From: "Andi Kleen" <andi@firstfloor.org>
To: "Martin K. Petersen" <martin.petersen@oracle.com>
Cc: djwong@us.ibm.com, "Greg Freemyer" <greg.freemyer@gmail.com>,
"Andreas Dilger" <adilger.kernel@dilger.ca>,
"Theodore Tso" <tytso@mit.edu>,
"Sunil Mushran" <sunil.mushran@oracle.com>,
"Amir Goldstein" <amir73il@gmail.com>,
"linux-kernel" <linux-kernel@vger.kernel.org>,
"Andi Kleen" <andi@firstfloor.org>,
"Mingming Cao" <cmm@us.ibm.com>,
"Joel Becker" <jlbec@evilplan.org>,
"linux-fsdevel" <linux-fsdevel@vger.kernel.org>,
linux-ext4@vger.kernel.org, "Coly Li" <colyli@gmail.com>
Subject: Re: [PATCH v1 00/16] ext4: Add metadata checksumming
Date: Sun, 4 Sep 2011 18:54:28 +0200 [thread overview]
Message-ID: <6fdb58aed1dae8020900e65cbfb34b28.squirrel@www.firstfloor.org> (raw)
In-Reply-To: <yq1d3fgwn5c.fsf@sermon.lab.mkp.net>
> On Westmere and beyond it is possible to accelerate generic CRC
> calculation using the PCLMULQDQ operation. There are many of our CRC
Faster than the lookup table? That's hard to believe.
-Andi
next prev parent reply other threads:[~2011-09-04 16:54 UTC|newest]
Thread overview: 50+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-09-01 0:30 [PATCH v1 00/16] ext4: Add metadata checksumming Darrick J. Wong
2011-09-01 0:30 ` [PATCH 01/16] ext4: ext4_dx_add_entry should dirty directory metadata with the directory inode Darrick J. Wong
2011-09-01 0:30 ` [PATCH 02/16] ext4: ext4_rename should dirty dir_bh with the correct directory Darrick J. Wong
2011-09-01 0:30 ` [PATCH 03/16] ext4: ext4_mkdir should dirty dir_block with the parent inode Darrick J. Wong
2011-09-01 0:30 ` [PATCH 04/16] ext4: Create a new BH_Verified flag to avoid unnecessary metadata validation Darrick J. Wong
2011-09-01 0:31 ` [PATCH 05/16] ext4: Create a rocompat flag for extended metadata checksumming Darrick J. Wong
2011-09-01 0:31 ` [PATCH 06/16] ext4: Calculate and verify inode checksums Darrick J. Wong
2011-09-01 2:30 ` Andreas Dilger
2011-09-02 19:32 ` Darrick J. Wong
2011-09-02 22:02 ` Andreas Dilger
2011-09-05 17:57 ` Darrick J. Wong
2011-09-01 0:31 ` [PATCH 07/16] ext4: Create bitmap checksum helper functions Darrick J. Wong
2011-09-01 0:31 ` [PATCH 08/16] ext4: Calculate and verify checksums for inode bitmaps Darrick J. Wong
2011-09-01 4:49 ` Andreas Dilger
2011-09-02 19:18 ` Darrick J. Wong
2011-09-02 21:27 ` Andreas Dilger
2011-09-05 18:22 ` Darrick J. Wong
2011-09-05 18:27 ` Andi Kleen
2011-09-05 19:45 ` James Bottomley
2011-09-05 22:12 ` Darrick J. Wong
2011-09-01 0:31 ` [PATCH 09/16] ext4: Calculate and verify block bitmap checksum Darrick J. Wong
[not found] ` <2492E720-3316-4561-8C9C-BBC6E8670EAD@dilger.ca>
2011-09-02 19:08 ` Darrick J. Wong
2011-09-02 21:06 ` Andreas Dilger
2011-09-01 0:31 ` [PATCH 10/16] ext4: Verify and calculate checksums for extent tree blocks Darrick J. Wong
[not found] ` <26584BE9-B716-40D5-B3B4-8C5912869648@dilger.ca>
2011-09-02 19:02 ` Darrick J. Wong
2011-09-01 0:31 ` [PATCH 11/16] ext4: Calculate and verify checksums for htree nodes Darrick J. Wong
2011-09-01 0:31 ` [PATCH 12/16] ext4: Calculate and verify checksums of directory leaf blocks Darrick J. Wong
[not found] ` <4D5D8FB2-0D8A-4D30-B6D8-51158395C1C9@dilger.ca>
2011-09-02 18:57 ` Darrick J. Wong
2011-09-02 20:52 ` Andreas Dilger
2011-09-05 18:30 ` Darrick J. Wong
2011-09-01 0:32 ` [PATCH 13/16] ext4: Calculate and verify checksums of extended attribute blocks Darrick J. Wong
[not found] ` <F4A42DCE-F91C-419B-9153-65A7EA91D241@dilger.ca>
2011-09-02 18:43 ` Darrick J. Wong
2011-09-01 0:32 ` [PATCH 14/16] ext4: Make inode checksum cover empty space Darrick J. Wong
[not found] ` <4540D5DB-53D9-4C33-BC6B-868870D42AF3@dilger.ca>
2011-09-02 18:42 ` Darrick J. Wong
2011-09-01 0:32 ` [PATCH 15/16] ext4: Calculate and verify superblock checksum Darrick J. Wong
[not found] ` <2882FBB2-797C-4D27-8569-B6826DD34F68@dilger.ca>
2011-09-02 18:40 ` Darrick J. Wong
2011-09-01 0:32 ` [PATCH 16/16] jbd2: Support CRC32C transaction checksums Darrick J. Wong
[not found] ` <99019900-30B1-450A-9620-E94371A30CC6@dilger.ca>
2011-09-02 18:31 ` Darrick J. Wong
2011-09-02 14:15 ` [PATCH v1 00/16] ext4: Add metadata checksumming Greg Freemyer
2011-09-02 14:15 ` Greg Freemyer
2011-09-02 18:22 ` Darrick J. Wong
2011-09-02 18:22 ` Darrick J. Wong
2011-09-04 11:41 ` Martin K. Petersen
2011-09-04 16:54 ` Andi Kleen [this message]
2011-09-04 17:17 ` Martin K. Petersen
2011-09-04 17:44 ` Andi Kleen
2011-09-04 22:19 ` Martin K. Petersen
2011-09-05 18:55 ` Darrick J. Wong
2011-09-05 18:45 ` Darrick J. Wong
2011-09-06 12:59 ` Martin K. Petersen
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