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Guixin Liu
bafd590910
We currently rely on gendisk's file operations (fops) to distinguish between a namespace head (ns_head) and a regular namespace. To enhance code readability, introduce a helper function. Additionally, we must ensure that the device is not an ns_head before calling nvme_get_ns_from_dev(). To enforce this, add a WARN_ON check within the nvme_get_ns_from_dev(). Signed-off-by: Guixin Liu <kanie@linux.alibaba.com> Reviewed-by: Sagi Grimberg <sagi@grimberg.me> Reviewed-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Liu Song <liusong@linux.alibaba.com> [include fix: https://lore.kernel.org/oe-kbuild-all/202401031943.0N72Tkji-lkp@intel.com/] Signed-off-by: Keith Busch <kbusch@kernel.org>
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.