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From: Junio C Hamano <gitster@pobox.com>
To: "Derrick Stolee via GitGitGadget" <gitgitgadget@gmail.com>
Cc: git@vger.kernel.org, newren@gmail.com, pclouds@gmail.com,
	jrnieder@gmail.com, "Martin Ågren" <martin.agren@gmail.com>,
	"Derrick Stolee" <stolee@gmail.com>,
	"SZEDER Gábor" <szeder.dev@gmail.com>,
	"Derrick Stolee" <derrickstolee@github.com>,
	"Derrick Stolee" <dstolee@microsoft.com>,
	"Ævar Arnfjörð Bjarmason" <avarab@gmail.com>
Subject: Re: [PATCH v2 05/20] sparse-index: implement ensure_full_index()
Date: Thu, 11 Mar 2021 22:50:28 -0800	[thread overview]
Message-ID: <xmqq1rckc1cb.fsf@gitster.g> (raw)
In-Reply-To: <399ddb0bad56c69ff9d9591f5e8eacf52cf50a15.1615404665.git.gitgitgadget@gmail.com> (Derrick Stolee via GitGitGadget's message of "Wed, 10 Mar 2021 19:30:48 +0000")

"Derrick Stolee via GitGitGadget" <gitgitgadget@gmail.com> writes:

>  void ensure_full_index(struct index_state *istate)
>  {
> ...
> +	int i;
> +		tree = lookup_tree(istate->repo, &ce->oid);
> +
> +		memset(&ps, 0, sizeof(ps));
> +		ps.recursive = 1;
> +		ps.has_wildcard = 1;
> +		ps.max_depth = -1;
> +
> +		read_tree_recursive(istate->repo, tree,
> +				    ce->name, strlen(ce->name),
> +				    0, &ps,
> +				    add_path_to_index, full);

Ævar, the assumption that led to your e68237bb (tree.h API: remove
support for starting at prefix != "", 2021-03-08) closes the door
for this code rather badly.  Please work with Derrick to figure out
what the best course of action would be.

Thanks.

> +		/* free directory entries. full entries are re-used */
> +		discard_cache_entry(ce);
> +	}
> +
> +	/* Copy back into original index. */
> +	memcpy(&istate->name_hash, &full->name_hash, sizeof(full->name_hash));
> +	istate->sparse_index = 0;
> +	free(istate->cache);
> +	istate->cache = full->cache;
> +	istate->cache_nr = full->cache_nr;
> +	istate->cache_alloc = full->cache_alloc;
> +
> +	free(full);
> +
> +	trace2_region_leave("index", "ensure_full_index", istate->repo);
>  }

  reply	other threads:[~2021-03-12  6:51 UTC|newest]

Thread overview: 203+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-02-23 20:14 [PATCH 00/20] Sparse Index: Design, Format, Tests Derrick Stolee via GitGitGadget
2021-02-23 20:14 ` [PATCH 01/20] sparse-index: design doc and format update Derrick Stolee via GitGitGadget
2021-02-24  1:13   ` Elijah Newren
2021-02-25 15:29     ` Derrick Stolee
2021-02-25 20:14       ` Elijah Newren
2021-02-23 20:14 ` [PATCH 02/20] t/perf: add performance test for sparse operations Derrick Stolee via GitGitGadget
2021-02-24  2:30   ` Elijah Newren
2021-03-09 20:03     ` Derrick Stolee
2021-02-23 20:14 ` [PATCH 03/20] t1092: clean up script quoting Derrick Stolee via GitGitGadget
2021-02-23 20:14 ` [PATCH 04/20] sparse-index: add guard to ensure full index Derrick Stolee via GitGitGadget
2021-02-24  2:44   ` Elijah Newren
2021-02-23 20:14 ` [PATCH 05/20] sparse-index: implement ensure_full_index() Derrick Stolee via GitGitGadget
2021-02-24  3:20   ` Elijah Newren
2021-02-23 20:14 ` [PATCH 06/20] t1092: compare sparse-checkout to sparse-index Derrick Stolee via GitGitGadget
