kernel-ark/fs/xfs/xfs_pnfs.h
Christoph Hellwig 781355c6e5 xfs: recall pNFS layouts on conflicting access
Recall all outstanding pNFS layouts and truncates, writes and similar extent
list modifying operations.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Signed-off-by: Dave Chinner <david@fromorbit.com>
2015-02-16 11:59:50 +11:00

19 lines
583 B
C

#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);
#else
static inline int xfs_break_layouts(struct inode *inode, uint *iolock)
{
return 0;
}
#endif /* CONFIG_NFSD_PNFS */
#endif /* _XFS_PNFS_H */