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a9ee3f8406
blk-mq already provides a unique tag per request. Some libsas LLDDs - like hisi_sas - already use this tag as the unique per-I/O HW tag. Add a common function to provide the request associated with a sas_task for all libsas LLDDs. Signed-off-by: John Garry <john.garry@huawei.com> Link: https://lore.kernel.org/r/1666091763-11023-2-git-send-email-john.garry@huawei.com Reviewed-by: Jack Wang <jinpu.wang@ionos.com> Reviewed-by: Jason Yan <yanaijie@huawei.com> Reviewed-by: Hannes Reinecke <hare@suse.de> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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.