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Diffstat (limited to 'Documentation/btrfstune.txt')
| -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 ----------- |