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![Christoph Hellwig](https://secure.gravatar.com/avatar/5155a9f7b4ebf934b9ed078d70eba285.jpg?s=96&d=mm)
Christoph Hellwig committed 846785e6a57
dm: don't return errnos from ->map Instead use the special DM_MAPIO_KILL return value to return -EIO just like we do for the request based path. Note that dm-log-writes returned -ENOMEM in a few places, which now becomes -EIO instead. No consumer treats -ENOMEM special so this shouldn't be an issue (and it should use a mempool to start with to make guaranteed progress). Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Mike Snitzer <snitzer@redhat.com> Signed-off-by: Jens Axboe <axboe@fb.com>