Btrfs: Add checks for last byte in disk to allocator grouping

Signed-off-by: Chris Mason <chris.mason@oracle.com>
This commit is contained in:
Chris Mason 2008-02-05 10:20:17 -05:00
parent dacb473ad8
commit 068fe39fa1

View File

@ -1611,8 +1611,13 @@ static int noinline find_free_extent(struct btrfs_trans_handle *trans,
}
ins->offset = num_bytes;
btrfs_free_path(path);
if (last_ptr)
if (last_ptr) {
*last_ptr = ins->objectid + ins->offset;
if (*last_ptr ==
btrfs_super_total_bytes(&root->fs_info->super_copy)) {
*last_ptr = 0;
}
}
return 0;
new_group: