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[Qemu-devel] [PATCH 04/20] block: make round_to_clusters public
From: |
Paolo Bonzini |
Subject: |
[Qemu-devel] [PATCH 04/20] block: make round_to_clusters public |
Date: |
Wed, 12 Dec 2012 14:46:23 +0100 |
This is needed in the following patch.
Reviewed-by: Laszlo Ersek <address@hidden>
Signed-off-by: Paolo Bonzini <address@hidden>
---
block.c | 16 ++++++++--------
block.h | 4 ++++
2 files changed, 12 insertions(+), 8 deletions(-)
diff --git a/block.c b/block.c
index f033c1e..d93c386 100644
--- a/block.c
+++ b/block.c
@@ -1660,10 +1660,10 @@ static void tracked_request_begin(BdrvTrackedRequest
*req,
/**
* Round a region to cluster boundaries
*/
-static void round_to_clusters(BlockDriverState *bs,
- int64_t sector_num, int nb_sectors,
- int64_t *cluster_sector_num,
- int *cluster_nb_sectors)
+void bdrv_round_to_clusters(BlockDriverState *bs,
+ int64_t sector_num, int nb_sectors,
+ int64_t *cluster_sector_num,
+ int *cluster_nb_sectors)
{
BlockDriverInfo bdi;
@@ -1705,8 +1705,8 @@ static void coroutine_fn
wait_for_overlapping_requests(BlockDriverState *bs,
* CoR read and write operations are atomic and guest writes cannot
* interleave between them.
*/
- round_to_clusters(bs, sector_num, nb_sectors,
- &cluster_sector_num, &cluster_nb_sectors);
+ bdrv_round_to_clusters(bs, sector_num, nb_sectors,
+ &cluster_sector_num, &cluster_nb_sectors);
do {
retry = false;
@@ -2172,8 +2172,8 @@ static int coroutine_fn
bdrv_co_do_copy_on_readv(BlockDriverState *bs,
/* Cover entire cluster so no additional backing file I/O is required when
* allocating cluster in the image file.
*/
- round_to_clusters(bs, sector_num, nb_sectors,
- &cluster_sector_num, &cluster_nb_sectors);
+ bdrv_round_to_clusters(bs, sector_num, nb_sectors,
+ &cluster_sector_num, &cluster_nb_sectors);
trace_bdrv_co_do_copy_on_readv(bs, sector_num, nb_sectors,
cluster_sector_num, cluster_nb_sectors);
diff --git a/block.h b/block.h
index 6a84350..1418915 100644
--- a/block.h
+++ b/block.h
@@ -309,6 +309,10 @@ int bdrv_get_flags(BlockDriverState *bs);
int bdrv_write_compressed(BlockDriverState *bs, int64_t sector_num,
const uint8_t *buf, int nb_sectors);
int bdrv_get_info(BlockDriverState *bs, BlockDriverInfo *bdi);
+void bdrv_round_to_clusters(BlockDriverState *bs,
+ int64_t sector_num, int nb_sectors,
+ int64_t *cluster_sector_num,
+ int *cluster_nb_sectors);
const char *bdrv_get_encrypted_filename(BlockDriverState *bs);
void bdrv_get_backing_filename(BlockDriverState *bs,
--
1.8.0.1
- [Qemu-devel] [PATCH 00/20] Block device mirroring enhancements, 12-12-12 edition, Paolo Bonzini, 2012/12/12
- [Qemu-devel] [PATCH 02/20] add hierarchical bitmap data type and test cases, Paolo Bonzini, 2012/12/12
- [Qemu-devel] [PATCH 04/20] block: make round_to_clusters public,
Paolo Bonzini <=
- [Qemu-devel] [PATCH 03/20] block: implement dirty bitmap using HBitmap, Paolo Bonzini, 2012/12/12
- [Qemu-devel] [PATCH 05/20] mirror: perform COW if the cluster size is bigger than the granularity, Paolo Bonzini, 2012/12/12
- [Qemu-devel] [PATCH 07/20] block: allow customizing the granularity of the dirty bitmap, Paolo Bonzini, 2012/12/12
- [Qemu-devel] [PATCH 06/20] block: return count of dirty sectors, not chunks, Paolo Bonzini, 2012/12/12