Martin K. Petersen 294d66c35a scsi: core: Add scsi_prot_ref_tag() helper
[ Upstream commit 7ba46799d34695534666a3f71a2be10ea85ece6c ]

We are about to remove the request pointer from struct scsi_cmnd and that
will complicate getting to the ref_tag via t10_pi_ref_tag() in the various
drivers. Introduce a helper function to retrieve the reference tag so
drivers will not have to worry about the details.

Link: https://lore.kernel.org/r/20210609033929.3815-2-martin.petersen@oracle.com
Reviewed-by: Bart Van Assche <bvanassche@acm.org>
Reviewed-by: Benjamin Block <bblock@linux.ibm.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Message-Id: <20210609033929.3815-2-martin.petersen@oracle.com>
Stable-dep-of: 066c5b46b6ea ("scsi: core: Always send batch on reset or error handling command")
Signed-off-by: Sasha Levin <sashal@kernel.org>
2024-01-05 15:12:30 +01:00
2024-01-05 15:12:29 +01:00
2023-04-05 11:23:43 +02:00
2020-10-17 11:18:18 -07:00
2023-06-21 15:45:38 +02:00
2023-12-20 15:44:42 +01:00

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.
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