struct btrfs_root *open_ctree_fd(int fp, const char *path, u64 sb_bytenr,
int writes)
{
struct btrfs_fs_info *info;
info = __open_ctree_fd(fp, path, sb_bytenr, 0, writes, 0);
if (!info)
return NULL;
return info->fs_root;
}
struct btrfs_root *open_ctree_recovery(const char *filename, u64 sb_bytenr,
u64 root_tree_bytenr)
{
int fp;
struct btrfs_fs_info *info;
fp = open(filename, O_RDONLY);
if (fp < 0) {
fprintf (stderr, "Could not open %s\n", filename);
return NULL;
}
info = __open_ctree_fd(fp, filename, sb_bytenr,
root_tree_bytenr, 0, 0);
close(fp);
if (!info)
return NULL;
return info->fs_root;
}
struct btrfs_fs_info *open_ctree_fs_info(const char *filename,
u64 sb_bytenr, int writes,
int partial)
{
int fp;
struct btrfs_fs_info *info;
int flags = O_CREAT | O_RDWR;
if (!writes)
flags = O_RDONLY;
fp = open(filename, flags, 0600);
if (fp < 0) {
fprintf (stderr, "Could not open %s\n", filename);
return NULL;
}
info = __open_ctree_fd(fp, filename, sb_bytenr, 0, writes, partial);
close(fp);
return info;
}
