diff options
| author | Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> | 2007-10-16 18:38:25 -0400 |
|---|---|---|
| committer | Theodore Ts'o <tytso@mit.edu> | 2007-10-17 18:50:01 -0400 |
| commit | 3a14589cceea4c5d2d4de0369ee10b0fb627b107 (patch) | |
| tree | ff7125b54a041a722c6b99adf5af2ffeb44ef19d | |
| parent | ce421581794f6593830b056969ad7536ab929b2f (diff) | |
ext4: Convert bg_block_bitmap to bg_block_bitmap_lo
Convert bg_block_bitmap to bg_block_bitmap_lo
This helps in catching some BUGS due to direct
partial access of these split fields.
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
| -rw-r--r-- | fs/ext4/super.c | 6 | ||||
| -rw-r--r-- | include/linux/ext4_fs.h | 2 |
2 files changed, 4 insertions, 4 deletions
diff --git a/fs/ext4/super.c b/fs/ext4/super.c index 54450fa1af39..1e8eaaf2d4a5 100644 --- a/fs/ext4/super.c +++ b/fs/ext4/super.c @@ -70,9 +70,9 @@ static void ext4_write_super_lockfs(struct super_block *sb); ext4_fsblk_t ext4_block_bitmap(struct super_block *sb, struct ext4_group_desc *bg) { - return le32_to_cpu(bg->bg_block_bitmap) | + return le32_to_cpu(bg->bg_block_bitmap_lo) | (EXT4_DESC_SIZE(sb) >= EXT4_MIN_DESC_SIZE_64BIT ? - (ext4_fsblk_t)le32_to_cpu(bg->bg_block_bitmap_hi) << 32 : 0); + (ext4_fsblk_t)le32_to_cpu(bg->bg_block_bitmap_hi) << 32 : 0); } ext4_fsblk_t ext4_inode_bitmap(struct super_block *sb, @@ -94,7 +94,7 @@ ext4_fsblk_t ext4_inode_table(struct super_block *sb, void ext4_block_bitmap_set(struct super_block *sb, struct ext4_group_desc *bg, ext4_fsblk_t blk) { - bg->bg_block_bitmap = cpu_to_le32((u32)blk); + bg->bg_block_bitmap_lo = cpu_to_le32((u32)blk); if (EXT4_DESC_SIZE(sb) >= EXT4_MIN_DESC_SIZE_64BIT) bg->bg_block_bitmap_hi = cpu_to_le32(blk >> 32); } diff --git a/include/linux/ext4_fs.h b/include/linux/ext4_fs.h index 46b304d18345..1dab9847a206 100644 --- a/include/linux/ext4_fs.h +++ b/include/linux/ext4_fs.h @@ -105,7 +105,7 @@ */ struct ext4_group_desc { - __le32 bg_block_bitmap; /* Blocks bitmap block */ + __le32 bg_block_bitmap_lo; /* Blocks bitmap block */ __le32 bg_inode_bitmap; /* Inodes bitmap block */ __le32 bg_inode_table; /* Inodes table block */ __le16 bg_free_blocks_count; /* Free blocks count */ |