diff options
author | Qu Wenruo <quwenruo@cn.fujitsu.com> | 2014-11-24 15:27:44 +0800 |
---|---|---|
committer | David Sterba <dsterba@suse.cz> | 2015-01-21 17:23:23 +0100 |
commit | 39568fa417ceee3133a8cadae0bd1527adf61221 (patch) | |
tree | 5022aecd08bc2785b2e43dc0bb77ece2f6506f1c /btrfs-image.c | |
parent | 751fe9b91638c34eeae6e1b469b7ec6184d6107e (diff) |
btrfs-progs: Doc: Add explain on 'source' and 'target' for btrfs-image.
Add explain on 'source' and 'target', which is somewhat confusing for
users who want to restore dumped image.
Signed-off-by: Qu Wenruo <quwenruo@cn.fujitsu.com>
[reworded texts]
Signed-off-by: David Sterba <dsterba@suse.cz>
Diffstat (limited to 'btrfs-image.c')
-rw-r--r-- | btrfs-image.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/btrfs-image.c b/btrfs-image.c index cb17f161..1341bf1f 100644 --- a/btrfs-image.c +++ b/btrfs-image.c @@ -2466,6 +2466,9 @@ static void print_usage(void) 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"); + fprintf(stderr, "\n"); + fprintf(stderr, "\tIn the dump mode, source is the btrfs device and target is the output file (use '-' for stdout).\n"); + fprintf(stderr, "\tIn the restore mode, source is the dumped image and target is the btrfs device/file.\n"); exit(1); } |