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| author | Jon Paul Maloy <jon.maloy@ericsson.com> | 2015-11-19 14:30:43 -0500 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2015-11-20 14:06:10 -0500 |
| commit | 2312bf61ae365fdd6b9bfb24558a417859759447 (patch) | |
| tree | 182ac3a58a25951a475c3bc88a32b0e82662201e /net/tipc/node.h | |
| parent | 1d7e1c2595bd20c5274a8e49d89cf0cf483759de (diff) | |
| download | linux-riscv-2312bf61ae365fdd6b9bfb24558a417859759447.tar.gz linux-riscv-2312bf61ae365fdd6b9bfb24558a417859759447.tar.bz2 linux-riscv-2312bf61ae365fdd6b9bfb24558a417859759447.zip | |
tipc: introduce per-link spinlock
As a preparation to allow parallel links to work more independently
from each other we introduce a per-link spinlock, to be stored in the
struct nodes's link entry area. Since the node lock still is a regular
spinlock there is no increase in parallellism at this stage.
Reviewed-by: Ying Xue <ying.xue@windriver.com>
Signed-off-by: Jon Maloy <jon.maloy@ericsson.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/tipc/node.h')
| -rw-r--r-- | net/tipc/node.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/net/tipc/node.h b/net/tipc/node.h index dd79e9742bd6..8784907486c0 100644 --- a/net/tipc/node.h +++ b/net/tipc/node.h @@ -69,6 +69,7 @@ enum { struct tipc_link_entry { struct tipc_link *link; + spinlock_t lock; /* per-link */ u32 mtu; struct sk_buff_head inputq; struct tipc_media_addr maddr; @@ -86,7 +87,7 @@ struct tipc_bclink_entry { * struct tipc_node - TIPC node structure * @addr: network address of node * @ref: reference counter to node object - * @lock: spinlock governing access to structure + * @lock: rwlock governing access to structure * @net: the applicable net namespace * @hash: links to adjacent nodes in unsorted hash chain * @inputq: pointer to input queue containing messages for msg event |