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authorChuck Lever <cel@netapp.com>2005-11-30 18:09:02 -0500
committerTrond Myklebust <Trond.Myklebust@netapp.com>2006-01-06 14:58:49 -0500
commit40859d7ee64ed6bfad8a4e93f9bb5c1074afadff (patch)
treeed4069423c3d6551035d5b6116f50452cdac4103 /fs/nfs/nfsroot.c
parent325cfed9ae901320e9234b18c21434b783dbe342 (diff)
downloadop-kernel-dev-40859d7ee64ed6bfad8a4e93f9bb5c1074afadff.zip
op-kernel-dev-40859d7ee64ed6bfad8a4e93f9bb5c1074afadff.tar.gz
NFS: support large reads and writes on the wire
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>32768 over TCP. Tests with NFS over UDP to verify the maximum RPC payload size cap. Signed-off-by: Chuck Lever <cel@netapp.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Diffstat (limited to 'fs/nfs/nfsroot.c')
-rw-r--r--fs/nfs/nfsroot.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/fs/nfs/nfsroot.c b/fs/nfs/nfsroot.c
index 1b272a1..985cc53 100644
--- a/fs/nfs/nfsroot.c
+++ b/fs/nfs/nfsroot.c
@@ -296,8 +296,8 @@ static int __init root_nfs_name(char *name)
nfs_port = -1;
nfs_data.version = NFS_MOUNT_VERSION;
nfs_data.flags = NFS_MOUNT_NONLM; /* No lockd in nfs root yet */
- nfs_data.rsize = NFS_DEF_FILE_IO_BUFFER_SIZE;
- nfs_data.wsize = NFS_DEF_FILE_IO_BUFFER_SIZE;
+ nfs_data.rsize = NFS_DEF_FILE_IO_SIZE;
+ nfs_data.wsize = NFS_DEF_FILE_IO_SIZE;
nfs_data.acregmin = 3;
nfs_data.acregmax = 60;
nfs_data.acdirmin = 30;
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