[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[Qemu-devel] [PULL 38/42] block: add default get_block_status implementa
From: |
Stefan Hajnoczi |
Subject: |
[Qemu-devel] [PULL 38/42] block: add default get_block_status implementation for protocols |
Date: |
Fri, 6 Sep 2013 17:39:09 +0200 |
From: Paolo Bonzini <address@hidden>
Protocols return raw data, so you can assume the offsets to pass
through unchanged.
Reviewed-by: Eric Blake <address@hidden>
Signed-off-by: Paolo Bonzini <address@hidden>
Signed-off-by: Stefan Hajnoczi <address@hidden>
---
block.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/block.c b/block.c
index 82bbd6c..3c39769 100644
--- a/block.c
+++ b/block.c
@@ -3094,7 +3094,11 @@ static int64_t coroutine_fn
bdrv_co_get_block_status(BlockDriverState *bs,
if (!bs->drv->bdrv_co_get_block_status) {
*pnum = nb_sectors;
- return BDRV_BLOCK_DATA;
+ ret = BDRV_BLOCK_DATA;
+ if (bs->drv->protocol_name) {
+ ret |= BDRV_BLOCK_OFFSET_VALID | (sector_num * BDRV_SECTOR_SIZE);
+ }
+ return ret;
}
ret = bs->drv->bdrv_co_get_block_status(bs, sector_num, nb_sectors, pnum);
--
1.8.3.1
- Re: [Qemu-devel] [PULL 30/42] block: define get_block_status return value, (continued)
[Qemu-devel] [PULL 32/42] block: use bdrv_has_zero_init to return BDRV_BLOCK_ZERO, Stefan Hajnoczi, 2013/09/06
[Qemu-devel] [PULL 33/42] block: return BDRV_BLOCK_ZERO past end of backing file, Stefan Hajnoczi, 2013/09/06
[Qemu-devel] [PULL 34/42] qemu-img: add a "map" subcommand, Stefan Hajnoczi, 2013/09/06
[Qemu-devel] [PULL 35/42] docs, qapi: document qemu-img map, Stefan Hajnoczi, 2013/09/06
[Qemu-devel] [PULL 36/42] raw-posix: return get_block_status data and flags, Stefan Hajnoczi, 2013/09/06
[Qemu-devel] [PULL 37/42] raw-posix: report unwritten extents as zero, Stefan Hajnoczi, 2013/09/06
[Qemu-devel] [PULL 38/42] block: add default get_block_status implementation for protocols,
Stefan Hajnoczi <=
[Qemu-devel] [PULL 39/42] block: look for zero blocks in bs->file, Stefan Hajnoczi, 2013/09/06
- Re: [Qemu-devel] [PULL 39/42] block: look for zero blocks in bs->file, Peter Lieven, 2013/09/13
- Re: [Qemu-devel] [PULL 39/42] block: look for zero blocks in bs->file, Peter Lieven, 2013/09/13
- Re: [Qemu-devel] [PULL 39/42] block: look for zero blocks in bs->file, Paolo Bonzini, 2013/09/13
- Re: [Qemu-devel] [PULL 39/42] block: look for zero blocks in bs->file, Peter Lieven, 2013/09/13
- Re: [Qemu-devel] [PULL 39/42] block: look for zero blocks in bs->file, Paolo Bonzini, 2013/09/13
- Re: [Qemu-devel] [PULL 39/42] block: look for zero blocks in bs->file, Peter Lieven, 2013/09/13
[Qemu-devel] [PULL 40/42] dataplane: Fix startup race., