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From: Patrick Steinhardt <ps@pks.im>
To: git@vger.kernel.org
Cc: Han-Wen Nienhuys <hanwenn@gmail.com>,
	Karthik Nayak <karthik.188@gmail.com>,
	Justin Tobler <jltobler@gmail.com>
Subject: [PATCH v2 02/10] reftable/block: merge `block_iter_seek()` and `block_reader_seek()`
Date: Mon, 8 Apr 2024 14:16:31 +0200	[thread overview]
Message-ID: <d0b318b8ee33b6c8c749dcb5781b9dd37f00ed44.1712578376.git.ps@pks.im> (raw)
In-Reply-To: <cover.1712578376.git.ps@pks.im>

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The function `block_iter_seek()` is merely a simple wrapper around
`block_reader_seek()`. Merge those two functions into a new function
`block_iter_seek_key()` that more clearly says what it is actually
doing.

Signed-off-by: Patrick Steinhardt <ps@pks.im>
---
 reftable/block.c      | 9 ++-------
 reftable/block.h      | 7 ++-----
 reftable/block_test.c | 4 ++--
 reftable/reader.c     | 4 ++--
 4 files changed, 8 insertions(+), 16 deletions(-)

diff --git a/reftable/block.c b/reftable/block.c
index 53ea92d04e..1015f9c04c 100644
--- a/reftable/block.c
+++ b/reftable/block.c
@@ -373,19 +373,14 @@ int block_reader_first_key(struct block_reader *br, struct strbuf *key)
 	return 0;
 }
 
-int block_iter_seek(struct block_iter *it, struct strbuf *want)
-{
-	return block_reader_seek(it->br, it, want);
-}
-
 void block_iter_close(struct block_iter *it)
 {
 	strbuf_release(&it->last_key);
 	strbuf_release(&it->scratch);
 }
 
-int block_reader_seek(struct block_reader *br, struct block_iter *it,
-		      struct strbuf *want)
+int block_iter_seek_key(struct block_iter *it, struct block_reader *br,
+			struct strbuf *want)
 {
 	struct restart_needle_less_args args = {
 		.needle = *want,
diff --git a/reftable/block.h b/reftable/block.h
index 44a9a8de7d..1734bee917 100644
--- a/reftable/block.h
+++ b/reftable/block.h
@@ -101,8 +101,8 @@ int block_reader_init(struct block_reader *br, struct reftable_block *bl,
 void block_iter_seek_start(struct block_iter *it, struct block_reader *br);
 
 /* Position `it` to the `want` key in the block */
-int block_reader_seek(struct block_reader *br, struct block_iter *it,
-		      struct strbuf *want);
+int block_iter_seek_key(struct block_iter *it, struct block_reader *br,
+			struct strbuf *want);
 
 /* Returns the block type (eg. 'r' for refs) */
 uint8_t block_reader_type(struct block_reader *r);
@@ -115,9 +115,6 @@ void block_iter_copy_from(struct block_iter *dest, struct block_iter *src);
 /* return < 0 for error, 0 for OK, > 0 for EOF. */
 int block_iter_next(struct block_iter *it, struct reftable_record *rec);
 
-/* Seek to `want` with in the block pointed to by `it` */
-int block_iter_seek(struct block_iter *it, struct strbuf *want);
-
 /* deallocate memory for `it`. The block reader and its block is left intact. */
 void block_iter_close(struct block_iter *it);
 
diff --git a/reftable/block_test.c b/reftable/block_test.c
index a719be7c50..26a9cfbc83 100644
--- a/reftable/block_test.c
+++ b/reftable/block_test.c
@@ -89,7 +89,7 @@ static void test_block_read_write(void)
 		strbuf_reset(&want);
 		strbuf_addstr(&want, names[i]);
 
-		n = block_reader_seek(&br, &it, &want);
+		n = block_iter_seek_key(&it, &br, &want);
 		EXPECT(n == 0);
 
 		n = block_iter_next(&it, &rec);
@@ -98,7 +98,7 @@ static void test_block_read_write(void)
 		EXPECT_STREQ(names[i], rec.u.ref.refname);
 
 		want.len--;
-		n = block_reader_seek(&br, &it, &want);
+		n = block_iter_seek_key(&it, &br, &want);
 		EXPECT(n == 0);
 
 		n = block_iter_next(&it, &rec);
diff --git a/reftable/reader.c b/reftable/reader.c
index d7d47e8640..f70efa2b7c 100644
--- a/reftable/reader.c
+++ b/reftable/reader.c
@@ -483,7 +483,7 @@ static int reader_seek_linear(struct table_iter *ti,
 		table_iter_copy_from(ti, &next);
 	}
 
