From: Andreas Dilger <adilger@clusterfs.com>
To: Andrew Morton <akpm@zip.com.au>
Cc: Linus Torvalds <torvalds@transmeta.com>,
lkml <linux-kernel@vger.kernel.org>,
Hugh Dickins <hugh@veritas.com>
Subject: Re: [patch 10/19] direct-to-BIO I/O for swapcache pages
Date: Mon, 17 Jun 2002 10:17:18 -0600 [thread overview]
Message-ID: <20020617161718.GD22427@clusterfs.com> (raw)
In-Reply-To: <3D0D873A.405ED0BB@zip.com.au>
On Jun 16, 2002 23:52 -0700, Andrew Morton wrote:
> This patch changes the swap I/O handling. The objectives are:
>
> At swapon time (for an S_ISBLK swapfile), we install a single swap extent
> which describes the entire device.
>
> + inode = sis->swap_file->f_dentry->d_inode;
> + if (S_ISBLK(inode->i_mode)) {
> + ret = add_swap_extent(sis, 0, sis->max, 0);
> + goto done;
> + }
I believe it is possible to have blocks marked bad in the swap header,
even for a block device, so this will try to use those bad blocks.
Cheers, Andreas
--
Andreas Dilger
http://www-mddsp.enel.ucalgary.ca/People/adilger/
http://sourceforge.net/projects/ext2resize/
next prev parent reply other threads:[~2002-06-17 16:19 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-06-17 6:52 [patch 10/19] direct-to-BIO I/O for swapcache pages Andrew Morton
2002-06-17 7:13 ` Andrew Morton
2002-06-17 16:17 ` Andreas Dilger [this message]
2002-06-17 18:42 ` Andrew Morton
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