tree 446381c8e8c7b592b47c2e50c32b1e40817fcfe1
parent ac0b74d8a1ced8ea86147467daf06b15b130dd94
author Greg Farnum <gregf@hq.newdream.net> 1284744242 -0700
committer Sage Weil <sage@newdream.net> 1287614297 -0700

ceph: preallocate flock state without locks held

When the lock_kernel() turns into lock_flocks() and a spinlock, we won't
be able to do allocations with the lock held.  Preallocate space without
the lock, and retry if the lock state changes out from underneath us.

Signed-off-by: Greg Farnum <gregf@hq.newdream.net>
Signed-off-by: Sage Weil <sage@newdream.net>