2021-02-25  6:37   ` Elijah Newren
2021-02-23 20:14 ` [PATCH 07/20] test-read-cache: print cache entries with --table Derrick Stolee via GitGitGadget
2021-02-25  7:02   ` Elijah Newren
2021-03-09 21:00     ` Derrick Stolee
2021-02-23 20:14 ` [PATCH 08/20] test-tool: don't force full index Derrick Stolee via GitGitGadget
2021-02-23 20:14 ` [PATCH 09/20] unpack-trees: ensure " Derrick Stolee via GitGitGadget
2021-02-23 20:14 ` [PATCH 10/20] sparse-checkout: hold pattern list in index Derrick Stolee via GitGitGadget
2021-02-25  7:14   ` Elijah Newren
2021-02-23 20:14 ` [PATCH 11/20] sparse-index: convert from full to sparse Derrick Stolee via GitGitGadget
2021-02-25  7:33   ` Elijah Newren
2021-03-09 21:13     ` Derrick Stolee
2021-02-23 20:14 ` [PATCH 12/20] submodule: sparse-index should not collapse links Derrick Stolee via GitGitGadget
2021-02-23 20:14 ` [PATCH 13/20] unpack-trees: allow sparse directories Derrick Stolee via GitGitGadget
2021-02-25  7:40   ` Elijah Newren
2021-03-09 21:35     ` Derrick Stolee
2021-03-09 21:39       ` Elijah Newren
2021-02-23 20:14 ` [PATCH 14/20] sparse-index: check index conversion happens Derrick Stolee via GitGitGadget
2021-02-23 20:14 ` [PATCH 15/20] sparse-index: create extension for compatibility Derrick Stolee via GitGitGadget
2021-02-25  7:45   ` Elijah Newren
2021-03-09 21:45     ` Derrick Stolee
2021-02-23 20:14 ` [PATCH 16/20] sparse-checkout: toggle sparse index from builtin Derrick Stolee via GitGitGadget
2021-02-24 19:11   ` Martin Ågren
2021-03-09 20:52     ` Derrick Stolee
2021-03-09 21:03       ` Elijah Newren
2021-03-09 21:10         ` Derrick Stolee
2021-03-09 21:38           ` Elijah Newren
2021-03-14 20:08       ` Martin Ågren
2021-03-15 13:36         ` Derrick Stolee
2021-02-23 20:14 ` [PATCH 17/20] sparse-checkout: disable sparse-index Derrick Stolee via GitGitGadget
2021-02-27 12:32   ` SZEDER Gábor
2021-03-09 20:20     ` Derrick Stolee
2021-03-10 18:20       ` Derrick Stolee
2021-02-23 20:14 ` [PATCH 18/20] cache-tree: integrate with sparse directory entries Derrick Stolee via GitGitGadget
2021-02-23 20:14 ` [PATCH 19/20] sparse-index: loose integration with cache_tree_verify() Derrick Stolee via GitGitGadget
2021-02-23 20:14 ` [PATCH 20/20] p2000: add sparse-index repos Derrick Stolee via GitGitGadget
2021-02-23 23:49 ` [PATCH 00/20] Sparse Index: Design, Format, Tests Elijah Newren
2021-02-26 21:28   ` Elijah Newren
2021-03-10 19:30 ` [PATCH v2 " Derrick Stolee via GitGitGadget
2021-03-10 19:30   ` [PATCH v2 01/20] sparse-index: design doc and format update Derrick Stolee via GitGitGadget
2021-03-10 22:19     ` Elijah Newren
2021-03-10 19:30   ` [PATCH v2 02/20] t/perf: add performance test for sparse operations Derrick Stolee via GitGitGadget
2021-03-10 19:30   ` [PATCH v2 03/20] t1092: clean up script quoting Derrick Stolee via GitGitGadget
2021-03-10 19:30   ` [PATCH v2 04/20] sparse-index: add guard to ensure full index Derrick Stolee via GitGitGadget
2021-03-10 19:30   ` [PATCH v2 05/20] sparse-index: implement ensure_full_index() Derrick Stolee via GitGitGadget
2021-03-12  6:50     ` Junio C Hamano [this message]
