From: Eric Sandeen <sandeen@redhat.com>
To: "Jörn Engel" <joern@lazybastard.org>
Cc: Arnd Bergmann <arnd@arndb.de>,
Ulrich Drepper <drepper@redhat.com>,
Anton Altaparmakov <aia21@cam.ac.uk>,
Christoph Hellwig <hch@infradead.org>,
Dave Kleikamp <shaggy@linux.vnet.ibm.com>,
Andrew Morton <akpm@linux-foundation.org>,
"Amit K. Arora" <aarora@linux.vnet.ibm.com>,
linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-ext4@vger.kernel.org, suparna@in.ibm.com, cmm@us.ibm.com,
alex@clusterfs.com, suzuki@in.ibm.com
Subject: Re: [RFC] Heads up on sys_fallocate()
Date: Mon, 05 Mar 2007 16:00:06 -0600 [thread overview]
Message-ID: <45EC92E6.3030503@redhat.com> (raw)
In-Reply-To: <20070305114109.GA454@lazybastard.org>
Jörn Engel wrote:
> Does the allocation have to be persistent beyond lifetime of the file
> descriptor? It would be fairly simple to support the write guarantee
> while the file is open (or rather the inode remains cached) and drop it
> afterwards.
"The posix_fallocate() function shall ensure that any required storage
for regular file data starting at offset and continuing for len bytes is
allocated on the file system storage media."
I interpret "on the storage media" to mean that it is persistent.
-Eric
next prev parent reply other threads:[~2007-03-05 22:07 UTC|newest]
Thread overview: 340+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-01-17 9:46 [Resubmit][Patch 0/2] Persistent preallocation in ext4 Amit K. Arora
2007-01-17 10:13 ` [Patch 1/2] ioctl and uninitialized extents Amit K. Arora
2007-01-17 10:18 ` [Patch 2/2] support for writing to uninitialized extent Amit K. Arora
2007-01-17 22:20 ` [Resubmit][Patch 0/2] Persistent preallocation in ext4 Mingming Cao
2007-01-17 22:33 ` Eric Sandeen
2007-01-18 6:08 ` Amit K. Arora
2007-01-19 9:11 ` Amit K. Arora
2007-01-19 9:17 ` patch for fsx-linux Amit K. Arora
2007-01-19 9:22 ` small tool for unit testing Amit K. Arora
2007-02-07 7:48 ` Testing ext4 persistent preallocation patches for 64 bit features Amit K. Arora
2007-02-07 8:25 ` Mingming Cao
2007-02-07 10:36 ` Suparna Bhattacharya
2007-02-07 21:11 ` Andreas Dilger
2007-02-08 8:52 ` Amit K. Arora
2007-02-08 10:51 ` Amit K. Arora
2007-02-25 10:23 ` [Resubmit][Patch 0/2] Persistent preallocation in ext4 Andrew Morton
2007-03-01 18:34 ` [RFC] Heads up on sys_fallocate() Amit K. Arora
2007-03-01 19:15 ` Eric Sandeen
2007-03-02 10:45 ` Andreas Dilger
2007-03-02 13:17 ` Dave Kleikamp
2007-03-01 20:23 ` Jeff Garzik
2007-03-01 20:31 ` Jeremy Allison
2007-03-01 21:14 ` Jeremy Fitzhardinge
2007-03-01 22:58 ` Alan
2007-03-01 22:05 ` Jeremy Fitzhardinge
