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Darrick J. Wong
d38fc1527d
Dave Chinner reports[1] that an appending AIO DIO write to the second block of a zero-length file and an fallocate request to the first block of the same file can race to set isize, with the user-visible end result that the file size is set incorrectly to one block long. Write a small test to reproduce the results. [1] https://lore.kernel.org/linux-xfs/20191029100342.GA41131@bfoster/T/ Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com> Reviewed-by: Eryu Guan <guaneryu@gmail.com> Signed-off-by: Eryu Guan <guaneryu@gmail.com>
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3 lines
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