2021-03-12 13:56       ` Derrick Stolee
2021-03-12 20:08         ` Junio C Hamano
2021-03-12 20:11           ` Derrick Stolee
2021-03-15 23:52             ` Ævar Arnfjörð Bjarmason
2021-03-10 19:30   ` [PATCH v2 06/20] t1092: compare sparse-checkout to sparse-index Derrick Stolee via GitGitGadget
2021-03-10 23:04     ` Elijah Newren
2021-03-11 14:17       ` Derrick Stolee
2021-03-10 19:30   ` [PATCH v2 07/20] test-read-cache: print cache entries with --table Derrick Stolee via GitGitGadget
2021-03-10 19:30   ` [PATCH v2 08/20] test-tool: don't force full index Derrick Stolee via GitGitGadget
2021-03-10 19:30   ` [PATCH v2 09/20] unpack-trees: ensure " Derrick Stolee via GitGitGadget
2021-03-10 19:30   ` [PATCH v2 10/20] sparse-checkout: hold pattern list in index Derrick Stolee via GitGitGadget
2021-03-10 19:30   ` [PATCH v2 11/20] sparse-index: convert from full to sparse Derrick Stolee via GitGitGadget
2021-03-10 23:44     ` Elijah Newren
2021-03-11 14:13       ` Derrick Stolee
2021-03-10 19:30   ` [PATCH v2 12/20] submodule: sparse-index should not collapse links Derrick Stolee via GitGitGadget
2021-03-10 19:30   ` [PATCH v2 13/20] unpack-trees: allow sparse directories Derrick Stolee via GitGitGadget
2021-03-10 19:30   ` [PATCH v2 14/20] sparse-index: check index conversion happens Derrick Stolee via GitGitGadget
2021-03-10 19:30   ` [PATCH v2 15/20] sparse-index: create extension for compatibility Derrick Stolee via GitGitGadget
2021-03-10 19:30   ` [PATCH v2 16/20] sparse-checkout: toggle sparse index from builtin Derrick Stolee via GitGitGadget
2021-03-10 19:31   ` [PATCH v2 17/20] sparse-checkout: disable sparse-index Derrick Stolee via GitGitGadget
2021-03-10 19:31   ` [PATCH v2 18/20] cache-tree: integrate with sparse directory entries Derrick Stolee via GitGitGadget
2021-03-10 19:31   ` [PATCH v2 19/20] sparse-index: loose integration with cache_tree_verify() Derrick Stolee via GitGitGadget
2021-03-10 19:31   ` [PATCH v2 20/20] p2000: add sparse-index repos Derrick Stolee via GitGitGadget
2021-03-11  0:07   ` [PATCH v2 00/20] Sparse Index: Design, Format, Tests Elijah Newren
2021-03-16 16:42   ` [PATCH v3 " Derrick Stolee via GitGitGadget
2021-03-16 16:42     ` [PATCH v3 01/20] sparse-index: design doc and format update Derrick Stolee via GitGitGadget
2021-03-19 23:43       ` Junio C Hamano
2021-03-23 11:16         ` Derrick Stolee
2021-03-23 20:10           ` Junio C Hamano
2021-03-23 20:42             ` Derrick Stolee
2021-03-16 16:42     ` [PATCH v3 02/20] t/perf: add performance test for sparse operations Derrick Stolee via GitGitGadget
2021-03-17  8:41       ` Ævar Arnfjörð Bjarmason
2021-03-17 13:05         ` Derrick Stolee
2021-03-17 13:21           ` Ævar Arnfjörð Bjarmason
2021-03-17 18:02             ` Derrick Stolee
2021-03-16 16:42     ` [PATCH v3 03/20] t1092: clean up script quoting Derrick Stolee via GitGitGadget
2021-03-17  8:47       ` Ævar Arnfjörð Bjarmason
2021-03-16 16:42     ` [PATCH v3 04/20] sparse-index: add guard to ensure full index Derrick Stolee via GitGitGadget
2021-03-16 16:42     ` [PATCH v3 05/20] sparse-index: implement ensure_full_index() Derrick Stolee via GitGitGadget
