3 commits

Author	SHA1	Message	Date
Mike Snitzer	a3998799fb	dm flakey: add corrupt_bio_byte feature ... Add corrupt_bio_byte feature to simulate corruption by overwriting a byte at a specified position with a specified value during intervals when the device is "down". Signed-off-by: Mike Snitzer <snitzer@redhat.com> Signed-off-by: Alasdair G Kergon <agk@redhat.com>	2011-08-02 12:32:06 +01:00
Mike Snitzer	b26f5e3d71	dm flakey: add drop_writes ... Add 'drop_writes' option to drop writes silently while the device is 'down'. Reads are not touched. Signed-off-by: Mike Snitzer <snitzer@redhat.com> Signed-off-by: Alasdair G Kergon <agk@redhat.com>	2011-08-02 12:32:05 +01:00
Josef Bacik	3407ef5262	dm: add flakey target ... This target is the same as the linear target except that it returns I/O errors periodically. It's been found useful in simulating failing devices for testing purposes. I needed a dm target to do some failure testing on btrfs's raid code, and Mike pointed me at this. Signed-off-by: Josef Bacik <josef@redhat.com> Signed-off-by: Alasdair G Kergon <agk@redhat.com>	2011-03-24 13:54:24 +00:00