diff options
Diffstat (limited to 'include/linux/exportfs.h')
-rw-r--r-- | include/linux/exportfs.h | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/include/linux/exportfs.h b/include/linux/exportfs.h index 5b3c9f30b422..85bd027494e5 100644 --- a/include/linux/exportfs.h +++ b/include/linux/exportfs.h @@ -235,7 +235,7 @@ extern int exportfs_encode_fh(struct dentry *dentry, struct fid *fid, static inline bool exportfs_can_encode_fid(const struct export_operations *nop) { - return nop; + return nop && nop->encode_fh; } static inline bool exportfs_can_decode_fh(const struct export_operations *nop) @@ -279,6 +279,13 @@ extern struct dentry *exportfs_decode_fh(struct vfsmount *mnt, struct fid *fid, /* * Generic helpers for filesystems. */ +#ifdef CONFIG_EXPORTFS +int generic_encode_ino32_fh(struct inode *inode, __u32 *fh, int *max_len, + struct inode *parent); +#else +#define generic_encode_ino32_fh NULL +#endif + extern struct dentry *generic_fh_to_dentry(struct super_block *sb, struct fid *fid, int fh_len, int fh_type, struct inode *(*get_inode) (struct super_block *sb, u64 ino, u32 gen)); |