diff options
Diffstat (limited to 'btrfs-map-logical.c')
| -rw-r--r-- | btrfs-map-logical.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/btrfs-map-logical.c b/btrfs-map-logical.c index d79a73a9..fa4fb3f5 100644 --- a/btrfs-map-logical.c +++ b/btrfs-map-logical.c @@ -84,7 +84,7 @@ 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 +96,7 @@ 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} }; |