tree 9bb5006c9bcb1651f9c447869f4e90deb116e6e8
parent 4d5476164a052e80d4ef430e368e76dbde96801f
author Eric Sandeen <sandeen@redhat.com> 1288229407 -0400
committer Theodore Ts'o <tytso@mit.edu> 1288229407 -0400

ext4: don't use ext4_allocation_contexts for tracing

Many tracepoints were populating an ext4_allocation_context
to pass in, but this requires a slab allocation even when
tracepoints are off.  In fact, 4 of 5 of these allocations
were only for tracing.  In addition, we were only using a
small fraction of the 144 bytes of this structure for this
purpose.

We can do away with all these alloc/frees of the ac and
simply pass in the bits we care about, instead.

I tested this by turning on tracing and running through
xfstests on x86_64.  I did not actually do anything with
the trace output, however.

Signed-off-by: Eric Sandeen <sandeen@redhat.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>