linux/fs/xfs/xfs_pnfs.h
Benjamin Coddington 15d66ac209 xfs: abstract block export operations from nfsd layouts
Instead of creeping pnfs layout configuration into filesystems, move the
definition of block-based export operations under a more abstract
configuration.

Signed-off-by: Benjamin Coddington <bcodding@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Acked-by: Dave Chinner <david@fromorbit.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
2016-07-15 15:31:29 -04:00

20 lines
637 B
C

#ifndef _XFS_PNFS_H
#define _XFS_PNFS_H 1
#ifdef CONFIG_EXPORTFS_BLOCK_OPS
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_EXPORTFS_BLOCK_OPS */
#endif /* _XFS_PNFS_H */