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From: Junio C Hamano <gitster@pobox.com>
To: "Neeraj Singh via GitGitGadget" <gitgitgadget@gmail.com>
Cc: git@vger.kernel.org, Neeraj-Personal <nksingh85@gmail.com>,
	"Johannes Schindelin" <Johannes.Schindelin@gmx.de>,
	"Jeff King" <peff@peff.net>,
	"Jeff Hostetler" <jeffhost@microsoft.com>,
	"Christoph Hellwig" <hch@lst.de>,
	"Ævar Arnfjörð Bjarmason" <avarab@gmail.com>,
	"Randall S. Becker" <rsbecker@nexbridge.com>,
	"Bagas Sanjaya" <bagasdotme@gmail.com>,
	"Neeraj K. Singh" <neerajsi@microsoft.com>
Subject: Re: [PATCH v6 4/8] core.fsyncobjectfiles: add windows support for batch mode
Date: Mon, 27 Sep 2021 13:07:11 -0700	[thread overview]
Message-ID: <xmqq1r59rde8.fsf@gitster.g> (raw)
In-Reply-To: <bdb99822f8c45a8b2855ee2ab38c4460e4b5e22e.1632527609.git.gitgitgadget@gmail.com> (Neeraj Singh via GitGitGadget's message of "Fri, 24 Sep 2021 23:53:25 +0000")

"Neeraj Singh via GitGitGadget" <gitgitgadget@gmail.com> writes:

> diff --git a/compat/mingw.h b/compat/mingw.h
> index c9a52ad64a6..6074a3d3ced 100644
> --- a/compat/mingw.h
> +++ b/compat/mingw.h
> @@ -329,6 +329,9 @@ int mingw_getpagesize(void);
>  #define getpagesize mingw_getpagesize
>  #endif
>  
> +int win32_fsync_no_flush(int fd);
> +#define fsync_no_flush win32_fsync_no_flush

...

> diff --git a/wrapper.c b/wrapper.c
> index bb4f9f043ce..1a1e2fba9c9 100644
> --- a/wrapper.c
> +++ b/wrapper.c
> @@ -567,6 +567,10 @@ int git_fsync(int fd, enum fsync_action action)
>  						 SYNC_FILE_RANGE_WAIT_AFTER);
>  #endif
>  
> +#ifdef fsync_no_flush
> +		return fsync_no_flush(fd);
> +#endif
> +
>  		errno = ENOSYS;
>  		return -1;

This almost makes me wonder if we want to have a fallback
implementation of fsync_no_flush() that does

   int fsync_no_flush(int unused)
   {
	errno = ENOSYS;
	return -1;
   }

when nobody (like Windows) define their own fsync_no_flush().  That
way, this codepath does not have to have #ifdef/#endif here.

This function is already #ifdef ridden anyway, so reducing just one
instance may not make much difference, but since I noticed it ...

Thanks.

  reply	other threads:[~2021-09-27 20:07 UTC|newest]

