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block-backend: simplify blk_get_aio_context 

blk_get_aio_context verifies if BlockDriverState bs is not NULL,
return bdrv_get_aio_context(bs) if true or qemu_get_aio_context()
otherwise. However, bdrv_get_aio_context from block.c already does
this verification itself, also returning qemu_get_aio_context()
if bs is NULL:

AioContext *bdrv_get_aio_context(BlockDriverState *bs)
{
    return bs ? bs->aio_context : qemu_get_aio_context();
}

This patch simplifies blk_get_aio_context to simply call
bdrv_get_aio_context instead of replicating the same logic.

Signed-off-by: Daniel Henrique Barboza <danielhb@linux.vnet.ibm.com>
Reviewed-by: Darren Kenny <darren.kenny@oracle.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
This commit is contained in:
Daniel Henrique Barboza 2018-03-27 10:08:46 -03:00 committed by Kevin Wolf
parent ad1b4ec39c
commit 7803696d85
1 changed files with 1 additions and 7 deletions
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8
block/block-backend.c
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@ -1865,13 +1865,7 @@ void blk_op_unblock_all(BlockBackend *blk, Error *reason)
AioContext *blk_get_aio_context(BlockBackend *blk)
{
BlockDriverState *bs = blk_bs(blk);
if (bs) {
return bdrv_get_aio_context(bs);
} else {
return qemu_get_aio_context();
}
return bdrv_get_aio_context(blk_bs(blk));
}
static AioContext *blk_aiocb_get_aio_context(BlockAIOCB *acb)