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Merge tag 'for-5.7/dm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm

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Pull device mapper fixes from Mike Snitzer:

 - 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

* tag 'for-5.7/dm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm:
  dm integrity: fix logic bug in integrity tag testing
  Revert "dm: always call blk_queue_split() in dm_process_bio()"
  dm integrity: fix ppc64le warning
This commit is contained in:
Linus Torvalds
2020-04-03 14:44:48 -07:00
parent 86f26a77cb 8267d8fb48
commit de3c913c6e
2 changed files with 5 additions and 4 deletions
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5
drivers/md/dm.c
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@@ -1740,8 +1740,9 @@ static blk_qc_t dm_process_bio(struct mapped_device *md,
* won't be imposed.
*/
if (current->bio_list) {
blk_queue_split(md->queue, &bio);
if (!is_abnormal_io(bio))
if (is_abnormal_io(bio))
blk_queue_split(md->queue, &bio);
else
dm_queue_split(md, ti, &bio);
}