Thread overview: 160+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-08-25  1:51 [PATCH 0/2] [RFC] Implement a bulk-checkin option for core.fsyncObjectFiles Neeraj K. Singh via GitGitGadget
2021-08-25  1:51 ` [PATCH 1/2] object-file: use futimes rather than utime Neeraj Singh via GitGitGadget
2021-08-25 13:51   ` Johannes Schindelin
2021-08-25 22:08     ` Neeraj Singh
2021-08-25  1:51 ` [PATCH 2/2] core.fsyncobjectfiles: batch disk flushes Neeraj Singh via GitGitGadget
2021-08-25  5:38   ` Christoph Hellwig
2021-08-25 17:40     ` Neeraj Singh
2021-08-26  5:54       ` Christoph Hellwig
2021-08-25 16:11   ` Ævar Arnfjörð Bjarmason
2021-08-26  0:49     ` Neeraj Singh
2021-08-26  5:50       ` Christoph Hellwig
2021-08-28  0:20         ` Neeraj Singh
2021-08-28  6:57           ` Christoph Hellwig
2021-08-31 19:59             ` Neeraj Singh
2021-09-01  5:09               ` Christoph Hellwig
2021-08-26  5:57     ` Christoph Hellwig
2021-08-25 18:52   ` Johannes Schindelin
2021-08-25 21:26     ` Junio C Hamano
2021-08-26  1:19     ` Neeraj Singh
2021-08-25 16:58 ` [PATCH 0/2] [RFC] Implement a bulk-checkin option for core.fsyncObjectFiles Neeraj Singh
2021-08-27 23:49 ` [PATCH v2 0/6] Implement a batched fsync " Neeraj K. Singh via GitGitGadget
2021-08-27 23:49   ` [PATCH v2 1/6] object-file: use futimens rather than utime Neeraj Singh via GitGitGadget
2021-08-27 23:49   ` [PATCH v2 2/6] bulk-checkin: rename 'state' variable and separate 'plugged' boolean Neeraj Singh via GitGitGadget
2021-08-27 23:49   ` [PATCH v2 3/6] core.fsyncobjectfiles: batched disk flushes Neeraj Singh via GitGitGadget
2021-08-27 23:49   ` [PATCH v2 4/6] core.fsyncobjectfiles: add windows support for batch mode Neeraj Singh via GitGitGadget
2021-08-27 23:49   ` [PATCH v2 5/6] update-index: use the bulk-checkin infrastructure Neeraj Singh via GitGitGadget
2021-08-27 23:49   ` [PATCH v2 6/6] core.fsyncobjectfiles: performance tests for add and stash Neeraj Singh via GitGitGadget
2021-09-07 19:44   ` [PATCH v2 0/6] Implement a batched fsync option for core.fsyncObjectFiles Neeraj Singh
2021-09-07 19:50     ` Ævar Arnfjörð Bjarmason
2021-09-07 19:54     ` Randall S. Becker
2021-09-08  0:54       ` Neeraj Singh
2021-09-08  1:22         ` Ævar Arnfjörð Bjarmason
2021-09-08 14:04           ` Randall S. Becker
2021-09-08 19:01           ` Neeraj Singh
2021-09-08  0:55     ` Neeraj Singh
2021-09-08  6:44       ` Junio C Hamano
2021-09-08  6:49         ` Christoph Hellwig
2021-09-08 13:57           ` Randall S. Becker
2021-09-08 14:13             ` 'Christoph Hellwig'
2021-09-08 14:25               ` Randall S. Becker
2021-09-08 16:34         ` Neeraj Singh
2021-09-08 19:12           ` Junio C Hamano
2021-09-08 19:20             ` Neeraj Singh
2021-09-08 19:23           ` Ævar Arnfjörð Bjarmason
2021-09-14  3:38   ` [PATCH v3 " Neeraj K. Singh via GitGitGadget
2021-09-14  3:38     ` [PATCH v3 1/6] bulk-checkin: rename 'state' variable and separate 'plugged' boolean Neeraj Singh via GitGitGadget
2021-09-14  3:38     ` [PATCH v3 2/6] core.fsyncobjectfiles: batched disk flushes Neeraj Singh via GitGitGadget
2021-09-14 10:39       ` Bagas Sanjaya
2021-09-14 19:05         ` Neeraj Singh
2021-09-14 19:34       ` Junio C Hamano
2021-09-14 20:33         ` Junio C Hamano
2021-09-15  4:55         ` Neeraj Singh
