tree 047b725cf7347e4111b65edd532cf9b1ee8010d1
parent 0771fb4515229821b7d74865b87a430de9fc1113
author Christoph Hellwig <hch@infradead.org> 1192151559 +1000
committer Lachlan McIlroy <lachlan@redback.melbourne.sgi.com> 1202368327 +1100

[XFS] kill superflous buffer locking

There is no need to lock any page in xfs_buf.c because we operate on our
own address_space and all locking is covered by the buffer semaphore. If
we ever switch back to main blockdeive address_space as suggested e.g. for
fsblock with a similar scheme the locking will have to be totally revised
anyway because the current scheme is neither correct nor coherent with
itself.

SGI-PV: 971186
SGI-Modid: xfs-linux-melb:xfs-kern:29845a

Signed-off-by: Christoph Hellwig <hch@infradead.org>
Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
Signed-off-by: Tim Shimmin <tes@sgi.com>