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btrfs-progs: update usage description for debug-tree.c

PATCH New Wang Sheng-Hui 1 participant 1 message Nov 14, 2012 Btrfs file system

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Wang Sheng-Hui

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PATCH 1/2 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 <[email protected]>
---
 debug-tree.c |   10 +++++++++-
 1 files changed, 9 insertions(+), 1 deletions(-)
debug-tree.c +9 -1
index 94ffd8e..f6bd5d8 100644
@@ -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);
 }
Signature · 1 line
1.7.5.4