2007-03-01 23:11 ` Alan
2007-03-01 22:15 ` Jeremy Fitzhardinge
2007-03-01 22:25 ` Andrew Morton
2007-03-01 22:40 ` Nathan Scott
2007-03-01 22:39 ` Eric Sandeen
2007-03-01 22:52 ` Andrew Morton
2007-03-02 18:28 ` Mingming Cao
2007-03-05 12:27 ` Jan Kara
2007-03-05 20:02 ` Mingming Cao
2007-03-06 7:28 ` Christoph Hellwig
2007-03-06 14:36 ` Ulrich Drepper
2007-03-06 14:47 ` Christoph Hellwig
2007-03-06 14:50 ` Jan Kara
2007-03-06 18:23 ` Eric Sandeen
2007-03-07 8:51 ` Jan Kara
2007-03-07 11:30 ` Jörn Engel
2007-03-06 16:46 ` Eric Sandeen
2007-03-13 23:46 ` David Chinner
2007-03-05 21:41 ` Eric Sandeen
2007-03-01 22:41 ` Anton Blanchard
2007-03-01 22:44 ` Dave Kleikamp
2007-03-01 22:59 ` Andrew Morton
2007-03-01 23:09 ` Dave Kleikamp
2007-03-02 13:41 ` Jan Engelhardt
2007-03-02 18:09 ` Mingming Cao
2007-03-02 7:09 ` Ulrich Drepper
2007-03-01 23:38 ` Christoph Hellwig
2007-03-03 22:45 ` Arnd Bergmann
2007-03-04 20:11 ` Anton Altaparmakov
2007-03-04 20:53 ` Arnd Bergmann
2007-03-04 20:53 ` Arnd Bergmann
2007-03-04 22:38 ` Ulrich Drepper
2007-03-04 23:22 ` Anton Altaparmakov
2007-03-05 14:37 ` Theodore Tso
2007-03-05 15:07 ` Anton Altaparmakov
2007-03-05 15:15 ` Ulrich Drepper
2007-03-05 15:35 ` Christoph Hellwig
2007-03-05 16:01 ` Theodore Tso
2007-03-05 16:07 ` Ulrich Drepper
2007-03-05 0:16 ` Jörn Engel
2007-03-05 0:16 ` Jörn Engel
2007-03-05 0:32 ` Anton Altaparmakov
2007-03-05 0:35 ` Anton Altaparmakov
2007-03-05 0:44 ` Arnd Bergmann
2007-03-05 11:49 ` Jörn Engel
2007-03-05 11:49 ` Jörn Engel
2007-03-05 15:09 ` Ulrich Drepper
2007-03-05 0:36 ` Arnd Bergmann
2007-03-05 11:41 ` Jörn Engel
2007-03-05 15:08 ` Ulrich Drepper
2007-03-05 15:33 ` Jörn Engel
2007-03-05 15:33 ` Jörn Engel
2007-03-05 15:48 ` Ulrich Drepper
2007-03-05 22:00 ` Eric Sandeen [this message]
2007-03-05 4:23 ` Christoph Hellwig
2007-03-05 13:18 ` Christoph Hellwig
2007-03-01 23:29 ` Eric Sandeen
2007-03-01 23:51 ` Christoph Hellwig
2007-03-01 23:36 ` Christoph Hellwig
2007-03-02 6:03 ` Badari Pulavarty
2007-03-02 6:16 ` Andrew Morton
2007-03-02 13:23 ` Dave Kleikamp
2007-03-02 15:29 ` Ulrich Drepper
2007-03-02 15:16 ` Eric Sandeen
2007-03-02 16:13 ` Badari Pulavarty
2007-03-02 17:01 ` Andrew Morton
2007-03-02 17:19 ` Eric Sandeen
2007-03-16 14:31 ` [RFC][PATCH] sys_fallocate() system call Amit K. Arora
2007-03-16 15:21 ` Heiko Carstens
2007-03-19 9:24 ` Amit K. Arora
2007-03-19 11:23 ` Heiko Carstens
2007-03-16 16:17 ` Heiko Carstens
2007-03-17 9:59 ` Paul Mackerras
2007-03-17 11:07 ` Matthew Wilcox
2007-03-17 14:30 ` Heiko Carstens
2007-03-17 14:38 ` Stephen Rothwell
