[Ocfs2-devel] Why ocfs2 haven't implemented "steal" for local_alloc system files?

[Sunil Mushran]

Because it makes no sense. Unlike inode/extent allocs, local_alloc is a
temporary cache. If you fail to allocate, you fallback to the global bitmap.


On Sat, Jul 27, 2013 at 3:27 AM, Younger Liu <younger.liu at huawei.com> wrote:

> Hi,
>   While analyzing ocfs2 block allocation, I found:
>   When claiming space from inode_alloc (or extent_alloc) system files,
> if there is no enough space in inode_alloc (or extent_alloc) and
> global_bitmap, it could steal space from other slots.
>   But when claiming space from local_alloc system files, and no
> enough space in local_alloc and global_bitmap, it returns -ENOSPC.
>
>   Why ocfs2 haven't implemented "steal" for local_alloc system files?
>   Is there any some reasons?
>
>
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