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<title>litmus2008.git/include/linux/sunrpc/xdr.h, branch 2007.2</title>
<subtitle>[ARCHIVE] Old LITMUS^RT 2008 version (for reference).</subtitle>
<link rel='alternate' type='text/html' href='http://rtsrv.cs.unc.edu/cgit/cgit.cgi/litmus2008.git/'/>
<entry>
<title>SUNRPC: Rename skb_reader_t and friends</title>
<updated>2006-12-06T15:46:52+00:00</updated>
<author>
<name>Chuck Lever</name>
<email>chuck.lever@oracle.com</email>
</author>
<published>2006-12-05T21:35:44+00:00</published>
<link rel='alternate' type='text/html' href='http://rtsrv.cs.unc.edu/cgit/cgit.cgi/litmus2008.git/commit/?id=dd4564715eae2c4136f278da9ae1c3bb5af3e509'/>
<id>dd4564715eae2c4136f278da9ae1c3bb5af3e509</id>
<content type='text'>
Clean-up:  hch suggested that the RPC client shouldn't pollute the name
space used by the generic skb manipulation routines in net/core/skbuff.c.

Rename a couple of types in xdr.h to adhere to this convention.

Signed-off-by: Chuck Lever &lt;chuck.lever@oracle.com&gt;
Signed-off-by: Trond Myklebust &lt;Trond.Myklebust@netapp.com&gt;
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<pre>
Clean-up:  hch suggested that the RPC client shouldn't pollute the name
space used by the generic skb manipulation routines in net/core/skbuff.c.

Rename a couple of types in xdr.h to adhere to this convention.

Signed-off-by: Chuck Lever &lt;chuck.lever@oracle.com&gt;
Signed-off-by: Trond Myklebust &lt;Trond.Myklebust@netapp.com&gt;
</pre>
</div>
</content>
</entry>
<entry>
<title>SUNRPC: skb_read_bits is the same as xs_tcp_copy_data</title>
<updated>2006-12-06T15:46:52+00:00</updated>
<author>
<name>Chuck Lever</name>
<email>chuck.lever@oracle.com</email>
</author>
<published>2006-12-05T21:35:41+00:00</published>
<link rel='alternate' type='text/html' href='http://rtsrv.cs.unc.edu/cgit/cgit.cgi/litmus2008.git/commit/?id=9d29231690925915015c21c1fff73c7118099843'/>
<id>9d29231690925915015c21c1fff73c7118099843</id>
<content type='text'>
Clean-up: eliminate xs_tcp_copy_data -- it's exactly the same logic as the
common routine skb_read_bits.  The UDP and TCP socket read code now share
the same routine for copying data into an xdr_buf.

Now that skb_read_bits() is exported, rename it to avoid confusing it with
a generic skb_* function.  As these functions are XDR-specific, they should
not have names that suggest they are of generic use.  Also rename
skb_read_and_csum_bits() to be consistent.

Signed-off-by: Chuck Lever &lt;chuck.lever@oracle.com&gt;
Signed-off-by: Trond Myklebust &lt;Trond.Myklebust@netapp.com&gt;
</content>
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<pre>
Clean-up: eliminate xs_tcp_copy_data -- it's exactly the same logic as the
common routine skb_read_bits.  The UDP and TCP socket read code now share
the same routine for copying data into an xdr_buf.

Now that skb_read_bits() is exported, rename it to avoid confusing it with
a generic skb_* function.  As these functions are XDR-specific, they should
not have names that suggest they are of generic use.  Also rename
skb_read_and_csum_bits() to be consistent.

