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author | Qu Wenruo <quwenruo@cn.fujitsu.com> | 2014-11-24 15:27:44 +0800 |
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committer | David Sterba <dsterba@suse.cz> | 2015-01-21 17:23:23 +0100 |
commit | 39568fa417ceee3133a8cadae0bd1527adf61221 (patch) | |
tree | 5022aecd08bc2785b2e43dc0bb77ece2f6506f1c /Documentation | |
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 'Documentation')
-rw-r--r-- | Documentation/btrfs-image.txt | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/Documentation/btrfs-image.txt b/Documentation/btrfs-image.txt index b7751f90..38265171 100644 --- a/Documentation/btrfs-image.txt +++ b/Documentation/btrfs-image.txt @@ -13,8 +13,13 @@ DESCRIPTION ----------- *btrfs-image* is used to create an image of a btrfs filesystem. All data will be zeroed, but metadata and the like is preserved. +Mainly used for debugging purposes. + +In the dump mode, source is the btrfs device/file and target is the output +file (use '-' for stdout). + +In the restore mode (option -r), source is the dumped image and target is the btrfs device/file. -Mainly used for debug purpose. OPTIONS ------- |