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[ Upstream commit f1393d52e6cda9c20f12643cbecf1e1dc357e0e2 ] Correct a rare multipath failure issue by reverting commit94a68c8143("scsi: smartpqi: Quickly propagate path failures to SCSI midlayer") [1]. Reason for revert: The patch propagated the path failure to SML quickly when one of the path fails during IO and AIO path gets disabled for a multipath device. But it created a new issue: when creating a volume on an encryption-enabled controller, the firmware reports the AIO path is disabled, which cause the driver to report a path failure to SML for a multipath device. There will be a new fix to handle "Illegal request" and "Invalid field in parameter list" on RAID path when the AIO path is disabled on a multipath device. [1] https://lore.kernel.org/all/164375209313.440833.9992416628621839233.stgit@brunhilda.pdev.net/ Fixes:94a68c8143("scsi: smartpqi: Quickly propagate path failures to SCSI midlayer") Reviewed-by: Scott Benesh <scott.benesh@microchip.com> Reviewed-by: Scott Teel <scott.teel@microchip.com> Reviewed-by: Mike McGowen <mike.mcgowen@microchip.com> Signed-off-by: Gilbert Wu <Gilbert.Wu@microchip.com> Signed-off-by: Don Brace <don.brace@microchip.com> Link: https://lore.kernel.org/r/20240711194704.982400-4-don.brace@microchip.com Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com> Signed-off-by: Sasha Levin <sashal@kernel.org>
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.