[Ocfs2-commits] smushran commits r3033 -
branches/ocfs2-1.2.5/fs/ocfs2/cluster
svn-commits at oss.oracle.com
svn-commits at oss.oracle.com
Tue Jul 3 14:46:11 PDT 2007
Author: smushran
Date: 2007-07-03 14:46:11 -0700 (Tue, 03 Jul 2007)
New Revision: 3033
Modified:
branches/ocfs2-1.2.5/fs/ocfs2/cluster/tcp.c
Log:
ocfs2: Retry sendpage() if it returns EAGAIN
Instead of treating EAGAIN, returned from sendpage(), as an error, this patch
retries the operation.
Signed-off-by: mfasheh
Modified: branches/ocfs2-1.2.5/fs/ocfs2/cluster/tcp.c
===================================================================
--- branches/ocfs2-1.2.5/fs/ocfs2/cluster/tcp.c 2007-06-28 20:47:57 UTC (rev 3032)
+++ branches/ocfs2-1.2.5/fs/ocfs2/cluster/tcp.c 2007-07-03 21:46:11 UTC (rev 3033)
@@ -858,12 +858,19 @@
struct o2net_node *nn = o2net_nn_from_num(sc->sc_node->nd_num);
ssize_t ret;
-
- ret = sc->sc_sock->ops->sendpage(sc->sc_sock,
- virt_to_page(kmalloced_virt),
- (long)kmalloced_virt & ~PAGE_MASK,
- size, MSG_DONTWAIT);
- if (ret != size) {
+ while (1) {
+ ret = sc->sc_sock->ops->sendpage(sc->sc_sock,
+ virt_to_page(kmalloced_virt),
+ (long)kmalloced_virt & ~PAGE_MASK,
+ size, MSG_DONTWAIT);
+ if (ret == size)
+ break;
+ if (ret == (ssize_t)-EAGAIN) {
+ mlog(0, "sendpage of size %zu to " SC_NODEF_FMT
+ " returned EAGAIN\n", size, SC_NODEF_ARGS(sc));
+ cond_resched();
+ continue;
+ }
mlog(ML_ERROR, "sendpage of size %zu to " SC_NODEF_FMT
" failed with %zd\n", size, SC_NODEF_ARGS(sc), ret);
o2net_ensure_shutdown(nn, sc, 0);
More information about the Ocfs2-commits
mailing list