2007-03-17 14:42 ` Stephen Rothwell
2007-03-17 11:10 ` Matthew Wilcox
2007-03-21 12:04 ` Amit K. Arora
2007-03-21 21:35 ` Chris Wedgwood
2007-03-29 11:51 ` Interface for the new fallocate() " Amit K. Arora
2007-03-29 16:35 ` Chris Wedgwood
2007-03-29 17:01 ` Jan Engelhardt
2007-03-29 17:18 ` linux-os (Dick Johnson)
2007-03-29 17:18 ` linux-os (Dick Johnson)
2007-03-29 18:05 ` Jan Engelhardt
2007-03-29 18:37 ` Linus Torvalds
2007-03-30 7:00 ` Heiko Carstens
2007-03-29 17:10 ` Andrew Morton
2007-03-30 7:14 ` Jakub Jelinek
2007-03-30 8:39 ` Heiko Carstens
2007-03-30 8:39 ` Heiko Carstens
2007-03-30 9:15 ` Paul Mackerras
2007-03-30 9:15 ` Paul Mackerras
2007-04-05 11:26 ` Amit K. Arora
2007-04-05 11:44 ` Amit K. Arora
2007-04-05 15:50 ` Randy Dunlap
2007-04-06 9:58 ` Andreas Dilger
2007-04-17 12:55 ` Amit K. Arora
2007-04-18 13:06 ` Andreas Dilger
2007-04-20 13:51 ` Amit K. Arora
2007-04-20 14:59 ` Jakub Jelinek
2007-04-24 12:16 ` Amit K. Arora
2007-04-26 17:50 ` [PATCH 0/5] fallocate " Amit K. Arora
2007-04-26 18:03 ` [PATCH 1/5] fallocate() implementation in i86, x86_64 and powerpc Amit K. Arora
2007-05-04 4:29 ` Andrew Morton
2007-05-04 4:41 ` Paul Mackerras
2007-05-09 10:15 ` Suparna Bhattacharya
2007-05-09 10:50 ` Paul Mackerras
2007-05-09 11:10 ` Suparna Bhattacharya
2007-05-09 11:37 ` Paul Mackerras
2007-05-09 12:00 ` Martin Schwidefsky
2007-05-09 12:05 ` Amit K. Arora
2007-05-04 4:55 ` Andrew Morton
2007-05-04 6:07 ` David Chinner
2007-05-04 6:28 ` Andrew Morton
2007-05-04 6:56 ` Jakub Jelinek
2007-05-07 13:08 ` Ulrich Drepper
2007-05-04 7:27 ` David Chinner
2007-05-07 11:10 ` Amit K. Arora
2007-05-07 11:03 ` Amit K. Arora
2007-05-09 16:01 ` Amit K. Arora
2007-05-09 16:54 ` Andreas Dilger
2007-05-09 17:07 ` Mingming Cao
2007-05-10 0:59 ` David Chinner
2007-05-10 11:56 ` Amit K. Arora
2007-05-10 22:39 ` David Chinner
2007-05-11 11:03 ` Suparna Bhattacharya
2007-05-12 8:01 ` David Chinner
2007-06-12 6:16 ` Amit K. Arora
2007-06-12 8:11 ` David Chinner
2007-06-13 23:52 ` David Chinner
2007-06-14 9:14 ` Andreas Dilger
2007-06-14 12:04 ` David Chinner
2007-06-14 19:33 ` Andreas Dilger
2007-06-25 13:28 ` [PATCH 0/6][TAKE5] fallocate system call Amit K. Arora
2007-06-25 13:28 ` Amit K. Arora
2007-06-25 13:40 ` [PATCH 1/7][TAKE5] fallocate() implementation on i386, x86_64 and powerpc Amit K. Arora
2007-06-26 19:38 ` Heiko Carstens
2007-06-25 13:42 ` [PATCH 2/7][TAKE5] fallocate() on s390(x) Amit K. Arora
2007-06-26 15:15 ` Heiko Carstens
2007-06-25 13:43 ` [PATCH 3/7][TAKE5] fallocate() on ia64 Amit K. Arora
2007-06-25 13:45 ` [PATCH 4/7][TAKE5] support new modes in fallocate Amit K. Arora
