void o2fsck_mark_cluster_allocated(o2fsck_state *ost, uint32_t cluster)
{
int was_set = 0;
errcode_t ret;
const char *whoami = __FUNCTION__;
o2fsck_bitmap_set(ost->ost_allocated_clusters, cluster, &was_set);
if (!was_set)
return;
if (!ost->ost_duplicate_clusters) {
fprintf(stderr,
"Duplicate clusters detected. Pass 1b will be run\n");
ret = ocfs2_cluster_bitmap_new(ost->ost_fs,
"duplicate clusters",
&ost->ost_duplicate_clusters);
if (ret) {
com_err(whoami, ret,
"while allocating duplicate cluster bitmap");
o2fsck_abort();
}
}
verbosef("Cluster %"PRIu32" is allocated to more than one object\n",
cluster);
ocfs2_bitmap_set(ost->ost_duplicate_clusters, cluster, NULL);
}
void __o2fsck_bitmap_set(ocfs2_bitmap *bitmap, uint64_t bitno, int *oldval,
const char *where)
{
errcode_t ret;
ret = ocfs2_bitmap_set(bitmap, bitno, oldval);
if (ret) {
com_err(where, ret, "while trying to set bit %"PRIu64,
bitno);
o2fsck_abort();
}
}
static int walk_tree_func(struct ocfs2_dir_entry *dentry,
int offset,
int blocksize,
char *buf,
void *priv_data)
{
errcode_t ret;
int len, oldval;
int reti = 0;
char *old_path, *path;
struct walk_path *wp = priv_data;
if (!strncmp(dentry->name, ".", dentry->name_len) ||
!strncmp(dentry->name, "..", dentry->name_len))
return 0;
len = strlen(wp->path);
if (len + dentry->name_len > 4095) {
fprintf(stderr, "name is too long in %s\n", wp->path);
return OCFS2_DIRENT_ABORT;
}
ret = ocfs2_malloc0(4096, &path);
if (ret) {
com_err(wp->argv0, ret,
"while allocating path memory in %s\n",
wp->path);
return OCFS2_DIRENT_ABORT;
}
memcpy(path, wp->path, len);
memcpy(path + len, dentry->name, dentry->name_len);
if (dentry->file_type == OCFS2_FT_DIR)
path[len + dentry->name_len] = '/';
if (wp->check_dups) {
ret = ocfs2_bitmap_test(wp->dup_map, dentry->inode,
&oldval);
if (oldval) {
fprintf(stdout, "Dup! %20"PRIu64" %s\n",
(uint64_t)dentry->inode, path);
}
goto out;
}
oldval = 0;
ret = ocfs2_bitmap_set(wp->inode_map, dentry->inode, &oldval);
if (ret) {
com_err(wp->argv0, ret,
"while setting bitmap bit %"PRIu64"\n",
(uint64_t)dentry->inode);
reti = OCFS2_DIRENT_ABORT;
goto out;
}
if (oldval) {
wp->has_dups = 1;
ret = ocfs2_bitmap_set(wp->dup_map, dentry->inode,
NULL);
if (ret) {
com_err(wp->argv0, ret,
"while setting dup bit %"PRIu64"\n",
(uint64_t)dentry->inode);
reti = OCFS2_DIRENT_ABORT;
goto out;
}
}
if (!wp->quiet)
fprintf(stdout, "%20"PRIu64" %s\n",
(uint64_t)dentry->inode, path);
if (dentry->file_type == OCFS2_FT_DIR) {
old_path = wp->path;
wp->path = path;
ret = ocfs2_dir_iterate(wp->fs, dentry->inode, 0, NULL,
walk_tree_func, wp);
if (ret) {
com_err(wp->argv0, ret,
"while walking %s", wp->path);
reti = OCFS2_DIRENT_ABORT;
}
wp->path = old_path;
}
out:
ocfs2_free(&path);
return reti;
}
int main(int argc, char *argv[])
{
errcode_t ret;
uint64_t blkno;
char *filename;
ocfs2_filesys *fs;
struct walk_path wp;
blkno = OCFS2_SUPER_BLOCK_BLKNO;
initialize_ocfs_error_table();
wp.argv0 = argv[0];
wp.quiet = 0;
wp.has_dups = 0;
wp.check_dups = 0;
if (argc < 2) {
fprintf(stderr, "Missing filename\n");
print_usage();
return 1;
}
filename = argv[1];
if (argc > 2) {
if (!strcmp(argv[2], "-q"))
wp.quiet = 1;
}
ret = ocfs2_open(filename, OCFS2_FLAG_RO, 0, 0, &fs);
if (ret) {
com_err(argv[0], ret,
"while opening file \"%s\"", filename);
goto out;
}
wp.fs = fs;
ret = ocfs2_block_bitmap_new(fs, "Inode bitmap", &wp.inode_map);
if (ret) {
com_err(argv[0], ret,
"while creating the inode bitmap");
goto out_close;
}
ret = ocfs2_block_bitmap_new(fs, "Duplicate inode bitmap",
&wp.dup_map);
if (ret) {
com_err(argv[0], ret,
"while creating the duplicate inode bitmap");
goto out_close;
}
ocfs2_bitmap_set(wp.inode_map,
OCFS2_RAW_SB(fs->fs_super)->s_system_dir_blkno,
NULL);
ocfs2_bitmap_set(wp.inode_map,
OCFS2_RAW_SB(fs->fs_super)->s_root_blkno,
NULL);
fprintf(stdout, "Walking system directory...\n");
wp.path = "<system_dir>/";
ret = ocfs2_dir_iterate(fs,
OCFS2_RAW_SB(fs->fs_super)->s_system_dir_blkno,
0, NULL, walk_tree_func, &wp);
if (ret) {
com_err(argv[0], ret,
"while walking sysdm dir inode %"PRIu64" on \"%s\"\n",
blkno, filename);
goto out_close;
}
wp.path = "/";
fprintf(stdout, "Walking root directory...\n");
ret = ocfs2_dir_iterate(fs,
OCFS2_RAW_SB(fs->fs_super)->s_root_blkno,
0, NULL, walk_tree_func, &wp);
if (ret) {
com_err(argv[0], ret,
"while walking root inode %"PRIu64" on \"%s\"\n",
blkno, filename);
goto out_close;
}
if (wp.has_dups) {
fprintf(stdout, "Hardlinks found\n");
wp.check_dups = 1;
fprintf(stdout, "Scanning system directory for dups...\n");
wp.path = "<system_dir>/";
ret = ocfs2_dir_iterate(fs,
OCFS2_RAW_SB(fs->fs_super)->s_system_dir_blkno,
0, NULL, walk_tree_func, &wp);
if (ret) {
com_err(argv[0], ret,
"while dup scanning sysdm dir inode %"PRIu64
" on \"%s\"\n",
blkno, filename);
goto out_close;
}
wp.path = "/";
fprintf(stdout, "Scanning root directory for dups...\n");
ret = ocfs2_dir_iterate(fs,
OCFS2_RAW_SB(fs->fs_super)->s_root_blkno,
0, NULL, walk_tree_func, &wp);
if (ret) {
com_err(argv[0], ret,
"while dup scanning root inode %"PRIu64
" on \"%s\"\n",
blkno, filename);
goto out_close;
}
}
out_close:
ret = ocfs2_close(fs);
if (ret) {
com_err(argv[0], ret,
"while closing file \"%s\"", filename);
}
out:
return 0;
}
