diff options
Diffstat (limited to 'bitmap.c')
| -rw-r--r-- | bitmap.c | 44 |
1 files changed, 24 insertions, 20 deletions
@@ -200,28 +200,32 @@ bitmap_file_open(char *filename, struct supertype **stp, int node_num, int fd) close(fd); return -1; } - if ((stb.st_mode & S_IFMT) == S_IFBLK) { - /* block device, so we are probably after an internal bitmap */ - if (!st) - st = guess_super(fd); - if (!st) { - /* just look at device... */ - lseek(fd, 0, 0); - } else if (!st->ss->locate_bitmap) { - pr_err("No bitmap possible with %s metadata\n", - st->ss->name); - close(fd); - return -1; - } else { - if (st->ss->locate_bitmap(st, fd, node_num)) { - pr_err("%s doesn't have bitmap\n", filename); - close(fd); - fd = -1; - } - } - *stp = st; + + if ((stb.st_mode & S_IFMT) != S_IFBLK) { + pr_err("bitmap file is not supported %s\n", filename); + close(fd); + return -1; + } + + if (!st) + st = guess_super(fd); + + if (!st) { + /* just look at device... */ + lseek(fd, 0, 0); + } else if (!st->ss->locate_bitmap) { + pr_err("No bitmap possible with %s metadata\n", st->ss->name); + close(fd); + return -1; + } + + if (st->ss->locate_bitmap(st, fd, node_num)) { + pr_err("%s doesn't have bitmap\n", filename); + close(fd); + fd = -1; } + *stp = st; return fd; } |