1234567891011121314151617181920212223242526272829303132333435363738394041424344454647 |
- /* SPDX-License-Identifier: GPL-2.0 */
- /*
- * NFS protocol definitions
- *
- * This file contains constants mostly for Version 2 of the protocol,
- * but also has a couple of NFSv3 bits in (notably the error codes).
- */
- #ifndef _LINUX_NFS_H
- #define _LINUX_NFS_H
- #include <linux/sunrpc/msg_prot.h>
- #include <linux/string.h>
- #include <uapi/linux/nfs.h>
- /*
- * This is the kernel NFS client file handle representation
- */
- #define NFS_MAXFHSIZE 128
- struct nfs_fh {
- unsigned short size;
- unsigned char data[NFS_MAXFHSIZE];
- };
- /*
- * Returns a zero iff the size and data fields match.
- * Checks only "size" bytes in the data field.
- */
- static inline int nfs_compare_fh(const struct nfs_fh *a, const struct nfs_fh *b)
- {
- return a->size != b->size || memcmp(a->data, b->data, a->size) != 0;
- }
- static inline void nfs_copy_fh(struct nfs_fh *target, const struct nfs_fh *source)
- {
- target->size = source->size;
- memcpy(target->data, source->data, source->size);
- }
- enum nfs3_stable_how {
- NFS_UNSTABLE = 0,
- NFS_DATA_SYNC = 1,
- NFS_FILE_SYNC = 2,
- /* used by direct.c to mark verf as invalid */
- NFS_INVALID_STABLE_HOW = -1
- };
- #endif /* _LINUX_NFS_H */
|