udf: Fix handling of i_blocks

Commit 36350462 removed unused quota support from UDF. As an unfortunate
sideeffect it also removed updates of i_blocks so all files had i_block == 0.
Fix the problem by returning updates of file space back to UDF allocation and
freeing functions.

Signed-off-by: Jan Kara <jack@suse.cz>

fs/udf/balloc.c

@@ -105,7 +105,6 @@ static void udf_add_free_space(struct super_block *sb, u16 partition, u32 cnt)
 }
 
 static void udf_bitmap_free_blocks(struct super_block *sb,
-				   struct inode *inode,
 				   struct udf_bitmap *bitmap,
 				   struct kernel_lb_addr *bloc,
 				   uint32_t offset,
@@ -172,7 +171,6 @@ error_return:
 }
 
 static int udf_bitmap_prealloc_blocks(struct super_block *sb,
-				      struct inode *inode,
 				      struct udf_bitmap *bitmap,
 				      uint16_t partition, uint32_t first_block,
 				      uint32_t block_count)
@@ -223,7 +221,6 @@ out:
 }
 
 static int udf_bitmap_new_block(struct super_block *sb,
-				struct inode *inode,
 				struct udf_bitmap *bitmap, uint16_t partition,
 				uint32_t goal, int *err)
 {
@@ -349,7 +346,6 @@ error_return:
 }
 
 static void udf_table_free_blocks(struct super_block *sb,
-				  struct inode *inode,
 				  struct inode *table,
 				  struct kernel_lb_addr *bloc,
 				  uint32_t offset,
@@ -581,7 +577,6 @@ error_return:
 }
 
 static int udf_table_prealloc_blocks(struct super_block *sb,
-				     struct inode *inode,
 				     struct inode *table, uint16_t partition,
 				     uint32_t first_block, uint32_t block_count)
 {
@@ -643,7 +638,6 @@ static int udf_table_prealloc_blocks(struct super_block *sb,
 }
 
 static int udf_table_new_block(struct super_block *sb,
-			       struct inode *inode,
 			       struct inode *table, uint16_t partition,
 			       uint32_t goal, int *err)
 {
@@ -743,18 +737,23 @@ void udf_free_blocks(struct super_block *sb, struct inode *inode,
 	struct udf_part_map *map = &UDF_SB(sb)->s_partmaps[partition];
 
 	if (map->s_partition_flags & UDF_PART_FLAG_UNALLOC_BITMAP) {
-		udf_bitmap_free_blocks(sb, inode, map->s_uspace.s_bitmap,
+		udf_bitmap_free_blocks(sb, map->s_uspace.s_bitmap,
 				       bloc, offset, count);
 	} else if (map->s_partition_flags & UDF_PART_FLAG_UNALLOC_TABLE) {
-		udf_table_free_blocks(sb, inode, map->s_uspace.s_table,
+		udf_table_free_blocks(sb, map->s_uspace.s_table,
 				      bloc, offset, count);
 	} else if (map->s_partition_flags & UDF_PART_FLAG_FREED_BITMAP) {
-		udf_bitmap_free_blocks(sb, inode, map->s_fspace.s_bitmap,
+		udf_bitmap_free_blocks(sb, map->s_fspace.s_bitmap,
 				       bloc, offset, count);
 	} else if (map->s_partition_flags & UDF_PART_FLAG_FREED_TABLE) {
-		udf_table_free_blocks(sb, inode, map->s_fspace.s_table,
+		udf_table_free_blocks(sb, map->s_fspace.s_table,
 				      bloc, offset, count);
 	}
+
+	if (inode) {
+		inode_sub_bytes(inode,
+				((sector_t)count) << sb->s_blocksize_bits);
+	}
 }
 
 inline int udf_prealloc_blocks(struct super_block *sb,
@@ -763,29 +762,34 @@ inline int udf_prealloc_blocks(struct super_block *sb,
 			       uint32_t block_count)
 {
 	struct udf_part_map *map = &UDF_SB(sb)->s_partmaps[partition];
+	sector_t allocated;
 
