From: Theodore Tso <tytso@mit.edu>
To: Nick Piggin <nickpiggin@yahoo.com.au>
Cc: "Eric W. Biederman" <ebiederm@xmission.com>,
Andrew Morton <akpm@linux-foundation.org>,
Christian Borntraeger <borntraeger@de.ibm.com>,
linux-mm@kvack.org, linux-kernel@vger.kernel.org,
Martin Schwidefsky <schwidefsky@de.ibm.com>
Subject: Re: [patch][rfc] rewrite ramdisk
Date: Tue, 16 Oct 2007 17:28:53 -0400 [thread overview]
Message-ID: <20071016212853.GB1314@closure.lan> (raw)
In-Reply-To: <200710161747.12968.nickpiggin@yahoo.com.au>
On Tue, Oct 16, 2007 at 05:47:12PM +1000, Nick Piggin wrote:
> + /*
> + * ram device BLKFLSBUF has special semantics, we want to actually
> + * release and destroy the ramdisk data.
> + */
We won't be able to fix completely this for a while time, but the fact
that BLKFLSBUF has special semantics has always been a major wart.
Could we perhaps create a new ioctl, say RAMDISKDESTORY, and add a
deperecation printk for BLKFLSBUF when passed to the ramdisk? I doubt
there are many tools that actually take advantage of this wierd aspect
of ramdisks, so hopefully it's something we could remove in a 18
months or so...
- Ted
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next prev parent reply other threads:[~2007-10-16 21:28 UTC|newest]
Thread overview: 77+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-10-15 8:28 [PATCH resend] ramdisk: fix zeroed ramdisk pages on memory pressure Christian Borntraeger
2007-10-15 14:06 ` Nick Piggin
2007-10-15 9:05 ` Christian Borntraeger
2007-10-15 14:38 ` Nick Piggin
2007-10-15 18:38 ` Eric W. Biederman
2007-10-15 22:37 ` Eric W. Biederman
2007-10-15 22:40 ` [PATCH] rd: Preserve the dirty bit in init_page_buffers() Eric W. Biederman
2007-10-15 22:42 ` [PATCH] rd: Mark ramdisk buffers heads dirty Eric W. Biederman
2007-10-16 7:56 ` Christian Borntraeger
2007-10-16 9:22 ` Eric W. Biederman
2007-10-17 16:14 ` Christian Borntraeger
2007-10-17 17:57 ` Eric W. Biederman
2007-10-17 19:14 ` Chris Mason
2007-10-17 20:29 ` Eric W. Biederman
2007-10-17 20:54 ` Chris Mason
2007-10-17 21:30 ` Eric W. Biederman
2007-10-17 22:58 ` Chris Mason
2007-10-17 23:28 ` Eric W. Biederman
2007-10-18 0:03 ` Chris Mason
2007-10-18 3:27 ` Eric W. Biederman
2007-10-18 3:59 ` [RFC][PATCH] block: Isolate the buffer cache in it's own mappings Eric W. Biederman
2007-10-18 4:32 ` Andrew Morton
2007-10-19 21:27 ` Eric W. Biederman
2007-10-21 4:24 ` Nick Piggin
2007-10-21 4:53 ` Eric W. Biederman
2007-10-21 5:36 ` Nick Piggin
2007-10-21 7:09 ` Eric W. Biederman
2007-10-22 0:15 ` David Chinner
2007-10-18 5:10 ` Nick Piggin
2007-10-19 21:35 ` Eric W. Biederman
2007-10-17 21:48 ` [PATCH] rd: Mark ramdisk buffers heads dirty Christian Borntraeger
2007-10-17 22:22 ` Eric W. Biederman
2007-10-18 9:26 ` Christian Borntraeger
2007-10-19 22:46 ` Eric W. Biederman
2007-10-19 22:51 ` [PATCH] rd: Use a private inode for backing storage Eric W. Biederman
2007-10-21 4:28 ` Nick Piggin
2007-10-21 5:10 ` Eric W. Biederman
2007-10-21 5:24 ` Nick Piggin
2007-10-21 6:48 ` Eric W. Biederman
2007-10-21 7:28 ` Christian Borntraeger
2007-10-21 8:23 ` Eric W. Biederman
2007-10-21 9:56 ` Nick Piggin
2007-10-21 18:39 ` Eric W. Biederman
2007-10-22 1:56 ` Nick Piggin
2007-10-22 13:11 ` Chris Mason
2007-10-21 9:39 ` Nick Piggin
2007-10-21 17:56 ` Eric W. Biederman
2007-10-22 0:29 ` Nick Piggin
2007-10-16 8:19 ` [PATCH] rd: Mark ramdisk buffers heads dirty Nick Piggin
2007-10-16 8:48 ` Christian Borntraeger
2007-10-16 19:06 ` Eric W. Biederman
2007-10-16 22:06 ` Nick Piggin
2007-10-16 8:12 ` [PATCH] rd: Preserve the dirty bit in init_page_buffers() Nick Piggin
2007-10-16 9:35 ` Eric W. Biederman
2007-10-15 9:16 ` [PATCH resend] ramdisk: fix zeroed ramdisk pages on memory pressure Andrew Morton
2007-10-15 15:23 ` Nick Piggin
2007-10-16 3:14 ` Eric W. Biederman
2007-10-16 6:45 ` Nick Piggin
2007-10-16 4:57 ` Eric W. Biederman
2007-10-16 8:08 ` Nick Piggin
2007-10-16 7:47 ` [patch][rfc] rewrite ramdisk Nick Piggin
2007-10-16 7:52 ` Jan Engelhardt
2007-10-16 8:07 ` Nick Piggin
2007-10-16 8:17 ` Jan Engelhardt
2007-10-16 8:26 ` Nick Piggin
2007-10-16 8:53 ` Jan Engelhardt
2007-10-16 9:08 ` Eric W. Biederman
2007-10-16 21:28 ` Theodore Tso [this message]
2007-10-16 22:08 ` Nick Piggin
2007-10-16 23:48 ` Eric W. Biederman
2007-10-17 0:28 ` Nick Piggin
2007-10-17 1:13 ` Eric W. Biederman
2007-10-17 1:47 ` Nick Piggin
2007-10-17 10:30 ` Eric W. Biederman
2007-10-17 12:49 ` Nick Piggin
2007-10-17 18:45 ` Eric W. Biederman
2007-10-18 1:06 ` Nick Piggin
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