From: Theodore Ts'o <tytso@mit.edu>
To: ocfs2-devel@oss.oracle.com
Subject: [Ocfs2-devel] Re: [PATCH] Adding ocfs support to blkid
Date: Fri Feb 13 16:10:51 2004 [thread overview]
Message-ID: <20040205010819.GC3605@thunk.org> (raw)
In-Reply-To: <200402040838.i148cCqU002632@penguin.co.intel.com>
On Wed, Feb 04, 2004 at 12:38:12AM -0800, Rusty Lynch wrote:
> The following patch adds ocfs support to blkid.
If I'm reading your probe function implementation correctly, you don't
actually need to reread the OCFS volume header and label, since the
first 1k of the filesystem is passed to the probe function in the buf
parameter. This is done deliberately because the blkid library tries
very hard to read each part of the filesystem only once.
(There is cache management that goes on in blkid_very_devname() which
tries to avoid calling llseek/read needlessly, and that's why we pass
the cached buffer to the probe functions.)
- Ted
next prev parent reply other threads:[~2004-02-13 16:10 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-02-04 2:38 [Ocfs2-devel] [PATCH] Adding ocfs support to blkid Rusty Lynch
2004-02-04 12:59 ` Mark Fasheh
2004-02-04 17:32 ` Manish Singh
2004-02-05 1:59 ` Rusty Lynch
2004-02-05 12:30 ` Mark Fasheh
2004-02-05 4:58 ` Rusty Lynch
2004-02-05 15:49 ` Rusty Lynch
2004-02-13 16:10 ` Theodore Ts'o [this message]
2004-02-04 19:46 ` [Ocfs2-devel] " Rusty Lynch
2004-03-06 15:30 ` Theodore Ts'o
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