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linux-2.6/net/sunrpc
NeilBrown c6b0a9f87b [PATCH] knfsd: tidy up up meaning of 'buffer size' in nfsd/sunrpc
There is some confusion about the meaning of 'bufsz' for a sunrpc server.
In some cases it is the largest message that can be sent or received.  In
other cases it is the largest 'payload' that can be included in a NFS
message.

In either case, it is not possible for both the request and the reply to be
this large.  One of the request or reply may only be one page long, which
fits nicely with NFS.

So we remove 'bufsz' and replace it with two numbers: 'max_payload' and
'max_mesg'.  Max_payload is the size that the server requests.  It is used
by the server to check the max size allowed on a particular connection:
depending on the protocol a lower limit might be used.

max_mesg is the largest single message that can be sent or received.  It is
calculated as the max_payload, rounded up to a multiple of PAGE_SIZE, and
with PAGE_SIZE added to overhead.  Only one of the request and reply may be
this size.  The other must be at most one page.

Cc: Greg Banks <gnb@sgi.com>
Cc: "J. Bruce Fields" <bfields@fieldses.org>
Signed-off-by: Neil Brown <neilb@suse.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-10-06 08:53:41 -07:00
..
auth_gss [PATCH] knfsd: svcrpc: gss: fix failure on SVC_DENIED in integrity case 2006-10-04 07:55:19 -07:00
auth.c [SUNRPC]: trivial endianness annotations 2006-09-28 18:01:21 -07:00
auth_null.c [SUNRPC]: trivial endianness annotations 2006-09-28 18:01:21 -07:00
auth_unix.c [SUNRPC]: trivial endianness annotations 2006-09-28 18:01:21 -07:00
cache.c [PATCH] knfsd: fix race related problem when adding items to and svcrpc auth cache 2006-08-06 08:57:47 -07:00
clnt.c [PATCH] namespaces: utsname: switch to using uts namespaces 2006-10-02 07:57:21 -07:00
Makefile [PATCH] RPC: introduce client-side transport switch 2005-09-23 12:38:12 -04:00
pmap_clnt.c [SUNRPC]: trivial endianness annotations 2006-09-28 18:01:21 -07:00
rpc_pipe.c [PATCH] r/o bind mount prepwork: inc_nlink() helper 2006-10-01 00:39:30 -07:00
sched.c [PATCH] Really ignore kmem_cache_destroy return value 2006-09-27 08:26:10 -07:00
socklib.c [NET]: Replace CHECKSUM_HW by CHECKSUM_PARTIAL/CHECKSUM_COMPLETE 2006-09-22 14:53:53 -07:00
stats.c [NET]: Conversions from kmalloc+memset to k(z|c)alloc. 2006-07-21 14:51:30 -07:00
sunrpc_syms.c [PATCH] knfsd: add svc_set_num_threads 2006-10-02 07:57:19 -07:00
svc.c [PATCH] knfsd: tidy up up meaning of 'buffer size' in nfsd/sunrpc 2006-10-06 08:53:41 -07:00
svcauth.c [SUNRPC]: trivial endianness annotations 2006-09-28 18:01:21 -07:00
svcauth_unix.c [PATCH] knfsd: knfsd: cache ipmap per TCP socket 2006-10-04 07:55:16 -07:00
svcsock.c [PATCH] knfsd: tidy up up meaning of 'buffer size' in nfsd/sunrpc 2006-10-06 08:53:41 -07:00
sysctl.c Remove obsolete #include <linux/config.h> 2006-06-30 19:25:36 +02:00
timer.c SUNRPC: remove extraneous header inclusions 2006-09-22 23:24:47 -04:00
xdr.c [SUNRPC]: trivial endianness annotations 2006-09-28 18:01:21 -07:00
xprt.c [SUNRPC]: trivial endianness annotations 2006-09-28 18:01:21 -07:00
xprtsock.c [SUNRPC]: trivial endianness annotations 2006-09-28 18:01:21 -07:00