tag b2d27c7cee7ef999eedff009682027b91ed595a4
tagger Mike Snitzer <snitzer@redhat.com> Fri Apr 03 13:09:00 2020 -0400
object 8267d8fb4819afa76b2a54dca48efdda6f0b1910

- Fix excessive bio splitting that caused performance regressions.

- Fix logic bug in DM integrity discard support's integrity tag
  testing.

- Fix DM integrity warning on ppc64le due to missing cast.

commit 8267d8fb4819afa76b2a54dca48efdda6f0b1910
author Mikulas Patocka <mpatocka@redhat.com> Fri Apr 03 13:05:50 2020 -0400
committer Mike Snitzer <snitzer@redhat.com> Fri Apr 03 13:07:41 2020 -0400
tree 3462cb434ed814e3186fa90efdc51077dae36098
parent 120c9257f5f19e5d1e87efcbb5531b7cd81b7d74

dm integrity: fix logic bug in integrity tag testing

If all the bytes are equal to DISCARD_FILLER, we want to accept the
buffer. If any of the bytes are different, we must do thorough
tag-by-tag checking.

The condition was inverted.

Fixes: 84597a44a9d8 ("dm integrity: add optional discard support")
Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>