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[XFS] Fix ABBA deadlock between i_mutex and iolock. Avoid calling
authorLachlan McIlroy <lachlan@sgi.com>
Thu, 7 Sep 2006 04:27:05 +0000 (14:27 +1000)
committerDavid Chatterton <chatz@sgi.com>
Thu, 7 Sep 2006 04:27:05 +0000 (14:27 +1000)
__blockdev_direct_IO for the DIO_OWN_LOCKING case for direct I/O reads
since it drops and reacquires the i_mutex while holding the iolock and
this violates the locking order.

SGI-PV: 955696
SGI-Modid: xfs-linux-melb:xfs-kern:26898a

Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
Signed-off-by: David Chatterton <chatz@sgi.com>

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