From 4aca87515a5083ae0e31ce3177189fd43b6d05ac Mon Sep 17 00:00:00 2001 From: Andreas Baumann Date: Sat, 3 Jan 2015 13:58:15 +0100 Subject: patch to Vanilla Tomato 1.28 --- .../e2fsprogs/old_e2fsprogs/ext2fs/alloc_sb.c | 58 ++++++++++++++++++++++ 1 file changed, 58 insertions(+) create mode 100644 release/src/router/busybox/e2fsprogs/old_e2fsprogs/ext2fs/alloc_sb.c (limited to 'release/src/router/busybox/e2fsprogs/old_e2fsprogs/ext2fs/alloc_sb.c') diff --git a/release/src/router/busybox/e2fsprogs/old_e2fsprogs/ext2fs/alloc_sb.c b/release/src/router/busybox/e2fsprogs/old_e2fsprogs/ext2fs/alloc_sb.c new file mode 100644 index 00000000..a7437c96 --- /dev/null +++ b/release/src/router/busybox/e2fsprogs/old_e2fsprogs/ext2fs/alloc_sb.c @@ -0,0 +1,58 @@ +/* vi: set sw=4 ts=4: */ +/* + * alloc_sb.c --- Allocate the superblock and block group descriptors for a + * newly initialized filesystem. Used by mke2fs when initializing a filesystem + * + * Copyright (C) 1994, 1995, 1996, 2003 Theodore Ts'o. + * + * %Begin-Header% + * This file may be redistributed under the terms of the GNU Public + * License. + * %End-Header% + */ + +#include +#include +#if HAVE_UNISTD_H +#include +#endif +#include +#include +#if HAVE_SYS_STAT_H +#include +#endif +#if HAVE_SYS_TYPES_H +#include +#endif + +#include "ext2_fs.h" +#include "ext2fs.h" + +int ext2fs_reserve_super_and_bgd(ext2_filsys fs, + dgrp_t group, + ext2fs_block_bitmap bmap) +{ + blk_t super_blk, old_desc_blk, new_desc_blk; + int j, old_desc_blocks, num_blocks; + + num_blocks = ext2fs_super_and_bgd_loc(fs, group, &super_blk, + &old_desc_blk, &new_desc_blk, 0); + + if (fs->super->s_feature_incompat & EXT2_FEATURE_INCOMPAT_META_BG) + old_desc_blocks = fs->super->s_first_meta_bg; + else + old_desc_blocks = + fs->desc_blocks + fs->super->s_reserved_gdt_blocks; + + if (super_blk || (group == 0)) + ext2fs_mark_block_bitmap(bmap, super_blk); + + if (old_desc_blk) { + for (j=0; j < old_desc_blocks; j++) + ext2fs_mark_block_bitmap(bmap, old_desc_blk + j); + } + if (new_desc_blk) + ext2fs_mark_block_bitmap(bmap, new_desc_blk); + + return num_blocks; +} -- cgit v1.2.3-54-g00ecf