diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h
index 60bd310..231b132 100644
--- a/fs/ext4/ext4.h
+++ b/fs/ext4/ext4.h
@@ -490,6 +490,7 @@ struct ext4_new_group_data {
 #define EXT4_FREE_BLOCKS_METADATA	0x0001
 #define EXT4_FREE_BLOCKS_FORGET		0x0002
 #define EXT4_FREE_BLOCKS_VALIDATED	0x0004
+#define EXT4_FREE_BLOCKS_RESERVED	0x0008
 
 /*
  * ioctl commands
diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c
index 377309c..e3cc230 100644
--- a/fs/ext4/extents.c
+++ b/fs/ext4/extents.c
@@ -1057,11 +1057,15 @@ cleanup:
 
 	if (err) {
 		/* free all allocated blocks in error case */
+		int fb_flags = EXT4_FREE_BLOCKS_METADATA;
+		if (EXT4_I(inode)->i_delalloc_reserved_flag)
+			fb_flags |= EXT4_FREE_BLOCKS_RESERVED;
+
 		for (i = 0; i < depth; i++) {
 			if (!ablocks[i])
 				continue;
 			ext4_free_blocks(handle, inode, 0, ablocks[i], 1,
-					 EXT4_FREE_BLOCKS_METADATA);
+					 fb_flags);
 		}
 	}
 	kfree(ablocks);
@@ -3528,12 +3532,16 @@ int ext4_ext_map_blocks(handle_t *handle, struct inode *inode,
 	}
 	err = ext4_ext_insert_extent(handle, inode, path, &newex, flags);
 	if (err) {
-		/* free data blocks we just allocated */
-		/* not a good idea to call discard here directly,
-		 * but otherwise we'd need to call it every free() */
+		int fb_flags = 0;
+		/* free data blocks we just allocated
+		 * Not a good idea to call discard here directly,
+		 * but otherwise we'd need to call it every free().
+		 * On delalloc blocks are not yet accounted to quota */
+		if (EXT4_I(inode)->i_delalloc_reserved_flag)
+			fb_flags = EXT4_FREE_BLOCKS_RESERVED;
 		ext4_discard_preallocations(inode);
 		ext4_free_blocks(handle, inode, 0, ext_pblock(&newex),
-				 ext4_ext_get_actual_len(&newex), 0);
+				 ext4_ext_get_actual_len(&newex), fb_flags);
 		goto out2;
 	}
 
diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c
index 502b07d..c3b4443 100644
--- a/fs/ext4/inode.c
+++ b/fs/ext4/inode.c
@@ -591,7 +591,9 @@ static int ext4_alloc_blocks(handle_t *handle, struct inode *inode,
 	int index = 0;
 	ext4_fsblk_t current_block = 0;
 	int ret = 0;
-
+	int fb_flags = EXT4_FREE_BLOCKS_METADATA;
+	if (EXT4_I(inode)->i_delalloc_reserved_flag)
+		fb_flags |= EXT4_FREE_BLOCKS_RESERVED;
 	/*
 	 * Here we try to allocate the requested multiple blocks at once,
 	 * on a best-effort basis.
@@ -686,7 +688,7 @@ allocated:
 	return ret;
 failed_out:
 	for (i = 0; i < index; i++)
-		ext4_free_blocks(handle, inode, 0, new_blocks[i], 1, 0);
+		ext4_free_blocks(handle, inode, 0, new_blocks[i], 1, fb_flags);
 	return ret;
 }
 
@@ -727,6 +729,9 @@ static int ext4_alloc_branch(handle_t *handle, struct inode *inode,
 	int num;
 	ext4_fsblk_t new_blocks[4];
 	ext4_fsblk_t current_block;
+	int fb_flags = 0;
+	if (EXT4_I(inode)->i_delalloc_reserved_flag)
+		fb_flags |= EXT4_FREE_BLOCKS_RESERVED;
 
 	num = ext4_alloc_blocks(handle, inode, iblock, goal, indirect_blks,
 				*blks, new_blocks, &err);
@@ -782,24 +787,20 @@ static int ext4_alloc_branch(handle_t *handle, struct inode *inode,
 	return err;
 failed:
 	/* Allocation failed, free what we already allocated */
-	ext4_free_blocks(handle, inode, 0, new_blocks[0], 1, 0);
+	ext4_free_blocks(handle, inode, 0, new_blocks[0], 1, fb_flags);
 	for (i = 1; i <= n ; i++) {
-		/*
-		 * branch[i].bh is newly allocated, so there is no
-		 * need to revoke the block, which is why we don't
-		 * need to set EXT4_FREE_BLOCKS_METADATA.
-		 */
 		ext4_free_blocks(handle, inode, 0, new_blocks[i], 1,
-				 EXT4_FREE_BLOCKS_FORGET);
+				fb_flags | EXT4_FREE_BLOCKS_METADATA |
+				EXT4_FREE_BLOCKS_FORGET);
 	}
 	for (i = n+1; i < indirect_blks; i++)
-		ext4_free_blocks(handle, inode, 0, new_blocks[i], 1, 0);
+		ext4_free_blocks(handle, inode, 0, new_blocks[i], 1,
+				fb_flags | EXT4_FREE_BLOCKS_METADATA);
 
