[4/4] btrfs-progs: update manpage for btrfs-image with -m option added
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Message ID 1403142363-29482-4-git-send-email-guihc.fnst@cn.fujitsu.com
State Accepted
Headers show

Commit Message

Gui Hecheng June 19, 2014, 1:46 a.m. UTC
The btrfs-image support multiple devices with -m specified.

Signed-off-by: Gui Hecheng <guihc.fnst@cn.fujitsu.com>
 Documentation/btrfs-image.txt | 3 +++
 btrfs-image.c                 | 1 +
 2 files changed, 4 insertions(+)

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diff --git a/Documentation/btrfs-image.txt b/Documentation/btrfs-image.txt
index 7ee820c..155194a 100644
--- a/Documentation/btrfs-image.txt
+++ b/Documentation/btrfs-image.txt
@@ -48,6 +48,9 @@  Walk all the trees manually and copy any blocks that are referenced. Use this
 option if your extent tree is corrupted to make sure that all of the metadata is
+Restore for multiple devices, more than 1 device should be provided.
 *btrfs-image* will return 0 if no error happened.
diff --git a/btrfs-image.c b/btrfs-image.c
index b235b87..a87dcb7 100644
--- a/btrfs-image.c
+++ b/btrfs-image.c
@@ -2446,6 +2446,7 @@  static void print_usage(void)
 	fprintf(stderr, "\t-o      \tdon't mess with the chunk tree when restoring\n");
 	fprintf(stderr, "\t-s      \tsanitize file names, use once to just use garbage, use twice if you want crc collisions\n");
 	fprintf(stderr, "\t-w      \twalk all trees instead of using extent tree, do this if your extent tree is broken\n");
+	fprintf(stderr, "\t-m	   \trestore for multiple devices\n");