diff options
| author | Keith Busch <kbusch@kernel.org> | 2022-09-29 13:05:23 -0700 |
|---|---|---|
| committer | Kevin Wolf <kwolf@redhat.com> | 2022-09-30 18:43:44 +0200 |
| commit | 25474d90aa50bd32e0de395a33d8de42dd6f2aef (patch) | |
| tree | d2abedb0df4f2f1dfbf259d400980e53d33f0156 /block/file-posix.c | |
| parent | a7c5f67a78569f8c275ea4ea9962e9c79b9d03cb (diff) | |
block: use the request length for iov alignment
An iov length needs to be aligned to the logical block size, which may
be larger than the memory alignment.
Tested-by: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Keith Busch <kbusch@kernel.org>
Message-Id: <20220929200523.3218710-3-kbusch@meta.com>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Diffstat (limited to 'block/file-posix.c')
| -rw-r--r-- | block/file-posix.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/block/file-posix.c b/block/file-posix.c index 989dfc4586..66fdb07820 100644 --- a/block/file-posix.c +++ b/block/file-posix.c @@ -2068,13 +2068,14 @@ static bool bdrv_qiov_is_aligned(BlockDriverState *bs, QEMUIOVector *qiov) { int i; size_t alignment = bdrv_min_mem_align(bs); + size_t len = bs->bl.request_alignment; 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) { + if (qiov->iov[i].iov_len % len) { return false; } } |