git.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: Charles Bailey <charles@hashpling.org>
To: Johannes Schindelin <Johannes.Schindelin@gmx.de>
Cc: Johannes Sixt <j.sixt@viscovery.net>,
	Junio C Hamano <gitster@pobox.com>,
	Linus Torvalds <torvalds@linux-foundation.org>,
	Git Mailing List <git@vger.kernel.org>,
	"Shawn O. Pearce" <spearce@spearce.org>
Subject: Re: Be more careful about updating refs
Date: Thu, 17 Jan 2008 13:07:40 +0000	[thread overview]
Message-ID: <20080117130740.GA30090@hashpling.org> (raw)
In-Reply-To: <alpine.LSU.1.00.0801171256280.17650@racer.site>

On Thu, Jan 17, 2008 at 12:58:07PM +0000, Johannes Schindelin wrote:
> 
> Just a wild guess... Could it be that the mmap() happened before contents 
> were written to that fd?  The faked mmap() is just a malloc() && pread(), 
> and would thus miss out on changes written after the mmap() call.

This would be my guess too.  As far as I can tell fast-import is
creating objects directly in a packfile.  I'm guessing here, but the
new checking code is probably being triggered to check (for example)
the parent ref for commits that fast-import is creating and the check
only works if mmap can successfully examine objects in the
still-being-written packfile.

  reply	other threads:[~2008-01-17 13:08 UTC|newest]

Thread overview: 36+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-01-15 23:50 Be more careful about updating refs Linus Torvalds
2008-01-16  0:02 ` Linus Torvalds
2008-01-16 19:52   ` Junio C Hamano
2008-01-17  9:15     ` Charles Bailey
2008-01-17 10:52       ` Johannes Sixt
2008-01-17 11:01         ` Charles Bailey
2008-01-17 12:41           ` Johannes Sixt
2008-01-17 12:58             ` Johannes Schindelin
2008-01-17 13:07               ` Charles Bailey [this message]
2008-01-18  1:43             ` Junio C Hamano
2008-01-18  2:01               ` Junio C Hamano
2008-01-18  2:13                 ` Shawn O. Pearce
2008-01-18  2:25                   ` Junio C Hamano
2008-01-18  2:33                     ` Shawn O. Pearce
2008-01-18  2:58                       ` Shawn O. Pearce
2008-01-18  3:18                         ` Shawn O. Pearce
2008-01-18  3:22                           ` Shawn O. Pearce
     [not found]                             ` <20080118035700.GA3458@spearce.org>
2008-01-18  4:27                               ` [PATCH] Fix random fast-import errors when compiled with NO_MMAP Linus Torvalds
2008-01-18  8:42                                 ` Charles Bailey
2008-01-18 17:08                                   ` Linus Torvalds
2008-01-19  3:25                                     ` Junio C Hamano
2008-01-19  3:55                                       ` Linus Torvalds
2008-01-21  3:57                                       ` Shawn O. Pearce
2008-01-18  6:10                               ` Junio C Hamano
2008-01-21  4:10                                 ` Shawn O. Pearce
2008-01-18  7:53                               ` Johannes Sixt
2008-01-18  9:26                               ` Charles Bailey
2008-01-18  9:36                                 ` Junio C Hamano
2008-01-18  9:45                                   ` Charles Bailey
2008-01-18 10:57                                     ` Junio C Hamano
2008-01-18  2:30               ` Be more careful about updating refs Shawn O. Pearce
2008-01-17 10:56       ` Charles Bailey
2008-01-16  0:29 ` Junio C Hamano
2008-01-16  0:42   ` Linus Torvalds
2008-01-16  1:11 ` Junio C Hamano
2008-01-23 22:53 ` Sam Vilain

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=20080117130740.GA30090@hashpling.org \
    --to=charles@hashpling.org \
    --cc=Johannes.Schindelin@gmx.de \
    --cc=git@vger.kernel.org \
    --cc=gitster@pobox.com \
    --cc=j.sixt@viscovery.net \
    --cc=spearce@spearce.org \
    --cc=torvalds@linux-foundation.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 a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).