2021-09-14  3:38     ` [PATCH v3 3/6] core.fsyncobjectfiles: add windows support for batch mode Neeraj Singh via GitGitGadget
2021-09-14  3:38     ` [PATCH v3 4/6] update-index: use the bulk-checkin infrastructure Neeraj Singh via GitGitGadget
2021-09-14 19:35       ` Junio C Hamano
2021-09-14  3:38     ` [PATCH v3 5/6] core.fsyncobjectfiles: performance tests for add and stash Neeraj Singh via GitGitGadget
2021-09-14  3:38     ` [PATCH v3 6/6] core.fsyncobjectfiles: enable batch mode for testing Neeraj Singh via GitGitGadget
2021-09-15 16:21       ` Junio C Hamano
2021-09-15 22:43         ` Neeraj Singh
2021-09-15 23:12           ` Junio C Hamano
2021-09-16  6:19             ` Junio C Hamano
2021-09-14  5:49     ` [PATCH v3 0/6] Implement a batched fsync option for core.fsyncObjectFiles Christoph Hellwig
2021-09-20 22:15     ` [PATCH v4 " Neeraj K. Singh via GitGitGadget
2021-09-20 22:15       ` [PATCH v4 1/6] bulk-checkin: rename 'state' variable and separate 'plugged' boolean Neeraj Singh via GitGitGadget
2021-09-20 22:15       ` [PATCH v4 2/6] core.fsyncobjectfiles: batched disk flushes Neeraj Singh via GitGitGadget
2021-09-21 23:16         ` Ævar Arnfjörð Bjarmason
2021-09-22  1:23           ` Neeraj Singh
2021-09-22  2:02             ` Ævar Arnfjörð Bjarmason
2021-09-22 19:46             ` Neeraj Singh
2021-09-20 22:15       ` [PATCH v4 3/6] core.fsyncobjectfiles: add windows support for batch mode Neeraj Singh via GitGitGadget
2021-09-21 23:42         ` Ævar Arnfjörð Bjarmason
2021-09-22  1:23           ` Neeraj Singh
2021-09-20 22:15       ` [PATCH v4 4/6] update-index: use the bulk-checkin infrastructure Neeraj Singh via GitGitGadget
2021-09-21 23:46         ` Ævar Arnfjörð Bjarmason
2021-09-22  1:27           ` Neeraj Singh
2021-09-23 22:32             ` Neeraj Singh
2021-09-20 22:15       ` [PATCH v4 5/6] core.fsyncobjectfiles: tests for batch mode Neeraj Singh via GitGitGadget
2021-09-21 23:54         ` Ævar Arnfjörð Bjarmason
2021-09-22  1:30           ` Neeraj Singh
2021-09-22  1:58             ` Ævar Arnfjörð Bjarmason
2021-09-22 17:55               ` Neeraj Singh
2021-09-22 20:01                 ` Ævar Arnfjörð Bjarmason
2021-09-20 22:15       ` [PATCH v4 6/6] core.fsyncobjectfiles: performance tests for add and stash Neeraj Singh via GitGitGadget
2021-09-24 20:12       ` [PATCH v5 0/7] Implement a batched fsync option for core.fsyncObjectFiles Neeraj K. Singh via GitGitGadget
2021-09-24 20:12         ` [PATCH v5 1/7] object-file.c: do not rename in a temp odb Neeraj Singh via GitGitGadget
2021-09-24 20:12         ` [PATCH v5 2/7] bulk-checkin: rename 'state' variable and separate 'plugged' boolean Neeraj Singh via GitGitGadget
2021-09-24 20:12         ` [PATCH v5 3/7] core.fsyncobjectfiles: batched disk flushes Neeraj Singh via GitGitGadget
2021-09-24 21:47           ` Neeraj Singh
2021-09-24 20:12         ` [PATCH v5 4/7] update-index: use the bulk-checkin infrastructure Neeraj Singh via GitGitGadget
2021-09-24 21:49           ` Neeraj Singh
2021-09-24 20:12         ` [PATCH v5 5/7] unpack-objects: " Neeraj Singh via GitGitGadget
2021-09-24 20:12         ` [PATCH v5 6/7] core.fsyncobjectfiles: tests for batch mode Neeraj Singh via GitGitGadget
2021-09-24 20:12         ` [PATCH v5 7/7] core.fsyncobjectfiles: performance tests for add and stash Neeraj Singh via GitGitGadget
