Commit 714eb0db authored by Vladimir Sementsov-Ogievskiy's avatar Vladimir Sementsov-Ogievskiy Committed by Eric Blake
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block/nbd-client: drop max_block restriction from discard 



The NBD spec was updated (see nbd.git commit 9f30fedb) so that
max_block doesn't relate to NBD_CMD_TRIM. So, drop the restriction.

Signed-off-by: default avatarVladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Message-Id: <20200401150112.9557-3-vsementsov@virtuozzo.com>
Reviewed-by: default avatarEric Blake <eblake@redhat.com>
[eblake: tweak commit message to call out NBD commit]
Signed-off-by: default avatarEric Blake <eblake@redhat.com>
parent 6bf792b4

block/nbd.c

+1 −1
Original line number Diff line number Diff line
@@ -1955,7 +1955,7 @@ static void nbd_refresh_limits(BlockDriverState *bs, Error **errp) 
    }



    bs->bl.request_alignment = min;

    bs->bl.max_pdiscard = max;

    bs->bl.max_pdiscard = QEMU_ALIGN_DOWN(INT_MAX, min);

    bs->bl.max_pwrite_zeroes = max;

    bs->bl.max_transfer = max;