From: Mark Lord <kernel@teksavvy.com>
To: Ted Ts'o <tytso@mit.edu>, Lukas Czerner <lczerner@redhat.com>,
Steven Whitehouse <swhiteho@redhat.com>,
James Bottomley <James.Bottomley@suse.de>,
Christoph Hellwig <hch@infradead.org
Subject: Re: [PATCH 1/2] fs: Do not dispatch FITRIM through separate super_operation
Date: Fri, 19 Nov 2010 17:49:58 -0500 [thread overview]
Message-ID: <4CE6FF16.90701__22895.487471442$1290207043$gmane$org@teksavvy.com> (raw)
In-Reply-To: <20101119163013.GJ10039@thunk.org>
On 10-11-19 11:30 AM, Ted Ts'o wrote:
>
> If there are some incompetently implemented SSD's out there which do a
> flash erase of the entire SSD upon receiving a TRIM command (new
> flash! Part of the whole *point* of a TRIM was to increase write
> endurance by eliminating the need to copy blocks that really weren't
> in use any more by the OS when the SSD is doing a GC copy/compaction
> of a partially written flash sector), all I can do is do a sigh, and
> wish that T13 had defined a "comptently implemented SSD bit" --- not
> that Indilinix would admit if it they were incompetent. :-/
The Sandforce drives seem even slower for mke2fs than the Indilinx.
And both types are faster than the Intel units for desktop use.
At least they optimized for the important commands. :)
Cheers
next prev parent reply other threads:[~2010-11-19 22:50 UTC|newest]
Thread overview: 106+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-11-18 7:36 [PATCH 1/2] fs: Do not dispatch FITRIM through separate super_operation Lukas Czerner
2010-11-18 7:36 ` [PATCH 2/2] ext4: Add EXT4_IOC_TRIM ioctl to handle batched discard Lukas Czerner
2010-11-19 16:19 ` Ted Ts'o
2010-11-19 16:26 ` Lukas Czerner
2010-11-20 1:37 ` Ted Ts'o
2010-11-18 13:06 ` [PATCH 1/2] fs: Do not dispatch FITRIM through separate super_operation Matthew Wilcox
2010-11-18 13:48 ` Josef Bacik
2010-11-18 14:19 ` Matthew Wilcox
2010-11-18 14:29 ` Christoph Hellwig
2010-11-18 17:19 ` James Bottomley
2010-11-18 17:22 ` Jeff Moyer
2010-11-18 17:41 ` James Bottomley
2010-11-18 20:04 ` Greg Freemyer
2010-11-18 20:04 ` Greg Freemyer
2010-11-18 21:42 ` Mark Lord
2010-11-18 21:44 ` Mark Lord
2010-11-18 21:50 ` James Bottomley
2010-11-18 22:07 ` Mark Lord
2010-11-19 1:33 ` Ted Ts'o
2010-11-19 3:44 ` Mark Lord
2010-11-19 3:44 ` Mark Lord
2010-11-19 3:44 ` Mark Lord
2010-11-19 13:58 ` Jeff Moyer
2010-11-18 23:52 ` Martin K. Petersen
2010-11-19 0:34 ` Mark Lord
2010-11-19 1:16 ` Greg Freemyer
2010-11-19 1:16 ` Greg Freemyer
2010-11-19 11:55 ` Christoph Hellwig
2010-11-19 14:01 ` Mark Lord
2010-11-19 14:06 ` Christoph Hellwig
2010-11-19 14:48 ` Mark Lord
2010-11-19 14:54 ` Christoph Hellwig
2010-11-19 15:24 ` Mark Lord
2010-11-19 15:34 ` Christoph Hellwig
2010-11-19 16:20 ` Greg Freemyer
2010-11-19 16:38 ` Christoph Hellwig
2010-11-19 18:06 ` Lukas Czerner
2010-11-19 18:10 ` Lukas Czerner
2010-11-19 18:14 ` Lukas Czerner
2010-11-19 19:29 ` Chris Mason
2010-11-19 1:49 ` Martin K. Petersen
2010-11-19 3:42 ` Mark Lord
2010-11-18 18:05 ` Jamie Lokier
2010-11-18 19:32 ` Markus Trippelsdorf
2010-11-18 21:45 ` Mark Lord
2010-11-18 21:50 ` Markus Trippelsdorf
2010-11-18 22:09 ` Mark Lord
2010-11-18 17:35 ` Lukas Czerner
2010-11-19 12:16 ` Steven Whitehouse
2010-11-19 13:53 ` Mark Lord
2010-11-19 14:02 ` Ted Ts'o
2010-11-19 14:10 ` Christoph Hellwig
2010-11-19 14:10 ` Christoph Hellwig
2010-11-19 14:10 ` Christoph Hellwig
2010-11-19 15:37 ` Ted Ts'o
2010-11-19 15:50 ` Christoph Hellwig
2010-11-19 15:50 ` Christoph Hellwig
2010-11-19 15:50 ` Christoph Hellwig
2010-11-19 16:16 ` Ted Ts'o
2010-11-19 14:50 ` Mark Lord
2010-11-19 14:50 ` Mark Lord
2010-11-19 14:50 ` Mark Lord
2010-11-19 15:35 ` Mark Lord
2010-11-19 15:35 ` Mark Lord
2010-11-19 15:35 ` Mark Lord
2010-11-19 15:44 ` Lukas Czerner
2010-11-19 16:30 ` Ted Ts'o
2010-11-19 22:49 ` Mark Lord
2010-11-19 22:49 ` Mark Lord
2010-11-19 22:49 ` Mark Lord [this message]
2010-11-25 2:48 ` Mark Lord
2010-11-25 2:48 ` Mark Lord
2010-11-25 2:48 ` Mark Lord
2010-11-25 4:23 ` Martin K. Petersen
2010-11-25 14:44 ` Mark Lord
2010-11-25 4:41 ` Greg Freemyer
2010-11-25 4:41 ` Greg Freemyer
2010-11-25 14:53 ` Mark Lord
2010-11-25 16:24 ` Greg Freemyer
2010-11-25 16:24 ` Greg Freemyer
2010-11-26 13:49 ` Mark Lord
2010-11-26 14:00 ` Lukas Czerner
2010-11-18 17:55 ` Chris Mason
2010-12-03 18:24 ` Ric Wheeler
2010-11-18 21:37 ` Mark Lord
2010-11-19 11:09 ` Christoph Hellwig
2010-11-19 13:54 ` Mark Lord
2010-11-19 14:40 ` Chris Mason
2010-11-19 14:53 ` Mark Lord
2010-11-19 14:57 ` Christoph Hellwig
2010-11-19 15:21 ` Mark Lord
2010-12-07 9:27 ` Christoph Hellwig
2010-12-07 16:52 ` Chris Mason
2011-06-02 4:52 ` Kyungmin Park
2011-06-02 8:14 ` Lukas Czerner
2011-06-03 2:06 ` Dave Chinner
2011-06-03 2:06 ` Dave Chinner
2011-06-03 4:25 ` Kyungmin Park
2011-06-03 4:25 ` Kyungmin Park
2010-11-19 15:30 ` Mark Lord
2010-11-21 19:07 ` Valdis.Kletnieks
2010-11-21 20:20 ` James Bottomley
2010-11-18 14:31 ` Josef Bacik
2010-11-18 14:36 ` Tao Ma
2010-11-19 15:41 ` Ted Ts'o
2010-11-19 15:50 ` Christoph Hellwig
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