diff options
| author | Andreas Gruenbacher | 2011-03-24 21:17:52 +0100 |
|---|---|---|
| committer | Philipp Reisner | 2012-11-08 16:44:54 +0100 |
| commit | 5a87d920f38fcafb790ddd03f0d8d1db56b268a8 (patch) | |
| tree | 2cb73385b53793b89c86cc2dc7184aff625b53f0 /drivers/block/drbd/drbd_main.c | |
| parent | drbd: receive_bitmap(): Use the pre-allocated receive buffer (diff) | |
| download | kernel-qcow2-linux-5a87d920f38fcafb790ddd03f0d8d1db56b268a8.tar.gz kernel-qcow2-linux-5a87d920f38fcafb790ddd03f0d8d1db56b268a8.tar.xz kernel-qcow2-linux-5a87d920f38fcafb790ddd03f0d8d1db56b268a8.zip | |
drbd: Preallocate one page per drbd_socket as a send buffer
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
Diffstat (limited to 'drivers/block/drbd/drbd_main.c')
| -rw-r--r-- | drivers/block/drbd/drbd_main.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/block/drbd/drbd_main.c b/drivers/block/drbd/drbd_main.c index 004a8ce7f1d3..16ec6c3bd7d6 100644 --- a/drivers/block/drbd/drbd_main.c +++ b/drivers/block/drbd/drbd_main.c @@ -800,7 +800,7 @@ int drbd_send_sync_param(struct drbd_conf *mdev) enum drbd_packet cmd = apv >= 89 ? P_SYNC_PARAM89 : P_SYNC_PARAM; - p = &mdev->tconn->data.sbuf.rs_param_95; + p = mdev->tconn->data.sbuf; /* initialize verify_alg and csums_alg */ memset(p->verify_alg, 0, 2 * SHARED_SECRET_MAX); @@ -2277,11 +2277,15 @@ static int drbd_alloc_socket(struct drbd_socket *socket) socket->rbuf = (void *) __get_free_page(GFP_KERNEL); if (!socket->rbuf) return -ENOMEM; + socket->sbuf = (void *) __get_free_page(GFP_KERNEL); + if (!socket->sbuf) + return -ENOMEM; return 0; } static void drbd_free_socket(struct drbd_socket *socket) { + free_page((unsigned long) socket->sbuf); free_page((unsigned long) socket->rbuf); } |