loff1            3224 fs/btrfs/ioctl.c static void btrfs_double_extent_unlock(struct inode *inode1, u64 loff1,
loff1            3227 fs/btrfs/ioctl.c 	unlock_extent(&BTRFS_I(inode1)->io_tree, loff1, loff1 + len - 1);
loff1            3231 fs/btrfs/ioctl.c static void btrfs_double_extent_lock(struct inode *inode1, u64 loff1,
loff1            3236 fs/btrfs/ioctl.c 		swap(loff1, loff2);
loff1            3237 fs/btrfs/ioctl.c 	} else if (inode1 == inode2 && loff2 < loff1) {
loff1            3238 fs/btrfs/ioctl.c 		swap(loff1, loff2);
loff1            3240 fs/btrfs/ioctl.c 	lock_extent(&BTRFS_I(inode1)->io_tree, loff1, loff1 + len - 1);