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authorChuck Lever <chuck.lever@oracle.com>2022-09-13 00:22:38 +0300
committerChuck Lever <chuck.lever@oracle.com>2022-09-26 21:02:42 +0300
commit103cc1fafee48adb91fca0e19deb869fd23e46ab (patch)
treec4e996632c0554e5a585cee77640a82063122f6d /include/linux
parent81593c4dff32266102cd95cdc993576a6afe5650 (diff)
downloadlinux-103cc1fafee48adb91fca0e19deb869fd23e46ab.tar.xz
SUNRPC: Parametrize how much of argsize should be zeroed
Currently, SUNRPC clears the whole of .pc_argsize before processing each incoming RPC transaction. Add an extra parameter to struct svc_procedure to enable upper layers to reduce the amount of each operation's argument structure that is zeroed by SUNRPC. The size of struct nfsd4_compoundargs, in particular, is a lot to clear on each incoming RPC Call. A subsequent patch will cut this down to something closer to what NFSv2 and NFSv3 uses. This patch should cause no behavior changes. Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Diffstat (limited to 'include/linux')
-rw-r--r--include/linux/sunrpc/svc.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/sunrpc/svc.h b/include/linux/sunrpc/svc.h
index 0ca8a8ffb47e..88de45491376 100644
--- a/include/linux/sunrpc/svc.h
+++ b/include/linux/sunrpc/svc.h
@@ -472,6 +472,7 @@ struct svc_procedure {
/* XDR free result: */
void (*pc_release)(struct svc_rqst *);
unsigned int pc_argsize; /* argument struct size */
+ unsigned int pc_argzero; /* how much of argument to clear */
unsigned int pc_ressize; /* result struct size */
unsigned int pc_cachetype; /* cache info (NFS) */
unsigned int pc_xdrressize; /* maximum size of XDR reply */