---

yaml --- r: 73568 b: refs/heads/master c: 0b832a4 h: refs/heads/master v: v3
git-mirror · Nov 13, 2007 · d3f506e · d3f506e
1 parent 079f9ec
commit d3f506e
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Showing 4 changed files with 10 additions and 131 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 325d22df7b19e0116aff3391d3a03f73d0634ded
+refs/heads/master: 0b832a4b93932103d73c0c3f35ef1153e288327b
diff --git a/trunk/fs/ext2/balloc.c b/trunk/fs/ext2/balloc.c
@@ -69,14 +69,6 @@ struct ext2_group_desc * ext2_get_group_desc(struct super_block * sb,
 	return desc + offset;
 }
 
-static inline int
-block_in_use(unsigned long block, struct super_block *sb, unsigned char *map)
-{
-	return ext2_test_bit ((block -
-		le32_to_cpu(EXT2_SB(sb)->s_es->s_first_data_block)) %
-			 EXT2_BLOCKS_PER_GROUP(sb), map);
-}
-
 /*
  * Read the bitmap for a given block_group, reading into the specified 
  * slot in the superblock's bitmap cache.
@@ -86,51 +78,20 @@ block_in_use(unsigned long block, struct super_block *sb, unsigned char *map)
 static struct buffer_head *
 read_block_bitmap(struct super_block *sb, unsigned int block_group)
 {
-	int i;
 	struct ext2_group_desc * desc;
 	struct buffer_head * bh = NULL;
-	unsigned int bitmap_blk;
-
+
 	desc = ext2_get_group_desc (sb, block_group, NULL);
 	if (!desc)
-		return NULL;
-	bitmap_blk = le32_to_cpu(desc->bg_block_bitmap);
-	bh = sb_bread(sb, bitmap_blk);
+		goto error_out;
+	bh = sb_bread(sb, le32_to_cpu(desc->bg_block_bitmap));
 	if (!bh)
-		ext2_error (sb, __FUNCTION__,
+		ext2_error (sb, "read_block_bitmap",
 			    "Cannot read block bitmap - "
 			    "block_group = %d, block_bitmap = %u",
 			    block_group, le32_to_cpu(desc->bg_block_bitmap));
-
-	/* check whether block bitmap block number is set */
-	if (!block_in_use(bitmap_blk, sb, bh->b_data)) {
-		/* bad block bitmap */
-		goto error_out;
-	}
-	/* check whether the inode bitmap block number is set */
-	bitmap_blk = le32_to_cpu(desc->bg_inode_bitmap);
-	if (!block_in_use(bitmap_blk, sb, bh->b_data)) {
-		/* bad block bitmap */
-		goto error_out;
-	}
-	/* check whether the inode table block number is set */
-	bitmap_blk = le32_to_cpu(desc->bg_inode_table);
-	for (i = 0; i < EXT2_SB(sb)->s_itb_per_group; i++, bitmap_blk++) {
-		if (!block_in_use(bitmap_blk, sb, bh->b_data)) {
-			/* bad block bitmap */
-			goto error_out;
-		}
-	}
-
-	return bh;
-
 error_out:
-	brelse(bh);
-	ext2_error(sb, __FUNCTION__,
-			"Invalid block bitmap - "
-			"block_group = %d, block = %u",
-			block_group, bitmap_blk);
-	return NULL;
+	return bh;
 }
 
 static void release_blocks(struct super_block *sb, int count)
@@ -1461,7 +1422,6 @@ unsigned long ext2_count_free_blocks (struct super_block * sb)
 #endif
 }
 
-
 static inline int test_root(int a, int b)
 {
 	int num = b;

diff --git a/trunk/fs/ext3/balloc.c b/trunk/fs/ext3/balloc.c
@@ -80,14 +80,6 @@ struct ext3_group_desc * ext3_get_group_desc(struct super_block * sb,
 	return desc + offset;
 }
 
-static inline int
-block_in_use(ext3_fsblk_t block, struct super_block *sb, unsigned char *map)
-{
-	return ext3_test_bit ((block -
-		le32_to_cpu(EXT3_SB(sb)->s_es->s_first_data_block)) %
-			 EXT3_BLOCKS_PER_GROUP(sb), map);
-}
-
 /**
  * read_block_bitmap()
  * @sb:			super block
@@ -101,51 +93,20 @@ block_in_use(ext3_fsblk_t block, struct super_block *sb, unsigned char *map)
 static struct buffer_head *
 read_block_bitmap(struct super_block *sb, unsigned int block_group)
 {
-	int i;
 	struct ext3_group_desc * desc;
 	struct buffer_head * bh = NULL;
-	ext3_fsblk_t bitmap_blk;
 
