[DRBD-user] drbd 7 + xfs + 2.6.7

Lars Ellenberg Lars.Ellenberg at linbit.com
Thu Jul 22 17:59:21 CEST 2004

Note: "permalinks" may not be as permanent as we would like,
direct links of old sources may well be a few messages off.

/ 2004-07-22 18:17:23 +0000
\ Florin Cazacu:
> I did the following tests:
>    I compiled a kernel with high memory support off. The drbd-0.7.0 is 
> clean (i mean i didn't apply the patch for "zero copy network io").
>    I get the errors on the primary when i use xfs. Everything seems to 
> work ok when i use ext3 with blocksize of 1024.
>    Now i'm applying the patch.... i get the same errors when i try to 
> copy something on the drbd partition and the machines are connected.

so please revert that change for now,
and disable all use of drbd_send_page,
like below.


--- drbd_main.c	(revision 1447)
+++ drbd_main.c	(working copy)
@@ -883,6 +883,7 @@
    that we do not reuse our own buffer pages (EEs) to early, therefore
    we have the net_ee list. 
+#if 0
 int _drbd_send_page(drbd_dev *mdev, struct page *page,
 		    int offset, size_t size)
@@ -923,6 +924,16 @@
 		mdev->send_cnt += size>>9;
 	return ok;
+int _drbd_send_page(drbd_dev *mdev, struct page *page,
+                   int offset, size_t size)
+       int ret;
+       ret = drbd_send(mdev, mdev->data.socket, kmap(page) + offset, size, 0);
+       kunmap(page);
+       return ret;
 // Used to send write requests: bh->b_rsector !!
 int drbd_send_dblock(drbd_dev *mdev, drbd_request_t *req)

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