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block: split flags in copy_range

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Pass read flags and write flags separately. This is needed to handle
coming BDRV_REQ_NO_SERIALISING clearly in following patches.

Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Reviewed-by: Fam Zheng <famz@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
This commit is contained in:
Vladimir Sementsov-Ogievskiy 2018-07-09 19:37:17 +03:00 • committed by Kevin Wolf
parent 999658a05e
commit 67b51fb998
11 changed files with 90 additions and 59 deletions
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3
include/block/block.h
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@ -699,5 +699,6 @@ void bdrv_unregister_buf(BlockDriverState *bs, void *host);
**/
int coroutine_fn bdrv_co_copy_range(BdrvChild *src, uint64_t src_offset,
BdrvChild *dst, uint64_t dst_offset,
uint64_t bytes, BdrvRequestFlags flags);
uint64_t bytes, BdrvRequestFlags read_flags,
BdrvRequestFlags write_flags);
#endif