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Btrfs: implement online profile changing
authorIlya Dryomov <idryomov@gmail.com>
Mon, 16 Jan 2012 20:04:48 +0000 (22:04 +0200)
committerIlya Dryomov <idryomov@gmail.com>
Mon, 16 Jan 2012 20:04:48 +0000 (22:04 +0200)
commite4d8ec0f65b91bfb4984a4927632ded95f9825ad
tree4727c977803093ec5cdf93da4fcab34cc8de8ecftree
parent70922617b0099f420deceb53d5dc7f4fb30d08d0commit | diff
Btrfs: implement online profile changing

Profile changing is done by launching a balance with
BTRFS_BALANCE_CONVERT bits set and target fields of respective
btrfs_balance_args structs initialized.  Profile reducing code in this
case will pick restriper's target profile if it's available instead of
doing a blind reduce.  If target profile is not yet available it goes
back to a plain reduce.

Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
fs/btrfs/extent-tree.c diff | blob | history
fs/btrfs/volumes.c diff | blob | history
fs/btrfs/volumes.h diff | blob | history
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