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author | Austin S. Hemmelgarn <ahferroin7@gmail.com> | 2016-03-23 14:22:59 -0400 |
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committer | David Sterba <dsterba@suse.com> | 2016-05-06 15:22:49 +0200 |
commit | 88be159c905a2b4f6d59afa352bef410afb6af02 (patch) | |
tree | 73bd1700dceef391baf8c1a59f4a52d5a8d852ad /fs/btrfs/super.c | |
parent | cf25ce518e8ef9d59b292e51193bed2b023a32da (diff) |
btrfs: allow balancing to dup with multi-device
Currently, we don't allow the user to try and rebalance to a dup profile
on a multi-device filesystem. In most cases, this is a perfectly sensible
restriction as raid1 uses the same amount of space and provides better
protection.
However, when reshaping a multi-device filesystem down to a single device
filesystem, this requires the user to convert metadata and system chunks
to single profile before deleting devices, and then convert again to dup,
which leaves a period of time where metadata integrity is reduced.
This patch removes the single-device-only restriction from converting to
dup profile to remove this potential data integrity reduction.
Signed-off-by: Austin S. Hemmelgarn <ahferroin7@gmail.com>
Signed-off-by: David Sterba <dsterba@suse.com>
Diffstat (limited to 'fs/btrfs/super.c')
0 files changed, 0 insertions, 0 deletions