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Diffstat (limited to 'fs/ext4')
-rw-r--r--fs/ext4/balloc.c41
1 files changed, 0 insertions, 41 deletions
diff --git a/fs/ext4/balloc.c b/fs/ext4/balloc.c
index e906b65448e..71ee95e534f 100644
--- a/fs/ext4/balloc.c
+++ b/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