Signed-off-by: Chuck Lever &lt;chuck.lever@oracle.com&gt;
Signed-off-by: Trond Myklebust &lt;Trond.Myklebust@netapp.com&gt;
</pre>
</div>
</content>
</entry>
<entry>
<title>rpc: move process_xdr_buf</title>
<updated>2006-12-06T15:46:44+00:00</updated>
<author>
<name>Olga Kornievskaia</name>
<email>aglo@citi.umich.edu</email>
</author>
<published>2006-12-05T01:22:33+00:00</published>
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<id>37a4e6cb0391f2293ba3d59e3a63ec0e56ed720d</id>
<content type='text'>
Since process_xdr_buf() is useful outside of the kerberos-specific code, we
move it to net/sunrpc/xdr.c, export it, and rename it in keeping with xdr_*
naming convention of xdr.c.

Signed-off-by: J. Bruce Fields &lt;bfields@citi.umich.edu&gt;
Signed-off-by: Trond Myklebust &lt;Trond.Myklebust@netapp.com&gt;
</content>
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<pre>
Since process_xdr_buf() is useful outside of the kerberos-specific code, we
move it to net/sunrpc/xdr.c, export it, and rename it in keeping with xdr_*
naming convention of xdr.c.

Signed-off-by: J. Bruce Fields &lt;bfields@citi.umich.edu&gt;
Signed-off-by: Trond Myklebust &lt;Trond.Myklebust@netapp.com&gt;
</pre>
</div>
</content>
</entry>
<entry>
<title>SUNRPC: Clean up argument types in xdr.c</title>
<updated>2006-12-06T15:46:32+00:00</updated>
<author>
<name>Trond Myklebust</name>
<email>Trond.Myklebust@netapp.com</email>
</author>
<published>2006-08-31T19:09:19+00:00</published>
<link rel='alternate' type='text/html' href='http://rtsrv.cs.unc.edu/cgit/cgit.cgi/litmus2008.git/commit/?id=1e78957e0a8f882df6a3660b62f9aae441f54891'/>
<id>1e78957e0a8f882df6a3660b62f9aae441f54891</id>
<content type='text'>
Converts various integer buffer offsets and sizes to unsigned integer.

Signed-off-by: Trond Myklebust &lt;Trond.Myklebust@netapp.com&gt;
</content>
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<pre>
Converts various integer buffer offsets and sizes to unsigned integer.

Signed-off-by: Trond Myklebust &lt;Trond.Myklebust@netapp.com&gt;
</pre>
</div>
</content>
</entry>
<entry>
<title>[NET]: Annotate csum_partial() callers in net/*</title>
<updated>2006-12-03T05:23:32+00:00</updated>
<author>
<name>Al Viro</name>
<email>viro@zeniv.linux.org.uk</email>
</author>
<published>2006-11-15T05:36:14+00:00</published>
<link rel='alternate' type='text/html' href='http://rtsrv.cs.unc.edu/cgit/cgit.cgi/litmus2008.git/commit/?id=44bb93633f57a55979f3c2589b10fd6a2bfc7c08'/>
<id>44bb93633f57a55979f3c2589b10fd6a2bfc7c08</id>
<content type='text'>
Signed-off-by: Al Viro &lt;viro@zeniv.linux.org.uk&gt;
Signed-off-by: David S. Miller &lt;davem@davemloft.net&gt;
</content>
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<pre>
Signed-off-by: Al Viro &lt;viro@zeniv.linux.org.uk&gt;
Signed-off-by: David S. Miller &lt;davem@davemloft.net&gt;
</pre>
</div>
</content>
</entry>
<entry>
<title>[PATCH] knfsd: Allow lockd to drop replies as appropriate</title>
<updated>2006-10-17T15:18:46+00:00</updated>
<author>
<name>NeilBrown</name>
<email>neilb@suse.de</email>
</author>
<published>2006-10-17T07:10:18+00:00</published>
<link rel='alternate' type='text/html' href='http://rtsrv.cs.unc.edu/cgit/cgit.cgi/litmus2008.git/commit/?id=d343fce148a4eee24a907a05c4101d3268045aae'/>
<id>d343fce148a4eee24a907a05c4101d3268045aae</id>
<content type='text'>
It is possible for the -&gt;fopen callback from lockd into nfsd to find that an
answer cannot be given straight away (an upcall is needed) and so the request
has to be 'dropped', to be retried later.  That error status is not currently
propagated back.

