Btrfs: allow for resuming restriper after it was paused
authorIlya Dryomov <idryomov@gmail.com>
Mon, 16 Jan 2012 20:04:49 +0000 (22:04 +0200)
committerIlya Dryomov <idryomov@gmail.com>
Mon, 16 Jan 2012 20:04:49 +0000 (22:04 +0200)
Recognize BTRFS_BALANCE_RESUME flag passed from userspace.  We use the
same heuristics used when recovering balance after a crash to try to
start where we left off last time.

Signed-off-by: Ilya Dryomov <idryomov@gmail.com>

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