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75199aa526
Pull NVMe changes from Christoph: "Below is the first batch of nvme updates for 5.2. This includes the performance improvements for single segment I/O on PCIe, which introduce new block helpers, so it might be a good idea to get them in early. - various performance optimizations in the PCIe code (Keith and me) - new block helpers to support the above (me) - nvmet error conversion cleanup (me) - nvmet-fc variable sized array cleanup (Gustavo) - passthrough ioctl error printk cleanup (Kenneth) - small nvmet fixes (Max) - endianess conversion cleanup (Max) - nvmet-tcp faspath completion optimization (Sagi)" * 'nvme-5.2' of git://git.infradead.org/nvme: (24 commits) nvme: log the error status on Identify Namespace failure nvmet: add safety check for subsystem lock during nvmet_ns_changed nvmet: never fail double namespace enablement nvme-pci: tidy up nvme_map_data nvme-pci: optimize mapping single segment requests using SGLs nvme-pci: optimize mapping of small single segment requests nvme-pci: remove the inline scatterlist optimization nvme-pci: split metadata handling from nvme_map_data / nvme_unmap_data nvme-pci: do not build a scatterlist to map metadata nvme-pci: only call nvme_unmap_data for requests transferring data nvme-pci: merge nvme_free_iod into nvme_unmap_data nvme-pci: move the call to nvme_cleanup_cmd out of nvme_unmap_data nvme-pci: remove nvme_init_iod block: add dma_map_bvec helper block: add a rq_dma_dir helper block: add a rq_integrity_vec helper block: add a req_bvec helper nvme-pci: remove unused nvme_iod member nvme-pci: remove q_dmadev from nvme_queue nvme-pci: use a flag for polled queues ... |
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Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.