diff options
Diffstat (limited to 'ANDROID_3.4.5/fs/xfs/xfs_rw.h')
| -rw-r--r-- | ANDROID_3.4.5/fs/xfs/xfs_rw.h | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/ANDROID_3.4.5/fs/xfs/xfs_rw.h b/ANDROID_3.4.5/fs/xfs/xfs_rw.h new file mode 100644 index 00000000..bbdb9ad6 --- /dev/null +++ b/ANDROID_3.4.5/fs/xfs/xfs_rw.h @@ -0,0 +1,47 @@ +/* + * 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__ */ |