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authorArseniy Krasnov <AVKrasnov@sberdevices.ru>2022-08-19 07:41:35 +0200
committerPaolo Abeni <pabeni@redhat.com>2022-08-23 10:43:12 +0200
commite061aed99855ccef2d64f5bdd66996e19d6cf60b (patch)
tree00f0e1f5c894ffefc07b8a48bd53aff8b2f0c6a2 /net/vmw_vsock
parentvirtio/vsock: check SO_RCVLOWAT before wake up reader (diff)
downloadlinux-e061aed99855ccef2d64f5bdd66996e19d6cf60b.tar.xz
linux-e061aed99855ccef2d64f5bdd66996e19d6cf60b.zip
vmci/vsock: check SO_RCVLOWAT before wake up reader
This adds extra condition to wake up data reader: do it only when number of readable bytes >= SO_RCVLOWAT. Otherwise, there is no sense to kick user, because it will wait until SO_RCVLOWAT bytes will be dequeued. This check is performed in vsock_data_ready(). Signed-off-by: Arseniy Krasnov <AVKrasnov@sberdevices.ru> Reviewed-by: Vishnu Dasa <vdasa@vmware.com> Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Diffstat (limited to 'net/vmw_vsock')
-rw-r--r--net/vmw_vsock/vmci_transport_notify.c2
-rw-r--r--net/vmw_vsock/vmci_transport_notify_qstate.c4
2 files changed, 3 insertions, 3 deletions
diff --git a/net/vmw_vsock/vmci_transport_notify.c b/net/vmw_vsock/vmci_transport_notify.c
index 852097e2b9e6..7c3a7db134b2 100644
--- a/net/vmw_vsock/vmci_transport_notify.c
+++ b/net/vmw_vsock/vmci_transport_notify.c
@@ -307,7 +307,7 @@ vmci_transport_handle_wrote(struct sock *sk,
struct vsock_sock *vsk = vsock_sk(sk);
PKT_FIELD(vsk, sent_waiting_read) = false;
#endif
- sk->sk_data_ready(sk);
+ vsock_data_ready(sk);
}
static void vmci_transport_notify_pkt_socket_init(struct sock *sk)
diff --git a/net/vmw_vsock/vmci_transport_notify_qstate.c b/net/vmw_vsock/vmci_transport_notify_qstate.c
index 12f0cb8fe998..e96a88d850a8 100644
--- a/net/vmw_vsock/vmci_transport_notify_qstate.c
+++ b/net/vmw_vsock/vmci_transport_notify_qstate.c
@@ -84,7 +84,7 @@ vmci_transport_handle_wrote(struct sock *sk,
bool bottom_half,
struct sockaddr_vm *dst, struct sockaddr_vm *src)
{
- sk->sk_data_ready(sk);
+ vsock_data_ready(sk);
}
static void vsock_block_update_write_window(struct sock *sk)
@@ -282,7 +282,7 @@ vmci_transport_notify_pkt_recv_post_dequeue(
/* See the comment in
* vmci_transport_notify_pkt_send_post_enqueue().
*/
- sk->sk_data_ready(sk);
+ vsock_data_ready(sk);
}
return err;