2021-03-17 13:03       ` Ævar Arnfjörð Bjarmason
2021-03-16 16:42     ` [PATCH v3 06/20] t1092: compare sparse-checkout to sparse-index Derrick Stolee via GitGitGadget
2021-03-16 16:42     ` [PATCH v3 07/20] test-read-cache: print cache entries with --table Derrick Stolee via GitGitGadget
2021-03-17 13:28       ` [RFC/PATCH 0/5] " Ævar Arnfjörð Bjarmason
2021-03-17 18:28         ` Elijah Newren
2021-03-17 19:46           ` Derrick Stolee
2021-03-17 20:26             ` Elijah Newren
2021-03-17 20:34               ` Derrick Stolee
2021-03-17 13:28       ` [RFC/PATCH 1/5] ls-files: defer read_index() after parse_options() etc Ævar Arnfjörð Bjarmason
2021-03-17 13:28       ` [RFC/PATCH 2/5] ls-files: make "mode" in show_ce() loop a variable Ævar Arnfjörð Bjarmason
2021-03-17 18:11         ` Elijah Newren
2021-03-24  0:46           ` Ævar Arnfjörð Bjarmason
2021-03-17 13:28       ` [RFC/PATCH 3/5] ls-files: add and use a new --sparse option Ævar Arnfjörð Bjarmason
2021-03-17 18:19         ` Elijah Newren
2021-03-17 18:27           ` Ævar Arnfjörð Bjarmason
2021-03-17 18:44             ` Elijah Newren
2021-03-17 20:43         ` Derrick Stolee
2021-03-24  0:52           ` Ævar Arnfjörð Bjarmason
2021-03-17 13:28       ` [RFC/PATCH 4/5] test-tool read-cache: --table is redundant to ls-files Ævar Arnfjörð Bjarmason
2021-03-17 13:28       ` [RFC/PATCH 5/5] test-tool: split up test-tool read-cache Ævar Arnfjörð Bjarmason
2021-03-17 13:32         ` Ævar Arnfjörð Bjarmason
2021-03-16 16:42     ` [PATCH v3 08/20] test-tool: don't force full index Derrick Stolee via GitGitGadget
2021-03-16 16:42     ` [PATCH v3 09/20] unpack-trees: ensure " Derrick Stolee via GitGitGadget
2021-03-16 16:42     ` [PATCH v3 10/20] sparse-checkout: hold pattern list in index Derrick Stolee via GitGitGadget
2021-03-16 16:42     ` [PATCH v3 11/20] sparse-index: convert from full to sparse Derrick Stolee via GitGitGadget
2021-03-17 13:43       ` Ævar Arnfjörð Bjarmason
2021-03-17 19:55         ` Derrick Stolee
2021-03-18 13:38           ` Derrick Stolee
2021-03-16 16:42     ` [PATCH v3 12/20] submodule: sparse-index should not collapse links Derrick Stolee via GitGitGadget
2021-03-16 16:42     ` [PATCH v3 13/20] unpack-trees: allow sparse directories Derrick Stolee via GitGitGadget
2021-03-17 13:35       ` Ævar Arnfjörð Bjarmason
2021-03-16 16:42     ` [PATCH v3 14/20] sparse-index: check index conversion happens Derrick Stolee via GitGitGadget
2021-03-16 16:42     ` [PATCH v3 15/20] sparse-index: create extension for compatibility Derrick Stolee via GitGitGadget
2021-03-16 16:42     ` [PATCH v3 16/20] sparse-checkout: toggle sparse index from builtin Derrick Stolee via GitGitGadget
2021-03-16 16:43     ` [PATCH v3 17/20] sparse-checkout: disable sparse-index Derrick Stolee via GitGitGadget
2021-03-16 16:43     ` [PATCH v3 18/20] cache-tree: integrate with sparse directory entries Derrick Stolee via GitGitGadget
2021-03-16 16:43     ` [PATCH v3 19/20] sparse-index: loose integration with cache_tree_verify() Derrick Stolee via GitGitGadget
2021-03-16 16:43     ` [PATCH v3 20/20] p2000: add sparse-index repos Derrick Stolee via GitGitGadget
