diff options
Diffstat (limited to 'include/linux/tcp.h')
-rw-r--r-- | include/linux/tcp.h | 17 |
1 files changed, 1 insertions, 16 deletions
diff --git a/include/linux/tcp.h b/include/linux/tcp.h index fb54292a15aa..97a7c9e03df5 100644 --- a/include/linux/tcp.h +++ b/include/linux/tcp.h | |||
@@ -379,22 +379,7 @@ struct tcp_sock { | |||
379 | 379 | ||
380 | __u32 total_retrans; /* Total retransmits for entire connection */ | 380 | __u32 total_retrans; /* Total retransmits for entire connection */ |
381 | 381 | ||
382 | /* The syn_wait_lock is necessary only to avoid proc interface having | 382 | struct request_sock_queue accept_queue; /* FIFO of established children */ |
383 | * to grab the main lock sock while browsing the listening hash | ||
384 | * (otherwise it's deadlock prone). | ||
385 | * This lock is acquired in read mode only from listening_get_next() | ||
386 | * and it's acquired in write mode _only_ from code that is actively | ||
387 | * changing the syn_wait_queue. All readers that are holding | ||
388 | * the master sock lock don't need to grab this lock in read mode | ||
389 | * too as the syn_wait_queue writes are always protected from | ||
390 | * the main sock lock. | ||
391 | */ | ||
392 | rwlock_t syn_wait_lock; | ||
393 | struct tcp_listen_opt *listen_opt; | ||
394 | |||
395 | /* FIFO of established children */ | ||
396 | struct request_sock *accept_queue; | ||
397 | struct request_sock *accept_queue_tail; | ||
398 | 383 | ||
399 | unsigned int keepalive_time; /* time before keep alive takes place */ | 384 | unsigned int keepalive_time; /* time before keep alive takes place */ |
400 | unsigned int keepalive_intvl; /* time interval between keep alive probes */ | 385 | unsigned int keepalive_intvl; /* time interval between keep alive probes */ |