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[PATCH 07/18] ceph: use ->invalidatepage() length argument

To: linux-mm@xxxxxxxxx
Subject: [PATCH 07/18] ceph: use ->invalidatepage() length argument
From: Lukas Czerner <lczerner@xxxxxxxxxx>
Date: Fri, 1 Feb 2013 11:43:33 +0100
Cc: linux-kernel@xxxxxxxxxxxxxxx, linux-fsdevel@xxxxxxxxxxxxxxx, linux-ext4@xxxxxxxxxxxxxxx, xfs@xxxxxxxxxxx, Lukas Czerner <lczerner@xxxxxxxxxx>
Delivered-to: xfs@xxxxxxxxxxx
In-reply-to: <1359715424-32318-1-git-send-email-lczerner@xxxxxxxxxx>
References: <1359715424-32318-1-git-send-email-lczerner@xxxxxxxxxx>
->invalidatepage() aop now accepts range to invalidate so we can make
use of it in ceph_invalidatepage().

Signed-off-by: Lukas Czerner <lczerner@xxxxxxxxxx>
---
 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 8953532..1e09410 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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