From: Derrick Brashear <shadow@dementia.org>
Date: Mon, 8 Aug 2005 16:04:38 +0000 (+0000)
Subject: STABLE14-revert-linux-write-dirty-pages-once-20050802
X-Git-Tag: openafs-devel-1_3_87~3
X-Git-Url: https://git.michaelhowe.org/gitweb/?a=commitdiff_plain;h=5a44a9af70f1bbf929234cbdb18b1e1180f0d475;p=packages%2Fo%2Fopenafs.git

STABLE14-revert-linux-write-dirty-pages-once-20050802


this needs to be revisited


(cherry picked from commit 3e9c1b1f1a1b3d33c6af44d1fe79810ad2a3a0f8)
---

diff --git a/src/afs/LINUX/osi_vnodeops.c b/src/afs/LINUX/osi_vnodeops.c
index 67e2621a2..6f2166001 100644
--- a/src/afs/LINUX/osi_vnodeops.c
+++ b/src/afs/LINUX/osi_vnodeops.c
@@ -1376,6 +1376,16 @@ afs_linux_writepage_sync(struct inode *ip, struct page *pp,
     ip->i_size = vcp->m.Length;
     ip->i_blocks = ((vcp->m.Length + 1023) >> 10) << 1;
 
+    if (!code
+	&& afs_stats_cmperf.cacheCurrDirtyChunks >
+	afs_stats_cmperf.cacheMaxDirtyChunks) {
+	struct vrequest treq;
+
+	ObtainWriteLock(&vcp->lock, 533);
+	if (!afs_InitReq(&treq, credp))
+	    code = afs_DoPartialWrite(vcp, &treq);
+	ReleaseWriteLock(&vcp->lock);
+    }
     code = code ? -code : count - tuio.uio_resid;
 
     afs_Trace4(afs_iclSetp, CM_TRACE_UPDATEPAGE, ICL_TYPE_POINTER, vcp,