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block: Convert bdrv_pwrite_compressed() to BdrvChild 

Signed-off-by: Pavel Butsykin <pbutsykin@virtuozzo.com>
Signed-off-by: Denis V. Lunev <den@openvz.org>
Reviewed-by: Eric Blake <eblake@redhat.com>
CC: Jeff Cody <jcody@redhat.com>
CC: Markus Armbruster <armbru@redhat.com>
CC: Eric Blake <eblake@redhat.com>
CC: John Snow <jsnow@redhat.com>
CC: Stefan Hajnoczi <stefanha@redhat.com>
CC: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
This commit is contained in:
Pavel Butsykin 2016-07-22 11:17:41 +03:00 committed by Kevin Wolf
parent fe5c1355e7
commit 751e2f0698
3 changed files with 4 additions and 3 deletions
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2
block/block-backend.c
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@ -1493,7 +1493,7 @@ int blk_pwrite_compressed(BlockBackend *blk, int64_t offset, const void *buf,
return ret;
}
return bdrv_pwrite_compressed(blk_bs(blk), offset, buf, count);
return bdrv_pwrite_compressed(blk->root, offset, buf, count);
}
int blk_truncate(BlockBackend *blk, int64_t offset)

3
block/io.c
View File

@ -1868,9 +1868,10 @@ int bdrv_is_allocated_above(BlockDriverState *top,
return 0;
}
int bdrv_pwrite_compressed(BlockDriverState *bs, int64_t offset,
int bdrv_pwrite_compressed(BdrvChild *child, int64_t offset,
const void *buf, int bytes)
{
BlockDriverState *bs = child->bs;
BlockDriver *drv = bs->drv;
int ret;

2
include/block/block.h
View File

@ -399,7 +399,7 @@ const char *bdrv_get_node_name(const BlockDriverState *bs);
const char *bdrv_get_device_name(const BlockDriverState *bs);
const char *bdrv_get_device_or_node_name(const BlockDriverState *bs);
int bdrv_get_flags(BlockDriverState *bs);
int bdrv_pwrite_compressed(BlockDriverState *bs, int64_t offset,
int bdrv_pwrite_compressed(BdrvChild *child, int64_t offset,
const void *buf, int bytes);
int bdrv_get_info(BlockDriverState *bs, BlockDriverInfo *bdi);
ImageInfoSpecific *bdrv_get_specific_info(BlockDriverState *bs);