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From: Phillip Wood <phillip.wood123@gmail.com>
To: Alban Gruin <alban.gruin@gmail.com>, git@vger.kernel.org
Cc: Johannes Schindelin <Johannes.Schindelin@gmx.de>,
	Phillip Wood <phillip.wood@dunelm.org.uk>,
	Junio C Hamano <gitster@pobox.com>
Subject: Re: [PATCH v1 5/5] sequencer: directly call pick_commits() from complete_action()
Date: Fri, 27 Sep 2019 14:26:26 +0100	[thread overview]
Message-ID: <212cdc0d-8cf3-9172-d405-39b3868e6ca4@gmail.com> (raw)
In-Reply-To: <20190925201315.19722-6-alban.gruin@gmail.com>

Hi Alban

Thanks for removing some more unnecessary work reloading the the todo list.

On 25/09/2019 21:13, Alban Gruin wrote:
> Currently, complete_action() calls sequencer_continue() to do the
> rebase.  Even though the former already has the todo list, the latter
> loads it from the disk and parses it.  Calling directly pick_commits()
> from complete_action() avoids this unnecessary round trip.
> Signed-off-by: Alban Gruin <alban.gruin@gmail.com>
> ---
>   sequencer.c | 8 +++++---
>   1 file changed, 5 insertions(+), 3 deletions(-)
> 
> diff --git a/sequencer.c b/sequencer.c
> index ec7ea8d9e5..b395dd6e11 100644
> --- a/sequencer.c
> +++ b/sequencer.c
> @@ -5140,15 +5140,17 @@ int complete_action(struct repository *r, struct replay_opts *opts, unsigned fla
>   		return error_errno(_("could not write '%s'"), todo_file);
>   	}
>   
> -	todo_list_release(&new_todo);
> -
>   	if (checkout_onto(r, opts, onto_name, &oid, orig_head))
>   		return -1;
>   
>   	if (require_clean_work_tree(r, "rebase", "", 1, 1))
>   		return -1;
>   
> -	return sequencer_continue(r, opts);

sequencer_continue does a number of things before calling pick_commits(). It
  - calls read_and_refresh_cache() - this is unnecessary here as we've 
just called require_clean_work_tree()
  - calls read_populate_opts() - this is unnecessary as we're staring a 
new rebase so opts is fully populated
  - loads the todo list - this is unnecessary as we've just populated 
the todo list
  - commits any staged changes - this is unnecessary as we're staring a 
new rebase so there are no staged changes
  - calls record_in_rewritten() - this is unnecessary as we're starting 
a new rebase

So I agree that this patch is correct.

Thanks

Phillip

> +	todo_list_write_total_nr(&new_todo);
> +	res = pick_commits(r, &new_todo, opts);
> +	todo_list_release(&new_todo);
> +
> +	return res;
>   }
>   
>   struct subject2item_entry {
> 

  reply	other threads:[~2019-09-27 13:26 UTC|newest]

Thread overview: 50+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <20190925201315.19722-1-alban.gruin@gmail.com>
2019-09-25 20:13 ` [PATCH v1 1/5] sequencer: update `total_nr' when adding an item to a todo list Alban Gruin
2019-10-02  2:10   ` Junio C Hamano
2019-10-02  8:06     ` Johannes Schindelin
2019-10-02  8:59       ` Junio C Hamano
2019-10-02  9:48         ` Johannes Schindelin
2019-10-02 18:03         ` Alban Gruin
2019-09-25 20:13 ` [PATCH v1 2/5] sequencer: update `done_nr' when skipping commands in " Alban Gruin
2019-09-25 20:13 ` [PATCH v1 3/5] sequencer: move the code writing total_nr on the disk to a new function Alban Gruin
2019-09-25 20:13 ` [PATCH v1 4/5] rebase: fill `squash_onto' in get_replay_opts() Alban Gruin
2019-09-27 13:30   ` Phillip Wood
2019-10-02  8:16     ` Johannes Schindelin
2019-10-02  9:32       ` Phillip Wood
2019-10-02 12:06         ` Johannes Schindelin
2019-09-25 20:13 ` [PATCH v1 5/5] sequencer: directly call pick_commits() from complete_action() Alban Gruin
2019-09-27 13:26   ` Phillip Wood [this message]
2019-10-02  8:20     ` Johannes Schindelin
2019-10-02 18:03       ` Alban Gruin
2019-10-02  2:38   ` Junio C Hamano
2019-10-02 18:37     ` Alban Gruin
2019-10-26  7:47   ` René Scharfe
2019-10-26 11:27     ` Alban Gruin
2019-10-28  1:39       ` Junio C Hamano
2019-10-28  3:20         ` Junio C Hamano
2019-09-25 20:20 ` [PATCH v1 0/5] Use complete_action's todo list to do the rebase Alban Gruin
2019-09-27 13:32 ` [PATCH v1 0/5] Use complete_action’s " Phillip Wood
2019-10-07  9:26 ` [PATCH v2 0/5] Use complete_action's " Alban Gruin
2019-10-07  9:26   ` [PATCH v2 1/5] sequencer: update `total_nr' when adding an item to a todo list Alban Gruin
2019-10-07  9:26   ` [PATCH v2 2/5] sequencer: update `done_nr' when skipping commands in " Alban Gruin
2019-10-07  9:26   ` [PATCH v2 3/5] sequencer: move the code writing total_nr on the disk to a new function Alban Gruin
2019-10-07  9:26   ` [PATCH v2 4/5] rebase: fill `squash_onto' in get_replay_opts() Alban Gruin
2019-10-07  9:26   ` [PATCH v2 5/5] sequencer: directly call pick_commits() from complete_action() Alban Gruin
2019-10-08  2:45   ` [PATCH v2 0/5] Use complete_action's todo list to do the rebase Junio C Hamano
2019-10-08 16:18     ` Alban Gruin
2019-10-14 12:49   ` Johannes Schindelin
2019-11-23 14:37   ` [PATCH v3 " Alban Gruin
2019-11-23 14:37     ` [PATCH v3 1/5] sequencer: update `total_nr' when adding an item to a todo list Alban Gruin
2019-11-23 14:37     ` [PATCH v3 2/5] sequencer: update `done_nr' when skipping commands in " Alban Gruin
2019-11-23 14:37     ` [PATCH v3 3/5] sequencer: move the code writing total_nr on the disk to a new function Alban Gruin
2019-11-23 14:37     ` [PATCH v3 4/5] rebase: fill `squash_onto' in get_replay_opts() Alban Gruin
2019-11-23 14:37     ` [PATCH v3 5/5] sequencer: directly call pick_commits() from complete_action() Alban Gruin
2019-11-24 17:43     ` [PATCH v4 0/5] Use complete_action's todo list to do the rebase Alban Gruin
2019-11-24 17:43       ` [PATCH v4 1/5] sequencer: update `total_nr' when adding an item to a todo list Alban Gruin
2019-11-24 17:43       ` [PATCH v4 2/5] sequencer: update `done_nr' when skipping commands in " Alban Gruin
2019-11-24 17:43       ` [PATCH v4 3/5] sequencer: move the code writing total_nr on the disk to a new function Alban Gruin
2019-11-24 17:43       ` [PATCH v4 4/5] rebase: fill `squash_onto' in get_replay_opts() Alban Gruin
2019-11-26 18:27         ` Jonathan Tan
2019-11-24 17:43       ` [PATCH v4 5/5] sequencer: directly call pick_commits() from complete_action() Alban Gruin
2019-11-26 18:41         ` Jonathan Tan
2019-11-27 19:56           ` Alban Gruin
2019-11-27 20:09             ` Alban Gruin

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