Direct I/O (O_DIRECT) read() of a local filesystem is returning EINVAL on RHEL
Issue
10:39:38.638420 open("f", O_RDONLY|O_NONBLOCK|O_DIRECT) = 3 <0.000014>
10:39:38.638600 read(3, 0x22a20d0, 1810) = -1 EINVAL (Invalid argument) <0.000283>
Environment
- Red Hat Enterprise Linux 6.6
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