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From: Aditya Sarawgi <truncs@FreeBSD.org>
To: Perforce Change Reviews <perforce@FreeBSD.org>
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Subject: PERFORCE change 164263 for review
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http://perforce.freebsd.org/chv.cgi?CH=164263

Change 164263 by truncs@aditya on 2009/06/13 12:46:57

	Block group descriptor from NetBSD.

Affected files ...

.. //depot/projects/soc2009/soc_ext2fs/src/sys/gnu/fs/ext2fs/ext2_fs.h#16 edit

Differences ...

==== //depot/projects/soc2009/soc_ext2fs/src/sys/gnu/fs/ext2fs/ext2_fs.h#16 (text+ko) ====

@@ -196,19 +196,17 @@
 					/* same inode or on next free entry */
 };
 
-/*
- * Structure of a blocks group descriptor
- */
-struct ext2_group_desc
-{
-	__u32	bg_block_bitmap;		/* Blocks bitmap block */
-	__u32	bg_inode_bitmap;		/* Inodes bitmap block */
-	__u32	bg_inode_table;		/* Inodes table block */
-	__u16	bg_free_blocks_count;	/* Free blocks count */
-	__u16	bg_free_inodes_count;	/* Free inodes count */
-	__u16	bg_used_dirs_count;	/* Directories count */
-	__u16	bg_pad;
-	__u32	bg_reserved[3];
+/* ext2 file system block group descriptor */
+
+struct ext2_gd {
+	u_int32_t ext2bgd_b_bitmap;	/* blocks bitmap block */
+	u_int32_t ext2bgd_i_bitmap;	/* inodes bitmap block */
+	u_int32_t ext2bgd_i_tables;	/* inodes table block  */
+	u_int16_t ext2bgd_nbfree;	/* number of free blocks */
+	u_int16_t ext2bgd_nifree;	/* number of free inodes */
+	u_int16_t ext2bgd_ndirs;	/* number of directories */
+	u_int16_t reserved;
+	u_int32_t reserved2[3];
 };
 
 /*