[Btrfs-devel] online resizing (including shrinking) pushed out
Chris Mason
chris.mason at oracle.com
Fri Dec 21 13:37:08 PST 2007
Hello everyone,
Just before I head off to xmas vacation, I've pushed out my current
queue of unstable things to the unstable tree.
The big changes are the online resize, and a very very simple form of
ENOSPC detection:
btrfsctl -r new_size /mount_point
new_size can be an absolute number:
btrfsctl -r 8g /mount_point
or it can be an relative number:
# add 4GB
btrfsctl -r +4g /mount_point
# shrink 4GB
btrfsctl -r -16g /mount_point
This stuff just barely works, I'm sure there are problems, but it's
there for people to play with.
-chris
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