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 <miaox@cn.fujitsu.com>
This commit is contained in:
Miao Xie 2012-02-23 15:51:09 +08:00 committed by Chris Mason
parent 596979bee1
commit 06cf101a28

View File

@ -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}
};