2021-03-16 16:59     ` [PATCH v3 00/20] Sparse Index: Design, Format, Tests Derrick Stolee
2021-03-16 21:18     ` Elijah Newren
2021-03-18 21:50     ` Junio C Hamano
2021-03-19 13:00       ` Derrick Stolee
2021-03-23 13:44     ` [PATCH v4 " Derrick Stolee via GitGitGadget
2021-03-23 13:44       ` [PATCH v4 01/20] sparse-index: design doc and format update Derrick Stolee via GitGitGadget
2021-03-26 20:29         ` SZEDER Gábor
2021-03-28  1:47           ` Junio C Hamano
2021-03-29 14:32             ` Derrick Stolee
2021-03-23 13:44       ` [PATCH v4 02/20] t/perf: add performance test for sparse operations Derrick Stolee via GitGitGadget
2021-03-23 13:44       ` [PATCH v4 03/20] t1092: clean up script quoting Derrick Stolee via GitGitGadget
2021-03-23 13:44       ` [PATCH v4 04/20] sparse-index: add guard to ensure full index Derrick Stolee via GitGitGadget
2021-03-23 13:44       ` [PATCH v4 05/20] sparse-index: implement ensure_full_index() Derrick Stolee via GitGitGadget
2021-03-23 13:44       ` [PATCH v4 06/20] t1092: compare sparse-checkout to sparse-index Derrick Stolee via GitGitGadget
2021-03-23 13:44       ` [PATCH v4 07/20] test-read-cache: print cache entries with --table Derrick Stolee via GitGitGadget
2021-03-24  1:24         ` Ævar Arnfjörð Bjarmason
2021-03-24 12:33           ` Derrick Stolee
2021-03-25  3:41             ` Ævar Arnfjörð Bjarmason
2021-03-26  0:12               ` Elijah Newren
2021-03-28 15:31                 ` Ævar Arnfjörð Bjarmason
2021-03-29 19:46                   ` Derrick Stolee
2021-03-29 21:44                     ` Junio C Hamano
2021-03-30 11:28                       ` Derrick Stolee
2021-03-29 23:06                     ` Ævar Arnfjörð Bjarmason
2021-03-30 11:41                       ` Derrick Stolee
2021-03-29 22:02                   ` Elijah Newren
2021-03-23 13:44       ` [PATCH v4 08/20] test-tool: don't force full index Derrick Stolee via GitGitGadget
2021-03-23 13:44       ` [PATCH v4 09/20] unpack-trees: ensure " Derrick Stolee via GitGitGadget
2021-03-23 13:44       ` [PATCH v4 10/20] sparse-checkout: hold pattern list in index Derrick Stolee via GitGitGadget
2021-03-23 13:44       ` [PATCH v4 11/20] sparse-index: convert from full to sparse Derrick Stolee via GitGitGadget
2021-03-23 13:44       ` [PATCH v4 12/20] submodule: sparse-index should not collapse links Derrick Stolee via GitGitGadget
2021-03-23 13:44       ` [PATCH v4 13/20] unpack-trees: allow sparse directories Derrick Stolee via GitGitGadget
2021-03-23 13:44       ` [PATCH v4 14/20] sparse-index: check index conversion happens Derrick Stolee via GitGitGadget
2021-03-23 13:44       ` [PATCH v4 15/20] sparse-index: create extension for compatibility Derrick Stolee via GitGitGadget
2021-03-23 13:44       ` [PATCH v4 16/20] sparse-checkout: toggle sparse index from builtin Derrick Stolee via GitGitGadget
2021-03-23 13:44       ` [PATCH v4 17/20] sparse-checkout: disable sparse-index Derrick Stolee via GitGitGadget
2021-03-23 13:44       ` [PATCH v4 18/20] cache-tree: integrate with sparse directory entries Derrick Stolee via GitGitGadget
2021-03-23 13:44       ` [PATCH v4 19/20] sparse-index: loose integration with cache_tree_verify() Derrick Stolee via GitGitGadget
