Message ID | 1379425736-11326-11-git-send-email-pl@kamp.de |
---|---|
State | New |
Headers | show |
On 09/17/2013 07:48 AM, Peter Lieven wrote: > Signed-off-by: Peter Lieven <pl@kamp.de> > --- > block/iscsi.c | 10 ++++++++++ > 1 file changed, 10 insertions(+) Reviewed-by: Eric Blake <eblake@redhat.com> > > diff --git a/block/iscsi.c b/block/iscsi.c > index aabcddb..21b1ecf 100644 > --- a/block/iscsi.c > +++ b/block/iscsi.c > @@ -1362,6 +1362,16 @@ static int iscsi_open(BlockDriverState *bs, QDict *options, int flags) > sizeof(struct scsi_inquiry_block_limits)); > scsi_free_scsi_task(task); > task = NULL; > + > + if (iscsilun->bl.max_unmap < 0xffffffff) { > + bs->max_discard = sector_lun2qemu(iscsilun->bl.max_unmap, iscsilun); > + } > + bs->discard_alignment = sector_lun2qemu(iscsilun->bl.opt_unmap_gran, iscsilun); > + > + if (iscsilun->bl.max_ws_len < 0xffffffff) { > + bs->max_write_zeroes = sector_lun2qemu(iscsilun->bl.max_ws_len, iscsilun); > + } > + bs->write_zeroes_alignment = sector_lun2qemu(iscsilun->bl.opt_unmap_gran, iscsilun); > } > > #if defined(LIBISCSI_FEATURE_NOP_COUNTER) >
diff --git a/block/iscsi.c b/block/iscsi.c index aabcddb..21b1ecf 100644 --- a/block/iscsi.c +++ b/block/iscsi.c @@ -1362,6 +1362,16 @@ static int iscsi_open(BlockDriverState *bs, QDict *options, int flags) sizeof(struct scsi_inquiry_block_limits)); scsi_free_scsi_task(task); task = NULL; + + if (iscsilun->bl.max_unmap < 0xffffffff) { + bs->max_discard = sector_lun2qemu(iscsilun->bl.max_unmap, iscsilun); + } + bs->discard_alignment = sector_lun2qemu(iscsilun->bl.opt_unmap_gran, iscsilun); + + if (iscsilun->bl.max_ws_len < 0xffffffff) { + bs->max_write_zeroes = sector_lun2qemu(iscsilun->bl.max_ws_len, iscsilun); + } + bs->write_zeroes_alignment = sector_lun2qemu(iscsilun->bl.opt_unmap_gran, iscsilun); } #if defined(LIBISCSI_FEATURE_NOP_COUNTER)
Signed-off-by: Peter Lieven <pl@kamp.de> --- block/iscsi.c | 10 ++++++++++ 1 file changed, 10 insertions(+)