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From: Junio C Hamano <gitster@pobox•com>
To: Michael Haggerty <mhagger@alum•mit.edu>
Cc: git@vger•kernel.org, Karl Moskowski <kmoskowski@me•com>,
	Jeff King <peff@peff•net>, Mike Hommey <mh@glandium•org>,
	David Turner <dturner@twopensource•com>
Subject: Re: [PATCH 09/20] log_ref_setup(): pass the open file descriptor back to the caller
Date: Thu, 18 Feb 2016 14:21:37 -0800	[thread overview]
Message-ID: <xmqqziuxek26.fsf@gitster.mtv.corp.google.com> (raw)
In-Reply-To: <10ca076856c8695723f1f5fae1fee2f38fa778fd.1455626201.git.mhagger@alum.mit.edu> (Michael Haggerty's message of "Tue, 16 Feb 2016 14:22:22 +0100")

Michael Haggerty <mhagger@alum•mit.edu> writes:

> This function will most often be called by log_ref_write_1(), which
> wants to append to the reflog file. In that case, it is silly to close
> the file only for the caller to reopen it immediately. So, in the case
> that the file was opened, pass the open file descriptor back to the
> caller.

Makes sense.

>  		} else {
>  			adjust_shared_perm(logfile->buf);
> -			close(logfd);
>  		}

I briefly wondered if permission twiddling on an open fd may have
negative effect on certain platforms, but the original was doing so
already (even before step 08/20), so that shouldn't be an issue with
this change, either.

Nicely done.

  reply	other threads:[~2016-02-18 22:21 UTC|newest]

Thread overview: 34+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-02-16 13:22 [PATCH 00/20] Delete directories left empty after ref deletion Michael Haggerty
2016-02-16 13:22 ` [PATCH 01/20] safe_create_leading_directories_const(): preserve errno Michael Haggerty
2016-02-16 23:45   ` Jeff King
2016-02-16 13:22 ` [PATCH 02/20] safe_create_leading_directories(): set errno on SCLD_EXISTS Michael Haggerty
2016-02-17 19:23   ` Junio C Hamano
2016-02-18 15:33     ` Michael Haggerty
2016-02-16 13:22 ` [PATCH 03/20] raceproof_create_file(): new function Michael Haggerty
2016-02-17 19:38   ` Junio C Hamano
2016-02-16 13:22 ` [PATCH 04/20] lock_ref_sha1_basic(): use raceproof_create_file() Michael Haggerty
2016-02-17 20:44   ` Junio C Hamano
2016-02-16 13:22 ` [PATCH 05/20] rename_tmp_log(): " Michael Haggerty
2016-02-17 20:53   ` Junio C Hamano
2016-02-19 16:07     ` Michael Haggerty
2016-02-19 17:15       ` Junio C Hamano
2016-02-16 13:22 ` [PATCH 06/20] rename_tmp_log(): improve error reporting Michael Haggerty
2016-02-18 22:14   ` Junio C Hamano
2016-02-16 13:22 ` [PATCH 07/20] log_ref_setup(): separate code for create vs non-create Michael Haggerty
2016-02-16 13:22 ` [PATCH 08/20] log_ref_setup(): improve robustness against races Michael Haggerty
2016-02-18 22:17   ` Junio C Hamano
2016-02-16 13:22 ` [PATCH 09/20] log_ref_setup(): pass the open file descriptor back to the caller Michael Haggerty
2016-02-18 22:21   ` Junio C Hamano [this message]
2016-02-16 13:22 ` [PATCH 10/20] log_ref_write_1(): don't depend on logfile Michael Haggerty
2016-02-16 13:22 ` [PATCH 11/20] log_ref_setup(): manage the name of the reflog file internally Michael Haggerty
2016-02-16 13:22 ` [PATCH 12/20] log_ref_write_1(): inline function Michael Haggerty
2016-02-18 22:23   ` Junio C Hamano
2016-02-16 13:22 ` [PATCH 13/20] try_remove_empty_parents(): rename parameter "name" -> "refname" Michael Haggerty
2016-02-16 13:22 ` [PATCH 14/20] try_remove_empty_parents(): don't trash argument contents Michael Haggerty
2016-02-16 13:22 ` [PATCH 15/20] try_remove_empty_parents(): don't accommodate consecutive slashes Michael Haggerty
2016-02-16 13:22 ` [PATCH 16/20] t5505: use "for-each-ref" to test for the non-existence of references Michael Haggerty
2016-02-16 13:22 ` [PATCH 17/20] delete_ref_loose(): derive loose reference path from lock Michael Haggerty
2016-02-16 13:22 ` [PATCH 18/20] delete_ref_loose(): inline function Michael Haggerty
2016-02-16 13:22 ` [PATCH 19/20] try_remove_empty_parents(): teach to remove parents of reflogs, too Michael Haggerty
2016-02-16 13:22 ` [PATCH 20/20] ref_transaction_commit(): clean up empty directories Michael Haggerty
2016-02-17  0:08 ` [PATCH 00/20] Delete directories left empty after ref deletion Junio C Hamano

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