btrfs-map-logical supports both short and long options, and also every option
should follow an arg,fix it.
Signed-off-by: Wang Shilong <wangsl.f...@cn.fujitsu.com>
Signed-off-by: Qu Wenruo <quwen...@cn.fujitsu.com>
---
btrfs-map-logical.c | 12 ++++++++----
1 file changed, 8 insertions(+), 4 deletions(-)
diff --git a/btrfs-map-logical.c b/btrfs-map-logical.c
index b9635f7..e46d812 100644
--- a/btrfs-map-logical.c
+++ b/btrfs-map-logical.c
@@ -86,10 +86,14 @@ struct extent_buffer *debug_read_block(struct btrfs_root
*root, u64 bytenr,
static void print_usage(void)
{
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");
- fprintf(stderr, "\t-b Number of bytes to read\n");
+ fprintf(stderr,
+ "\t-l|--logical <logical_num> Logical extent to map\n");
+ fprintf(stderr,
+ "\t-c|--copy <copy> Copy of the extent to read (usually 1 or
2)\n");
+ fprintf(stderr,
+ "\t-o|--output <filename> Output file to hold the extent\n");
+ fprintf(stderr,
+ "\t-b|--bytes <bytes> Number of bytes to read\n");
exit(1);
}
--
1.8.0.1
--
To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in
the body of a message to majord...@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
