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[PATCH] ext4: move block number hi bits

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move '_hi' bits of block numbers in the larger part of the
block group descriptor structure

Signed-off-by: Alexandre Ratchov <alexandre.ratchov@bull.net>
Signed-off-by: Dave Kleikamp <shaggy@austin.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Alexandre Ratchov
2006-10-11 01:21:15 -07:00
committed by Linus Torvalds
parent 0d1ee42f27
commit 8fadc14323
6 changed files with 64 additions and 46 deletions
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20
fs/ext4/balloc.c
View File

@@ -101,13 +101,13 @@ read_block_bitmap(struct super_block *sb, unsigned int block_group)
desc = ext4_get_group_desc (sb, block_group, NULL);
if (!desc)
goto error_out;
bh = sb_bread(sb, ext4_block_bitmap(desc));
bh = sb_bread(sb, ext4_block_bitmap(sb, desc));
if (!bh)
ext4_error (sb, "read_block_bitmap",
"Cannot read block bitmap - "
"block_group = %d, block_bitmap = %llu",
block_group,
ext4_block_bitmap(desc));
ext4_block_bitmap(sb, desc));
error_out:
return bh;
}
@@ -463,10 +463,10 @@ do_more:
if (!desc)
goto error_return;
if (in_range(ext4_block_bitmap(desc), block, count) ||
in_range(ext4_inode_bitmap(desc), block, count) ||
in_range(block, ext4_inode_table(desc), sbi->s_itb_per_group) ||
in_range(block + count - 1, ext4_inode_table(desc),
if (in_range(ext4_block_bitmap(sb, desc), block, count) ||
in_range(ext4_inode_bitmap(sb, desc), block, count) ||
in_range(block, ext4_inode_table(sb, desc), sbi->s_itb_per_group) ||
in_range(block + count - 1, ext4_inode_table(sb, desc),
sbi->s_itb_per_group))
ext4_error (sb, "ext4_free_blocks",
"Freeing blocks in system zones - "
@@ -1563,11 +1563,11 @@ allocated:
ret_block = grp_alloc_blk + ext4_group_first_block_no(sb, group_no);
if (in_range(ext4_block_bitmap(gdp), ret_block, num) ||
in_range(ext4_block_bitmap(gdp), ret_block, num) ||
in_range(ret_block, ext4_inode_table(gdp),
if (in_range(ext4_block_bitmap(sb, gdp), ret_block, num) ||
in_range(ext4_block_bitmap(sb, gdp), ret_block, num) ||
in_range(ret_block, ext4_inode_table(sb, gdp),
EXT4_SB(sb)->s_itb_per_group) ||
in_range(ret_block + num - 1, ext4_inode_table(gdp),
in_range(ret_block + num - 1, ext4_inode_table(sb, gdp),
EXT4_SB(sb)->s_itb_per_group))
ext4_error(sb, "ext4_new_block",
"Allocating block in system zone - "