Mike Christie f24ee7391a scsi: core: Fix passthrough retry counter handling
commit fac8e558da9485e13a0ae0488aa0b8a8c307cd34 upstream.

Passthrough users will set the scsi_cmnd->allowed value and were expecting
up to $allowed retries. The problem is that before:

commit 6aded12b10e0 ("scsi: core: Remove struct scsi_request")

we used to set the retries on the scsi_request then copy them over to
scsi_cmnd->allowed in scsi_setup_scsi_cmnd. With that patch we now set
scsi_cmnd->allowed to 0 in scsi_prepare_cmd and overwrite what the
passthrough user set.

This moves the allowed initialization to after the blk_rq_is_passthrough()
check so it's only done for the non-passthrough path where the ULD
init_command will normally set an allowed value it prefers.

Link: https://lore.kernel.org/r/20220812011206.9157-1-michael.christie@oracle.com
Fixes: 6aded12b10e0 ("scsi: core: Remove struct scsi_request")
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Mike Christie <michael.christie@oracle.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2022-08-31 17:18:20 +02:00
2022-08-31 17:18:19 +02:00
2022-08-31 17:18:19 +02:00
2022-08-31 17:18:11 +02:00
2022-07-27 09:43:07 -07:00
2022-08-29 11:18:05 +02:00

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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