| From | David Howells <> | Subject | [PATCH 30/45] NFS: Add FS-Cache option bit and debug bit [ver #41] | Date | Thu, 20 Nov 2008 14:44:14 +0000 |
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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> ---
include/linux/nfs_fs.h | 1 + include/linux/nfs_fs_sb.h | 2 ++ 2 files changed, 3 insertions(+), 0 deletions(-)
diff --git a/include/linux/nfs_fs.h b/include/linux/nfs_fs.h index 4eaa834..9400333 100644 --- a/include/linux/nfs_fs.h +++ b/include/linux/nfs_fs.h @@ -586,6 +586,7 @@ extern void * nfs_root_data(void); #define NFSDBG_CALLBACK 0x0100 #define NFSDBG_CLIENT 0x0200 #define NFSDBG_MOUNT 0x0400 +#define NFSDBG_FSCACHE 0x0800 #define NFSDBG_ALL 0xFFFF #ifdef __KERNEL__ diff --git a/include/linux/nfs_fs_sb.h b/include/linux/nfs_fs_sb.h index 4e477ae..6fd68d5 100644 --- a/include/linux/nfs_fs_sb.h +++ b/include/linux/nfs_fs_sb.h @@ -102,6 +102,8 @@ struct nfs_server { unsigned int acdirmin; unsigned int acdirmax; unsigned int namelen; + unsigned int options; /* extra options enabled by mount */ +#define NFS_OPTION_FSCACHE 0x00000001 /* - local caching enabled */ struct nfs_fsid fsid; __u64 maxfilesize; /* maximum file size */
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