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8e656fd51 nilfs2: make snapshots in checkpoint tree exportable ... Browse Code »

The previous export operations cannot handle multiple versions of
a filesystem if they belong to the same sb instance.

This adds a new type of file handle and extends export operations so
that they can get the inode specified by a checkpoint number as well
as an inode number and a generation number.

Signed-off-by: Ryusuke Konishi

Ryusuke Konishi
2010-10-23 08:24:34 +0800

export.h 253 Bytes

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#ifndef NILFS_EXPORT_H
#define NILFS_EXPORT_H

#include <linux/exportfs.h>

extern const struct export_operations nilfs_export_ops;

struct nilfs_fid {
	u64 cno;
	u64 ino;
	u32 gen;

	u32 parent_gen;
	u64 parent_ino;
} __attribute__ ((packed));

#endif