From: Andrew Morton <akpm@linux-foundation.org>
To: Jens Axboe <jens.axboe@oracle.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: shmem: convert to using splice instead of sendfile()
Date: Tue, 10 Jul 2007 18:43:47 -0700 [thread overview]
Message-ID: <20070710184347.037b6b3e.akpm@linux-foundation.org> (raw)
In-Reply-To: <200707102300.l6AN0xM4026841@hera.kernel.org>
On Tue, 10 Jul 2007 23:00:59 GMT Linux Kernel Mailing List <linux-kernel@vger.kernel.org> wrote:
> +static int shmem_readpage(struct file *file, struct page *page)
> +{
> + struct inode *inode = page->mapping->host;
> + int error = shmem_getpage(inode, page->index, &page, SGP_CACHE, NULL);
> + unlock_page(page);
> + return error;
> +}
Worried. shmem_getpage() does
done:
if (*pagep != filepage) {
unlock_page(filepage);
*pagep = filepage;
}
return 0;
so we end up unlocking an unlocked page?
next parent reply other threads:[~2007-07-11 1:44 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <200707102300.l6AN0xM4026841@hera.kernel.org>
2007-07-11 1:43 ` Andrew Morton [this message]
2007-07-11 6:20 ` shmem: convert to using splice instead of sendfile() Jens Axboe
2007-07-11 16:33 ` Hugh Dickins
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