---

yaml
---
r: 360443
b: refs/heads/master
c: 5d80366
h: refs/heads/master
i:
  360441: a0f0edd
  360439: c8c423e
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 8696c53304f16fde9368b9d5c89a5acb4a815d4c
+refs/heads/master: 5d80366e9b5e56b3ffc1923b4995e83bbbf605e3

trunk/fs/btrfs/ctree.h

@@ -1237,6 +1237,11 @@ struct seq_list {
 	u64 seq;
 };
 
+enum btrfs_orphan_cleanup_state {
+	ORPHAN_CLEANUP_STARTED	= 1,
+	ORPHAN_CLEANUP_DONE	= 2,
+};
+
 /* fs_info */
 struct reloc_control;
 struct btrfs_device;

trunk/fs/btrfs/extent-tree.c

@@ -102,6 +102,8 @@ static void dump_space_info(struct btrfs_space_info *info, u64 bytes,
 			    int dump_block_groups);
 static int btrfs_update_reserved_bytes(struct btrfs_block_group_cache *cache,
 				       u64 num_bytes, int reserve);
+static int block_rsv_use_bytes(struct btrfs_block_rsv *block_rsv,
+			       u64 num_bytes);
 
 static noinline int
 block_group_cache_done(struct btrfs_block_group_cache *cache)
@@ -4099,6 +4101,15 @@ static int reserve_metadata_bytes(struct btrfs_root *root,
 		goto again;
 
 out:
+	if (ret == -ENOSPC &&
+	    unlikely(root->orphan_cleanup_state == ORPHAN_CLEANUP_STARTED)) {
+		struct btrfs_block_rsv *global_rsv =
+			&root->fs_info->global_block_rsv;
+
+		if (block_rsv != global_rsv &&
+		    !block_rsv_use_bytes(global_rsv, orig_bytes))
+			ret = 0;
+	}
 	if (flushing) {
 		spin_lock(&space_info->lock);
 		space_info->flush = 0;

trunk/fs/btrfs/inode.c

@@ -2218,11 +2218,6 @@ void btrfs_run_delayed_iputs(struct btrfs_root *root)
 	}
 }
 
-enum btrfs_orphan_cleanup_state {
-	ORPHAN_CLEANUP_STARTED	= 1,
-	ORPHAN_CLEANUP_DONE	= 2,
-};
-
 /*
  * This is called in transaction commit time. If there are no orphan
  * files in the subvolume, it removes orphan item and frees block_rsv