All of lore.kernel.org
 help / color / mirror / Atom feed
From: Jim Meyering <jim@meyering.net>
To: linux-fsdevel@vger.kernel.org
Cc: Hugh Dickins <hughd@google.com>
Subject: Re: [PATCH 1/3] tmpfs: revert SEEK_DATA and SEEK_HOLE
Date: Tue, 31 Jul 2012 16:42:58 +0200	[thread overview]
Message-ID: <871ujsxa8d.fsf@rho.meyering.net> (raw)
In-Reply-To: <877gtkxatx.fsf@rho.meyering.net> (Jim Meyering's message of "Tue, 31 Jul 2012 16:30:02 +0200")

Jim Meyering wrote:
> Hugh Dickins wrote:
>> On Thu, 12 Jul 2012, Jeff Liu wrote:
>> > On 07/12/2012 07:01 AM, Dave Chinner wrote:
>> > > On Wed, Jul 11, 2012 at 11:55:34AM -0700, Hugh Dickins wrote:
>> > >>
>> > >> But your vote would count for a lot more if you know of some app which
>> > >> would really benefit from this functionality in tmpfs: I've heard
>> > >> of none.
> ...
> [Jeff mentioned "cp"]
>
> grep is another tool that would benefit.
> I often put very large files (often sparse, too) on tmpfs file systems
> and would like "grep -r PAT /tmp" to work well in spite of those files.
>
> Please consider restoring SEEK_HOLE/SEEK_DATA support for tmpfs.

Also, lseek's SEEK_HOLE/SEEK_DATA support is slated to be required
by POSIX 2008: http://austingroupbugs.net/view.php?id=415

  reply	other threads:[~2012-07-31 14:43 UTC|newest]

Thread overview: 34+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-07-09 22:35 [PATCH 0/3] shmem/tmpfs: three late patches Hugh Dickins
2012-07-09 22:35 ` Hugh Dickins
2012-07-09 22:41 ` [PATCH 1/3] tmpfs: revert SEEK_DATA and SEEK_HOLE Hugh Dickins
2012-07-09 22:41   ` Hugh Dickins
2012-07-11  6:07   ` Cong Wang
2012-07-11  6:07     ` Cong Wang
2012-07-11 18:55     ` Hugh Dickins
2012-07-11 18:55       ` Hugh Dickins
2012-07-11 23:01       ` Dave Chinner
2012-07-11 23:01         ` Dave Chinner
2012-07-12  2:50         ` Hugh Dickins
2012-07-12  2:50           ` Hugh Dickins
2012-07-12  3:21         ` Jeff Liu
2012-07-12  3:21           ` Jeff Liu
2012-07-16  9:28           ` Hugh Dickins
2012-07-16  9:28             ` Hugh Dickins
2012-07-17  6:15             ` Jeff Liu
2012-07-17  6:15               ` Jeff Liu
2012-07-31 14:30             ` Jim Meyering
2012-07-31 14:42               ` Jim Meyering [this message]
2012-08-08  2:08               ` Hugh Dickins
2012-08-14 17:03                 ` Paul Eggert
2012-07-09 22:44 ` [PATCH 2/3] shmem: fix negative rss in memcg memory.stat Hugh Dickins
2012-07-09 22:44   ` Hugh Dickins
2012-07-10 12:41   ` Johannes Weiner
2012-07-10 12:41     ` Johannes Weiner
2012-07-11 18:15     ` Hugh Dickins
2012-07-11 18:15       ` Hugh Dickins
2012-07-09 22:46 ` [PATCH 3/3] shmem: cleanup shmem_add_to_page_cache Hugh Dickins
2012-07-09 22:46   ` Hugh Dickins
2012-07-10 13:01   ` Johannes Weiner
2012-07-10 13:01     ` Johannes Weiner
2012-07-09 23:39 ` [PATCH 0/3] shmem/tmpfs: three late patches Andrew Morton
2012-07-09 23:39   ` Andrew Morton

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=871ujsxa8d.fsf@rho.meyering.net \
    --to=jim@meyering.net \
    --cc=hughd@google.com \
    --cc=linux-fsdevel@vger.kernel.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body. 
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.