diff options
| author | Paolo Bonzini <pbonzini@redhat.com> | 2013-11-22 13:39:44 +0100 |
|---|---|---|
| committer | Stefan Hajnoczi <stefanha@redhat.com> | 2013-12-03 15:26:48 +0100 |
| commit | d20d9b7c6723d0123b7d60dd5557aa0a6599f471 (patch) | |
| tree | b59fe7af29b5d3f45e5204c6623407d36333a82d /block.c | |
| parent | d51e9fe505f7c7b97762100dd0e42cef43c90524 (diff) | |
| download | qemu-d20d9b7c6723d0123b7d60dd5557aa0a6599f471.tar.gz | |
block: add flags to BlockRequest
This lets bdrv_co_do_rw receive flags, so that it can be used for
zero writes.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Peter Lieven <pl@kamp.de>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Diffstat (limited to 'block.c')
| -rw-r--r-- | block.c | 17 |
1 files changed, 11 insertions, 6 deletions
@@ -79,6 +79,7 @@ static BlockDriverAIOCB *bdrv_co_aio_rw_vector(BlockDriverState *bs, int64_t sector_num, QEMUIOVector *qiov, int nb_sectors, + BdrvRequestFlags flags, BlockDriverCompletionFunc *cb, void *opaque, bool is_write); @@ -3669,7 +3670,7 @@ BlockDriverAIOCB *bdrv_aio_readv(BlockDriverState *bs, int64_t sector_num, { trace_bdrv_aio_readv(bs, sector_num, nb_sectors, opaque); - return bdrv_co_aio_rw_vector(bs, sector_num, qiov, nb_sectors, + return bdrv_co_aio_rw_vector(bs, sector_num, qiov, nb_sectors, 0, cb, opaque, false); } @@ -3679,7 +3680,7 @@ BlockDriverAIOCB *bdrv_aio_writev(BlockDriverState *bs, int64_t sector_num, { trace_bdrv_aio_writev(bs, sector_num, nb_sectors, opaque); - return bdrv_co_aio_rw_vector(bs, sector_num, qiov, nb_sectors, + return bdrv_co_aio_rw_vector(bs, sector_num, qiov, nb_sectors, 0, cb, opaque, true); } @@ -3851,8 +3852,10 @@ int bdrv_aio_multiwrite(BlockDriverState *bs, BlockRequest *reqs, int num_reqs) /* Run the aio requests. */ mcb->num_requests = num_reqs; for (i = 0; i < num_reqs; i++) { - bdrv_aio_writev(bs, reqs[i].sector, reqs[i].qiov, - reqs[i].nb_sectors, multiwrite_cb, mcb); + bdrv_co_aio_rw_vector(bs, reqs[i].sector, reqs[i].qiov, + reqs[i].nb_sectors, reqs[i].flags, + multiwrite_cb, mcb, + true); } return 0; @@ -3994,10 +3997,10 @@ static void coroutine_fn bdrv_co_do_rw(void *opaque) if (!acb->is_write) { acb->req.error = bdrv_co_do_readv(bs, acb->req.sector, - acb->req.nb_sectors, acb->req.qiov, 0); + acb->req.nb_sectors, acb->req.qiov, acb->req.flags); } else { acb->req.error = bdrv_co_do_writev(bs, acb->req.sector, - acb->req.nb_sectors, acb->req.qiov, 0); + acb->req.nb_sectors, acb->req.qiov, acb->req.flags); } acb->bh = qemu_bh_new(bdrv_co_em_bh, acb); @@ -4008,6 +4011,7 @@ static BlockDriverAIOCB *bdrv_co_aio_rw_vector(BlockDriverState *bs, int64_t sector_num, QEMUIOVector *qiov, int nb_sectors, + BdrvRequestFlags flags, BlockDriverCompletionFunc *cb, void *opaque, bool is_write) @@ -4019,6 +4023,7 @@ static BlockDriverAIOCB *bdrv_co_aio_rw_vector(BlockDriverState *bs, acb->req.sector = sector_num; acb->req.nb_sectors = nb_sectors; acb->req.qiov = qiov; + acb->req.flags = flags; acb->is_write = is_write; acb->done = NULL; |