So:
  Change nlm_fopen to return nlm error codes (rather than a private
  protocol) and define a new nlm_drop_reply code.
  Cause nlm_drop_reply to cause the rpc request to get rpc_drop_reply
  when this error comes back.
  Cause svc_process to drop a request which returns a status of
  rpc_drop_reply.

[akpm@osdl.org: fix warning storm]
Cc: Marc Eshel &lt;eshel@almaden.ibm.com&gt;
Signed-off-by: Neil Brown &lt;neilb@suse.de&gt;
Signed-off-by: Andrew Morton &lt;akpm@osdl.org&gt;
Signed-off-by: Linus Torvalds &lt;torvalds@osdl.org&gt;
</content>
<content type='xhtml'>
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<pre>
It is possible for the -&gt;fopen callback from lockd into nfsd to find that an
answer cannot be given straight away (an upcall is needed) and so the request
has to be 'dropped', to be retried later.  That error status is not currently
propagated back.

So:
  Change nlm_fopen to return nlm error codes (rather than a private
  protocol) and define a new nlm_drop_reply code.
  Cause nlm_drop_reply to cause the rpc request to get rpc_drop_reply
  when this error comes back.
  Cause svc_process to drop a request which returns a status of
  rpc_drop_reply.

[akpm@osdl.org: fix warning storm]
Cc: Marc Eshel &lt;eshel@almaden.ibm.com&gt;
Signed-off-by: Neil Brown &lt;neilb@suse.de&gt;
Signed-off-by: Andrew Morton &lt;akpm@osdl.org&gt;
Signed-off-by: Linus Torvalds &lt;torvalds@osdl.org&gt;
</pre>
</div>
</content>
</entry>
<entry>
<title>[SUNRPC]: trivial endianness annotations</title>
<updated>2006-09-29T01:01:21+00:00</updated>
<author>
<name>Alexey Dobriyan</name>
<email>adobriyan@gmail.com</email>
</author>
<published>2006-09-27T05:29:38+00:00</published>
<link rel='alternate' type='text/html' href='http://rtsrv.cs.unc.edu/cgit/cgit.cgi/litmus2008.git/commit/?id=d8ed029d6000ba2e2908d9286409e4833c091b4c'/>
<id>d8ed029d6000ba2e2908d9286409e4833c091b4c</id>
<content type='text'>
pure s/u32/__be32/

[AV: large part based on Alexey's patches]

Signed-off-by: Alexey Dobriyan &lt;adobriyan@gmail.com&gt;
Signed-off-by: Al Viro &lt;viro@zeniv.linux.org.uk&gt;
Signed-off-by: David S. Miller &lt;davem@davemloft.net&gt;
</content>
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<pre>
pure s/u32/__be32/

[AV: large part based on Alexey's patches]

Signed-off-by: Alexey Dobriyan &lt;adobriyan@gmail.com&gt;
Signed-off-by: Al Viro &lt;viro@zeniv.linux.org.uk&gt;
Signed-off-by: David S. Miller &lt;davem@davemloft.net&gt;
</pre>
</div>
</content>
</entry>
<entry>
<title>RPC: Allow struc xdr_stream to read the page section of an xdr_buf</title>
<updated>2006-06-09T13:34:21+00:00</updated>
<author>
<name>Trond Myklebust</name>
<email>Trond.Myklebust@netapp.com</email>
</author>
<published>2006-06-09T13:34:21+00:00</published>
<link rel='alternate' type='text/html' href='http://rtsrv.cs.unc.edu/cgit/cgit.cgi/litmus2008.git/commit/?id=8b23ea7bedb8b45a5bb56745fa3ff11018acf04e'/>
<id>8b23ea7bedb8b45a5bb56745fa3ff11018acf04e</id>
<content type='text'>
Signed-off-by: Trond Myklebust &lt;Trond.Myklebust@netapp.com&gt;
</content>
<content type='xhtml'>
<div xmlns='http://www.w3.org/1999/xhtml'>
<pre>
Signed-off-by: Trond Myklebust &lt;Trond.Myklebust@netapp.com&gt;
</pre>
</div>
</content>
</entry>
<entry>
<title>SUNRPC: net/sunrpc/xdr.c: remove xdr_decode_string()</title>
<updated>2006-01-06T19:58:53+00:00</updated>
<author>
<name>Adrian Bunk</name>
<email>bunk@stusta.de</email>
</author>
<published>2006-01-03T08:55:41+00:00</published>
<link rel='alternate' type='text/html' href='http://rtsrv.cs.unc.edu/cgit/cgit.cgi/litmus2008.git/commit/?id=fb459f45f7c7689714023d41b3dca999bb90a5d3'/>
<id>fb459f45f7c7689714023d41b3dca999bb90a5d3</id>
<content type='text'>
 This patch removes ths unused function xdr_decode_string().

