This causes too many commits in shrink_page_list()...
Reported-by: Steve Rago <sar@xxxxxxxxxxxx>
Signed-off-by: Trond Myklebust <Trond.Myklebust@xxxxxxxxxx>
---
fs/nfs/file.c | 7 +++++++
1 files changed, 7 insertions(+), 0 deletions(-)
diff --git a/fs/nfs/file.c b/fs/nfs/file.c
index 63f2071..dcba521 100644
--- a/fs/nfs/file.c
+++ b/fs/nfs/file.c
@@ -486,6 +486,13 @@ static int nfs_release_page(struct page *page, gfp_t gfp)
{
dfprintk(PAGECACHE, "NFS: release_page(%p)\n", page);
+ /* See comment in shrink_page_list(): although the VM may
+ * call this function on a dirty page, we are not expected
+ * to initiate writeback on it.
+ */
+ if (PageDirty(page) || !page->mapping)
+ return 0;
+
if (gfp & __GFP_WAIT)
nfs_wb_page(page->mapping->host, page);
/* If PagePrivate() is set, then the page is not freeable */
--
1.6.6
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