diff mbox series

[v3,1/2] bonding: export devnet_rename_sem

Message ID 20231119092530.13071-1-haifeng.xu@shopee.com
State New
Headers
Series [v3,1/2] bonding: export devnet_rename_sem |

Commit Message

Haifeng Xu Nov. 19, 2023, 9:25 a.m. UTC 
  This patch exports devnet_rename_sem variable, so it can be accessed in the
bonding modulde, not only being limited in net/core/dev.c.

Signed-off-by: Haifeng Xu <haifeng.xu@shopee.com>
Suggested-by: Eric Dumazet <edumazet@google.com>
---
 include/net/bonding.h | 3 +++
 net/core/dev.c        | 3 ++-
 2 files changed, 5 insertions(+), 1 deletion(-)

Comments

Eric Dumazet Nov. 20, 2023, 9:57 a.m. UTC | #1 
On Sun, Nov 19, 2023 at 10:25 AM Haifeng Xu <haifeng.xu@shopee.com> wrote:
>
> This patch exports devnet_rename_sem variable, so it can be accessed in the
> bonding modulde, not only being limited in net/core/dev.c.
>
> Signed-off-by: Haifeng Xu <haifeng.xu@shopee.com>
> Suggested-by: Eric Dumazet <edumazet@google.com>
> ---
>  include/net/bonding.h | 3 +++
>  net/core/dev.c        | 3 ++-
>  2 files changed, 5 insertions(+), 1 deletion(-)
>
> diff --git a/include/net/bonding.h b/include/net/bonding.h
> index 5b8b1b644a2d..6c16d778b615 100644
> --- a/include/net/bonding.h
> +++ b/include/net/bonding.h
> @@ -780,6 +780,9 @@ extern const struct sysfs_ops slave_sysfs_ops;
>  /* exported from bond_3ad.c */
>  extern const u8 lacpdu_mcast_addr[];
>
> +/* exported from net/core/dev.c */
> +extern struct rw_semaphore devnet_rename_sem;

This probably belongs to include/linux/netdevice.h

Reviewed-by: Eric Dumazet <edumazet@google.com>
diff mbox series

Patch

diff --git a/include/net/bonding.h b/include/net/bonding.h
index 5b8b1b644a2d..6c16d778b615 100644
--- a/include/net/bonding.h
+++ b/include/net/bonding.h
@@ -780,6 +780,9 @@  extern const struct sysfs_ops slave_sysfs_ops;
 /* exported from bond_3ad.c */
 extern const u8 lacpdu_mcast_addr[];
 
+/* exported from net/core/dev.c */
+extern struct rw_semaphore devnet_rename_sem;
+
 static inline netdev_tx_t bond_tx_drop(struct net_device *dev, struct sk_buff *skb)
 {
 	dev_core_stats_tx_dropped_inc(dev);
diff --git a/net/core/dev.c b/net/core/dev.c
index af53f6d838ce..fdafab617227 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -197,7 +197,8 @@  static DEFINE_SPINLOCK(napi_hash_lock);
 static unsigned int napi_gen_id = NR_CPUS;
 static DEFINE_READ_MOSTLY_HASHTABLE(napi_hash, 8);
 
-static DECLARE_RWSEM(devnet_rename_sem);
+DECLARE_RWSEM(devnet_rename_sem);
+EXPORT_SYMBOL(devnet_rename_sem);
 
 static inline void dev_base_seq_inc(struct net *net)
 {