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-rw-r--r--fs/btrfs/ioctl.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c
index 952172ca7e45..93e7832d1d1b 100644
--- a/fs/btrfs/ioctl.c
+++ b/fs/btrfs/ioctl.c
@@ -3814,8 +3814,9 @@ static noinline int btrfs_clone_files(struct file *file, struct file *file_src,
* Truncate page cache pages so that future reads will see the cloned
* data immediately and not the previous data.
*/
- truncate_inode_pages_range(&inode->i_data, destoff,
- PAGE_CACHE_ALIGN(destoff + len) - 1);
+ truncate_inode_pages_range(&inode->i_data,
+ round_down(destoff, PAGE_CACHE_SIZE),
+ round_up(destoff + len, PAGE_CACHE_SIZE) - 1);
out_unlock:
if (!same_inode)
btrfs_double_inode_unlock(src, inode);