[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[PULL 13/18] block: use the request length for iov alignment
From: |
Kevin Wolf |
Subject: |
[PULL 13/18] block: use the request length for iov alignment |
Date: |
Fri, 30 Sep 2022 18:52:17 +0200 |
From: Keith Busch <kbusch@kernel.org>
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>
---
block/file-posix.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
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;
}
}
--
2.37.3
- [PULL 03/18] qemu-img: Wean documentation and help output off '?' for help, (continued)
- [PULL 03/18] qemu-img: Wean documentation and help output off '?' for help, Kevin Wolf, 2022/09/30
- [PULL 07/18] block: make serializing requests functions 'void', Kevin Wolf, 2022/09/30
- [PULL 05/18] block: add missed block_acct_setup with new block device init procedure, Kevin Wolf, 2022/09/30
- [PULL 08/18] gluster: stop using .bdrv_needs_filename, Kevin Wolf, 2022/09/30
- [PULL 14/18] piix_ide_reset: Use pci_set_* functions instead of direct access, Kevin Wolf, 2022/09/30
- [PULL 09/18] block/qcow2: Keep auto_backing_file if possible, Kevin Wolf, 2022/09/30
- [PULL 12/18] block: move bdrv_qiov_is_aligned to file-posix, Kevin Wolf, 2022/09/30
- [PULL 10/18] block/qed: Keep auto_backing_file if possible, Kevin Wolf, 2022/09/30
- [PULL 16/18] hw/ide/core: Clear LBA and drive bits for EXECUTE DEVICE DIAGNOSTIC, Kevin Wolf, 2022/09/30
- [PULL 15/18] tests/qtest/ide-test.c: Create disk image for use as a secondary, Kevin Wolf, 2022/09/30
- [PULL 13/18] block: use the request length for iov alignment,
Kevin Wolf <=
- [PULL 17/18] tests/qtest/ide-test: Verify that DIAGNOSTIC clears DEV to zero, Kevin Wolf, 2022/09/30
- [PULL 18/18] hw/ide/core.c: Implement ATA INITIALIZE_DEVICE_PARAMETERS command, Kevin Wolf, 2022/09/30
- [PULL 11/18] iotests/backing-file-invalidation: Add new test, Kevin Wolf, 2022/09/30