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| author | David Teigland <teigland@redhat.com> | 2009-11-30 16:34:43 -0600 |
|---|---|---|
| committer | David Teigland <teigland@redhat.com> | 2009-11-30 16:34:43 -0600 |
| commit | 573c24c4af6664ffcd9aa7ba617a35fde2b95534 (patch) | |
| tree | 9222c0c8921fda5b842c2d1007d911d47bd4fe7c /fs/dlm/dlm_internal.h | |
| parent | a8a8a669ea13d792296737505adc43ccacf3a648 (diff) | |
| download | blackbird-op-linux-573c24c4af6664ffcd9aa7ba617a35fde2b95534.tar.gz blackbird-op-linux-573c24c4af6664ffcd9aa7ba617a35fde2b95534.zip | |
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>
Diffstat (limited to 'fs/dlm/dlm_internal.h')
| -rw-r--r-- | fs/dlm/dlm_internal.h | 1 |
1 files changed, 0 insertions, 1 deletions
diff --git a/fs/dlm/dlm_internal.h b/fs/dlm/dlm_internal.h index d01ca0a711db..826d3dc6e0ab 100644 --- a/fs/dlm/dlm_internal.h +++ b/fs/dlm/dlm_internal.h @@ -473,7 +473,6 @@ struct dlm_ls { int ls_low_nodeid; int ls_total_weight; int *ls_node_array; - gfp_t ls_allocation; struct dlm_rsb ls_stub_rsb; /* for returning errors */ struct dlm_lkb ls_stub_lkb; /* for returning errors */ |