-	ext4_free_blocks(handle, inode, 0, new_blocks[i], num, 0);
+	ext4_free_blocks(handle, inode, 0, new_blocks[i], num, fb_flags);
 
 	return err;
 }
-
 /**
  * ext4_splice_branch - splice the allocated branch onto inode.
  * @inode: owner
@@ -821,6 +822,9 @@ static int ext4_splice_branch(handle_t *handle, struct inode *inode,
 	int i;
 	int err = 0;
 	ext4_fsblk_t current_block;
+	int fb_flags = 0;
+	if (EXT4_I(inode)->i_delalloc_reserved_flag)
+		fb_flags |= EXT4_FREE_BLOCKS_RESERVED;
 
 	/*
 	 * If we're splicing into a [td]indirect block (as opposed to the
@@ -872,22 +876,18 @@ static int ext4_splice_branch(handle_t *handle, struct inode *inode,
 	}
 	return err;
 
+
 err_out:
 	for (i = 1; i <= num; i++) {
-		/*
-		 * branch[i].bh is newly allocated, so there is no
-		 * need to revoke the block, which is why we don't
-		 * need to set EXT4_FREE_BLOCKS_METADATA.
-		 */
 		ext4_free_blocks(handle, inode, where[i].bh, 0, 1,
-				 EXT4_FREE_BLOCKS_FORGET);
+				fb_flags | EXT4_FREE_BLOCKS_METADATA |
+				EXT4_FREE_BLOCKS_FORGET);
 	}
 	ext4_free_blocks(handle, inode, 0, le32_to_cpu(where[num].key),
-			 blks, 0);
+			 blks, fb_flags);
 
 	return err;
 }
-
 /*
  * The ext4_ind_map_blocks() function handles non-extents inodes
  * (i.e., using the traditional indirect/double-indirect i_blocks
diff --git a/fs/ext4/mballoc.c b/fs/ext4/mballoc.c
index 12b3bc0..c87243b 100644
--- a/fs/ext4/mballoc.c
+++ b/fs/ext4/mballoc.c
@@ -4503,6 +4503,8 @@ void ext4_free_blocks(handle_t *handle, struct inode *inode,
 	struct ext4_sb_info *sbi;
 	struct ext4_buddy e4b;
 	int err = 0;
+	int res_fl = flags & (EXT4_FREE_BLOCKS_RESERVED |
+				EXT4_FREE_BLOCKS_METADATA);
 	int ret;
 
 	if (bh) {
@@ -4682,11 +4684,46 @@ do_more:
 	}
 	sb->s_dirt = 1;
 error_return:
-	if (freed)
-		dquot_free_block(inode, freed);
+	/*  Update quotas */
+	if (freed) {
+		if (!(res_fl & EXT4_FREE_BLOCKS_RESERVED)) {
+			dquot_free_block(inode, freed);
+			goto out;
+		}
+		/* Blocks reserved case */
+		if (res_fl & EXT4_FREE_BLOCKS_METADATA) {
+			/*
+			 * Meta data blocks was charged to quota and to
+			 * inode's mblock alloc counter in
+			 * ext4_new_meta_blocks(). */
+			spin_lock(&EXT4_I(inode)->i_block_reservation_lock);
+			if (EXT4_I(inode)->i_allocated_meta_blocks <
+				freed)
+				goto rsv_error;
+			EXT4_I(inode)->i_allocated_meta_blocks -= freed;
+			spin_unlock(&EXT4_I(inode)->i_block_reservation_lock);
+			dquot_free_block(inode, freed);
+		} else {
+			/* Data blocks allocated was reserved, but not yet
+			 * claimed to quota. Caller is responsibleo for
+			 * quota reservation update. */
+		}
+	}
+out:
 	brelse(bitmap_bh);
 	ext4_std_error(sb, err);
 	if (ac)
 		kmem_cache_free(ext4_ac_cachep, ac);
 	return;
+
+rsv_error:
+	ext4_msg(sb, KERN_ERR," inode %ld, reservation counters goes"
+		" inconsistent rsv_data=%u, rsv_mdata=%u, alloc_mblk=%u"
+		" freed=%lu", inode->i_ino,
+		EXT4_I(inode)->i_reserved_data_blocks,
+		EXT4_I(inode)->i_reserved_meta_blocks,
+		EXT4_I(inode)->i_allocated_meta_blocks, freed);
+	EXT4_I(inode)->i_allocated_meta_blocks = 0;
+	spin_unlock(&EXT4_I(inode)->i_block_reservation_lock);
+	goto out;
 }