Signed-off-by: David Sterba <dsterba@suse.com>
-static void debug_corrupt_block(struct extent_buffer *eb,
+static int debug_corrupt_block(struct extent_buffer *eb,
struct btrfs_root *root, u64 bytenr, u32 blocksize, u64 copy)
{
int ret;
struct btrfs_root *root, u64 bytenr, u32 blocksize, u64 copy)
{
int ret;
ret = btrfs_map_block(&root->fs_info->mapping_tree, READ,
eb->start, &length, &multi,
mirror_num, NULL);
ret = btrfs_map_block(&root->fs_info->mapping_tree, READ,
eb->start, &length, &multi,
mirror_num, NULL);
+ if (ret) {
+ error("cannot map block %llu length %llu mirror %d: %d",
+ (unsigned long long)eb->start,
+ (unsigned long long)length,
+ mirror_num, ret);
+ return ret;
+ }
device = multi->stripes[0].dev;
eb->fd = device->fd;
device->total_ios++;
device = multi->stripes[0].dev;
eb->fd = device->fd;
device->total_ios++;
if (mirror_num > num_copies)
break;
}
if (mirror_num > num_copies)
break;
}
}
static void print_usage(int ret)
}
static void print_usage(int ret)