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- /*
- * include/linux/nfsd/nfsfh.h
- *
- * This file describes the layout of the file handles as passed
- * over the wire.
- *
- * Earlier versions of knfsd used to sign file handles using keyed MD5
- * or SHA. I've removed this code, because it doesn't give you more
- * security than blocking external access to port 2049 on your firewall.
- *
- * Copyright (C) 1995, 1996, 1997 Olaf Kirch <okir@monad.swb.de>
- */
- #ifndef _LINUX_NFSD_FH_H
- #define _LINUX_NFSD_FH_H
- # include <linux/sunrpc/svc.h>
- #include <uapi/linux/nfsd/nfsfh.h>
- static inline __u32 ino_t_to_u32(ino_t ino)
- {
- return (__u32) ino;
- }
- static inline ino_t u32_to_ino_t(__u32 uino)
- {
- return (ino_t) uino;
- }
- /*
- * This is the internal representation of an NFS handle used in knfsd.
- * pre_mtime/post_version will be used to support wcc_attr's in NFSv3.
- */
- typedef struct svc_fh {
- struct knfsd_fh fh_handle; /* FH data */
- struct dentry * fh_dentry; /* validated dentry */
- struct svc_export * fh_export; /* export pointer */
- int fh_maxsize; /* max size for fh_handle */
- unsigned char fh_locked; /* inode locked by us */
- unsigned char fh_want_write; /* remount protection taken */
- #ifdef CONFIG_NFSD_V3
- unsigned char fh_post_saved; /* post-op attrs saved */
- unsigned char fh_pre_saved; /* pre-op attrs saved */
- /* Pre-op attributes saved during fh_lock */
- __u64 fh_pre_size; /* size before operation */
- struct timespec fh_pre_mtime; /* mtime before oper */
- struct timespec fh_pre_ctime; /* ctime before oper */
- /*
- * pre-op nfsv4 change attr: note must check IS_I_VERSION(inode)
- * to find out if it is valid.
- */
- u64 fh_pre_change;
- /* Post-op attributes saved in fh_unlock */
- struct kstat fh_post_attr; /* full attrs after operation */
- u64 fh_post_change; /* nfsv4 change; see above */
- #endif /* CONFIG_NFSD_V3 */
- } svc_fh;
- #endif /* _LINUX_NFSD_FH_H */
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