diff options
Diffstat (limited to 'ANDROID_3.4.5/fs/udf/lowlevel.c')
-rw-r--r-- | ANDROID_3.4.5/fs/udf/lowlevel.c | 67 |
1 files changed, 0 insertions, 67 deletions
diff --git a/ANDROID_3.4.5/fs/udf/lowlevel.c b/ANDROID_3.4.5/fs/udf/lowlevel.c deleted file mode 100644 index 6583fe9b..00000000 --- a/ANDROID_3.4.5/fs/udf/lowlevel.c +++ /dev/null @@ -1,67 +0,0 @@ -/* - * lowlevel.c - * - * PURPOSE - * Low Level Device Routines for the UDF filesystem - * - * COPYRIGHT - * This file is distributed under the terms of the GNU General Public - * License (GPL). Copies of the GPL can be obtained from: - * ftp://prep.ai.mit.edu/pub/gnu/GPL - * Each contributing author retains all rights to their own work. - * - * (C) 1999-2001 Ben Fennema - * - * HISTORY - * - * 03/26/99 blf Created. - */ - -#include "udfdecl.h" - -#include <linux/blkdev.h> -#include <linux/cdrom.h> -#include <asm/uaccess.h> - -#include "udf_sb.h" - -unsigned int udf_get_last_session(struct super_block *sb) -{ - struct cdrom_multisession ms_info; - unsigned int vol_desc_start; - struct block_device *bdev = sb->s_bdev; - int i; - - vol_desc_start = 0; - ms_info.addr_format = CDROM_LBA; - i = ioctl_by_bdev(bdev, CDROMMULTISESSION, (unsigned long)&ms_info); - - if (i == 0) { - udf_debug("XA disk: %s, vol_desc_start=%d\n", - ms_info.xa_flag ? "yes" : "no", ms_info.addr.lba); - if (ms_info.xa_flag) /* necessary for a valid ms_info.addr */ - vol_desc_start = ms_info.addr.lba; - } else { - udf_debug("CDROMMULTISESSION not supported: rc=%d\n", i); - } - return vol_desc_start; -} - -unsigned long udf_get_last_block(struct super_block *sb) -{ - struct block_device *bdev = sb->s_bdev; - unsigned long lblock = 0; - - /* - * ioctl failed or returned obviously bogus value? - * Try using the device size... - */ - if (ioctl_by_bdev(bdev, CDROM_LAST_WRITTEN, (unsigned long) &lblock) || - lblock == 0) - lblock = bdev->bd_inode->i_size >> sb->s_blocksize_bits; - - if (lblock) - return lblock - 1; - else - return 0; -} |