Signed-off-by: Adrian Bunk &lt;bunk@stusta.de&gt;
Acked-by: Neil Brown &lt;neilb@suse.de&gt;
Acked-by: Charles Lever &lt;Charles.Lever@netapp.com&gt;
Signed-off-by: Trond Myklebust &lt;Trond.Myklebust@netapp.com&gt;
</content>
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<pre>
 This patch removes ths unused function xdr_decode_string().

Signed-off-by: Adrian Bunk &lt;bunk@stusta.de&gt;
Acked-by: Neil Brown &lt;neilb@suse.de&gt;
Acked-by: Charles Lever &lt;Charles.Lever@netapp.com&gt;
Signed-off-by: Trond Myklebust &lt;Trond.Myklebust@netapp.com&gt;
</pre>
</div>
</content>
</entry>
<entry>
<title>NFS: support large reads and writes on the wire</title>
<updated>2006-01-06T19:58:49+00:00</updated>
<author>
<name>Chuck Lever</name>
<email>cel@netapp.com</email>
</author>
<published>2005-11-30T23:09:02+00:00</published>
<link rel='alternate' type='text/html' href='http://rtsrv.cs.unc.edu/cgit/cgit.cgi/litmus2008.git/commit/?id=40859d7ee64ed6bfad8a4e93f9bb5c1074afadff'/>
<id>40859d7ee64ed6bfad8a4e93f9bb5c1074afadff</id>
<content type='text'>
 Most NFS server implementations allow up to 64KB reads and writes on the
 wire.  The Solaris NFS server allows up to a megabyte, for instance.

 Now the Linux NFS client supports transfer sizes up to 1MB, too.  This will
 help reduce protocol and context switch overhead on read/write intensive NFS
 workloads, and support larger atomic read and write operations on servers
 that support them.

 Test-plan:
 Connectathon and iozone on mount point with wsize=rsize&gt;32768 over TCP.
 Tests with NFS over UDP to verify the maximum RPC payload size cap.

 Signed-off-by: Chuck Lever &lt;cel@netapp.com&gt;
 Signed-off-by: Trond Myklebust &lt;Trond.Myklebust@netapp.com&gt;
</content>
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<pre>
 Most NFS server implementations allow up to 64KB reads and writes on the
 wire.  The Solaris NFS server allows up to a megabyte, for instance.

 Now the Linux NFS client supports transfer sizes up to 1MB, too.  This will
 help reduce protocol and context switch overhead on read/write intensive NFS
 workloads, and support larger atomic read and write operations on servers
 that support them.

 Test-plan:
 Connectathon and iozone on mount point with wsize=rsize&gt;32768 over TCP.
 Tests with NFS over UDP to verify the maximum RPC payload size cap.

 Signed-off-by: Chuck Lever &lt;cel@netapp.com&gt;
 Signed-off-by: Trond Myklebust &lt;Trond.Myklebust@netapp.com&gt;
</pre>
</div>
</content>
</entry>
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