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[PATCH] ext4: 64bit metadata

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In-kernel super block changes to support >32 bit free blocks numbers.

Signed-off-by: Laurent Vivier <Laurent.Vivier@bull.net>
Signed-off-by: Dave Kleikamp <shaggy@austin.ibm.com>
Signed-off-by: Alexandre Ratchov <alexandre.ratchov@bull.net>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Laurent Vivier
2006-10-11 01:21:10 -07:00
committed by Linus Torvalds
parent a1ddeb7eae
commit bd81d8eec0
6 changed files with 201 additions and 97 deletions
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8
fs/ext4/ialloc.c
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@@ -60,12 +60,12 @@ read_inode_bitmap(struct super_block * sb, unsigned long block_group)
if (!desc)
goto error_out;
bh = sb_bread(sb, le32_to_cpu(desc->bg_inode_bitmap));
bh = sb_bread(sb, ext4_inode_bitmap(desc));
if (!bh)
ext4_error(sb, "read_inode_bitmap",
"Cannot read inode bitmap - "
"block_group = %lu, inode_bitmap = %u",
block_group, le32_to_cpu(desc->bg_inode_bitmap));
"block_group = %lu, inode_bitmap = %llu",
block_group, ext4_inode_bitmap(desc));
error_out:
return bh;
}
@@ -304,7 +304,7 @@ static int find_group_orlov(struct super_block *sb, struct inode *parent)
goto fallback;
}
blocks_per_dir = le32_to_cpu(es->s_blocks_count) - freeb;
blocks_per_dir = ext4_blocks_count(es) - freeb;
sector_div(blocks_per_dir, ndirs);
max_dirs = ndirs / ngroups + inodes_per_group / 16;