/* * Copyright (c) 2000-2006 Silicon Graphics, Inc. * All Rights Reserved. * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License as * published by the Free Software Foundation. * * This program is distributed in the hope that it would be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */ #ifndef __XFS_RW_H__ #define __XFS_RW_H__ struct xfs_buf; struct xfs_inode; struct xfs_mount; /* * Convert the given file system block to a disk block. * We have to treat it differently based on whether the * file is a real time file or not, because the bmap code * does. */ static inline xfs_daddr_t xfs_fsb_to_db(struct xfs_inode *ip, xfs_fsblock_t fsb) { return (XFS_IS_REALTIME_INODE(ip) ? \ (xfs_daddr_t)XFS_FSB_TO_BB((ip)->i_mount, (fsb)) : \ XFS_FSB_TO_DADDR((ip)->i_mount, (fsb))); } /* * Prototypes for functions in xfs_rw.c. */ extern int xfs_read_buf(struct xfs_mount *mp, xfs_buftarg_t *btp, xfs_daddr_t blkno, int len, uint flags, struct xfs_buf **bpp); extern xfs_extlen_t xfs_get_extsz_hint(struct xfs_inode *ip); #endif /* __XFS_RW_H__ */