tree 9222c0c8921fda5b842c2d1007d911d47bd4fe7c
parent a8a8a669ea13d792296737505adc43ccacf3a648
author David Teigland <teigland@redhat.com> 1259620483 -0600
committer David Teigland <teigland@redhat.com> 1259620483 -0600

dlm: always use GFP_NOFS

Replace all GFP_KERNEL and ls_allocation with GFP_NOFS.
ls_allocation would be GFP_KERNEL for userland lockspaces
and GFP_NOFS for file system lockspaces.

It was discovered that any lockspaces on the system can
affect all others by triggering memory reclaim in the
file system which could in turn call back into the dlm
to acquire locks, deadlocking dlm threads that were
shared by all lockspaces, like dlm_recv.

Signed-off-by: David Teigland <teigland@redhat.com>