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tipc: move code for resetting links from bearer.c to link.c

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We break out the code for resetting attached links in the
function tipc_reset_bearer(), and define a new function named
tipc_link_reset_list() to do this job.

This commit incurs no functional changes, but makes the code
of function tipc_reset_bearer() cleaner. It is also a preparation
for a more important change to the bearer code, in a subsequent
commit in this series.

Signed-off-by: Ying Xue <ying.xue@windriver.com>
Reviewed-by: Paul Gortmaker <paul.gortmaker@windriver.com>
Signed-off-by: Jon Maloy <jon.maloy@ericsson.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Ying Xue 2014-02-13 17:29:06 -05:00 committed by David S. Miller
parent 03b9201793
commit e0ca2c30b1
3 changed files with 14 additions and 10 deletions
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11
net/tipc/bearer.c
View File

@ -350,19 +350,10 @@ exit:
*/ */
static int tipc_reset_bearer(struct tipc_bearer *b_ptr) static int tipc_reset_bearer(struct tipc_bearer *b_ptr)
{ {
struct tipc_link *l_ptr;
struct tipc_link *temp_l_ptr;
read_lock_bh(&tipc_net_lock); read_lock_bh(&tipc_net_lock);
pr_info("Resetting bearer <%s>\n", b_ptr->name); pr_info("Resetting bearer <%s>\n", b_ptr->name);
spin_lock_bh(&b_ptr->lock); spin_lock_bh(&b_ptr->lock);
list_for_each_entry_safe(l_ptr, temp_l_ptr, &b_ptr->links, link_list) { tipc_link_reset_list(b_ptr);
struct tipc_node *n_ptr = l_ptr->owner;
spin_lock_bh(&n_ptr->lock);
tipc_link_reset(l_ptr);
spin_unlock_bh(&n_ptr->lock);
}
spin_unlock_bh(&b_ptr->lock); spin_unlock_bh(&b_ptr->lock);
read_unlock_bh(&tipc_net_lock); read_unlock_bh(&tipc_net_lock);
return 0; return 0;

12
net/tipc/link.c
View File

@ -461,6 +461,18 @@ void tipc_link_reset(struct tipc_link *l_ptr)
link_reset_statistics(l_ptr); link_reset_statistics(l_ptr);
} }
void tipc_link_reset_list(struct tipc_bearer *b_ptr)
{
struct tipc_link *l_ptr;
list_for_each_entry(l_ptr, &b_ptr->links, link_list) {
struct tipc_node *n_ptr = l_ptr->owner;
spin_lock_bh(&n_ptr->lock);
tipc_link_reset(l_ptr);
spin_unlock_bh(&n_ptr->lock);
}
}
static void link_activate(struct tipc_link *l_ptr) static void link_activate(struct tipc_link *l_ptr)
{ {

1
net/tipc/link.h
View File

@ -231,6 +231,7 @@ struct sk_buff *tipc_link_cmd_show_stats(const void *req_tlv_area,
struct sk_buff *tipc_link_cmd_reset_stats(const void *req_tlv_area, struct sk_buff *tipc_link_cmd_reset_stats(const void *req_tlv_area,
int req_tlv_space); int req_tlv_space);
void tipc_link_reset(struct tipc_link *l_ptr); void tipc_link_reset(struct tipc_link *l_ptr);
void tipc_link_reset_list(struct tipc_bearer *b_ptr);
int tipc_link_send(struct sk_buff *buf, u32 dest, u32 selector); int tipc_link_send(struct sk_buff *buf, u32 dest, u32 selector);
void tipc_link_send_names(struct list_head *message_list, u32 dest); void tipc_link_send_names(struct list_head *message_list, u32 dest);
int tipc_link_send_buf(struct tipc_link *l_ptr, struct sk_buff *buf); int tipc_link_send_buf(struct tipc_link *l_ptr, struct sk_buff *buf);