Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=3a14589cceea4c5d2d4de0369ee10b0fb627b107
Commit: 3a14589cceea4c5d2d4de0369ee10b0fb627b107
Parent: ce421581794f6593830b056969ad7536ab929b2f
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 18:50:01 2007 -0400
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 <[EMAIL PROTECTED]>
---
fs/ext4/super.c | 6 +++---
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 54450fa..1e8eaaf 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 46b304d..1dab984 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 */
-
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