xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

NFS: support large reads and writes on the wire

Browse Source 
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>
This commit is contained in:
Chuck Lever
2005-11-30 18:09:02 -05:00
committed by Trond Myklebust
parent 325cfed9ae
commit 40859d7ee6
8 changed files with 91 additions and 53 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
fs/nfs/nfsroot.c
View File

@@ -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;