1 files changed, 3 insertions, 17 deletions

diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c
index 1e59ed575cc9..cf54bdfee334 100644
--- a/fs/btrfs/extent-tree.c
+++ b/fs/btrfs/extent-tree.c
@@ -3689,20 +3689,6 @@ static int can_overcommit(struct btrfs_root *root,
         return 0;
 }
 
-static int writeback_inodes_sb_nr_if_idle_safe(struct super_block *sb,
-                                               unsigned long nr_pages,
-                                               enum wb_reason reason)
-{
-        if (!writeback_in_progress(sb->s_bdi) &&
-            down_read_trylock(&sb->s_umount)) {
-                writeback_inodes_sb_nr(sb, nr_pages, reason);
-                up_read(&sb->s_umount);
-                return 1;
-        }
-
-        return 0;
-}
-
 /*
  * shrink metadata reservation for delalloc
  */
@@ -3735,9 +3721,9 @@ static void shrink_delalloc(struct btrfs_root *root, u64 to_reclaim, u64 orig,
         while (delalloc_bytes && loops < 3) {
                 max_reclaim = min(delalloc_bytes, to_reclaim);
                 nr_pages = max_reclaim >> PAGE_CACHE_SHIFT;
-                writeback_inodes_sb_nr_if_idle_safe(root->fs_info->sb,
-                                                    nr_pages,
-                                                    WB_REASON_FS_FREE_SPACE);
+                try_to_writeback_inodes_sb_nr(root->fs_info->sb,
+                                              nr_pages,
+                                              WB_REASON_FS_FREE_SPACE);
 
                 /*
                  * We need to wait for the async pages to actually start before