From 1fd98e039d146dcff02a5350f509cabca65fd29c Mon Sep 17 00:00:00 2001 From: Mike Frysinger Date: Mon, 9 May 2005 22:10:42 +0000 Subject: import ext2fs lib to prep for new e2fsprogs --- e2fsprogs/ext2fs/alloc_stats.c | 52 ++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 52 insertions(+) create mode 100644 e2fsprogs/ext2fs/alloc_stats.c (limited to 'e2fsprogs/ext2fs/alloc_stats.c') diff --git a/e2fsprogs/ext2fs/alloc_stats.c b/e2fsprogs/ext2fs/alloc_stats.c new file mode 100644 index 000000000..4088f7b87 --- /dev/null +++ b/e2fsprogs/ext2fs/alloc_stats.c @@ -0,0 +1,52 @@ +/* + * alloc_stats.c --- Update allocation statistics for ext2fs + * + * Copyright (C) 2001 Theodore Ts'o. + * + * %Begin-Header% + * This file may be redistributed under the terms of the GNU Public + * License. + * %End-Header% + * + */ + +#include + +#include "ext2_fs.h" +#include "ext2fs.h" + +void ext2fs_inode_alloc_stats2(ext2_filsys fs, ext2_ino_t ino, + int inuse, int isdir) +{ + int group = ext2fs_group_of_ino(fs, ino); + + if (inuse > 0) + ext2fs_mark_inode_bitmap(fs->inode_map, ino); + else + ext2fs_unmark_inode_bitmap(fs->inode_map, ino); + fs->group_desc[group].bg_free_inodes_count -= inuse; + if (isdir) + fs->group_desc[group].bg_used_dirs_count += inuse; + fs->super->s_free_inodes_count -= inuse; + ext2fs_mark_super_dirty(fs); + ext2fs_mark_ib_dirty(fs); +} + +void ext2fs_inode_alloc_stats(ext2_filsys fs, ext2_ino_t ino, int inuse) +{ + ext2fs_inode_alloc_stats2(fs, ino, inuse, 0); +} + +void ext2fs_block_alloc_stats(ext2_filsys fs, blk_t blk, int inuse) +{ + int group = ext2fs_group_of_blk(fs, blk); + + if (inuse > 0) + ext2fs_mark_block_bitmap(fs->block_map, blk); + else + ext2fs_unmark_block_bitmap(fs->block_map, blk); + fs->group_desc[group].bg_free_blocks_count -= inuse; + fs->super->s_free_blocks_count -= inuse; + ext2fs_mark_super_dirty(fs); + ext2fs_mark_bb_dirty(fs); +} -- cgit v1.2.3