|  | #ifndef _XFS_PNFS_H | 
|  | #define _XFS_PNFS_H 1 | 
|  |  | 
|  | #ifdef CONFIG_NFSD_PNFS | 
|  | int xfs_fs_get_uuid(struct super_block *sb, u8 *buf, u32 *len, u64 *offset); | 
|  | int xfs_fs_map_blocks(struct inode *inode, loff_t offset, u64 length, | 
|  | struct iomap *iomap, bool write, u32 *device_generation); | 
|  | int xfs_fs_commit_blocks(struct inode *inode, struct iomap *maps, int nr_maps, | 
|  | struct iattr *iattr); | 
|  |  | 
|  | int xfs_break_layouts(struct inode *inode, uint *iolock, bool with_imutex); | 
|  | #else | 
|  | static inline int | 
|  | xfs_break_layouts(struct inode *inode, uint *iolock, bool with_imutex) | 
|  | { | 
|  | return 0; | 
|  | } | 
|  | #endif /* CONFIG_NFSD_PNFS */ | 
|  | #endif /* _XFS_PNFS_H */ |