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Subject[PATCH 2/7] drbd: Only use drbd_msg_put_info() in drbd_nl.c
Date
From: Andreas Gruenbacher <agruen@linbit.com>

Avoid generic netlink calls in other parts of the code base.

Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
---
drivers/block/drbd/drbd_int.h | 1 -
drivers/block/drbd/drbd_main.c | 17 +++--------------
drivers/block/drbd/drbd_nl.c | 2 +-
3 files changed, 4 insertions(+), 16 deletions(-)

diff --git a/drivers/block/drbd/drbd_int.h b/drivers/block/drbd/drbd_int.h
index c14b718..d2a7589 100644
--- a/drivers/block/drbd/drbd_int.h
+++ b/drivers/block/drbd/drbd_int.h
@@ -1454,7 +1454,6 @@ extern int is_valid_ar_handle(struct drbd_request *, sector_t);


/* drbd_nl.c */
-extern int drbd_msg_put_info(struct sk_buff *skb, const char *info);
extern void drbd_suspend_io(struct drbd_device *device);
extern void drbd_resume_io(struct drbd_device *device);
extern char *ppsize(char *buf, unsigned long long size);
diff --git a/drivers/block/drbd/drbd_main.c b/drivers/block/drbd/drbd_main.c
index cce25a5..1fc8342 100644
--- a/drivers/block/drbd/drbd_main.c
+++ b/drivers/block/drbd/drbd_main.c
@@ -2532,10 +2532,6 @@ int set_resource_options(struct drbd_resource *resource, struct res_opts *res_op

if (!zalloc_cpumask_var(&new_cpu_mask, GFP_KERNEL))
return -ENOMEM;
- /*
- retcode = ERR_NOMEM;
- drbd_msg_put_info("unable to allocate cpumask");
- */

/* silently ignore cpu mask on UP kernel */
if (nr_cpu_ids > 1 && res_opts->cpu_mask[0] != 0) {
@@ -2793,20 +2789,16 @@ enum drbd_ret_code drbd_create_device(struct drbd_config_context *adm_ctx, unsig

id = idr_alloc(&drbd_devices, device, minor, minor + 1, GFP_KERNEL);
if (id < 0) {
- if (id == -ENOSPC) {
+ if (id == -ENOSPC)
err = ERR_MINOR_OR_VOLUME_EXISTS;
- drbd_msg_put_info(adm_ctx->reply_skb, "requested minor exists already");
- }
goto out_no_minor_idr;
}
kref_get(&device->kref);

id = idr_alloc(&resource->devices, device, vnr, vnr + 1, GFP_KERNEL);
if (id < 0) {
- if (id == -ENOSPC) {
+ if (id == -ENOSPC)
err = ERR_MINOR_OR_VOLUME_EXISTS;
- drbd_msg_put_info(adm_ctx->reply_skb, "requested minor exists already");
- }
goto out_idr_remove_minor;
}
kref_get(&device->kref);
@@ -2825,10 +2817,8 @@ enum drbd_ret_code drbd_create_device(struct drbd_config_context *adm_ctx, unsig

id = idr_alloc(&connection->peer_devices, peer_device, vnr, vnr + 1, GFP_KERNEL);
if (id < 0) {
- if (id == -ENOSPC) {
+ if (id == -ENOSPC)
err = ERR_INVALID_REQUEST;
- drbd_msg_put_info(adm_ctx->reply_skb, "requested volume exists already");
- }
goto out_idr_remove_from_resource;
}
kref_get(&connection->kref);
@@ -2836,7 +2826,6 @@ enum drbd_ret_code drbd_create_device(struct drbd_config_context *adm_ctx, unsig

if (init_submitter(device)) {
err = ERR_NOMEM;
- drbd_msg_put_info(adm_ctx->reply_skb, "unable to create submit workqueue");
goto out_idr_remove_vol;
}

diff --git a/drivers/block/drbd/drbd_nl.c b/drivers/block/drbd/drbd_nl.c
index c145619..4782d07 100644
--- a/drivers/block/drbd/drbd_nl.c
+++ b/drivers/block/drbd/drbd_nl.c
@@ -92,7 +92,7 @@ static void drbd_adm_send_reply(struct sk_buff *skb, struct genl_info *info)

/* Used on a fresh "drbd_adm_prepare"d reply_skb, this cannot fail: The only
* reason it could fail was no space in skb, and there are 4k available. */
-int drbd_msg_put_info(struct sk_buff *skb, const char *info)
+static int drbd_msg_put_info(struct sk_buff *skb, const char *info)
{
struct nlattr *nla;
int err = -EMSGSIZE;
--
1.9.1


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