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1909b64303
When the tcm_loop_nr_hw_queues is set to a value greater than 1, the
tags of requests in the block layer are no longer unique. This may lead
to erroneous aborting of commands with the same tag. The issue can be
resolved by using blk_mq_unique_tag to generate globally unique
identifiers by combining the hardware queue index and per-queue tags.
Fixes: 6375f89082 ("tcm_loop: Fixup tag handling")
Signed-off-by: Guixin Liu <kanie@linux.alibaba.com>
Link: https://lore.kernel.org/r/20250313014728.105849-1-kanie@linux.alibaba.com
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 reStructuredText 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.