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6500d2045d
There is a report that the blktests scsi/004 test for "TASK SET FULL" (TSF)
now fails.
The condition upon we should issue this TSF is when the sdev queue is
full. The check for a full queue has an off-by-1 error. Previously we would
increment the number of requests in the queue after testing if the queue
would be full, i.e. test if one less than full. Since we now use
scsi_device_busy() to count the number of requests in the queue, this would
already account for the current request, so fix the test for queue full
accordingly.
Fixes: 151f0ec9dd ("scsi: scsi_debug: Drop sdebug_dev_info.num_in_q")
Reported-by: kernel test robot <oliver.sang@intel.com>
Link: https://lore.kernel.org/oe-lkp/202303201334.18b30edc-oliver.sang@intel.com
Signed-off-by: John Garry <john.g.garry@oracle.com>
Link: https://lore.kernel.org/r/20230327074310.1862889-2-john.g.garry@oracle.com
Acked-by: Douglas Gilbert <dgilbert@interlog.com>
Tested-by: Yi Zhang <yi.zhang@redhat.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.