Re: [5.4.y PATCH v2] dm: remove special-casing of bio-based immutable singleton target on NVMe

On Tue, Jun 21, 2022 at 12:35:04PM -0400, Mike Snitzer wrote:

Commit 9c37de297f6590937f95a28bec1b7ac68a38618f upstream.

There is no benefit to DM special-casing NVMe. Remove all code used to establish DM_TYPE_NVME_BIO_BASED.

Also, remove 3 'struct mapped_device *md' variables in __map_bio() which masked the same variable that is available within __map_bio()'s scope.

Tested-by: Guenter Roeck linux@roeck-us.net Signed-off-by: Mike Snitzer snitzer@kernel.org

---

drivers/md/dm-table.c | 32 +-------------- drivers/md/dm.c | 73 ++++------------------------------- include/linux/device-mapper.h | 1 - 3 files changed, 9 insertions(+), 97 deletions(-)

Now queued up, thanks.

greg k-h