tree 99b363645203df002ab421bbd7be3b56dbd1e6ef
parent 546adb0d817c34dc2be3a7cb5bba8771f837a562
author Arne Jansen <sensille@gmx.net> 1316007845 +0200
committer Jan Schmidt <list.btrfs@jan-o-sch.net> 1342083279 +0200

Btrfs: hooks to reserve qgroup space

Like block reserves, reserve a small piece of space on each
transaction start and for delalloc. These are the hooks that
can actually return EDQUOT to the user.
The amount of space reserved is tracked in the transaction
handle.

Signed-off-by: Arne Jansen <sensille@gmx.net>