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Date: Wed, 31 May 2017 18:18:23 +0200
From: Christoph Hellwig <hch@....de>
To: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
Amir Goldstein <amir73il@...il.com>,
linux-fsdevel@...r.kernel.org
Cc: Shaohua Li <shli@...nel.org>,
Dan Williams <dan.j.williams@...el.com>,
David Howells <dhowells@...hat.com>,
Steven Whitehouse <swhiteho@...hat.com>,
Mimi Zohar <zohar@...ux.vnet.ibm.com>,
linux-xfs@...r.kernel.org, linux-raid@...r.kernel.org,
linux-nvdimm@...ts.01.org, linux-kernel@...r.kernel.org,
linux-block@...r.kernel.org
Subject: [PATCH 21/24] nvme: switch to uuid_t
Signed-off-by: Christoph Hellwig <hch@....de>
Reviewed-by: Amir Goldstein <amir73il@...il.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
---
drivers/nvme/host/fabrics.c | 8 ++++----
drivers/nvme/host/fabrics.h | 2 +-
drivers/nvme/host/fc.c | 3 +--
drivers/nvme/target/nvmet.h | 1 +
include/linux/nvme-fc.h | 3 +--
include/linux/nvme.h | 3 ++-
6 files changed, 10 insertions(+), 10 deletions(-)
diff --git a/drivers/nvme/host/fabrics.c b/drivers/nvme/host/fabrics.c
index 990e6fb32a63..c190d7e36900 100644
--- a/drivers/nvme/host/fabrics.c
+++ b/drivers/nvme/host/fabrics.c
@@ -58,7 +58,7 @@ static struct nvmf_host *nvmf_host_add(const char *hostnqn)
kref_init(&host->ref);
memcpy(host->nqn, hostnqn, NVMF_NQN_SIZE);
- uuid_be_gen(&host->id);
+ uuid_gen(&host->id);
list_add_tail(&host->list, &nvmf_hosts);
out_unlock:
@@ -75,7 +75,7 @@ static struct nvmf_host *nvmf_host_default(void)
return NULL;
kref_init(&host->ref);
- uuid_be_gen(&host->id);
+ uuid_gen(&host->id);
snprintf(host->nqn, NVMF_NQN_SIZE,
"nqn.2014-08.org.nvmexpress:NVMf:uuid:%pUb", &host->id);
@@ -395,7 +395,7 @@ int nvmf_connect_admin_queue(struct nvme_ctrl *ctrl)
if (!data)
return -ENOMEM;
- memcpy(&data->hostid, &ctrl->opts->host->id, sizeof(uuid_be));
+ uuid_copy(&data->hostid, &ctrl->opts->host->id);
data->cntlid = cpu_to_le16(0xffff);
strncpy(data->subsysnqn, ctrl->opts->subsysnqn, NVMF_NQN_SIZE);
strncpy(data->hostnqn, ctrl->opts->host->nqn, NVMF_NQN_SIZE);
@@ -454,7 +454,7 @@ int nvmf_connect_io_queue(struct nvme_ctrl *ctrl, u16 qid)
if (!data)
return -ENOMEM;
- memcpy(&data->hostid, &ctrl->opts->host->id, sizeof(uuid_be));
+ uuid_copy(&data->hostid, &ctrl->opts->host->id);
data->cntlid = cpu_to_le16(ctrl->cntlid);
strncpy(data->subsysnqn, ctrl->opts->subsysnqn, NVMF_NQN_SIZE);
strncpy(data->hostnqn, ctrl->opts->host->nqn, NVMF_NQN_SIZE);
diff --git a/drivers/nvme/host/fabrics.h b/drivers/nvme/host/fabrics.h
index f5a9c1fb186f..29be7600689d 100644
--- a/drivers/nvme/host/fabrics.h
+++ b/drivers/nvme/host/fabrics.h
@@ -36,7 +36,7 @@ struct nvmf_host {
struct kref ref;
struct list_head list;
char nqn[NVMF_NQN_SIZE];
- uuid_be id;
+ uuid_t id;
};
/**
diff --git a/drivers/nvme/host/fc.c b/drivers/nvme/host/fc.c
index 5b14cbefb724..96b983bb44bd 100644
--- a/drivers/nvme/host/fc.c
+++ b/drivers/nvme/host/fc.c
@@ -878,8 +878,7 @@ nvme_fc_connect_admin_queue(struct nvme_fc_ctrl *ctrl,
assoc_rqst->assoc_cmd.sqsize = cpu_to_be16(qsize);
/* Linux supports only Dynamic controllers */
assoc_rqst->assoc_cmd.cntlid = cpu_to_be16(0xffff);
- memcpy(&assoc_rqst->assoc_cmd.hostid, &ctrl->ctrl.opts->host->id,
- min_t(size_t, FCNVME_ASSOC_HOSTID_LEN, sizeof(uuid_be)));
+ uuid_copy(&assoc_rqst->assoc_cmd.hostid, &ctrl->ctrl.opts->host->id);
strncpy(assoc_rqst->assoc_cmd.hostnqn, ctrl->ctrl.opts->host->nqn,
min(FCNVME_ASSOC_HOSTNQN_LEN, NVMF_NQN_SIZE));
strncpy(assoc_rqst->assoc_cmd.subnqn, ctrl->ctrl.opts->subsysnqn,
diff --git a/drivers/nvme/target/nvmet.h b/drivers/nvme/target/nvmet.h
index cfc5c7fb0ab7..8ff6e430b30a 100644
--- a/drivers/nvme/target/nvmet.h
+++ b/drivers/nvme/target/nvmet.h
@@ -21,6 +21,7 @@
#include <linux/percpu-refcount.h>
#include <linux/list.h>
#include <linux/mutex.h>
+#include <linux/uuid.h>
#include <linux/nvme.h>
#include <linux/configfs.h>
#include <linux/rcupdate.h>
diff --git a/include/linux/nvme-fc.h b/include/linux/nvme-fc.h
index e997c4a49a88..bc711a10be05 100644
--- a/include/linux/nvme-fc.h
+++ b/include/linux/nvme-fc.h
@@ -177,7 +177,6 @@ struct fcnvme_lsdesc_rjt {
};
-#define FCNVME_ASSOC_HOSTID_LEN 16
#define FCNVME_ASSOC_HOSTNQN_LEN 256
#define FCNVME_ASSOC_SUBNQN_LEN 256
@@ -191,7 +190,7 @@ struct fcnvme_lsdesc_cr_assoc_cmd {
__be16 cntlid;
__be16 sqsize;
__be32 rsvd52;
- u8 hostid[FCNVME_ASSOC_HOSTID_LEN];
+ uuid_t hostid;
u8 hostnqn[FCNVME_ASSOC_HOSTNQN_LEN];
u8 subnqn[FCNVME_ASSOC_SUBNQN_LEN];
u8 rsvd632[384];
diff --git a/include/linux/nvme.h b/include/linux/nvme.h
index b625bacf37ef..e400a69fa1d3 100644
--- a/include/linux/nvme.h
+++ b/include/linux/nvme.h
@@ -16,6 +16,7 @@
#define _LINUX_NVME_H
#include <linux/types.h>
+#include <linux/uuid.h>
/* NQN names in commands fields specified one size */
#define NVMF_NQN_FIELD_LEN 256
@@ -843,7 +844,7 @@ struct nvmf_connect_command {
};
struct nvmf_connect_data {
- __u8 hostid[16];
+ uuid_t hostid;
__le16 cntlid;
char resv4[238];
char subsysnqn[NVMF_NQN_FIELD_LEN];
--
2.11.0
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