Btrfs: extent map selftest: buffered write vs dio read

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This test case simulates the racy situation of buffered write vs dio
read, and see if btrfs_get_extent() would return -EEXIST.

Signed-off-by: Liu Bo <bo.li.liu@oracle.com>
Reviewed-by: Josef Bacik <jbacik@fb.com>
Signed-off-by: David Sterba <dsterba@suse.com>

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Liu Bo 2018-01-05 12:51:13 -07:00 • committed by David Sterba

parent 72b28077a2

commit fd87526fad

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fs/btrfs/tests/extent-map-tests.c

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