Alexander Viro wrote:
>> a) inodes MUST have an address of valid struct super_block in their
>> ->i_sb. Had been discussed quite a few times already.
On Thu, Oct 10, 2002 at 12:22:28PM -0700, Andrew Morton wrote:
> afaict, that code only wants an inode because it is borrowing
> the pagecache functions for page lookup. It's using i_ino as
> a search key too. It has no superblock.
> Solutions might be: 1) allocate a private <int key, radix tree>
> structure or 2) require that these inodes come from hugetlbfs,
> although the "key" makes that a bit tricky.
shm clobbers hugetlbfs-assigned inode numbers with the shp->id
somewhere around newseg(), (which doesn't matter because it's the
only user of the kern_mounted fs) so ->i_ino will need to avoid
clashing there. But there are several ways to wean hugetlbpage.c off
->i_ino so it's not a big deal.
Bill
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This archive was generated by hypermail 2b29 : Tue Oct 15 2002 - 22:00:38 EST