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| author | Chris Mason <chris.mason@oracle.com> | 2010-05-11 15:11:11 -0700 |
|---|---|---|
| committer | Andy Grover <andy.grover@oracle.com> | 2010-09-08 18:15:09 -0700 |
| commit | 7e3f2952eeb1a0fe2aa9882fd1705a88f9d89b35 (patch) | |
| tree | 903d89d0d1184bd1f33df2b5036615d1c40cfb06 /net/rds/ib_recv.c | |
| parent | 38a4e5e61344490f18241333d7b1b368a3a38748 (diff) | |
| download | lwn-7e3f2952eeb1a0fe2aa9882fd1705a88f9d89b35.tar.gz lwn-7e3f2952eeb1a0fe2aa9882fd1705a88f9d89b35.zip | |
rds: don't let RDS shutdown a connection while senders are present
This is the first in a long line of patches that tries to fix races
between RDS connection shutdown and RDS traffic.
Here we are maintaining a count of active senders to make sure
the connection doesn't go away while they are using it.
Signed-off-by: Chris Mason <chris.mason@oracle.com>
Diffstat (limited to 'net/rds/ib_recv.c')
| -rw-r--r-- | net/rds/ib_recv.c | 12 |
1 files changed, 0 insertions, 12 deletions
diff --git a/net/rds/ib_recv.c b/net/rds/ib_recv.c index 8f041f7954a2..24d14615f41a 100644 --- a/net/rds/ib_recv.c +++ b/net/rds/ib_recv.c @@ -863,18 +863,6 @@ int rds_ib_recv(struct rds_connection *conn) int ret = 0; rdsdebug("conn %p\n", conn); - - /* - * If we get a temporary posting failure in this context then - * we're really low and we want the caller to back off for a bit. - */ - mutex_lock(&ic->i_recv_mutex); - if (rds_ib_recv_refill(conn, 0)) - ret = -ENOMEM; - else - rds_ib_stats_inc(s_ib_rx_refill_from_thread); - mutex_unlock(&ic->i_recv_mutex); - if (rds_conn_up(conn)) rds_ib_attempt_ack(ic); |