 	if (map->s_partition_flags & UDF_PART_FLAG_UNALLOC_BITMAP)
-		return udf_bitmap_prealloc_blocks(sb, inode,
-						  map->s_uspace.s_bitmap,
-						  partition, first_block,
-						  block_count);
+		allocated = udf_bitmap_prealloc_blocks(sb,
+						       map->s_uspace.s_bitmap,
+						       partition, first_block,
+						       block_count);
 	else if (map->s_partition_flags & UDF_PART_FLAG_UNALLOC_TABLE)
-		return udf_table_prealloc_blocks(sb, inode,
-						 map->s_uspace.s_table,
-						 partition, first_block,
-						 block_count);
+		allocated = udf_table_prealloc_blocks(sb,
+						      map->s_uspace.s_table,
+						      partition, first_block,
+						      block_count);
 	else if (map->s_partition_flags & UDF_PART_FLAG_FREED_BITMAP)
-		return udf_bitmap_prealloc_blocks(sb, inode,
-						  map->s_fspace.s_bitmap,
-						  partition, first_block,
-						  block_count);
+		allocated = udf_bitmap_prealloc_blocks(sb,
+						       map->s_fspace.s_bitmap,
+						       partition, first_block,
+						       block_count);
 	else if (map->s_partition_flags & UDF_PART_FLAG_FREED_TABLE)
-		return udf_table_prealloc_blocks(sb, inode,
-						 map->s_fspace.s_table,
-						 partition, first_block,
-						 block_count);
+		allocated = udf_table_prealloc_blocks(sb,
+						      map->s_fspace.s_table,
+						      partition, first_block,
+						      block_count);
 	else
 		return 0;
+
+	if (inode && allocated > 0)
+		inode_add_bytes(inode, allocated << sb->s_blocksize_bits);
+	return allocated;
 }
 
 inline int udf_new_block(struct super_block *sb,
@@ -793,25 +797,29 @@ inline int udf_new_block(struct super_block *sb,
 			 uint16_t partition, uint32_t goal, int *err)
 {
 	struct udf_part_map *map = &UDF_SB(sb)->s_partmaps[partition];
+	int block;
 
 	if (map->s_partition_flags & UDF_PART_FLAG_UNALLOC_BITMAP)
-		return udf_bitmap_new_block(sb, inode,
-					   map->s_uspace.s_bitmap,
-					   partition, goal, err);
+		block = udf_bitmap_new_block(sb,
+					     map->s_uspace.s_bitmap,
+					     partition, goal, err);
 	else if (map->s_partition_flags & UDF_PART_FLAG_UNALLOC_TABLE)
-		return udf_table_new_block(sb, inode,
-					   map->s_uspace.s_table,
-					   partition, goal, err);
-	else if (map->s_partition_flags & UDF_PART_FLAG_FREED_BITMAP)
-		return udf_bitmap_new_block(sb, inode,
-					    map->s_fspace.s_bitmap,
+		block = udf_table_new_block(sb,
+					    map->s_uspace.s_table,
 					    partition, goal, err);
+	else if (map->s_partition_flags & UDF_PART_FLAG_FREED_BITMAP)
+		block = udf_bitmap_new_block(sb,
+					     map->s_fspace.s_bitmap,
+					     partition, goal, err);
 	else if (map->s_partition_flags & UDF_PART_FLAG_FREED_TABLE)
-		return udf_table_new_block(sb, inode,
-					   map->s_fspace.s_table,
-					   partition, goal, err);
+		block = udf_table_new_block(sb,
+					    map->s_fspace.s_table,
+					    partition, goal, err);
 	else {
 		*err = -EIO;
 		return 0;
 	}
+	if (inode && block)
+		inode_add_bytes(inode, sb->s_blocksize);
+	return block;
 }