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[PATCH v2 2/6] block/nbd-client: drop max_block restriction from discard
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From: |
Vladimir Sementsov-Ogievskiy |
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Subject: |
[PATCH v2 2/6] block/nbd-client: drop max_block restriction from discard |
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Date: |
Wed, 1 Apr 2020 18:01:08 +0300 |
NBD spec is updated, so that max_block doesn't relate to
NBD_CMD_TRIM. So, drop the restriction.
Signed-off-by: Vladimir Sementsov-Ogievskiy <address@hidden>
---
block/nbd.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/block/nbd.c b/block/nbd.c
index d4d518a780..4ac23c8f62 100644
--- a/block/nbd.c
+++ b/block/nbd.c
@@ -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;
--
2.21.0
- [PATCH v2 0/6] nbd: reduce max_block restrictions, Vladimir Sementsov-Ogievskiy, 2020/04/01
- [PATCH v2 1/6] block/nbd-client: drop max_block restriction from block_status, Vladimir Sementsov-Ogievskiy, 2020/04/01
- [PATCH v2 2/6] block/nbd-client: drop max_block restriction from discard,
Vladimir Sementsov-Ogievskiy <=
- [PATCH v2 4/6] block/nbd: define new max_write_zero_fast limit, Vladimir Sementsov-Ogievskiy, 2020/04/01
- [PATCH v2 5/6] block/io: refactor bdrv_co_do_pwrite_zeroes head calculation, Vladimir Sementsov-Ogievskiy, 2020/04/01
- [PATCH v2 6/6] block/io: auto-no-fallback for write-zeroes, Vladimir Sementsov-Ogievskiy, 2020/04/01
- [PATCH v2 3/6] block: add max_pwrite_zeroes_fast to BlockLimits, Vladimir Sementsov-Ogievskiy, 2020/04/01
- Re: [PATCH v2 0/6] nbd: reduce max_block restrictions, no-reply, 2020/04/01