diff options
Diffstat (limited to 'drivers/block/drbd/drbd_main.c')
| -rw-r--r-- | drivers/block/drbd/drbd_main.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/drivers/block/drbd/drbd_main.c b/drivers/block/drbd/drbd_main.c index d4546d038246..7f2afb8115ce 100644 --- a/drivers/block/drbd/drbd_main.c +++ b/drivers/block/drbd/drbd_main.c @@ -1764,6 +1764,24 @@ int drbd_send(struct drbd_tconn *tconn, struct socket *sock, return sent; } +/** + * drbd_send_all - Send an entire buffer + * + * Returns 0 upon success and a negative error value otherwise. + */ +int drbd_send_all(struct drbd_tconn *tconn, struct socket *sock, void *buffer, + size_t size, unsigned msg_flags) +{ + int err; + + err = drbd_send(tconn, sock, buffer, size, msg_flags); + if (err < 0) + return err; + if (err != size) + return -EIO; + return 0; +} + static int drbd_open(struct block_device *bdev, fmode_t mode) { struct drbd_conf *mdev = bdev->bd_disk->private_data; |