From b4b7ff4b08e691656c9d77c758fc355833128ac0 Mon Sep 17 00:00:00 2001
From: André Fabian Silva Delgado <emulatorman@parabola.nu>
Date: Wed, 20 Jan 2016 14:01:31 -0300
Subject: Linux-libre 4.4-gnu

---
 fs/btrfs/ioctl.c | 23 +++++++++++++----------
 1 file changed, 13 insertions(+), 10 deletions(-)

(limited to 'fs/btrfs/ioctl.c')

diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c
index 6548a3682..da94138eb 100644
--- a/fs/btrfs/ioctl.c
+++ b/fs/btrfs/ioctl.c
@@ -1120,7 +1120,8 @@ static int cluster_pages_for_defrag(struct inode *inode,
 	page_cnt = min_t(u64, (u64)num_pages, (u64)file_end - start_index + 1);
 
 	ret = btrfs_delalloc_reserve_space(inode,
-					   page_cnt << PAGE_CACHE_SHIFT);
+			start_index << PAGE_CACHE_SHIFT,
+			page_cnt << PAGE_CACHE_SHIFT);
 	if (ret)
 		return ret;
 	i_done = 0;
@@ -1210,7 +1211,8 @@ again:
 		BTRFS_I(inode)->outstanding_extents++;
 		spin_unlock(&BTRFS_I(inode)->lock);
 		btrfs_delalloc_release_space(inode,
-				     (page_cnt - i_done) << PAGE_CACHE_SHIFT);
+				start_index << PAGE_CACHE_SHIFT,
+				(page_cnt - i_done) << PAGE_CACHE_SHIFT);
 	}
 
 
@@ -1235,7 +1237,9 @@ out:
 		unlock_page(pages[i]);
 		page_cache_release(pages[i]);
 	}
-	btrfs_delalloc_release_space(inode, page_cnt << PAGE_CACHE_SHIFT);
+	btrfs_delalloc_release_space(inode,
+			start_index << PAGE_CACHE_SHIFT,
+			page_cnt << PAGE_CACHE_SHIFT);
 	return ret;
 
 }
@@ -1342,7 +1346,7 @@ int btrfs_defrag_file(struct inode *inode, struct file *file,
 			break;
 
 		if (btrfs_defrag_cancelled(root->fs_info)) {
-			printk(KERN_DEBUG "BTRFS: defrag_file cancelled\n");
+			btrfs_debug(root->fs_info, "defrag_file cancelled");
 			ret = -EAGAIN;
 			break;
 		}
@@ -1579,7 +1583,7 @@ static noinline int btrfs_ioctl_resize(struct file *file,
 	new_size = div_u64(new_size, root->sectorsize);
 	new_size *= root->sectorsize;
 
-	printk_in_rcu(KERN_INFO "BTRFS: new size for %s is %llu\n",
+	btrfs_info_in_rcu(root->fs_info, "new size for %s is %llu",
 		      rcu_str_deref(device->name), new_size);
 
 	if (new_size > old_size) {
@@ -2081,7 +2085,7 @@ static noinline int search_ioctl(struct inode *inode,
 		key.offset = (u64)-1;
 		root = btrfs_read_fs_root_no_name(info, &key);
 		if (IS_ERR(root)) {
-			printk(KERN_ERR "BTRFS: could not find root %llu\n",
+			btrfs_err(info, "could not find root %llu",
 			       sk->tree_id);
 			btrfs_free_path(path);
 			return -ENOENT;
@@ -2221,7 +2225,7 @@ static noinline int btrfs_search_path_in_tree(struct btrfs_fs_info *info,
 	key.offset = (u64)-1;
 	root = btrfs_read_fs_root_no_name(info, &key);
 	if (IS_ERR(root)) {
-		printk(KERN_ERR "BTRFS: could not find root %llu\n", tree_id);
+		btrfs_err(info, "could not find root %llu", tree_id);
 		ret = -ENOENT;
 		goto out;
 	}
@@ -2699,7 +2703,6 @@ static long btrfs_ioctl_fs_info(struct btrfs_root *root, void __user *arg)
 {
 	struct btrfs_ioctl_fs_info_args *fi_args;
 	struct btrfs_device *device;
-	struct btrfs_device *next;
 	struct btrfs_fs_devices *fs_devices = root->fs_info->fs_devices;
 	int ret = 0;
 
@@ -2711,7 +2714,7 @@ static long btrfs_ioctl_fs_info(struct btrfs_root *root, void __user *arg)
 	fi_args->num_devices = fs_devices->num_devices;
 	memcpy(&fi_args->fsid, root->fs_info->fsid, sizeof(fi_args->fsid));
 
-	list_for_each_entry_safe(device, next, &fs_devices->devices, dev_list) {
+	list_for_each_entry(device, &fs_devices->devices, dev_list) {
 		if (device->devid > fi_args->max_id)
 			fi_args->max_id = device->devid;
 	}
@@ -4863,7 +4866,7 @@ static long btrfs_ioctl_qgroup_assign(struct file *file, void __user *arg)
 	/* update qgroup status and info */
 	err = btrfs_run_qgroups(trans, root->fs_info);
 	if (err < 0)
-		btrfs_error(root->fs_info, ret,
+		btrfs_std_error(root->fs_info, ret,
 			    "failed to update qgroup status and info\n");
 	err = btrfs_end_transaction(trans, root);
 	if (err && !ret)
-- 
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