Gitweb:     
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=5272f8372786a181313c00c7a67304ac6def2e34
Commit:     5272f8372786a181313c00c7a67304ac6def2e34
Parent:     3a14589cceea4c5d2d4de0369ee10b0fb627b107
Author:     Aneesh Kumar K.V <[EMAIL PROTECTED]>
AuthorDate: Tue Oct 16 18:38:25 2007 -0400
Committer:  Theodore Ts'o <[EMAIL PROTECTED]>
CommitDate: Wed Oct 17 18:50:02 2007 -0400

    ext4: Convert bg_inode_bitmap and bg_inode_table
    
    Convert bg_inode_bitmap and bg_inode_table to bg_inode_bitmap_lo
    and bg_inode_table_lo.  This helps in finding BUGs due to
    direct partial access of these split 64 bit values
    
    Also fix one direct partial access
    
    Signed-off-by: Aneesh Kumar K.V <[EMAIL PROTECTED]>
---
 fs/ext4/balloc.c        |    2 +-
 fs/ext4/super.c         |   12 ++++++------
 include/linux/ext4_fs.h |    4 ++--
 3 files changed, 9 insertions(+), 9 deletions(-)

diff --git a/fs/ext4/balloc.c b/fs/ext4/balloc.c
index 5927687..e906b65 100644
--- a/fs/ext4/balloc.c
+++ b/fs/ext4/balloc.c
@@ -115,7 +115,7 @@ unsigned ext4_init_block_bitmap(struct super_block *sb, 
struct buffer_head *bh,
                /* Set bits for block and inode bitmaps, and inode table */
                ext4_set_bit(ext4_block_bitmap(sb, gdp) - start, bh->b_data);
                ext4_set_bit(ext4_inode_bitmap(sb, gdp) - start, bh->b_data);
-               for (bit = le32_to_cpu(gdp->bg_inode_table) - start,
+               for (bit = (ext4_inode_table(sb, gdp) - start),
                     bit_max = bit + sbi->s_itb_per_group; bit < bit_max; bit++)
                        ext4_set_bit(bit, bh->b_data);
 
diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index 1e8eaaf..f9cb64c 100644
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -78,17 +78,17 @@ ext4_fsblk_t ext4_block_bitmap(struct super_block *sb,
 ext4_fsblk_t ext4_inode_bitmap(struct super_block *sb,
                               struct ext4_group_desc *bg)
 {
-       return le32_to_cpu(bg->bg_inode_bitmap) |
+       return le32_to_cpu(bg->bg_inode_bitmap_lo) |
                (EXT4_DESC_SIZE(sb) >= EXT4_MIN_DESC_SIZE_64BIT ?
-                (ext4_fsblk_t)le32_to_cpu(bg->bg_inode_bitmap_hi) << 32 : 0);
+               (ext4_fsblk_t)le32_to_cpu(bg->bg_inode_bitmap_hi) << 32 : 0);
 }
 
 ext4_fsblk_t ext4_inode_table(struct super_block *sb,
                              struct ext4_group_desc *bg)
 {
-       return le32_to_cpu(bg->bg_inode_table) |
+       return le32_to_cpu(bg->bg_inode_table_lo) |
                (EXT4_DESC_SIZE(sb) >= EXT4_MIN_DESC_SIZE_64BIT ?
-                (ext4_fsblk_t)le32_to_cpu(bg->bg_inode_table_hi) << 32 : 0);
+               (ext4_fsblk_t)le32_to_cpu(bg->bg_inode_table_hi) << 32 : 0);
 }
 
 void ext4_block_bitmap_set(struct super_block *sb,
@@ -102,7 +102,7 @@ void ext4_block_bitmap_set(struct super_block *sb,
 void ext4_inode_bitmap_set(struct super_block *sb,
                           struct ext4_group_desc *bg, ext4_fsblk_t blk)
 {
-       bg->bg_inode_bitmap  = cpu_to_le32((u32)blk);
+       bg->bg_inode_bitmap_lo  = cpu_to_le32((u32)blk);
        if (EXT4_DESC_SIZE(sb) >= EXT4_MIN_DESC_SIZE_64BIT)
                bg->bg_inode_bitmap_hi = cpu_to_le32(blk >> 32);
 }
@@ -110,7 +110,7 @@ void ext4_inode_bitmap_set(struct super_block *sb,
 void ext4_inode_table_set(struct super_block *sb,
                          struct ext4_group_desc *bg, ext4_fsblk_t blk)
 {
-       bg->bg_inode_table = cpu_to_le32((u32)blk);
+       bg->bg_inode_table_lo = cpu_to_le32((u32)blk);
        if (EXT4_DESC_SIZE(sb) >= EXT4_MIN_DESC_SIZE_64BIT)
                bg->bg_inode_table_hi = cpu_to_le32(blk >> 32);
 }
diff --git a/include/linux/ext4_fs.h b/include/linux/ext4_fs.h
index 1dab984..f5d57c7 100644
--- a/include/linux/ext4_fs.h
+++ b/include/linux/ext4_fs.h
@@ -106,8 +106,8 @@
 struct ext4_group_desc
 {
        __le32  bg_block_bitmap_lo;     /* Blocks bitmap block */
-       __le32  bg_inode_bitmap;        /* Inodes bitmap block */
-       __le32  bg_inode_table;         /* Inodes table block */
+       __le32  bg_inode_bitmap_lo;     /* Inodes bitmap block */
+       __le32  bg_inode_table_lo;      /* Inodes table block */
        __le16  bg_free_blocks_count;   /* Free blocks count */
        __le16  bg_free_inodes_count;   /* Free inodes count */
        __le16  bg_used_dirs_count;     /* Directories count */
-
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