2007-06-25 15:03 ` Amit K. Arora
2007-06-25 21:46 ` Andreas Dilger
2007-06-26 10:32 ` Amit K. Arora
2007-06-26 15:34 ` Andreas Dilger
2007-06-26 19:09 ` Amit K. Arora
2007-06-26 23:18 ` David Chinner
2007-06-28 18:19 ` Amit K. Arora
2007-06-28 23:39 ` Nathan Scott
2007-06-29 1:03 ` David Chinner
2007-06-30 10:21 ` Christoph Hellwig
2007-06-30 16:52 ` Andreas Dilger
2007-07-03 10:08 ` Amit K. Arora
2007-07-03 10:31 ` Christoph Hellwig
2007-07-03 11:46 ` Amit K. Arora
2007-07-04 5:37 ` Timothy Shimmin
2007-07-11 9:04 ` Christoph Hellwig
2007-07-11 9:03 ` Christoph Hellwig
2007-07-12 7:28 ` Suparna Bhattacharya
2007-07-12 8:26 ` Amit K. Arora
2007-07-12 14:40 ` Andreas Dilger
2007-07-12 13:13 ` David Chinner
2007-07-12 14:15 ` Amit K. Arora
2007-07-01 22:55 ` David Chinner
2007-07-02 11:47 ` Amit K. Arora
2007-07-11 9:05 ` Christoph Hellwig
2007-06-26 23:14 ` David Chinner
2007-06-27 3:49 ` Andreas Dilger
2007-06-27 13:36 ` David Chinner
2007-06-27 23:28 ` Nathan Scott
2007-06-28 0:39 ` David Chinner
2007-06-28 0:53 ` Nathan Scott
2007-06-30 10:26 ` Christoph Hellwig
2007-06-25 21:52 ` Andreas Dilger
2007-06-26 10:45 ` Amit K. Arora
2007-06-26 15:42 ` Andreas Dilger
2007-06-26 19:12 ` Amit K. Arora
2007-06-26 23:32 ` David Chinner
2007-06-26 23:26 ` David Chinner
2007-06-25 13:48 ` [PATCH 5/7][TAKE5] ext4: fallocate support in ext4 Amit K. Arora
2007-06-25 13:49 ` [PATCH 6/7][TAKE5] ext4: write support for preallocated blocks Amit K. Arora
2007-06-25 13:50 ` [PATCH 7/7][TAKE5] ext4: support new modes Amit K. Arora
2007-06-25 21:56 ` Andreas Dilger
2007-06-26 12:07 ` Amit K. Arora
2007-06-26 16:14 ` Andreas Dilger
2007-06-26 19:29 ` Amit K. Arora
2007-06-27 0:04 ` David Chinner
2007-06-28 18:07 ` Amit K. Arora
2007-06-26 23:15 ` [PATCH 0/6][TAKE5] fallocate system call David Chinner
2007-06-28 9:55 ` Andrew Morton
2007-06-28 17:36 ` Mingming Cao
2007-06-28 17:57 ` Amit K. Arora
2007-06-28 18:33 ` Andrew Morton
2007-06-28 18:45 ` Dave Kleikamp
2007-06-28 18:57 ` Jeff Garzik
2007-06-29 7:20 ` Christoph Hellwig
2007-06-29 13:56 ` Theodore Tso
2007-06-29 14:29 ` Jeff Garzik
2007-06-29 17:42 ` Theodore Tso
2007-06-29 15:50 ` Mingming Caoc
2007-06-29 20:57 ` Andrew Morton
2007-07-01 7:35 ` Ext4 patches for 2.6.22-rc6 Mingming Cao
2007-06-28 20:34 ` [PATCH 0/6][TAKE5] fallocate system call Andreas Dilger
2007-06-30 10:14 ` [PATCH 1/5] fallocate() implementation in i86, x86_64 and powerpc Christoph Hellwig
2007-04-26 18:07 ` [PATCH 2/5] fallocate() on s390 Amit K. Arora
2007-04-26 18:11 ` [PATCH 3/5] ext4: Extent overlap bugfix Amit K. Arora
