Re: [RFC][PATCH] block: Isolate the buffer cache in it's own mappings.

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To: Eric W. Biederman <ebiederm@...>
Cc: Andrew Morton <akpm@...>, Chris Mason <chris.mason@...>, Christian Borntraeger <borntraeger@...>, <linux-mm@...>, <linux-kernel@...>, Martin Schwidefsky <schwidefsky@...>, Theodore Ts'o <tytso@...>, <stable@...>
Date: Sunday, October 21, 2007 - 12:24 am

On Saturday 20 October 2007 07:27, Eric W. Biederman wrote:

Not for metadata. And I wouldn't expect many filesystem analysis
tools to care about data.



unmap_underlying_metadata isn't about raw block device access at
all, though (if you write to the filesystem via the blockdevice
when it isn't expecting it, it's going to blow up regardless).



It either is or it isn't, right? And it is, isn't it? (at least
for the common filesystems).
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Messages in current thread:
[PATCH resend] ramdisk: fix zeroed ramdisk pages on memory p..., Christian Borntraeger, (Mon Oct 15, 4:28 am)
Re: [PATCH resend] ramdisk: fix zeroed ramdisk pages on memo..., Eric W. Biederman, (Mon Oct 15, 11:14 pm)
Re: [PATCH resend] ramdisk: fix zeroed ramdisk pages on memo..., Eric W. Biederman, (Tue Oct 16, 12:57 am)
[patch][rfc] rewrite ramdisk, Nick Piggin, (Tue Oct 16, 3:47 am)
Re: [patch][rfc] rewrite ramdisk, Eric W. Biederman, (Wed Oct 17, 6:30 am)
Re: [patch][rfc] rewrite ramdisk, Nick Piggin, (Wed Oct 17, 8:49 am)
Re: [patch][rfc] rewrite ramdisk, Eric W. Biederman, (Wed Oct 17, 2:45 pm)
Re: [patch][rfc] rewrite ramdisk, Nick Piggin, (Wed Oct 17, 9:06 pm)
Re: [patch][rfc] rewrite ramdisk, Theodore Tso, (Tue Oct 16, 5:28 pm)
Re: [patch][rfc] rewrite ramdisk, Nick Piggin, (Tue Oct 16, 6:08 pm)
Re: [patch][rfc] rewrite ramdisk, Eric W. Biederman, (Tue Oct 16, 7:48 pm)
Re: [patch][rfc] rewrite ramdisk, Nick Piggin, (Tue Oct 16, 8:28 pm)
Re: [patch][rfc] rewrite ramdisk, Eric W. Biederman, (Tue Oct 16, 9:13 pm)
Re: [patch][rfc] rewrite ramdisk, Nick Piggin, (Tue Oct 16, 9:47 pm)
Re: [patch][rfc] rewrite ramdisk, Eric W. Biederman, (Tue Oct 16, 5:08 am)
Re: [patch][rfc] rewrite ramdisk, Jan Engelhardt, (Tue Oct 16, 3:52 am)
Re: [patch][rfc] rewrite ramdisk, Nick Piggin, (Tue Oct 16, 4:07 am)
Re: [patch][rfc] rewrite ramdisk, Jan Engelhardt, (Tue Oct 16, 4:17 am)
Re: [patch][rfc] rewrite ramdisk, Nick Piggin, (Tue Oct 16, 4:26 am)
Re: [patch][rfc] rewrite ramdisk, Jan Engelhardt, (Tue Oct 16, 4:53 am)
Re: [PATCH resend] ramdisk: fix zeroed ramdisk pages on memo..., Christian Borntraeger, (Mon Oct 15, 5:05 am)
Re: [PATCH resend] ramdisk: fix zeroed ramdisk pages on memo..., Eric W. Biederman, (Mon Oct 15, 2:38 pm)
Re: [PATCH resend] ramdisk: fix zeroed ramdisk pages on memo..., Eric W. Biederman, (Mon Oct 15, 6:37 pm)
[PATCH] rd: Preserve the dirty bit in init_page_buffers(), Eric W. Biederman, (Mon Oct 15, 6:40 pm)
Re: [PATCH] rd: Preserve the dirty bit in init_page_buffers(), Eric W. Biederman, (Tue Oct 16, 5:35 am)
[PATCH] rd: Mark ramdisk buffers heads dirty, Eric W. Biederman, (Mon Oct 15, 6:42 pm)
Re: [PATCH] rd: Mark ramdisk buffers heads dirty, Nick Piggin, (Tue Oct 16, 4:19 am)