-	err = block_iter_seek(&ti->bi, &want_key);
+	err = block_iter_seek_key(&ti->bi, ti->bi.br, &want_key);
 	if (err < 0)
 		goto done;
 	err = 0;
@@ -558,7 +558,7 @@ static int reader_seek_indexed(struct reftable_reader *r,
 		if (err != 0)
 			goto done;
 
-		err = block_iter_seek(&next.bi, &want_index.u.idx.last_key);
+		err = block_iter_seek_key(&next.bi, next.bi.br, &want_index.u.idx.last_key);
 		if (err < 0)
 			goto done;
 
-- 
2.44.GIT


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  parent reply	other threads:[~2024-04-08 12:17 UTC|newest]

Thread overview: 31+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-03-27  6:36 [PATCH 0/9] reftable: optimize table and block iterators Patrick Steinhardt
2024-03-27  6:36 ` [PATCH 1/9] reftable/block: rename `block_reader_start()` Patrick Steinhardt
2024-03-27  6:37 ` [PATCH 2/9] reftable/block: merge `block_iter_seek()` and `block_reader_seek()` Patrick Steinhardt
2024-03-27  6:37 ` [PATCH 3/9] reftable/block: better grouping of functions Patrick Steinhardt
2024-03-27  6:37 ` [PATCH 4/9] reftable/block: introduce `block_reader_release()` Patrick Steinhardt
2024-04-03 13:16   ` Karthik Nayak
2024-04-08 12:10     ` Patrick Steinhardt
2024-03-27  6:37 ` [PATCH 5/9] reftable/block: move ownership of block reader into `struct table_iter` Patrick Steinhardt
2024-04-03  4:52   ` Justin Tobler
2024-04-03 13:10     ` Patrick Steinhardt
2024-03-27  6:37 ` [PATCH 6/9] reftable/reader: iterate to next block in place Patrick Steinhardt
2024-03-27  6:37 ` [PATCH 7/9] reftable/block: reuse uncompressed blocks Patrick Steinhardt
2024-03-27  6:37 ` [PATCH 8/9] reftable/block: open-code call to `uncompress2()` Patrick Steinhardt
2024-03-27  6:37 ` [PATCH 9/9] reftable/block: reuse `zstream` state on inflation Patrick Steinhardt
2024-04-03 13:33 ` [PATCH 0/9] reftable: optimize table and block iterators Karthik Nayak
2024-04-08 12:16 ` [PATCH v2 00/10] " Patrick Steinhardt
2024-04-08 12:16   ` [PATCH v2 01/10] reftable/block: rename `block_reader_start()` Patrick Steinhardt
2024-04-08 12:16   ` Patrick Steinhardt [this message]
2024-04-08 12:16   ` [PATCH v2 03/10] reftable/block: better grouping of functions Patrick Steinhardt
2024-04-08 12:16   ` [PATCH v2 04/10] reftable/block: introduce `block_reader_release()` Patrick Steinhardt
2024-04-08 12:16   ` [PATCH v2 05/10] reftable/block: move ownership of block reader into `struct table_iter` Patrick Steinhardt
2024-04-08 12:16   ` [PATCH v2 06/10] reftable/reader: iterate to next block in place Patrick Steinhardt
2024-04-08 12:16   ` [PATCH v2 07/10] reftable/block: reuse uncompressed blocks Patrick Steinhardt
2024-04-08 12:16   ` [PATCH v2 08/10] reftable/block: open-code call to `uncompress2()` Patrick Steinhardt
2024-04-08 12:17   ` [PATCH v2 09/10] reftable/block: reuse `zstream` state on inflation Patrick Steinhardt
2024-04-10 10:15     ` Karthik Nayak
2024-04-08 12:17   ` [PATCH v2 10/10] reftable/block: avoid copying block iterators on seek Patrick Steinhardt
2024-04-09  1:29     ` Justin Tobler
2024-04-09  3:18       ` Patrick Steinhardt
2024-04-09  1:32   ` [PATCH v2 00/10] reftable: optimize table and block iterators Justin Tobler
2024-04-10 11:35   ` Karthik Nayak

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