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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 /fs/nfs
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 'fs/nfs')
-rw-r--r--fs/nfs/callback_xdr.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/fs/nfs/callback_xdr.c b/fs/nfs/callback_xdr.c
index 8dcb08e1a885..d0cccddb7d08 100644
--- a/fs/nfs/callback_xdr.c
+++ b/fs/nfs/callback_xdr.c
@@ -1065,6 +1065,7 @@ static const struct svc_procedure nfs4_callback_procedures1[] = {
.pc_func = nfs4_callback_compound,
.pc_encode = nfs4_encode_void,
.pc_argsize = 256,
+ .pc_argzero = 256,
.pc_ressize = 256,
.pc_xdrressize = NFS4_CALLBACK_BUFSIZE,
.pc_name = "COMPOUND",