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author	Ilya Dryomov <idryomov@gmail.com>
	Fri, 16 Jun 2023 12:01:52 +0000 (14:01 +0200)
committer	Ilya Dryomov <idryomov@gmail.com>
	Sun, 2 Jul 2023 12:00:35 +0000 (14:00 +0200)
commit	cbd88633a9c19779ad4b2e367bdc17f83b3a065d
tree	89eedf850639c951b3d5075f914601f35f5809a9	tree \| snapshot
parent	17bb979aaca3d53de47b80bec85c8fe6cee76115	commit \| diff

qa/workunits/rbd: make continuous export-diff test actually work

The current version is pretty useless:

- "rbd bench" writes the same byte (0xff) over and over again, so
almost all checksumming is in vain
- snapshots are taken in a steady state (i.e. not under I/O), so no
race conditions can get exposed
- even with these caveats, it's not wired up into the suite

Redo this workunit to be a reliable reproducer for the issue fixed
in the previous commit and wire it up for both krbd and rbd-nbd.

Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
(cherry picked from commit acb270a3dd07211f06aa11f8792a333f3a1b796d)

qa/suites/krbd/thrash/workloads/krbd_diff_continuous.yaml	[new file with mode: 0644]	blob
qa/suites/rbd/nbd/workloads/rbd_nbd_diff_continuous.yaml	[new file with mode: 0644]	blob
qa/workunits/rbd/diff_continuous.sh		diff \| blob \| history