btrfs: Remove delayed_iput member from btrfs_delalloc_work

When allocating a delalloc work we are always setting the delayed_iput
to 0. So remove the delay_iput member of btrfs_delalloc_work, as a
result also remove it as a parameter from btrfs_alloc_delalloc_work
since it's not used anymore.

Signed-off-by: Nikolay Borisov <nborisov@suse.com>
Reviewed-by: Qu Wenruo <wqu@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>

fs/btrfs/ctree.h

@@ -3169,14 +3169,12 @@ void btrfs_extent_item_to_extent_map(struct btrfs_inode *inode,
 /* inode.c */
 struct btrfs_delalloc_work {
 	struct inode *inode;
-	int delay_iput;
 	struct completion completion;
 	struct list_head list;
 	struct btrfs_work work;
 };
 
-struct btrfs_delalloc_work *btrfs_alloc_delalloc_work(struct inode *inode,
-						    int delay_iput);
+struct btrfs_delalloc_work *btrfs_alloc_delalloc_work(struct inode *inode);
 
 struct extent_map *btrfs_get_extent_fiemap(struct btrfs_inode *inode,
 		struct page *page, size_t pg_offset, u64 start,

fs/btrfs/inode.c

@@ -10159,15 +10159,11 @@ static void btrfs_run_delalloc_work(struct btrfs_work *work)
 				&BTRFS_I(inode)->runtime_flags))
 		filemap_flush(inode->i_mapping);
 
-	if (delalloc_work->delay_iput)
-		btrfs_add_delayed_iput(inode);
-	else
-		iput(inode);
+	iput(inode);
 	complete(&delalloc_work->completion);
 }
 
-struct btrfs_delalloc_work *btrfs_alloc_delalloc_work(struct inode *inode,
-						    int delay_iput)
+struct btrfs_delalloc_work *btrfs_alloc_delalloc_work(struct inode *inode)
 {
 	struct btrfs_delalloc_work *work;
 
@@ -10178,7 +10174,6 @@ struct btrfs_delalloc_work *btrfs_alloc_delalloc_work(struct inode *inode,
 	init_completion(&work->completion);
 	INIT_LIST_HEAD(&work->list);
 	work->inode = inode;
-	work->delay_iput = delay_iput;
 	WARN_ON_ONCE(!inode);
 	btrfs_init_work(&work->work, btrfs_flush_delalloc_helper,
 			btrfs_run_delalloc_work, NULL, NULL);
@@ -10218,7 +10213,7 @@ static int start_delalloc_inodes(struct btrfs_root *root, int nr)
 		}
 		spin_unlock(&root->delalloc_lock);
 
-		work = btrfs_alloc_delalloc_work(inode, 0);
+		work = btrfs_alloc_delalloc_work(inode);
 		if (!work) {
 			iput(inode);
 			ret = -ENOMEM;