NFSv4.2: improve page handling for GETXATTR

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XDRBUF_SPARSE_PAGES can cause problems for the RDMA transport,
and it's easy enough to allocate enough pages for the request
up front, so do that.

Also, since we've allocated the pages anyway, use the full
page aligned length for the receive buffer. This will allow
caching of valid replies that are too large for the caller,
but that still fit in the allocated pages.

Signed-off-by: Frank van der Linden <fllinden@amazon.com>
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>

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Frank van der Linden 2020-12-02 00:34:11 +00:00 • committed by Trond Myklebust

parent ac9645c873

commit a1f26739cc

2 changed files with 44 additions and 16 deletions

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47

fs/nfs/nfs42proc.c

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13

fs/nfs/nfs42xdr.c

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