motorhead/qemu
1
0
Fork 0
mirror of https://github.com/Motorhead1991/qemu.git synced 2025-07-29 05:13:54 -06:00
Code Issues Projects Releases Packages Wiki Activity Actions

block: split flags in copy_range

Browse source 
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
Download patch file Download diff file Expand all files Collapse all files

14
include/block/block_int.h
View file

@ -218,7 +218,8 @@ struct BlockDriver {
BdrvChild *dst,
uint64_t dst_offset,
uint64_t bytes,
BdrvRequestFlags flags);
BdrvRequestFlags read_flags,
BdrvRequestFlags write_flags);
/* Map [offset, offset + nbytes) range onto a child of bs to copy data to,
* and invoke bdrv_co_copy_range_to(child, src, ...), or perform the copy
@ -234,7 +235,8 @@ struct BlockDriver {
BdrvChild *dst,
uint64_t dst_offset,
uint64_t bytes,
BdrvRequestFlags flags);
BdrvRequestFlags read_flags,
BdrvRequestFlags write_flags);
/*
* Building block for bdrv_block_status[_above] and
@ -1156,10 +1158,14 @@ void blockdev_close_all_bdrv_states(void);
int coroutine_fn bdrv_co_copy_range_from(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);
int coroutine_fn bdrv_co_copy_range_to(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);
int refresh_total_sectors(BlockDriverState *bs, int64_t hint);