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[Qemu-devel] [PATCH 2/5] block: Honor flags during bdrv_aligned_preadv()
From: |
Eric Blake |
Subject: |
[Qemu-devel] [PATCH 2/5] block: Honor flags during bdrv_aligned_preadv() |
Date: |
Fri, 3 Jun 2016 11:03:05 -0600 |
Not that we pass any flags during reads yet, but we may want to
support BDRV_REQ_FUA on reads in the future. So don't throw
away the input flags.
Signed-off-by: Eric Blake <address@hidden>
---
block/io.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/block/io.c b/block/io.c
index 81618b9..3c7b233 100644
--- a/block/io.c
+++ b/block/io.c
@@ -983,7 +983,7 @@ static int coroutine_fn
bdrv_aligned_preadv(BlockDriverState *bs,
/* Forward the request to the BlockDriver */
if (!bs->zero_beyond_eof) {
- ret = bdrv_driver_preadv(bs, offset, bytes, qiov, 0);
+ ret = bdrv_driver_preadv(bs, offset, bytes, qiov, flags);
} else {
/* Read zeros after EOF */
int64_t total_sectors, max_nb_sectors;
@@ -997,7 +997,7 @@ static int coroutine_fn
bdrv_aligned_preadv(BlockDriverState *bs,
max_nb_sectors = ROUND_UP(MAX(0, total_sectors - sector_num),
align >> BDRV_SECTOR_BITS);
if (nb_sectors < max_nb_sectors) {
- ret = bdrv_driver_preadv(bs, offset, bytes, qiov, 0);
+ ret = bdrv_driver_preadv(bs, offset, bytes, qiov, flags);
} else if (max_nb_sectors > 0) {
QEMUIOVector local_qiov;
@@ -1007,7 +1007,7 @@ static int coroutine_fn
bdrv_aligned_preadv(BlockDriverState *bs,
ret = bdrv_driver_preadv(bs, offset,
max_nb_sectors * BDRV_SECTOR_SIZE,
- &local_qiov, 0);
+ &local_qiov, flags);
qemu_iovec_destroy(&local_qiov);
} else {
--
2.5.5
- Re: [Qemu-devel] [PATCH 5/5] block: Move request_alignment into BlockLimit, (continued)
Re: [Qemu-devel] [PATCH 5/5] block: Move request_alignment into BlockLimit, Kevin Wolf, 2016/06/07
[Qemu-devel] [PATCH 3/5] block: Switch transfer length bounds to byte-based, Eric Blake, 2016/06/03
[Qemu-devel] [PATCH 1/5] block: Tighter assertions on bdrv_aligned_preadv(), Eric Blake, 2016/06/03
[Qemu-devel] [PATCH 2/5] block: Honor flags during bdrv_aligned_preadv(),
Eric Blake <=
[Qemu-devel] [PATCH 6/5] block: Fix harmless off-by-one in bdrv_aligned_preadv(), Eric Blake, 2016/06/03
[Qemu-devel] [PATCH 7/5] block: Refactor zero_beyond_eof hack in bdrv_aligned_preadv(), Eric Blake, 2016/06/03