From d73e5a6c5a2d1a7a6a03f7b2053f641035a23518 Mon Sep 17 00:00:00 2001
From: Sage Weil <sage@newdream.net>
Date: Wed, 10 Aug 2011 18:04:04 +0000
Subject: [PATCH] --- yaml --- r: 263102 b: refs/heads/master c:
 f81c9cdc567cd3160ff9e64868d9a1a7ee226480 h: refs/heads/master v: v3

---
 [refs]                 | 2 +-
 trunk/fs/btrfs/ioctl.c | 4 ++++
 2 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/[refs] b/[refs]
index 040055d7bc3d..e50f25213f90 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 0e588859618be54ec100373f1b86296271ce5307
+refs/heads/master: f81c9cdc567cd3160ff9e64868d9a1a7ee226480
diff --git a/trunk/fs/btrfs/ioctl.c b/trunk/fs/btrfs/ioctl.c
index 2bb08862a4f6..b3d249d6eba7 100644
--- a/trunk/fs/btrfs/ioctl.c
+++ b/trunk/fs/btrfs/ioctl.c
@@ -2244,6 +2244,10 @@ static noinline long btrfs_ioctl_clone(struct file *file, unsigned long srcfd,
 		btrfs_wait_ordered_range(src, off, len);
 	}
 
+	/* truncate page cache pages from target inode range */
+	truncate_inode_pages_range(&inode->i_data, off,
+				   ALIGN(off + len, PAGE_CACHE_SIZE) - 1);
+
 	/* clone data */
 	key.objectid = btrfs_ino(src);
 	key.type = BTRFS_EXTENT_DATA_KEY;