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ee8868c5c7
If an RTPG fails, we can't infer anything wrt. the state of the ports in the port group except that we were unable to reach the one port on which the RTPG had failed. "offline" is just a secondary port state, which means that we can't infer the state of any port in the PG from the failure (in fact, even the failed port might still be in "active/optimized" primary port access state). Therefore, when we encounter an RTPG failure, we should retry the RTPG on a different port. This avoids falsely setting port states to offline for unreachable ports. To do this, ports on which an RTPG has failed are temporarily set to "disabled" to avoid repeating the failed I/O on the same target port. Once the RTPG has either succeeded on one port or failed on all ports of the PG, the ports are enabled again. Link: https://lore.kernel.org/r/20210514153214.5626-1-mwilck@suse.com Signed-off-by: Martin Wilck <mwilck@suse.com> Signed-off-by: Hannes Reinecke <hare@suse.de> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com> |
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| drivers | ||
| fs | ||
| include | ||
| init | ||
| ipc | ||
| kernel | ||
| lib | ||
| LICENSES | ||
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| net | ||
| samples | ||
| scripts | ||
| security | ||
| sound | ||
| tools | ||
| usr | ||
| virt | ||
| .clang-format | ||
| .cocciconfig | ||
| .get_maintainer.ignore | ||
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| .gitignore | ||
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| README | ||
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.