2021-09-24 23:31         ` [PATCH v5 0/7] Implement a batched fsync option for core.fsyncObjectFiles Neeraj Singh
2021-09-24 23:53         ` [PATCH v6 0/8] " Neeraj K. Singh via GitGitGadget
2021-09-24 23:53           ` [PATCH v6 1/8] object-file.c: do not rename in a temp odb Neeraj Singh via GitGitGadget
2021-09-24 23:53           ` [PATCH v6 2/8] bulk-checkin: rename 'state' variable and separate 'plugged' boolean Neeraj Singh via GitGitGadget
2021-09-24 23:53           ` [PATCH v6 3/8] core.fsyncobjectfiles: batched disk flushes Neeraj Singh via GitGitGadget
2021-09-25  3:15             ` Bagas Sanjaya
2021-09-27  0:27               ` Neeraj Singh
2021-09-24 23:53           ` [PATCH v6 4/8] core.fsyncobjectfiles: add windows support for batch mode Neeraj Singh via GitGitGadget
2021-09-27 20:07             ` Junio C Hamano [this message]
2021-09-27 20:55               ` Neeraj Singh
2021-09-27 21:03                 ` Neeraj Singh
2021-09-27 23:53                   ` Junio C Hamano
2021-09-24 23:53           ` [PATCH v6 5/8] update-index: use the bulk-checkin infrastructure Neeraj Singh via GitGitGadget
2021-09-24 23:53           ` [PATCH v6 6/8] unpack-objects: " Neeraj Singh via GitGitGadget
2021-09-24 23:53           ` [PATCH v6 7/8] core.fsyncobjectfiles: tests for batch mode Neeraj Singh via GitGitGadget
2021-09-24 23:53           ` [PATCH v6 8/8] core.fsyncobjectfiles: performance tests for add and stash Neeraj Singh via GitGitGadget
2021-09-28 23:32           ` [PATCH v7 0/9] Implement a batched fsync option for core.fsyncObjectFiles Neeraj K. Singh via GitGitGadget
2021-09-28 23:32             ` [PATCH v7 1/9] object-file.c: do not rename in a temp odb Neeraj Singh via GitGitGadget
2021-09-28 23:55               ` Jeff King
2021-09-29  0:10                 ` Neeraj Singh
2021-09-28 23:32             ` [PATCH v7 2/9] tmp-objdir: new API for creating temporary writable databases Neeraj Singh via GitGitGadget
2021-09-29  8:41               ` Elijah Newren
2021-09-29 16:40                 ` Neeraj Singh
2021-09-28 23:32             ` [PATCH v7 3/9] bulk-checkin: rename 'state' variable and separate 'plugged' boolean Neeraj Singh via GitGitGadget
2021-09-28 23:32             ` [PATCH v7 4/9] core.fsyncobjectfiles: batched disk flushes Neeraj Singh via GitGitGadget
2021-09-28 23:32             ` [PATCH v7 5/9] core.fsyncobjectfiles: add windows support for batch mode Neeraj Singh via GitGitGadget
2021-09-28 23:32             ` [PATCH v7 6/9] update-index: use the bulk-checkin infrastructure Neeraj Singh via GitGitGadget
2021-09-28 23:32             ` [PATCH v7 7/9] unpack-objects: " Neeraj Singh via GitGitGadget
2021-09-28 23:32             ` [PATCH v7 8/9] core.fsyncobjectfiles: tests for batch mode Neeraj Singh via GitGitGadget
2021-09-28 23:32             ` [PATCH v7 9/9] core.fsyncobjectfiles: performance tests for add and stash Neeraj Singh via GitGitGadget
2021-10-04 16:57             ` [PATCH v8 0/9] Implement a batched fsync option for core.fsyncObjectFiles Neeraj K. Singh via GitGitGadget
2021-10-04 16:57               ` [PATCH v8 1/9] tmp-objdir: new API for creating temporary writable databases Neeraj Singh via GitGitGadget
2021-10-04 16:57               ` [PATCH v8 2/9] tmp-objdir: disable ref updates when replacing the primary odb Neeraj Singh via GitGitGadget
