diff options
Diffstat (limited to 'include/linux/nfs.h')
| -rw-r--r-- | include/linux/nfs.h | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/include/linux/nfs.h b/include/linux/nfs.h index b06375e88e58..0906a0b40c6a 100644 --- a/include/linux/nfs.h +++ b/include/linux/nfs.h @@ -8,10 +8,20 @@ #ifndef _LINUX_NFS_H #define _LINUX_NFS_H +#include <linux/cred.h> +#include <linux/sunrpc/auth.h> #include <linux/sunrpc/msg_prot.h> #include <linux/string.h> +#include <linux/crc32.h> #include <uapi/linux/nfs.h> +/* The LOCALIO program is entirely private to Linux and is + * NOT part of the uapi. + */ +#define NFS_LOCALIO_PROGRAM 400122 +#define LOCALIOPROC_NULL 0 +#define LOCALIOPROC_UUID_IS_LOCAL 1 + /* * This is the kernel NFS client file handle representation */ @@ -44,4 +54,16 @@ enum nfs3_stable_how { /* used by direct.c to mark verf as invalid */ NFS_INVALID_STABLE_HOW = -1 }; + +/** + * nfs_fhandle_hash - calculate the crc32 hash for the filehandle + * @fh - pointer to filehandle + * + * returns a crc32 hash for the filehandle that is compatible with + * the one displayed by "wireshark". + */ +static inline u32 nfs_fhandle_hash(const struct nfs_fh *fh) +{ + return ~crc32_le(0xFFFFFFFF, &fh->data[0], fh->size); +} #endif /* _LINUX_NFS_H */ |