[Linux-cachefs] Re: [PATCH 5/7] NFS: Use local caching [try #12]

Jeff Garzik jeff at garzik.org
Fri Aug 18 18:41:58 UTC 2006


Chuck Lever wrote:
> Hi David-
> 
> On 8/18/06, David Howells <dhowells at redhat.com> wrote:
>> The attached patch makes it possible for the NFS filesystem to make 
>> use of the
>> network filesystem local caching service (FS-Cache).
>>
>> To be able to use this, an updated mount program is required.  This 
>> can be
>> obtained from:
>>
>>         http://people.redhat.com/steved/cachefs/util-linux/
>>
>> To mount an NFS filesystem to use caching, add an "fsc" option to the 
>> mount:
>>
>>         mount warthog:/ /a -o fsc
>>
>> Signed-Off-By: David Howells <dhowells at redhat.com>
>> ---
>>
>>  fs/Kconfig                 |    7 +
>>  fs/nfs/Makefile            |    1
>>  fs/nfs/client.c            |   11 +
>>  fs/nfs/file.c              |   49 ++++-
>>  fs/nfs/fscache.c           |  348 ++++++++++++++++++++++++++++++++
>>  fs/nfs/fscache.h           |  476 
>> ++++++++++++++++++++++++++++++++++++++++++++
>>  fs/nfs/inode.c             |   21 ++
>>  fs/nfs/internal.h          |   32 +++
>>  fs/nfs/pagelist.c          |    3
>>  fs/nfs/read.c              |   30 +++
>>  fs/nfs/super.c             |    1
>>  fs/nfs/sysctl.c            |   43 ++++
>>  fs/nfs/write.c             |   11 +
>>  include/linux/nfs4_mount.h |    1
>>  include/linux/nfs_fs.h     |    5
>>  include/linux/nfs_fs_sb.h  |    5
>>  include/linux/nfs_mount.h  |    1
>>  17 files changed, 1035 insertions(+), 10 deletions(-)
>>
>> diff --git a/fs/nfs/fscache.c b/fs/nfs/fscache.c
>> new file mode 100644
>> index 0000000..94d5e3a
>> --- /dev/null
>> +++ b/fs/nfs/fscache.c
>> @@ -0,0 +1,348 @@
>> +/* fscache.c: NFS filesystem cache interface
>> + *
>> + * Copyright (C) 2006 Red Hat, Inc. All Rights Reserved.
>> + * Written by David Howells (dhowells at redhat.com)
>> + *
> 
>> +
>> +static uint16_t nfs_server_get_key(const void *cookie_netfs_data,
>> +                                  void *buffer, uint16_t bufmax)
>> +{
> 
> Why don't you use the function declaration style that is used in the
> rest of the NFS client?  All the parameters belong on one line, don't
> they?

Normally, one wraps the line if it exceeds 80 columns...

	Jeff






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