diff options
| author | Gui Hecheng <guihc.fnst@cn.fujitsu.com> | 2014-07-07 09:54:53 +0800 |
|---|---|---|
| committer | David Sterba <dsterba@suse.cz> | 2014-10-01 16:34:05 +0200 |
| commit | 7ab92a3e685d7a301df4e9e685f3809f648987b7 (patch) | |
| tree | 2ca5434fd8fa54db3a5da6940d6ded06118ba9c7 /Documentation | |
| parent | 5eb89fb10927796128cc2d2561b84f9026d855f0 (diff) | |
btrfs-progs: update manpage with new option -f for btrfstune
The new option -f will force to do dangerous changes.
e.g. clear the seeding flag.
Signed-off-by: Gui Hecheng <guihc.fnst@cn.fujitsu.com>
[more text from 3db4c0a3d35dd5f8 changelog]
Signed-off-by: David Sterba <dsterba@suse.cz>
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/btrfstune.txt | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/Documentation/btrfstune.txt b/Documentation/btrfstune.txt index 56cf66bb..d49a9742 100644 --- a/Documentation/btrfstune.txt +++ b/Documentation/btrfstune.txt @@ -24,7 +24,14 @@ Enable seeding forces a fs readonly so that you can use it to build other filesy Enable extended inode refs. -x:: Enable skinny metadata extent refs. +-f:: +Allow dangerous changes, e.g. clear the seeding flag +When mounting the new device, btrfs will check whether the seeding flag is set +when try to open seeding device. If the user clears the seeding flag of the +seeding device, the new device will not be mountable. Even setting the seeding +flag back will not fix this problem, because the generation will be changed at +that time. Clear the seeding flag may damage the new filesystem. EXIT STATUS ----------- |