diff options
| author | David S. Miller <davem@davemloft.net> | 2008-12-02 19:50:27 -0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2008-12-02 19:50:27 -0800 |
| commit | aa2ba5f1082dc705745899584aac8416d710c056 (patch) | |
| tree | bde0bf4aff036c6bac19a0212194ae1092afb3c9 /net/unix | |
| parent | 68024541e2e5a8f35e281daaa5068a29e2a538a5 (diff) | |
| parent | f6f7b52e2f6149d2ee365717afff315b05720162 (diff) | |
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
Conflicts:
drivers/net/ixgbe/ixgbe_main.c
drivers/net/smc91x.c
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 5aaf23e43f1..92f52abd351 100644 --- a/net/unix/af_unix.c +++ b/net/unix/af_unix.c @@ -1351,6 +1351,7 @@ 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; @@ -1501,6 +1502,7 @@ 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 5a0061d6b9b..19c17e4a0c8 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); |