2021-10-04 16:57               ` [PATCH v8 3/9] bulk-checkin: rename 'state' variable and separate 'plugged' boolean Neeraj Singh via GitGitGadget
2021-10-04 16:57               ` [PATCH v8 4/9] core.fsyncobjectfiles: batched disk flushes Neeraj Singh via GitGitGadget
2021-10-04 16:57               ` [PATCH v8 5/9] core.fsyncobjectfiles: add windows support for batch mode Neeraj Singh via GitGitGadget
2021-10-04 16:57               ` [PATCH v8 6/9] update-index: use the bulk-checkin infrastructure Neeraj Singh via GitGitGadget
2021-10-04 16:57               ` [PATCH v8 7/9] unpack-objects: " Neeraj Singh via GitGitGadget
2021-10-04 16:57               ` [PATCH v8 8/9] core.fsyncobjectfiles: tests for batch mode Neeraj Singh via GitGitGadget
2021-10-04 16:57               ` [PATCH v8 9/9] core.fsyncobjectfiles: performance tests for add and stash Neeraj Singh via GitGitGadget
2021-11-15 23:50               ` [PATCH v9 0/9] Implement a batched fsync option for core.fsyncObjectFiles Neeraj K. Singh via GitGitGadget
2021-11-15 23:50                 ` [PATCH v9 1/9] tmp-objdir: new API for creating temporary writable databases Neeraj Singh via GitGitGadget
2021-11-30 21:27                   ` Elijah Newren
2021-11-30 21:52                     ` Neeraj Singh
2021-11-30 22:36                       ` Elijah Newren
2021-11-15 23:50                 ` [PATCH v9 2/9] tmp-objdir: disable ref updates when replacing the primary odb Neeraj Singh via GitGitGadget
2021-11-16  7:23                   ` Ævar Arnfjörð Bjarmason
2021-11-16 20:38                     ` Neeraj Singh
2021-11-15 23:50                 ` [PATCH v9 3/9] bulk-checkin: rename 'state' variable and separate 'plugged' boolean Neeraj Singh via GitGitGadget
2021-11-15 23:50                 ` [PATCH v9 4/9] core.fsyncobjectfiles: batched disk flushes Neeraj Singh via GitGitGadget
2021-11-15 23:50                 ` [PATCH v9 5/9] core.fsyncobjectfiles: add windows support for batch mode Neeraj Singh via GitGitGadget
2021-11-15 23:51                 ` [PATCH v9 6/9] update-index: use the bulk-checkin infrastructure Neeraj Singh via GitGitGadget
2021-11-15 23:51                 ` [PATCH v9 7/9] unpack-objects: " Neeraj Singh via GitGitGadget
2021-11-15 23:51                 ` [PATCH v9 8/9] core.fsyncobjectfiles: tests for batch mode Neeraj Singh via GitGitGadget
2021-11-15 23:51                 ` [PATCH v9 9/9] core.fsyncobjectfiles: performance tests for add and stash Neeraj Singh via GitGitGadget
2021-11-16  8:02                 ` [PATCH v9 0/9] Implement a batched fsync option for core.fsyncObjectFiles Ævar Arnfjörð Bjarmason
2021-11-17  7:06                   ` Neeraj Singh
2021-11-17  7:24                     ` Ævar Arnfjörð Bjarmason
2021-11-18  5:03                       ` Neeraj Singh
2021-12-01 14:15                         ` Ævar Arnfjörð Bjarmason
2022-03-09 23:02                           ` Ævar Arnfjörð Bjarmason
2022-03-10  1:16                             ` Neeraj Singh
2022-03-10 14:01                               ` Ævar Arnfjörð Bjarmason
2022-03-10 17:52                                 ` Neeraj Singh
2022-03-10 18:08                                   ` rsbecker
2022-03-10 18:43                                     ` Neeraj Singh
2022-03-10 18:48                                       ` rsbecker

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