/+1
| | | | | | | | | Fix typo in words: 'vector' and 'query'. Signed-off-by: Gabriela Bittencourt <gabrielabittencourt00@gmail.com> Reviewed-by: Chaitanya Kulkarni <chaitanya.kulkarni@wdc.com> Acked-by: Julia Lawall <julia.lawall@lip6.fr> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
* block: Fix blk_mq_*_map_queues() kernel-doc headersBart Van Assche2019-05-311-2/+2
| | | | | | | | | | | | | This patch avoids that the kernel-doc script complains about these function headers when building with W=1. Cc: Hannes Reinecke <hare@suse.com> Cc: Keith Busch <keith.busch@intel.com> Fixes: ed76e329d74a ("blk-mq: abstract out queue map") # v5.0. Fixes: e42b3867de4b ("blk-mq-rdma: pass in queue map to blk_mq_rdma_map_queues") # v5.0. Reviewed-by: Chaitanya Kulkarni <chiatanya.kulkarni@wdc.com> Signed-off-by: Bart Van Assche <bvanassche@acm.org> Signed-off-by: Jens Axboe <axboe@kernel.dk>
* block: switch all files cleared marked as GPLv2 to SPDX tagsChristoph Hellwig2019-05-011-9/+1
| | | | | | | | | All these files have some form of the usual GPLv2 boilerplate. Switch them to use SPDX tags instead. Reviewed-by: Chaitanya Kulkarni <chaitanya.kulkarni@wdc.com> Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Jens Axboe <axboe@kernel.dk>
* blk-mq: initial support for multiple queue mapsJens Axboe2018-11-071-1/+1
| | | | | | | | | | | | | Add a queue offset to the tag map. This enables users to map iteratively, for each queue map type they support. Bump maximum number of supported maps to 2, we're now fully able to support more than 1 map. Reviewed-by: Hannes Reinecke <hare@suse.com> Reviewed-by: Keith Busch <keith.busch@intel.com> Reviewed-by: Sagi Grimberg <sagi@grimberg.me> Signed-off-by: Jens Axboe <axboe@kernel.dk>
* blk-mq: abstract out queue mapJens Axboe2018-11-071-4/+4
| | | | | | | | | | This is in preparation for allowing multiple sets of maps per queue, if so desired. Reviewed-by: Hannes Reinecke <hare@suse.com> Reviewed-by: Bart Van Assche <bvanassche@acm.org> Reviewed-by: Keith Busch <keith.busch@intel.com> Signed-off-by: Jens Axboe <axboe@kernel.dk>
* blk-mq: provide a default queue mapping for virtio deviceChristoph Hellwig2017-02-271-0/+54
Similar to the PCI version, just calling into virtio instead. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>