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| 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 18:50:02 -0400 |
| commit | 5272f8372786a181313c00c7a67304ac6def2e34 (patch) | |
| tree | d410591f49209a5a6ae4f04152fb91d1556c946a /fs/ext4 | |
| parent | 3a14589cceea4c5d2d4de0369ee10b0fb627b107 (diff) | |
| download | blackbird-op-linux-5272f8372786a181313c00c7a67304ac6def2e34.tar.gz blackbird-op-linux-5272f8372786a181313c00c7a67304ac6def2e34.zip | |
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 <aneesh.kumar@linux.vnet.ibm.com>
Diffstat (limited to 'fs/ext4')
| -rw-r--r-- | fs/ext4/balloc.c | 2 | ||||
| -rw-r--r-- | fs/ext4/super.c | 12 |
2 files changed, 7 insertions, 7 deletions
diff --git a/fs/ext4/balloc.c b/fs/ext4/balloc.c index 5927687b3e79..e906b65448e2 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 1e8eaaf2d4a5..f9cb64c5010b 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); } |