2007-05-04 4:30 ` Andrew Morton
2007-05-07 11:46 ` Amit K. Arora
2007-04-26 18:13 ` [PATCH 4/5] ext4: fallocate support in ext4 Amit K. Arora
2007-05-04 4:31 ` Andrew Morton
2007-05-07 11:37 ` Andreas Dilger
2007-05-07 20:58 ` Andrew Morton
2007-05-07 22:21 ` Andreas Dilger
2007-05-07 22:38 ` Andrew Morton
2007-05-07 23:14 ` Theodore Tso
2007-05-07 23:31 ` Andrew Morton
2007-05-08 0:30 ` Mingming Cao
2007-05-07 23:02 ` Jeff Garzik
2007-05-07 23:36 ` Theodore Tso
2007-05-08 1:07 ` Andreas Dilger
2007-05-08 1:25 ` Jeff Garzik
2007-05-08 0:00 ` Mingming Cao
2007-05-08 0:15 ` Andrew Morton
2007-05-08 0:41 ` Mingming Cao
2007-05-08 1:43 ` Theodore Tso
2007-05-08 16:52 ` Andreas Dilger
2007-05-08 17:46 ` Mingming Cao
2007-05-14 13:34 ` Jan Kara
2007-05-07 12:07 ` Amit K. Arora
2007-05-07 15:24 ` Dave Kleikamp
2007-05-08 10:52 ` Amit K. Arora
2007-05-08 14:47 ` Dave Kleikamp
2007-04-26 18:16 ` [PATCH 5/5] ext4: write support for preallocated blocks/extents Amit K. Arora
2007-05-04 4:32 ` Andrew Morton
2007-05-07 12:11 ` Amit K. Arora
2007-05-07 12:40 ` Pekka Enberg
2007-05-07 13:04 ` Amit K. Arora
2007-04-27 12:10 ` [PATCH 0/5] fallocate system call Heiko Carstens
2007-04-27 14:43 ` Jörn Engel
2007-04-27 17:46 ` Heiko Carstens
2007-04-27 17:46 ` Heiko Carstens
2007-04-27 20:42 ` Chris Wedgwood
2007-04-30 0:47 ` David Chinner
2007-04-30 3:09 ` [PATCH] ia64 fallocate syscall David Chinner
2007-04-30 3:11 ` [PATCH] XFS ->fallocate() support David Chinner
2007-04-30 3:14 ` [PATCH] Add preallocation beyond EOF to fallocate David Chinner
2007-04-30 5:25 ` [PATCH 0/5] fallocate system call Chris Wedgwood
2007-04-30 5:56 ` David Chinner
2007-04-30 6:01 ` Chris Wedgwood
2007-05-02 12:53 ` Amit K. Arora
2007-05-03 10:34 ` Andreas Dilger
2007-05-03 11:22 ` Miquel van Smoorenburg
2007-05-08 2:26 ` David Chinner
2007-05-14 13:29 ` [PATCH 0/5][TAKE2] " Amit K. Arora
2007-05-14 13:29 ` Amit K. Arora
[not found] ` <20070514142820.GA31468@amitarora.in.ibm.com>
2007-05-14 14:45 ` [PATCH 1/5][TAKE2] fallocate() implementation on i86, x86_64 and powerpc Amit K. Arora
2007-05-14 23:44 ` Stephen Rothwell
2007-05-14 23:44 ` Stephen Rothwell
2007-05-15 13:23 ` Amit K. Arora
2007-05-18 21:36 ` Theodore Tso
2007-05-18 23:10 ` Mingming Cao
2007-05-20 12:39 ` Dave Kleikamp
2007-05-21 5:38 ` Theodore Tso
2007-05-14 14:48 ` [PATCH 2/5][TAKE2] fallocate() on s390 Amit K. Arora
2007-05-14 15:33 ` [PATCH 2/5][TAKE2] fallocate() on s390 - glibc wrapper Amit K. Arora
2007-05-14 14:50 ` [PATCH 3/5][TAKE2] ext4: Extent overlap bugfix Amit K. Arora
