From 863db40c3f7cc3a3f7c035ea5747e84c9e2b8747 Mon Sep 17 00:00:00 2001 From: Miao Xie Date: Thu, 23 Feb 2012 15:51:09 +0800 Subject: [PATCH 1/3] Btrfs-progs, btrfs-map-logical: Fix typo in usage The right option is 'o' not 'c'. And this tool is used for the block devices on which there is a btrfs file system, so change "mount_point" to "device". Signed-off-by: Miao Xie --- 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 d79a73a..fa4fb3f 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} }; -- 1.7.6.233.gd79bc