diff options
| author | Peter Lieven <pl@kamp.de> | 2013-10-24 12:07:00 +0200 |
|---|---|---|
| committer | Kevin Wolf <kwolf@redhat.com> | 2013-11-28 10:30:52 +0100 |
| commit | ba6c59191f245147e7ee0c2b9ecaf5fb116f7877 (patch) | |
| tree | e68859ae488123a49ca3f7dd1bced86a28c1fe69 /block | |
| parent | 6f14da5247076bde1e00444f6d5b2b7ca8075a09 (diff) | |
iscsi: set limits in BlockDriverState
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Peter Lieven <pl@kamp.de>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Diffstat (limited to 'block')
| -rw-r--r-- | block/iscsi.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/block/iscsi.c b/block/iscsi.c index 3095887a27..1cafa782a1 100644 --- a/block/iscsi.c +++ b/block/iscsi.c @@ -1384,6 +1384,20 @@ 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->bl.max_discard = sector_lun2qemu(iscsilun->bl.max_unmap, + iscsilun); + } + bs->bl.discard_alignment = sector_lun2qemu(iscsilun->bl.opt_unmap_gran, + iscsilun); + + if (iscsilun->bl.max_ws_len < 0xffffffff) { + bs->bl.max_write_zeroes = sector_lun2qemu(iscsilun->bl.max_ws_len, + iscsilun); + } + bs->bl.write_zeroes_alignment = sector_lun2qemu(iscsilun->bl.opt_unmap_gran, + iscsilun); } #if defined(LIBISCSI_FEATURE_NOP_COUNTER) |