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Btrfs: fix delalloc checks in clone ioctl

Message ID 812cd3a0ede2021247239945ffeb49e2fa421f22.1284763172.git.yehuda@hq.newdream.net
State New, archived
Headers show

Commit Message

Yehuda Sadeh Sept. 17, 2010, 10:42 p.m. UTC
None
diff mbox

Patch

diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c
index 9254b3d..e09d6f0 100644
--- a/fs/btrfs/ioctl.c
+++ b/fs/btrfs/ioctl.c
@@ -1530,13 +1530,15 @@  static noinline long btrfs_ioctl_clone(struct file *file, unsigned long srcfd,
 	while (1) {
 		struct btrfs_ordered_extent *ordered;
 		lock_extent(&BTRFS_I(src)->io_tree, off, off+len, GFP_NOFS);
-		ordered = btrfs_lookup_first_ordered_extent(inode, off+len);
-		if (BTRFS_I(src)->delalloc_bytes == 0 && !ordered)
+		ordered = btrfs_lookup_first_ordered_extent(src, off+len);
+		if (!ordered &&
+		    test_range_bit(&BTRFS_I(src)->io_tree, off, off+len,
+				   EXTENT_DELALLOC, 0, NULL))
 			break;
 		unlock_extent(&BTRFS_I(src)->io_tree, off, off+len, GFP_NOFS);
 		if (ordered)
 			btrfs_put_ordered_extent(ordered);
-		btrfs_wait_ordered_range(src, off, off+len);
+		btrfs_wait_ordered_range(src, off, len);
 	}
 
 	/* clone data */