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Using newer backing devices can cause the required padding at the end of buffer as well as the number of queues to change after a failover. Since we currently assume that these values never change, after a failover to a backing device with different capabilities, we can get errors from the vnic server, attempt to free long term buffers that are no longer there, or not free long term buffers that should be freed. This patch resolves the issue by checking whether any of these values change, and if so perform the necessary re-allocations. Signed-off-by: John Allen <jallen@linux.vnet.ibm.com> Reviewed-by: Nathan Fontenot <nfont@linux.vnet.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net> |
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Linux kernel ============ This file was moved to Documentation/admin-guide/README.rst Please notice that there are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. In order to build the documentation, use ``make htmldocs`` or ``make pdfdocs``. There are various text files in the Documentation/ subdirectory, several of them using the Restructured Text markup notation. See Documentation/00-INDEX for a list of what is contained in each file. 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.