2021-03-23 13:44       ` [PATCH v4 20/20] p2000: add sparse-index repos Derrick Stolee via GitGitGadget
2021-03-23 16:16       ` [PATCH v4 00/20] Sparse Index: Design, Format, Tests Elijah Newren
2021-03-30 13:10       ` [PATCH v5 00/21] " Derrick Stolee via GitGitGadget
2021-03-30 13:10         ` [PATCH v5 01/21] sparse-index: design doc and format update Derrick Stolee via GitGitGadget
2021-03-30 13:10         ` [PATCH v5 02/21] t/perf: add performance test for sparse operations Derrick Stolee via GitGitGadget
2021-03-30 13:10         ` [PATCH v5 03/21] t1092: clean up script quoting Derrick Stolee via GitGitGadget
2021-03-30 13:10         ` [PATCH v5 04/21] sparse-index: add guard to ensure full index Derrick Stolee via GitGitGadget
2021-03-30 13:10         ` [PATCH v5 05/21] sparse-index: implement ensure_full_index() Derrick Stolee via GitGitGadget
2021-03-30 13:10         ` [PATCH v5 06/21] t1092: compare sparse-checkout to sparse-index Derrick Stolee via GitGitGadget
2021-03-30 13:10         ` [PATCH v5 07/21] test-read-cache: print cache entries with --table Derrick Stolee via GitGitGadget
2021-03-30 13:10         ` [PATCH v5 08/21] test-tool: don't force full index Derrick Stolee via GitGitGadget
2021-03-30 13:10         ` [PATCH v5 09/21] unpack-trees: ensure " Derrick Stolee via GitGitGadget
2021-03-30 13:10         ` [PATCH v5 10/21] sparse-checkout: hold pattern list in index Derrick Stolee via GitGitGadget
2021-03-30 13:10         ` [PATCH v5 11/21] sparse-index: add 'sdir' index extension Derrick Stolee via GitGitGadget
2021-03-30 13:10         ` [PATCH v5 12/21] sparse-index: convert from full to sparse Derrick Stolee via GitGitGadget
2021-03-30 13:10         ` [PATCH v5 13/21] submodule: sparse-index should not collapse links Derrick Stolee via GitGitGadget
2021-03-30 13:10         ` [PATCH v5 14/21] unpack-trees: allow sparse directories Derrick Stolee via GitGitGadget
2021-03-30 13:10         ` [PATCH v5 15/21] sparse-index: check index conversion happens Derrick Stolee via GitGitGadget
2021-03-30 13:10         ` [PATCH v5 16/21] sparse-index: add index.sparse config option Derrick Stolee via GitGitGadget
2021-03-30 13:11         ` [PATCH v5 17/21] sparse-checkout: toggle sparse index from builtin Derrick Stolee via GitGitGadget
2021-03-30 13:11         ` [PATCH v5 18/21] sparse-checkout: disable sparse-index Derrick Stolee via GitGitGadget
2021-03-30 13:11         ` [PATCH v5 19/21] cache-tree: integrate with sparse directory entries Derrick Stolee via GitGitGadget
2021-03-30 13:11         ` [PATCH v5 20/21] sparse-index: loose integration with cache_tree_verify() Derrick Stolee via GitGitGadget
2021-03-30 13:11         ` [PATCH v5 21/21] p2000: add sparse-index repos Derrick Stolee via GitGitGadget
2021-03-30 20:11         ` [PATCH v5 00/21] Sparse Index: Design, Format, Tests Junio C Hamano
2021-03-30 21:31           ` Derrick Stolee
2021-03-30 21:49             ` Junio C Hamano
2021-04-01  5:59             ` Elijah Newren
2021-04-01  4:38         ` Elijah Newren

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