diff options
author | Ingo Molnar <mingo@elte.hu> | 2008-12-12 11:59:39 +0100 |
---|---|---|
committer | Ingo Molnar <mingo@elte.hu> | 2008-12-12 11:59:39 +0100 |
commit | fd10902797fc9d6abaf55d9c2e3c6698c90b10c7 (patch) | |
tree | 0bc15b8b967e6f0973387e7c81f5b0dc9ce44e75 /net/unix | |
parent | 5b3eec0c80038c8739ccd465b897a35c0dff1cc4 (diff) | |
parent | 8b1fae4e4200388b64dd88065639413cb3f1051c (diff) |
Merge commit 'v2.6.28-rc8' into x86/irq
Diffstat (limited to 'net/unix')
-rw-r--r-- | net/unix/af_unix.c | 2 | ||||
-rw-r--r-- | net/unix/garbage.c | 13 |
2 files changed, 12 insertions, 3 deletions
diff --git a/net/unix/af_unix.c b/net/unix/af_unix.c index eb90f77bb0e..66d5ac4773a 100644 --- a/net/unix/af_unix.c +++ b/net/unix/af_unix.c @@ -1343,6 +1343,7 @@ static int unix_dgram_sendmsg(struct kiocb *kiocb, struct socket *sock, if (NULL == siocb->scm) siocb->scm = &tmp_scm; + wait_for_unix_gc(); err = scm_send(sock, msg, siocb->scm); if (err < 0) return err; @@ -1493,6 +1494,7 @@ static int unix_stream_sendmsg(struct kiocb *kiocb, struct socket *sock, if (NULL == siocb->scm) siocb->scm = &tmp_scm; + wait_for_unix_gc(); err = scm_send(sock, msg, siocb->scm); if (err < 0) return err; diff --git a/net/unix/garbage.c b/net/unix/garbage.c index 6d4a9a8de5e..abb3ab34cb1 100644 --- a/net/unix/garbage.c +++ b/net/unix/garbage.c @@ -80,6 +80,7 @@ #include <linux/file.h> #include <linux/proc_fs.h> #include <linux/mutex.h> +#include <linux/wait.h> #include <net/sock.h> #include <net/af_unix.h> @@ -91,6 +92,7 @@ static LIST_HEAD(gc_inflight_list); static LIST_HEAD(gc_candidates); static DEFINE_SPINLOCK(unix_gc_lock); +static DECLARE_WAIT_QUEUE_HEAD(unix_gc_wait); unsigned int unix_tot_inflight; @@ -266,12 +268,16 @@ static void inc_inflight_move_tail(struct unix_sock *u) list_move_tail(&u->link, &gc_candidates); } -/* The external entry point: unix_gc() */ +static bool gc_in_progress = false; -void unix_gc(void) +void wait_for_unix_gc(void) { - static bool gc_in_progress = false; + wait_event(unix_gc_wait, gc_in_progress == false); +} +/* The external entry point: unix_gc() */ +void unix_gc(void) +{ struct unix_sock *u; struct unix_sock *next; struct sk_buff_head hitlist; @@ -376,6 +382,7 @@ void unix_gc(void) /* All candidates should have been detached by now. */ BUG_ON(!list_empty(&gc_candidates)); gc_in_progress = false; + wake_up(&unix_gc_wait); out: spin_unlock(&unix_gc_lock); |