Corrections from Keith Busch review comments. Signed-off-by: Tony Asleson <tasleson@xxxxxxxxxx> --- drivers/nvme/host/core.c | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c index f3c037f5a9ba..f2e5b91668a1 100644 --- a/drivers/nvme/host/core.c +++ b/drivers/nvme/host/core.c @@ -2667,6 +2667,22 @@ static bool nvme_validate_cntlid(struct nvme_subsystem *subsys, return true; } +static ssize_t wwid_show(struct device *dev, struct device_attribute *attr, + char *buf); + +static int dev_to_nvme_durable_name(const struct device *dev, char *buf, size_t len) +{ + char serial[144]; /* Max 141 for wwid_show */ + ssize_t serial_len = wwid_show((struct device *)dev, NULL, serial); + + if (serial_len > 0 && serial_len < len) { + serial_len -= 1; /* Remove the '\n' from the string */ + strncpy(buf, serial, serial_len); + return serial_len; + } + return 0; +} + static int nvme_init_subsystem(struct nvme_ctrl *ctrl, struct nvme_id_ctrl *id) { struct nvme_subsystem *subsys, *found; @@ -3616,6 +3632,8 @@ static void nvme_alloc_ns(struct nvme_ctrl *ctrl, unsigned nsid) disk->queue = ns->queue; disk->flags = flags; memcpy(disk->disk_name, disk_name, DISK_NAME_LEN); + disk_to_dev(disk)->durable_name = dev_to_nvme_durable_name; + ns->disk = disk; __nvme_revalidate_disk(disk, id); -- 2.25.4