[PATCH v4 07/20] ceph: use ->invalidatepage() length argument

[Lukas Czerner]

->invalidatepage() aop now accepts range to invalidate so we can make
use of it in ceph_invalidatepage().

Signed-off-by: Lukas Czerner <lczerner@xxxxxxxxxx>
Acked-by: Sage Weil <sage@xxxxxxxxxxx>
Cc: ceph-devel@xxxxxxxxxxxxxxx
---
 fs/ceph/addr.c |   12 ++++++------
 1 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/fs/ceph/addr.c b/fs/ceph/addr.c
index 168a35a..d953afd 100644
--- a/fs/ceph/addr.c
+++ b/fs/ceph/addr.c
@@ -164,20 +164,20 @@ static void ceph_invalidatepage(struct page *page, unsigned int offset,
 	if (!PageDirty(page))
 		pr_err("%p invalidatepage %p page not dirty\n", inode, page);
 
-	if (offset == 0)
+	if (offset == 0 && length == PAGE_CACHE_SIZE)
 		ClearPageChecked(page);
 
 	ci = ceph_inode(inode);
-	if (offset == 0) {
-		dout("%p invalidatepage %p idx %lu full dirty page %u\n",
-		     inode, page, page->index, offset);
+	if (offset == 0 && length == PAGE_CACHE_SIZE) {
+		dout("%p invalidatepage %p idx %lu full dirty page\n",
+		     inode, page, page->index);
 		ceph_put_wrbuffer_cap_refs(ci, 1, snapc);
 		ceph_put_snap_context(snapc);
 		page->private = 0;
 		ClearPagePrivate(page);
 	} else {
-		dout("%p invalidatepage %p idx %lu partial dirty page\n",
-		     inode, page, page->index);
+		dout("%p invalidatepage %p idx %lu partial dirty page %u(%u)\n",
+		     inode, page, page->index, offset, length);
 	}
 }
 
-- 
1.7.7.6

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