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[PATCH v2 4/9] block/write-threshold: drop extra APIs
From: |
Vladimir Sementsov-Ogievskiy |
Subject: |
[PATCH v2 4/9] block/write-threshold: drop extra APIs |
Date: |
Tue, 4 May 2021 11:25:48 +0300 |
bdrv_write_threshold_exceeded() is unused at all.
bdrv_write_threshold_is_set() is used only to double check the value of
bs->write_threshold_offset in tests. No real sense in it (both tests do
check real value with help of bdrv_write_threshold_get())
Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
---
include/block/write-threshold.h | 24 ------------------------
block/write-threshold.c | 19 -------------------
tests/unit/test-write-threshold.c | 4 ----
3 files changed, 47 deletions(-)
diff --git a/include/block/write-threshold.h b/include/block/write-threshold.h
index 7942dcc368..072bc8f286 100644
--- a/include/block/write-threshold.h
+++ b/include/block/write-threshold.h
@@ -35,30 +35,6 @@ void bdrv_write_threshold_set(BlockDriverState *bs, uint64_t
threshold_bytes);
*/
uint64_t bdrv_write_threshold_get(const BlockDriverState *bs);
-/*
- * bdrv_write_threshold_is_set
- *
- * Tell if a write threshold is set for a given BDS.
- */
-bool bdrv_write_threshold_is_set(const BlockDriverState *bs);
-
-/*
- * bdrv_write_threshold_exceeded
- *
- * Return the extent of a write request that exceeded the threshold,
- * or zero if the request is below the threshold.
- * Return zero also if the threshold was not set.
- *
- * NOTE: here we assume the following holds for each request this code
- * deals with:
- *
- * assert((req->offset + req->bytes) <= UINT64_MAX)
- *
- * Please not there is *not* an actual C assert().
- */
-uint64_t bdrv_write_threshold_exceeded(const BlockDriverState *bs,
- const BdrvTrackedRequest *req);
-
/*
* bdrv_write_threshold_check_write
*
diff --git a/block/write-threshold.c b/block/write-threshold.c
index 11152c60df..ae54ee05dc 100644
--- a/block/write-threshold.c
+++ b/block/write-threshold.c
@@ -24,25 +24,6 @@ uint64_t bdrv_write_threshold_get(const BlockDriverState *bs)
return bs->write_threshold_offset;
}
-bool bdrv_write_threshold_is_set(const BlockDriverState *bs)
-{
- return bs->write_threshold_offset > 0;
-}
-
-uint64_t bdrv_write_threshold_exceeded(const BlockDriverState *bs,
- const BdrvTrackedRequest *req)
-{
- if (bdrv_write_threshold_is_set(bs)) {
- if (req->offset > bs->write_threshold_offset) {
- return (req->offset - bs->write_threshold_offset) + req->bytes;
- }
- if ((req->offset + req->bytes) > bs->write_threshold_offset) {
- return (req->offset + req->bytes) - bs->write_threshold_offset;
- }
- }
- return 0;
-}
-
void bdrv_write_threshold_set(BlockDriverState *bs, uint64_t threshold_bytes)
{
bs->write_threshold_offset = threshold_bytes;
diff --git a/tests/unit/test-write-threshold.c
b/tests/unit/test-write-threshold.c
index fd40a815b8..bb5c1a5217 100644
--- a/tests/unit/test-write-threshold.c
+++ b/tests/unit/test-write-threshold.c
@@ -18,8 +18,6 @@ static void test_threshold_not_set_on_init(void)
BlockDriverState bs;
memset(&bs, 0, sizeof(bs));
- g_assert(!bdrv_write_threshold_is_set(&bs));
-
res = bdrv_write_threshold_get(&bs);
g_assert_cmpint(res, ==, 0);
}
@@ -33,8 +31,6 @@ static void test_threshold_set_get(void)
bdrv_write_threshold_set(&bs, threshold);
- g_assert(bdrv_write_threshold_is_set(&bs));
-
res = bdrv_write_threshold_get(&bs);
g_assert_cmpint(res, ==, threshold);
}
--
2.29.2
- [PATCH v2 0/9] block: refactor write threshold, Vladimir Sementsov-Ogievskiy, 2021/05/04
- [PATCH v2 2/9] block: drop write notifiers, Vladimir Sementsov-Ogievskiy, 2021/05/04
- [PATCH v2 4/9] block/write-threshold: drop extra APIs,
Vladimir Sementsov-Ogievskiy <=
- [PATCH v2 3/9] test-write-threshold: rewrite test_threshold_(not_)trigger tests, Vladimir Sementsov-Ogievskiy, 2021/05/04
- [PATCH v2 5/9] block/write-threshold: don't use aio context lock, Vladimir Sementsov-Ogievskiy, 2021/05/04
- [PATCH v2 7/9] test-write-threshold: drop extra TestStruct structure, Vladimir Sementsov-Ogievskiy, 2021/05/04
- [PATCH v2 6/9] test-write-threshold: drop extra tests, Vladimir Sementsov-Ogievskiy, 2021/05/04