 	desc = ext3_get_group_desc (sb, block_group, NULL);
 	if (!desc)
-		return NULL;
-	bitmap_blk = le32_to_cpu(desc->bg_block_bitmap);
-	bh = sb_bread(sb, bitmap_blk);
+		goto error_out;
+	bh = sb_bread(sb, le32_to_cpu(desc->bg_block_bitmap));
 	if (!bh)
-		ext3_error (sb, __FUNCTION__,
+		ext3_error (sb, "read_block_bitmap",
 			    "Cannot read block bitmap - "
 			    "block_group = %d, block_bitmap = %u",
 			    block_group, le32_to_cpu(desc->bg_block_bitmap));
-
-	/* check whether block bitmap block number is set */
-	if (!block_in_use(bitmap_blk, sb, bh->b_data)) {
-		/* bad block bitmap */
-		goto error_out;
-	}
-	/* check whether the inode bitmap block number is set */
-	bitmap_blk = le32_to_cpu(desc->bg_inode_bitmap);
-	if (!block_in_use(bitmap_blk, sb, bh->b_data)) {
-		/* bad block bitmap */
-		goto error_out;
-	}
-	/* check whether the inode table block number is set */
-	bitmap_blk = le32_to_cpu(desc->bg_inode_table);
-	for (i = 0; i < EXT3_SB(sb)->s_itb_per_group; i++, bitmap_blk++) {
-		if (!block_in_use(bitmap_blk, sb, bh->b_data)) {
-			/* bad block bitmap */
-			goto error_out;
-		}
-	}
-
-	return bh;
-
 error_out:
-	brelse(bh);
-	ext3_error(sb, __FUNCTION__,
-			"Invalid block bitmap - "
-			"block_group = %d, block = %lu",
-			block_group, bitmap_blk);
-	return NULL;
+	return bh;
 }
 /*
  * The reservation window structure operations
@@ -1772,7 +1733,6 @@ ext3_fsblk_t ext3_count_free_blocks(struct super_block *sb)
 #endif
 }
 
-
 static inline int test_root(int a, int b)
 {
 	int num = b;

diff --git a/trunk/fs/ext4/balloc.c b/trunk/fs/ext4/balloc.c
@@ -189,15 +189,6 @@ struct ext4_group_desc * ext4_get_group_desc(struct super_block * sb,
 	return desc;
 }
 
-static inline int
-block_in_use(ext4_fsblk_t block, struct super_block *sb, unsigned char *map)
-{
-	ext4_grpblk_t offset;
-
-	ext4_get_group_no_and_offset(sb, block, NULL, &offset);
-	return ext4_test_bit (offset, map);
-}
-
 /**
  * read_block_bitmap()
  * @sb:			super block
@@ -211,7 +202,6 @@ block_in_use(ext4_fsblk_t block, struct super_block *sb, unsigned char *map)
 struct buffer_head *
 read_block_bitmap(struct super_block *sb, unsigned int block_group)
 {
-	int i;
 	struct ext4_group_desc * desc;
 	struct buffer_head * bh = NULL;
 	ext4_fsblk_t bitmap_blk;
@@ -239,38 +229,7 @@ read_block_bitmap(struct super_block *sb, unsigned int block_group)
 			    "Cannot read block bitmap - "
 			    "block_group = %d, block_bitmap = %llu",
 			    block_group, bitmap_blk);
-
-	/* check whether block bitmap block number is set */
-	if (!block_in_use(bitmap_blk, sb, bh->b_data)) {
-		/* bad block bitmap */
-		goto error_out;
-	}
-
-	/* check whether the inode bitmap block number is set */
-	bitmap_blk = ext4_inode_bitmap(sb, desc);
-	if (!block_in_use(bitmap_blk, sb, bh->b_data)) {
-		/* bad block bitmap */
-		goto error_out;
-	}
-	/* check whether the inode table block number is set */
-	bitmap_blk = ext4_inode_table(sb, desc);
-	for (i = 0; i < EXT4_SB(sb)->s_itb_per_group; i++, bitmap_blk++) {
-		if (!block_in_use(bitmap_blk, sb, bh->b_data)) {
-			/* bad block bitmap */
-			goto error_out;
-		}
-	}
-
 	return bh;
-
-error_out:
-	brelse(bh);
-	ext4_error(sb, __FUNCTION__,
-			"Invalid block bitmap - "
-			"block_group = %d, block = %llu",
-			block_group, bitmap_blk);
-	return NULL;
-
 }
 /*
  * The reservation window structure operations