Re: [PATCH] rd: Mark ramdisk buffers heads dirty, Eric W. Biederman, (Tue Oct 16, 3:06 pm)
Re: [PATCH] rd: Mark ramdisk buffers heads dirty, Nick Piggin, (Tue Oct 16, 6:06 pm)
Re: [PATCH] rd: Mark ramdisk buffers heads dirty, Christian Borntraeger, (Tue Oct 16, 4:48 am)
Re: [PATCH] rd: Mark ramdisk buffers heads dirty, Christian Borntraeger, (Tue Oct 16, 3:56 am)
Re: [PATCH] rd: Mark ramdisk buffers heads dirty, Christian Borntraeger, (Wed Oct 17, 12:14 pm)
Re: [PATCH] rd: Mark ramdisk buffers heads dirty, Eric W. Biederman, (Wed Oct 17, 1:57 pm)
Re: [PATCH] rd: Mark ramdisk buffers heads dirty, Christian Borntraeger, (Wed Oct 17, 5:48 pm)
Re: [PATCH] rd: Mark ramdisk buffers heads dirty, Eric W. Biederman, (Wed Oct 17, 6:22 pm)
Re: [PATCH] rd: Mark ramdisk buffers heads dirty, Christian Borntraeger, (Thu Oct 18, 5:26 am)
Re: [PATCH] rd: Mark ramdisk buffers heads dirty, Eric W. Biederman, (Fri Oct 19, 6:46 pm)
[PATCH] rd: Use a private inode for backing storage, Eric W. Biederman, (Fri Oct 19, 6:51 pm)
Re: [PATCH] rd: Use a private inode for backing storage, Nick Piggin, (Sun Oct 21, 12:28 am)
Re: [PATCH] rd: Use a private inode for backing storage, Eric W. Biederman, (Sun Oct 21, 1:10 am)
Re: [PATCH] rd: Use a private inode for backing storage, Eric W. Biederman, (Sun Oct 21, 2:48 am)
Re: [PATCH] rd: Use a private inode for backing storage, Eric W. Biederman, (Sun Oct 21, 1:56 pm)
Re: [PATCH] rd: Use a private inode for backing storage, Christian Borntraeger, (Sun Oct 21, 3:28 am)
Re: [PATCH] rd: Use a private inode for backing storage, Eric W. Biederman, (Sun Oct 21, 4:23 am)
Re: [PATCH] rd: Use a private inode for backing storage, Eric W. Biederman, (Sun Oct 21, 2:39 pm)
Re: [PATCH] rd: Mark ramdisk buffers heads dirty, Chris Mason, (Wed Oct 17, 3:14 pm)
Re: [PATCH] rd: Mark ramdisk buffers heads dirty, Eric W. Biederman, (Wed Oct 17, 4:29 pm)
Re: [PATCH] rd: Mark ramdisk buffers heads dirty, Chris Mason, (Wed Oct 17, 4:54 pm)
Re: [PATCH] rd: Mark ramdisk buffers heads dirty, Eric W. Biederman, (Wed Oct 17, 5:30 pm)
Re: [PATCH] rd: Mark ramdisk buffers heads dirty, Chris Mason, (Wed Oct 17, 6:58 pm)
Re: [PATCH] rd: Mark ramdisk buffers heads dirty, Eric W. Biederman, (Wed Oct 17, 7:28 pm)
Re: [PATCH] rd: Mark ramdisk buffers heads dirty, Chris Mason, (Wed Oct 17, 8:03 pm)
[RFC][PATCH] block: Isolate the buffer cache in it's own map..., Eric W. Biederman, (Wed Oct 17, 11:59 pm)
Re: [RFC][PATCH] block: Isolate the buffer cache in it's own..., Eric W. Biederman, (Fri Oct 19, 5:35 pm)
Re: [RFC][PATCH] block: Isolate the buffer cache in it's own..., Eric W. Biederman, (Fri Oct 19, 5:27 pm)
Re: [RFC][PATCH] block: Isolate the buffer cache in it's own..., Nick Piggin, (Sun Oct 21, 12:24 am)
Re: [RFC][PATCH] block: Isolate the buffer cache in it's own..., Eric W. Biederman, (Sun Oct 21, 12:53 am)
Re: [RFC][PATCH] block: Isolate the buffer cache in it's own..., Eric W. Biederman, (Sun Oct 21, 3:09 am)
Re: [PATCH] rd: Mark ramdisk buffers heads dirty, Eric W. Biederman, (Wed Oct 17, 11:27 pm)
Re: [PATCH] rd: Mark ramdisk buffers heads dirty, Eric W. Biederman, (Tue Oct 16, 5:22 am)