Re: [PATCH v9 01/12] nvme-core: introduce nvme_ctrl_get_by_path()

From: Keith Busch
Date: Wed Oct 09 2019 - 18:13:49 EST


On Wed, Oct 09, 2019 at 01:25:18PM -0600, Logan Gunthorpe wrote:
> nvme_ctrl_get_by_path() is analagous to blkdev_get_by_path() except it
> gets a struct nvme_ctrl from the path to its char dev (/dev/nvme0).
> It makes use of filp_open() to open the file and uses the private
> data to obtain a pointer to the struct nvme_ctrl. If the fops of the
> file do not match, -EINVAL is returned.
>
> The purpose of this function is to support NVMe-OF target passthru.
>
> Signed-off-by: Logan Gunthorpe <logang@xxxxxxxxxxxx>
> Reviewed-by: Max Gurtovoy <maxg@xxxxxxxxxxxx>
> Reviewed-by: Sagi Grimberg <sagi@xxxxxxxxxxx>

Looks fine.

Reviewed-by: Keith Busch <kbusch@xxxxxxxxxx>