diff options
Diffstat (limited to 'btrfs-map-logical.c')
| -rw-r--r-- | btrfs-map-logical.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/btrfs-map-logical.c b/btrfs-map-logical.c index d79a73a..b9635f7 100644 --- a/btrfs-map-logical.c +++ b/btrfs-map-logical.c @@ -55,7 +55,8 @@ struct extent_buffer *debug_read_block(struct btrfs_root *root, u64 bytenr, length = blocksize; while (1) { ret = btrfs_map_block(&root->fs_info->mapping_tree, READ, - eb->start, &length, &multi, mirror_num); + eb->start, &length, &multi, + mirror_num, NULL); BUG_ON(ret); device = multi->stripes[0].dev; eb->fd = device->fd; @@ -68,7 +69,7 @@ struct extent_buffer *debug_read_block(struct btrfs_root *root, u64 bytenr, kfree(multi); if (!copy || mirror_num == copy) - ret = read_extent_from_disk(eb); + ret = read_extent_from_disk(eb, 0, eb->len); num_copies = btrfs_num_copies(&root->fs_info->mapping_tree, eb->start, eb->len); @@ -84,7 +85,7 @@ struct extent_buffer *debug_read_block(struct btrfs_root *root, u64 bytenr, static void print_usage(void) { - fprintf(stderr, "usage: btrfs-map-logical [options] mount_point\n"); + fprintf(stderr, "usage: btrfs-map-logical [options] device\n"); fprintf(stderr, "\t-l Logical extent to map\n"); fprintf(stderr, "\t-c Copy of the extent to read (usually 1 or 2)\n"); fprintf(stderr, "\t-o Output file to hold the extent\n"); @@ -96,7 +97,7 @@ static struct option long_options[] = { /* { "byte-count", 1, NULL, 'b' }, */ { "logical", 1, NULL, 'l' }, { "copy", 1, NULL, 'c' }, - { "output", 1, NULL, 'c' }, + { "output", 1, NULL, 'o' }, { "bytes", 1, NULL, 'b' }, { 0, 0, 0, 0} }; |