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(parent: 6f09280) | patch
direct-io: fix AIO regression
authorChristoph Hellwig <hch@lst.de>
Wed, 30 Jul 2014 11:18:48 +0000 (07:18 -0400)
committerAl Viro <viro@zeniv.linux.org.uk>
Fri, 1 Aug 2014 06:35:51 +0000 (02:35 -0400)
commitaf436472772d474acfad724ce789e003d1ca41c3
tree282f8b70abda0aa10827d4237cee4c408260748ctree | snapshot
parent6f0928036bcbd8dd2ebee9201580da8bcc0a81afcommit | diff
direct-io: fix AIO regression

The direct-io.c rewrite to use the iov_iter infrastructure stopped updating
the size field in struct dio_submit, and thus rendered the check for
allowing asynchronous completions to always return false.  Fix this by
comparing it to the count of bytes in the iov_iter instead.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reported-by: Tim Chen <tim.c.chen@linux.intel.com>
Tested-by: Tim Chen <tim.c.chen@linux.intel.com>
fs/direct-io.c diff | blob | history
Domain: System / Kernel; Licenses: GPL-2.0;