svc: Add a transport function that checks for write space

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In order to avoid blocking a service thread, the receive side checks
to see if there is sufficient write space to reply to the request.
Each transport has a different mechanism for determining if there is
enough write space to reply.

The code that checked for write space was coupled with code that
checked for CLOSE and CONN. These checks have been broken out into
separate statements to make the code easier to read.

Signed-off-by: Tom Tucker <tom@opengridcomputing.com>
Acked-by: Neil Brown <neilb@suse.de>
Reviewed-by: Chuck Lever <chuck.lever@oracle.com>
Reviewed-by: Greg Banks <gnb@sgi.com>
Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>

...

This commit is contained in:

Tom Tucker 2007-12-30 21:07:31 -06:00 • committed by J. Bruce Fields

parent e831fe65b1

commit 323bee32e9

2 changed files with 57 additions and 26 deletions

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1

include/linux/sunrpc/svc_xprt.h

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82

net/sunrpc/svcsock.c

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