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ext4-realloc-inodes
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iterating through dir

master
Vitaliy Filippov 2013-12-25 23:18:14 +00:00
parent 55f3fa2c01
commit 0007290747
1 changed files with 18 additions and 1 deletions
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19
realloc-inodes.c
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@ -36,6 +36,18 @@
const char *program_name = "realloc-inodes";
int change_inode_numbers(ext2_ino_t dir, int entry,
struct ext2_dir_entry *dirent, int offset,
int blocksize, char *buf, void *priv_data)
{
unsigned int *i_per_g = priv_data;
char name[EXT2_NAME_LEN+1];
strncpy(name, dirent->name, dirent->name_len & 0xff);
name[dirent->name_len & 0xff] = 0;
printf("%s: old %d, new %d\n", name, dirent->inode, 1 + (dirent->inode-1)/i_per_g[0]*i_per_g[1] + (dirent->inode-1)%i_per_g[0]);
return 0;
}
// try to read out all directory inodes?
void test(ext2_filsys fs)
{
@ -43,6 +55,9 @@ void test(ext2_filsys fs)
blk64_t blk;
void *buf;
struct ext2_inode *inode;
unsigned int old_new_i_per_g[2];
old_new_i_per_g[0] = fs->super->s_inodes_per_group;
old_new_i_per_g[1] = fs->super->s_inodes_per_group/2;
retval = ext2fs_get_mem(fs->blocksize * fs->inode_blocks_per_group, &buf);
for (i = 0; i < fs->group_desc_count; i++)
{
@ -58,7 +73,9 @@ void test(ext2_filsys fs)
inode = (struct ext2_inode*)(buf + EXT2_INODE_SIZE(fs->super) * j);
if (inode->i_mode & S_IFDIR)
{
printf("Directory %d\n", 1+j+i*fs->super->s_inodes_per_group);
ext2fs_dir_iterate2(fs, 1+j+i*fs->super->s_inodes_per_group, 0, 0, change_inode_numbers, old_new_i_per_g);
printf("\n");
}
}
}