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[Qemu-devel] [PATCH v5 13/20] raw: Switch to .bdrv_co_block_status()
From: |
Eric Blake |
Subject: |
[Qemu-devel] [PATCH v5 13/20] raw: Switch to .bdrv_co_block_status() |
Date: |
Thu, 30 Nov 2017 19:42:35 -0600 |
We are gradually moving away from sector-based interfaces, towards
byte-based. Update the raw driver accordingly.
Signed-off-by: Eric Blake <address@hidden>
Reviewed-by: Vladimir Sementsov-Ogievskiy <address@hidden>
---
v5: no change
v4: rebase to interface tweak
v3: no change
v2: rebase to mapping
---
block/raw-format.c | 16 ++++++++--------
1 file changed, 8 insertions(+), 8 deletions(-)
diff --git a/block/raw-format.c b/block/raw-format.c
index ab552c0954..830243a8e4 100644
--- a/block/raw-format.c
+++ b/block/raw-format.c
@@ -250,17 +250,17 @@ fail:
return ret;
}
-static int64_t coroutine_fn raw_co_get_block_status(BlockDriverState *bs,
- int64_t sector_num,
- int nb_sectors, int *pnum,
+static int coroutine_fn raw_co_block_status(BlockDriverState *bs,
+ bool want_zero, int64_t offset,
+ int64_t bytes, int64_t *pnum,
+ int64_t *map,
BlockDriverState **file)
{
BDRVRawState *s = bs->opaque;
- *pnum = nb_sectors;
+ *pnum = bytes;
*file = bs->file->bs;
- sector_num += s->offset / BDRV_SECTOR_SIZE;
- return BDRV_BLOCK_RAW | BDRV_BLOCK_OFFSET_VALID |
- (sector_num << BDRV_SECTOR_BITS);
+ *map = offset + s->offset;
+ return BDRV_BLOCK_RAW | BDRV_BLOCK_OFFSET_VALID;
}
static int coroutine_fn raw_co_pwrite_zeroes(BlockDriverState *bs,
@@ -496,7 +496,7 @@ BlockDriver bdrv_raw = {
.bdrv_co_pwritev = &raw_co_pwritev,
.bdrv_co_pwrite_zeroes = &raw_co_pwrite_zeroes,
.bdrv_co_pdiscard = &raw_co_pdiscard,
- .bdrv_co_get_block_status = &raw_co_get_block_status,
+ .bdrv_co_block_status = &raw_co_block_status,
.bdrv_truncate = &raw_truncate,
.bdrv_getlength = &raw_getlength,
.has_variable_length = true,
--
2.14.3
- [Qemu-devel] [PATCH v5 00/20] add byte-based block_status driver callbacks, Eric Blake, 2017/12/01
- [Qemu-devel] [PATCH v5 13/20] raw: Switch to .bdrv_co_block_status(),
Eric Blake <=
- [Qemu-devel] [PATCH v5 14/20] sheepdog: Switch to .bdrv_co_block_status(), Eric Blake, 2017/12/01
- [Qemu-devel] [PATCH v5 16/20] vdi: Switch to .bdrv_co_block_status(), Eric Blake, 2017/12/01
- [Qemu-devel] [PATCH v5 05/20] iscsi: Switch cluster_sectors to byte-based, Eric Blake, 2017/12/01
- [Qemu-devel] [PATCH v5 04/20] gluster: Switch to .bdrv_co_block_status(), Eric Blake, 2017/12/01
- [Qemu-devel] [PATCH v5 01/20] block: Add .bdrv_co_block_status() callback, Eric Blake, 2017/12/01
[Qemu-devel] [PATCH v5 17/20] vmdk: Switch to .bdrv_co_block_status(), Eric Blake, 2017/12/01