block: Generalize physical entry definition #379
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* io_uring-6.19: io_uring/kbuf: use READ_ONCE() for userspace-mapped memory io_uring/rsrc: fix lost entries after cloned range io_uring/rsrc: rename misleading src_node variable in io_clone_buffers() io_uring/rsrc: clean up buffer cloning arg validation io_uring/trace: rename io_uring_queue_async_work event "rw" field io_uring/io-wq: always retry worker create on ERESTART* io_uring/poll: correctly handle io_poll_add() return value on update
* block-6.19: (27 commits) nvme-fabrics: add ENOKEY to no retry criteria for authentication failures nvme-auth: use kvfree() for memory allocated with kvcalloc() nvmet-tcp: use kvcalloc for commands array nvmet-rdma: use kvcalloc for commands and responses arrays nvme: fix typo error in nvme target nvmet-fc: use pr_* print macros instead of dev_* nvmet-fcloop: remove unused lsdir member. nvmet-fcloop: check all request and response have been processed nvme-fc: check all request and response have been processed block: fix memory leak in __blkdev_issue_zero_pages block: fix comment for op_is_zone_mgmt() to include RESET_ALL block: Clear BLK_ZONE_WPLUG_PLUGGED when aborting plugged BIOs blk-mq: Abort suspend when wakeup events are pending blk-mq: add blk_rq_nr_bvec() helper block: add IOC_PR_READ_RESERVATION ioctl block: add IOC_PR_READ_KEYS ioctl nvme: reject invalid pr_read_keys() num_keys values scsi: sd: reject invalid pr_read_keys() num_keys values block: enable per-cpu bio cache by default block: use bio_alloc_bioset for passthru IO by default ...
* io_uring-6.19: io_uring/kbuf: use WRITE_ONCE() for userspace-shared buffer ring fields
* io_uring-6.19: io_uring/poll: unify poll waitqueue entry and list removal
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This patch changes the length variables from unsigned int to size_t. Using size_t ensures that we can handle larger sizes, as size_t is always equal to or larger than the previously used u32 type. Originally, u32 was used because blk-mq-dma code evolved from scatter-gather implementation, which uses unsigned int to describe length. This change will also allow us to reuse the existing struct phys_vec in places that don't need scatter-gather. Signed-off-by: Leon Romanovsky <leonro@nvidia.com> Reviewed-by: Chaitanya Kulkarni <kch@nvidia.com>
Move the struct phys_vec definition from block/blk-mq-dma.c to include/linux/types.h to make it available for use across the kernel. The phys_vec structure represents a physical address range with a length, which is used by the new physical address-based DMA mapping API. This structure is already used by the block layer and will be needed for DMA phys API users. Moving this definition to types.h provides a centralized location for this common data structure and eliminates code duplication across subsystems that need to work with physical address ranges. Signed-off-by: Leon Romanovsky <leonro@nvidia.com> Reviewed-by: Chaitanya Kulkarni <kch@nvidia.com>
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Pull request for series with
subject: block: Generalize physical entry definition
version: 1
url: https://patchwork.kernel.org/project/linux-block/list/?series=1023856