Re: [PATCH 4/4] fuse: writepages: protect secondary requests from fuse file release

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On Wed, Oct 02, 2013 at 09:38:54PM +0400, Maxim Patlasov wrote:
> All async fuse requests must be supplied with extra reference to a fuse file.
> This is necessary to ensure that the fuse file is not released until all
> in-flight requests are completed. Fuse secondary writeback requests must
> obey this rule as well.

Okay, applied.

Thanks,
Miklos

> 
> Signed-off-by: Maxim Patlasov <MPatlasov@xxxxxxxxxxxxx>
> ---
>  fs/fuse/file.c |    1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/fs/fuse/file.c b/fs/fuse/file.c
> index 5d323bd..266a792 100644
> --- a/fs/fuse/file.c
> +++ b/fs/fuse/file.c
> @@ -1521,6 +1521,7 @@ static void fuse_writepage_end(struct fuse_conn *fc, struct fuse_req *req)
>  			continue;
>  		}
>  
> +		next->ff = fuse_file_get(req->ff);
>  		list_add(&next->writepages_entry, &fi->writepages);
>  		list_add_tail(&next->list, &fi->queued_writes);
>  		fuse_flush_writepages(inode);
> 
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