original_kernel/fs/jfs/jfs_extent.h

17 lines
511 B
C

/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* Copyright (C) International Business Machines Corp., 2000-2001
*/
#ifndef _H_JFS_EXTENT
#define _H_JFS_EXTENT
/* get block allocation hint as location of disk inode */
#define INOHINT(ip) \
(addressPXD(&(JFS_IP(ip)->ixpxd)) + lengthPXD(&(JFS_IP(ip)->ixpxd)) - 1)
extern int extAlloc(struct inode *, s64, s64, xad_t *, bool);
extern int extHint(struct inode *, s64, xad_t *);
extern int extRecord(struct inode *, xad_t *);
#endif /* _H_JFS_EXTENT */