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NFS: Add FS-Cache option bit and debug bit

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Add FS-Cache option bit to nfs_server struct.  This is set to indicate local
on-disk caching is enabled for a particular superblock.

Also add debug bit for local caching operations.

Signed-off-by: David Howells <dhowells@redhat.com>
Acked-by: Steve Dickson <steved@redhat.com>
Acked-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Acked-by: Al Viro <viro@zeniv.linux.org.uk>
Tested-by: Daire Byrne <Daire.Byrne@framestore.com>
This commit is contained in:
David Howells
2009-04-03 16:42:42 +01:00
parent 6b9b3514aa
commit c6a6f19e22
2 changed files with 3 additions and 0 deletions
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1
include/linux/nfs_fs.h
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@@ -583,6 +583,7 @@ extern void * nfs_root_data(void);
#define NFSDBG_CALLBACK 0x0100 #define NFSDBG_CALLBACK 0x0100
#define NFSDBG_CLIENT 0x0200 #define NFSDBG_CLIENT 0x0200
#define NFSDBG_MOUNT 0x0400 #define NFSDBG_MOUNT 0x0400
#define NFSDBG_FSCACHE 0x0800
#define NFSDBG_ALL 0xFFFF #define NFSDBG_ALL 0xFFFF
#ifdef __KERNEL__ #ifdef __KERNEL__

2
include/linux/nfs_fs_sb.h
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@@ -96,6 +96,8 @@ struct nfs_server {
unsigned int acdirmin; unsigned int acdirmin;
unsigned int acdirmax; unsigned int acdirmax;
unsigned int namelen; unsigned int namelen;
unsigned int options; /* extra options enabled by mount */
#define NFS_OPTION_FSCACHE 0x00000001 /* - local caching enabled */
struct nfs_fsid fsid; struct nfs_fsid fsid;
__u64 maxfilesize; /* maximum file size */ __u64 maxfilesize; /* maximum file size */