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ext4: Remove old legacy block allocator

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Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
This commit is contained in:
Theodore Ts'o
2008-10-10 09:40:52 -04:00
parent 240799cdf2
commit c2ea3fde61
12 changed files with 40 additions and 1528 deletions
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18
fs/ext4/resize.c
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@@ -870,11 +870,10 @@ int ext4_group_add(struct super_block *sb, struct ext4_new_group_data *input)
* We can allocate memory for mb_alloc based on the new group
* descriptor
*/
if (test_opt(sb, MBALLOC)) {
err = ext4_mb_add_more_groupinfo(sb, input->group, gdp);
if (err)
goto exit_journal;
}
err = ext4_mb_add_more_groupinfo(sb, input->group, gdp);
if (err)
goto exit_journal;
/*
* Make the new blocks and inodes valid next. We do this before
* increasing the group count so that once the group is enabled,
@@ -1086,8 +1085,15 @@ int ext4_group_extend(struct super_block *sb, struct ext4_super_block *es,
/*
* Mark mballoc pages as not up to date so that they will be updated
* next time they are loaded by ext4_mb_load_buddy.
*
* XXX Bad, Bad, BAD!!! We should not be overloading the
* Uptodate flag, particularly on thte bitmap bh, as way of
* hinting to ext4_mb_load_buddy() that it needs to be
* overloaded. A user could take a LVM snapshot, then do an
* on-line fsck, and clear the uptodate flag, and this would
* not be a bug in userspace, but a bug in the kernel. FIXME!!!
*/
if (test_opt(sb, MBALLOC)) {
{
struct ext4_sb_info *sbi = EXT4_SB(sb);
struct inode *inode = sbi->s_buddy_cache;
int blocks_per_page;