2007-05-14 14:52 ` [PATCH 4/5][TAKE2] ext4: fallocate support in ext4 Amit K. Arora
2007-05-14 14:54 ` [PATCH 5/5][TAKE2] ext4: write support for preallocated blocks Amit K. Arora
2007-05-15 6:31 ` [PATCH 0/5][TAKE2] fallocate system call Andreas Dilger
2007-05-15 12:40 ` Amit K. Arora
2007-05-15 12:40 ` Amit K. Arora
2007-05-15 19:37 ` [PATCH 0/5][TAKE3] " Amit K. Arora
2007-05-15 19:37 ` Amit K. Arora
[not found] ` <20070515195421.GA2948@amitarora.in.ibm.com>
2007-05-15 20:03 ` [PATCH 1/5][TAKE3] fallocate() implementation on i86, x86_64 and powerpc Amit K. Arora
2007-05-16 0:42 ` Mingming Cao
2007-05-16 12:31 ` Amit K. Arora
2007-05-16 3:16 ` David Chinner
2007-05-16 12:21 ` Dave Kleikamp
2007-05-16 12:37 ` Amit K. Arora
2007-05-16 23:40 ` David Chinner
2007-05-17 12:10 ` Dave Kleikamp
2007-05-17 12:28 ` Amit K. Arora
2007-05-15 20:10 ` [PATCH 2/5][TAKE3] fallocate() on s390 Amit K. Arora
2007-05-15 20:13 ` [PATCH 3/5][TAKE3] ext4: Extent overlap bugfix Amit K. Arora
2007-05-15 20:16 ` [PATCH 4/5][TAKE3] ext4: fallocate support in ext4 Amit K. Arora
2007-05-15 20:18 ` [PATCH 5/5][TAKE3] ext4: write support for preallocated blocks Amit K. Arora
2007-05-15 23:52 ` [PATCH 0/5][TAKE3] fallocate system call Mingming Cao
2007-05-17 14:11 ` [PATCH 0/6][TAKE4] " Amit K. Arora
2007-05-17 14:11 ` Amit K. Arora
[not found] ` <20070517141458.GA26641@amitarora.in.ibm.com>
2007-05-17 14:23 ` [PATCH 1/6][TAKE4] fallocate() implementation on i86, x86_64 and powerpc Amit K. Arora
2007-05-17 14:25 ` [PATCH 2/6][TAKE4] fallocate() on s390 Amit K. Arora
2007-05-17 14:25 ` [PATCH 3/6][TAKE4] fallocate() on ia64 Amit K. Arora
2007-05-17 14:26 ` [PATCH 4/6][TAKE4] ext4: Extent overlap bugfix Amit K. Arora
2007-05-17 14:29 ` [PATCH 5/6][TAKE4] ext4: fallocate support in ext4 Amit K. Arora
2007-05-17 14:30 ` [PATCH 6/6][TAKE4] ext4: write support for preallocated blocks Amit K. Arora
2007-05-19 6:44 ` [PATCH 0/6][TAKE4] fallocate system call Andrew Morton
2007-05-21 5:24 ` Mingming Cao
2007-05-21 5:24 ` Mingming Cao
2007-03-30 7:19 ` Interface for the new fallocate() " Heiko Carstens
2007-03-30 9:15 ` Paul Mackerras
2007-03-30 10:44 ` Jörn Engel
2007-03-30 10:44 ` Jörn Engel
2007-03-30 12:55 ` Heiko Carstens
2007-03-30 12:55 ` Heiko Carstens
2007-04-09 13:01 ` Paul Mackerras
2007-04-09 13:01 ` Paul Mackerras
2007-04-09 16:34 ` Jörn Engel
2007-04-09 16:34 ` Jörn Engel
2007-03-30 10:44 ` Jörn Engel
2007-03-30 9:15 ` Paul Mackerras
2007-03-17 5:33 ` [RFC][PATCH] sys_fallocate() " Stephen Rothwell
2007-03-19 9:30 ` Amit K. Arora
2007-03-17 14:53 ` Russell King
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