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SUNRPC: mark bulk read/write data in xdrbuf

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Adds a flag word to the xdrbuf struct which indicates any bulk
disposition of the data. This enables RPC transport providers to
marshal it efficiently/appropriately, and may enable other
optimizations.

Signed-off-by: Tom Talpey <tmt@netapp.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
This commit is contained in:
\"Talpey, Thomas\
2007-09-10 13:44:58 -04:00
committed by Trond Myklebust
parent 20c71f5e0f
commit 4f22ccc346
5 changed files with 11 additions and 1 deletions
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2
fs/nfs/nfs3xdr.c
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@ -346,6 +346,7 @@ nfs3_xdr_readargs(struct rpc_rqst *req, __be32 *p, struct nfs_readargs *args)
replen = (RPC_REPHDRSIZE + auth->au_rslack + NFS3_readres_sz) << 2;
xdr_inline_pages(&req->rq_rcv_buf, replen,
args->pages, args->pgbase, count);
req->rq_rcv_buf.flags |= XDRBUF_READ;
return 0;
}
@ -367,6 +368,7 @@ nfs3_xdr_writeargs(struct rpc_rqst *req, __be32 *p, struct nfs_writeargs *args)
/* Copy the page array */
xdr_encode_pages(sndbuf, args->pages, args->pgbase, count);
sndbuf->flags |= XDRBUF_WRITE;
return 0;
}