On Thu, Apr 01, 2010 at 08:34:41PM +0800, jing zhang wrote:
>
> --- linux-2.6.32/fs/ext4/mballoc.c 2009-12-03 11:51:22.000000000 +0800
> +++ ext4_mm_leak/mballoc-14.c 2010-04-01 20:35:58.000000000 +0800
> @@ -4299,7 +4299,7 @@ repeat:
> }
> } else {
> freed = ext4_mb_discard_preallocations(sb, ac->ac_o_ex.fe_len);
> - if (freed)
> + if (freed && freed >= ac->ac_o_ex.fe_len)
> goto repeat;
> *errp = -ENOSPC;
> ac->ac_b_ex.fe_len = 0;
This is just wrong.
Since you didn't give a justification, I'm not sure why you think it
is correct.
- Ted
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