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a2b5d6f975
Fix two bugs in the LUN refcounting:
1. For the TCM_WRITE_PROTECTED case we were returning an error after
taking a ref to the LUN, but never dropping it (caller just send status
and drops cmd ref).
2. We still need to do a percpu_ref_tryget_live for the virt LUN 0 like we
do for other LUNs, because the TPG code does the refcount/wait process
like it does with other LUNs.
Link: https://lore.kernel.org/r/1604257174-4524-2-git-send-email-michael.christie@oracle.com
Reviewed-by: Himanshu Madhani <himanshu.madhani@oracle.com>
Signed-off-by: Mike Christie <michael.christie@oracle.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 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.