Message ID | 1385124001-3576-5-git-send-email-pbonzini@redhat.com |
---|---|
State | New |
Headers | show |
On 22.11.2013 13:39, Paolo Bonzini wrote: > This will be used by the SCSI layer. > > Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> > --- > block.c | 11 +++++++++++ > include/block/block.h | 3 +++ > trace-events | 1 + > 3 files changed, 15 insertions(+) > > diff --git a/block.c b/block.c > index cb07e57..f9674d9 100644 > --- a/block.c > +++ b/block.c > @@ -3670,6 +3670,17 @@ BlockDriverAIOCB *bdrv_aio_writev(BlockDriverState *bs, int64_t sector_num, > cb, opaque, true); > } > > +BlockDriverAIOCB *bdrv_aio_write_zeroes(BlockDriverState *bs, > + int64_t sector_num, int nb_sectors, BdrvRequestFlags flags, > + BlockDriverCompletionFunc *cb, void *opaque) > +{ > + trace_bdrv_aio_write_zeroes(bs, sector_num, nb_sectors, flags, opaque); > + > + return bdrv_co_aio_rw_vector(bs, sector_num, NULL, nb_sectors, > + BDRV_REQ_ZERO_WRITE | flags, > + cb, opaque, true); > +} > + > > typedef struct MultiwriteCB { > int error; > diff --git a/include/block/block.h b/include/block/block.h > index 703d875..4967ed2 100644 > --- a/include/block/block.h > +++ b/include/block/block.h > @@ -216,6 +216,9 @@ int bdrv_write(BlockDriverState *bs, int64_t sector_num, > const uint8_t *buf, int nb_sectors); > int bdrv_write_zeroes(BlockDriverState *bs, int64_t sector_num, > int nb_sectors, BdrvRequestFlags flags); > +BlockDriverAIOCB *bdrv_aio_write_zeroes(BlockDriverState *bs, int64_t sector_num, > + int nb_sectors, BdrvRequestFlags flags, > + BlockDriverCompletionFunc *cb, void *opaque); > int bdrv_make_zero(BlockDriverState *bs, BdrvRequestFlags flags); > int bdrv_writev(BlockDriverState *bs, int64_t sector_num, QEMUIOVector *qiov); > int bdrv_pread(BlockDriverState *bs, int64_t offset, > diff --git a/trace-events b/trace-events > index f159ac9..d318d6f 100644 > --- a/trace-events > +++ b/trace-events > @@ -60,6 +60,7 @@ bdrv_aio_discard(void *bs, int64_t sector_num, int nb_sectors, void *opaque) "bs > bdrv_aio_flush(void *bs, void *opaque) "bs %p opaque %p" > bdrv_aio_readv(void *bs, int64_t sector_num, int nb_sectors, void *opaque) "bs %p sector_num %"PRId64" nb_sectors %d opaque %p" > bdrv_aio_writev(void *bs, int64_t sector_num, int nb_sectors, void *opaque) "bs %p sector_num %"PRId64" nb_sectors %d opaque %p" > +bdrv_aio_write_zeroes(void *bs, int64_t sector_num, int nb_sectors, int flags, void *opaque) "bs %p sector_num %"PRId64" nb_sectors %d flags %#x opaque %p" > bdrv_lock_medium(void *bs, bool locked) "bs %p locked %d" > bdrv_co_readv(void *bs, int64_t sector_num, int nb_sector) "bs %p sector_num %"PRId64" nb_sectors %d" > bdrv_co_copy_on_readv(void *bs, int64_t sector_num, int nb_sector) "bs %p sector_num %"PRId64" nb_sectors %d" Reviewed-by: Peter Lieven <pl@kamp.de>
diff --git a/block.c b/block.c index cb07e57..f9674d9 100644 --- a/block.c +++ b/block.c @@ -3670,6 +3670,17 @@ BlockDriverAIOCB *bdrv_aio_writev(BlockDriverState *bs, int64_t sector_num, cb, opaque, true); } +BlockDriverAIOCB *bdrv_aio_write_zeroes(BlockDriverState *bs, + int64_t sector_num, int nb_sectors, BdrvRequestFlags flags, + BlockDriverCompletionFunc *cb, void *opaque) +{ + trace_bdrv_aio_write_zeroes(bs, sector_num, nb_sectors, flags, opaque); + + return bdrv_co_aio_rw_vector(bs, sector_num, NULL, nb_sectors, + BDRV_REQ_ZERO_WRITE | flags, + cb, opaque, true); +} + typedef struct MultiwriteCB { int error; diff --git a/include/block/block.h b/include/block/block.h index 703d875..4967ed2 100644 --- a/include/block/block.h +++ b/include/block/block.h @@ -216,6 +216,9 @@ int bdrv_write(BlockDriverState *bs, int64_t sector_num, const uint8_t *buf, int nb_sectors); int bdrv_write_zeroes(BlockDriverState *bs, int64_t sector_num, int nb_sectors, BdrvRequestFlags flags); +BlockDriverAIOCB *bdrv_aio_write_zeroes(BlockDriverState *bs, int64_t sector_num, + int nb_sectors, BdrvRequestFlags flags, + BlockDriverCompletionFunc *cb, void *opaque); int bdrv_make_zero(BlockDriverState *bs, BdrvRequestFlags flags); int bdrv_writev(BlockDriverState *bs, int64_t sector_num, QEMUIOVector *qiov); int bdrv_pread(BlockDriverState *bs, int64_t offset, diff --git a/trace-events b/trace-events index f159ac9..d318d6f 100644 --- a/trace-events +++ b/trace-events @@ -60,6 +60,7 @@ bdrv_aio_discard(void *bs, int64_t sector_num, int nb_sectors, void *opaque) "bs bdrv_aio_flush(void *bs, void *opaque) "bs %p opaque %p" bdrv_aio_readv(void *bs, int64_t sector_num, int nb_sectors, void *opaque) "bs %p sector_num %"PRId64" nb_sectors %d opaque %p" bdrv_aio_writev(void *bs, int64_t sector_num, int nb_sectors, void *opaque) "bs %p sector_num %"PRId64" nb_sectors %d opaque %p" +bdrv_aio_write_zeroes(void *bs, int64_t sector_num, int nb_sectors, int flags, void *opaque) "bs %p sector_num %"PRId64" nb_sectors %d flags %#x opaque %p" bdrv_lock_medium(void *bs, bool locked) "bs %p locked %d" bdrv_co_readv(void *bs, int64_t sector_num, int nb_sector) "bs %p sector_num %"PRId64" nb_sectors %d" bdrv_co_copy_on_readv(void *bs, int64_t sector_num, int nb_sector) "bs %p sector_num %"PRId64" nb_sectors %d"
This will be used by the SCSI layer. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> --- block.c | 11 +++++++++++ include/block/block.h | 3 +++ trace-events | 1 + 3 files changed, 15 insertions(+)