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Logan Gunthorpe
f783f444ce
nvme_ctrl_get_by_path() is analogous to blkdev_get_by_path() except it gets a struct nvme_ctrl from the path to its char dev (/dev/nvme0). It makes use of filp_open() to open the file and uses the private data to obtain a pointer to the struct nvme_ctrl. If the fops of the file do not match, -EINVAL is returned. The purpose of this function is to support NVMe-OF target passthru and is exported under the NVME_TARGET_PASSTHRU namespace. Signed-off-by: Logan Gunthorpe <[email protected]> Reviewed-by: Keith Busch <[email protected]> Reviewed-by: Sagi Grimberg <[email protected]> Reviewed-by: Max Gurtovoy <[email protected]> Signed-off-by: Christoph Hellwig <[email protected]>
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.