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block: move bdrv_qiov_is_aligned to file-posix

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There is only user of bdrv_qiov_is_aligned(), so move the alignment
function to there and make it static.

Signed-off-by: Keith Busch <kbusch@kernel.org>
Message-Id: <20220929200523.3218710-2-kbusch@meta.com>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
This commit is contained in:
Keith Busch 2022-09-29 13:05:22 -07:00 • committed by Kevin Wolf
parent 283153f10a
commit a7c5f67a78
3 changed files with 21 additions and 22 deletions
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21
block/file-posix.c
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@ -2061,6 +2061,27 @@ static int coroutine_fn raw_thread_pool_submit(BlockDriverState *bs,
return thread_pool_submit_co(pool, func, arg);
}
/*
* Check if all memory in this vector is sector aligned.
*/
static bool bdrv_qiov_is_aligned(BlockDriverState *bs, QEMUIOVector *qiov)
{
int i;
size_t alignment = bdrv_min_mem_align(bs);
IO_CODE();
for (i = 0; i < qiov->niov; i++) {
if ((uintptr_t) qiov->iov[i].iov_base % alignment) {
return false;
}
if (qiov->iov[i].iov_len % alignment) {
return false;
}
}
return true;
}
static int coroutine_fn raw_co_prw(BlockDriverState *bs, uint64_t offset,
uint64_t bytes, QEMUIOVector *qiov, int type)
{