ed46427268
Without this patch, the pNFS server distributes the data storage files across all of the specified DSs. A tester noted that it would be nice if a system administrator could control which DSs are used to store the file data for a given exported MDS file system. This patch adds an optional suffix for each entry in the "-p" option argument that specifies "store file data for this MDS file system" in this DS. The patch should only affect sites using the pNFS server (specified via the "-p" command line option for nfsd. The interface between the nfsd and the kernel has changed with this patch, so anyone using the "-p" option needs to rebuild their nfsd from sources with this patch applied to them. Discussed with: james.rose@framestore.com
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