generic: Add regression test for tail page zeroing

Add test checking for a race in ext4 writeback that could result in
zeroing too much from the tail page during writeback.

[eguan: removed from quick group, it needs longer time on xfs and
btrfs]

Signed-off-by: Jan Kara <jack@suse.cz>
Reviewed-by: Eryu Guan <eguan@redhat.com>
Signed-off-by: Eryu Guan <eguan@redhat.com>
This commit is contained in:
Jan Kara
2017-05-29 13:32:15 +02:00
committed by Eryu Guan
parent 16985be90e
commit f12193300a
6 changed files with 156 additions and 1 deletions
+2
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@@ -0,0 +1,2 @@
QA output created by 438
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