From 6b972e6fa59729018c49787680b45228bb0df16a Mon Sep 17 00:00:00 2001 From: Wang Sheng-Hui Date: Wed, 14 Nov 2012 15:46:21 +0800 Subject: [PATCH] btrfs-progs: update usage description for debug-tree.c There are more options than "-e" only. Update the description for the usage. Signed-off-by: Wang Sheng-Hui --- debug-tree.c | 10 +++++++++- 1 file changed, 9 insertions(+), 1 deletion(-) diff --git a/debug-tree.c b/debug-tree.c index 94ffd8e..f6bd5d8 100644 --- a/debug-tree.c +++ b/debug-tree.c @@ -30,7 +30,15 @@ static int print_usage(void) { - fprintf(stderr, "usage: debug-tree [ -e ] device\n"); + fprintf(stderr, "usage: btrfs-debug-tree [ -e ] [ -d ] [ -r ] [ -R ]\n"); + fprintf(stderr, " [-b block_num ] device\n"); + fprintf(stderr, "\t-e : print detailed extents info\n"); + fprintf(stderr, "\t-d : print info of btrfs device and root tree dirs" + " only\n"); + fprintf(stderr, "\t-r : print info of roots only\n"); + fprintf(stderr, "\t-R : print info of roots and root backups\n"); + fprintf(stderr, "\t-b block_num : print info of the specified block" + " only\n"); fprintf(stderr, "%s\n", BTRFS_BUILD_VERSION); exit(1); } -- 2.7.4