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generic: Test races between mmap and normal writes

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Add test which spawns two threads one writing to file via normal write
and one via mmap and checks the result. This is mainly interesting to
uncover races between DAX fault handling and write path.

Signed-off-by: Jan Kara <jack@suse.cz>
Acked-by: Brian Foster <bfoster@redhat.com>
Signed-off-by: Dave Chinner <david@fromorbit.com>
This commit is contained in:
Jan Kara
2016-05-09 10:54:10 +10:00
committed by Dave Chinner
parent ea991497f1
commit 96a3ad1630
4 changed files with 162 additions and 20 deletions
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