From: Jeff King <peff@peff.net>
To: Michael Haggerty <mhagger@alum.mit.edu>
Cc: Junio C Hamano <gitster@pobox.com>, git@vger.kernel.org
Subject: Re: [PATCH 07/22] lock_file(): always add lock_file object to lock_file_list
Date: Mon, 7 Apr 2014 05:36:50 -0400 [thread overview]
Message-ID: <20140407093650.GA4252@sigill.intra.peff.net> (raw)
In-Reply-To: <5341CD33.3000205@alum.mit.edu>
On Sun, Apr 06, 2014 at 11:54:59PM +0200, Michael Haggerty wrote:
> > I didn't reproduce it experimentally, though. We should be able to just
> >
> > lk->owner = 0;
> >
> > before the initial strcpy to fix it, I would think.
>
> I think that using the owner field to avoid this problem is a bit
> indirect, so I will soon submit a fix that involves adding a flag to
> lock_file objects indicating whether the filename field currently
> contains the name of a file that needs to be deleted.
Yeah, I agree that the current code is a bit subtle. I was planning to
address this during the tempfile cleanup project (either in GSoC, if it
gets a slot, or just doing it myself). But I don't mind if you want to
do something in the interim.
-Peff
next prev parent reply other threads:[~2014-04-07 9:36 UTC|newest]
Thread overview: 62+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-04-01 15:58 [PATCH 00/22] Lockfile refactoring and pre-activation Michael Haggerty
2014-04-01 15:58 ` [PATCH 01/22] t3204: test deleting references when lock files already exist Michael Haggerty
2014-04-01 19:53 ` Jeff King
2014-04-02 10:28 ` Michael Haggerty
2014-04-01 15:58 ` [PATCH 02/22] try_merge_strategy(): remove redundant lock_file allocation Michael Haggerty
2014-04-01 19:56 ` Jeff King
2014-04-02 10:53 ` Michael Haggerty
2014-04-02 16:53 ` Junio C Hamano
2014-04-03 12:43 ` Michael Haggerty
2014-04-01 15:58 ` [PATCH 03/22] rollback_lock_file(): do not clear filename redundantly Michael Haggerty
2014-04-01 15:58 ` [PATCH 04/22] rollback_lock_file(): set fd to -1 Michael Haggerty
2014-04-01 19:59 ` Jeff King
2014-04-02 16:58 ` Junio C Hamano
2014-04-06 21:45 ` Michael Haggerty
2014-04-07 16:37 ` Junio C Hamano
2014-04-01 15:58 ` [PATCH 05/22] lockfile: unlock file if lockfile permissions cannot be adjusted Michael Haggerty
2014-04-01 20:02 ` Jeff King
2014-04-01 20:05 ` Jeff King
2014-04-02 6:47 ` Torsten Bögershausen
2014-04-06 22:02 ` Michael Haggerty
2014-04-01 15:58 ` [PATCH 06/22] hold_lock_file_for_append(): release lock on errors Michael Haggerty
2014-04-01 15:58 ` [PATCH 07/22] lock_file(): always add lock_file object to lock_file_list Michael Haggerty
2014-04-01 20:16 ` Jeff King
2014-04-02 17:01 ` Junio C Hamano
2014-04-06 21:54 ` Michael Haggerty
2014-04-07 9:36 ` Jeff King [this message]
2014-04-01 15:58 ` [PATCH 08/22] struct lock_file: replace on_list field with flags field Michael Haggerty
2014-04-01 15:58 ` [PATCH 09/22] api-lockfile: expand the documentation Michael Haggerty
2014-04-01 20:19 ` Jeff King
2014-04-02 11:36 ` Michael Haggerty
2014-04-01 15:58 ` [PATCH 10/22] lockfile.c: document the various states of lock_file objects Michael Haggerty
2014-04-01 15:58 ` [PATCH 11/22] lockfile: define a constant LOCK_SUFFIX_LEN Michael Haggerty
2014-04-02 17:27 ` Junio C Hamano
2014-04-01 15:58 ` [PATCH 12/22] delete_ref_loose(): don't muck around in the lock_file's filename Michael Haggerty
2014-04-01 20:21 ` Jeff King
2014-04-02 11:50 ` Michael Haggerty
2014-04-02 6:52 ` Torsten Bögershausen
2014-04-02 6:55 ` Jeff King
2014-04-01 15:58 ` [PATCH 13/22] config: change write_error() to take a (struct lock_file *) argument Michael Haggerty
2014-04-02 6:58 ` Torsten Bögershausen
2014-04-06 22:04 ` Michael Haggerty
2014-04-02 17:29 ` Junio C Hamano
2014-04-01 15:58 ` [PATCH 14/22] lockfile: use strbufs when handling (most) paths Michael Haggerty
2014-04-01 20:28 ` Jeff King
2014-04-02 17:16 ` Junio C Hamano
2014-04-01 15:58 ` [PATCH 15/22] resolve_symlink(): use a strbuf internally Michael Haggerty
2014-04-01 15:58 ` [PATCH 16/22] commit_lock_file(): don't work with a fixed-length buffer Michael Haggerty
2014-04-01 15:58 ` [PATCH 17/22] lock_file(): exit early if lockfile cannot be opened Michael Haggerty
2014-04-01 15:58 ` [PATCH 18/22] lockfile: also keep track of the filename of the file being locked Michael Haggerty
2014-04-02 17:19 ` Junio C Hamano
2014-04-06 22:05 ` Michael Haggerty
2014-04-01 15:58 ` [PATCH 19/22] struct lock_file: rename lock_filename field to staging_filename Michael Haggerty
2014-04-01 15:58 ` [PATCH 20/22] remove_lock_file(): call rollback_lock_file() Michael Haggerty
2014-04-01 15:58 ` [PATCH 21/22] lockfile: extract a function reset_lock_file() Michael Haggerty
2014-04-02 7:06 ` Eric Sunshine
2014-04-02 13:37 ` Michael Haggerty
2014-04-01 15:58 ` [PATCH 22/22] lockfile: allow new file contents to be written while retaining lock Michael Haggerty
2014-04-01 20:39 ` Jeff King
2014-04-02 7:20 ` Eric Sunshine
2014-04-02 17:26 ` Junio C Hamano
2014-04-01 20:44 ` [PATCH 00/22] Lockfile refactoring and pre-activation Jeff King
2014-04-03 11:42 ` Michael Haggerty
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=20140407093650.GA4252@sigill.intra.peff.net \
--to=peff@peff.net \
--cc=git@vger.kernel.org \
--cc=gitster@pobox.com \
--cc=mhagger@alum.mit.edu \
/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).