File 0171-Btrfs-progs-btrfs-corrupt-block-fix-the-wr... of Package btrfsprogs

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File 0171-Btrfs-progs-btrfs-corrupt-block-fix-the-wrong-usage.patch of Package btrfsprogs

From 2b0d4908db8a2b6120be1617b50187b32b79e56e Mon Sep 17 00:00:00 2001
From: Miao Xie <miaox@cn.fujitsu.com>
Date: Thu, 23 Feb 2012 15:52:05 +0800
Subject: [PATCH 2/3] Btrfs-progs, btrfs-corrupt-block: fix the wrong usage

The old usage is a copy of btrfs-map-logical, it's wrong, fix it.

Signed-off-by: Miao Xie <miaox@cn.fujitsu.com>
---
 btrfs-corrupt-block.c |   15 +++++++++------
 1 files changed, 9 insertions(+), 6 deletions(-)

diff --git a/btrfs-corrupt-block.c b/btrfs-corrupt-block.c
index 7051e99..124fb38 100644
--- a/btrfs-corrupt-block.c
+++ b/btrfs-corrupt-block.c
@@ -85,11 +85,14 @@ struct extent_buffer *debug_corrupt_block(struct btrfs_root *root, u64 bytenr,
 
 static void print_usage(void)
 {
-	fprintf(stderr, "usage: btrfs-map-logical [options] mount_point\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, "usage: btrfs-corrupt-block [options] device\n");
+	fprintf(stderr, "\t-l Logical extent to be corrupted\n");
+	fprintf(stderr, "\t-c Copy of the extent to be corrupted"
+		" (usually 1 or 2, default: 0)\n");
+	fprintf(stderr, "\t-b Number of bytes to be corrupted\n");
+	fprintf(stderr, "\t-e Extent to be corrupted\n");
+	fprintf(stderr, "\t-E The whole extent free to be corrupted\n");
+	fprintf(stderr, "\t-k Corrupt keys\n");
 	exit(1);
 }
 
@@ -296,7 +299,7 @@ int main(int ac, char **av)
 
 	while(1) {
 		int c;
-		c = getopt_long(ac, av, "l:c:eEk", long_options,
+		c = getopt_long(ac, av, "l:c:b:eEk", long_options,
 				&option_index);
 		if (c < 0)
 			break;
-- 
1.7.6.233.gd79bc

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File 0171-Btrfs-progs-btrfs-corrupt-block-fix-the-wrong-usage.patch of Package btrfsprogs

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