Re: [PATCH 2/2] fs/fuse, splice_write: reduce allocation size.

[Andrey Ryabinin]

On 07/17/2018 05:47 PM, Miklos Szeredi wrote:
> On Mon, Jul 16, 2018 at 6:03 PM, Andrey Ryabinin
> <aryabinin@xxxxxxxxxxxxx> wrote:
>> The 'bufs' array contains 'pipe->buffers' elements, but the
>> fuse_dev_splice_write() uses only 'pipe->nrbufs' elements.
> 
> Hmm, only valid with pipe lock held, AFAICS.
> 
> True for using ->buffers as well...
> 
> Would you mind resending this series with an additional starting patch
> that moves the bufs allocations inside pipe_lock()/pipe_unlock() to
> fix races with fcntl(F_SETPIPE_SZ).
> 

Sure, will do shortly.
I suppose the patch should go with a stable tag, right?


> Thanks,
> Miklos
>