diff options
Diffstat (limited to 'include/linux/exportfs.h')
| -rw-r--r-- | include/linux/exportfs.h | 18 |
1 files changed, 15 insertions, 3 deletions
diff --git a/include/linux/exportfs.h b/include/linux/exportfs.h index 9edb29101ec8..11fbd0ee1370 100644 --- a/include/linux/exportfs.h +++ b/include/linux/exportfs.h @@ -135,6 +135,9 @@ struct fid { }; }; +#define EXPORT_FH_CONNECTABLE 0x1 /* Encode file handle with parent */ +#define EXPORT_FH_FID 0x2 /* File handle may be non-decodeable */ + /** * struct export_operations - for nfsd to communicate with file systems * @encode_fh: encode a file handle fragment from a dentry @@ -150,7 +153,7 @@ struct fid { * encode_fh: * @encode_fh should store in the file handle fragment @fh (using at most * @max_len bytes) information that can be used by @decode_fh to recover the - * file referred to by the &struct dentry @de. If the @connectable flag is + * file referred to by the &struct dentry @de. If @flag has CONNECTABLE bit * set, the encode_fh() should store sufficient information so that a good * attempt can be made to find not only the file but also it's place in the * filesystem. This typically means storing a reference to de->d_parent in @@ -225,9 +228,18 @@ struct export_operations { }; extern int exportfs_encode_inode_fh(struct inode *inode, struct fid *fid, - int *max_len, struct inode *parent); + int *max_len, struct inode *parent, + int flags); extern int exportfs_encode_fh(struct dentry *dentry, struct fid *fid, - int *max_len, int connectable); + int *max_len, int flags); + +static inline int exportfs_encode_fid(struct inode *inode, struct fid *fid, + int *max_len) +{ + return exportfs_encode_inode_fh(inode, fid, max_len, NULL, + EXPORT_FH_FID); +} + extern struct dentry *exportfs_decode_fh_raw(struct vfsmount *mnt, struct fid *fid, int fh_len, int fileid_type, |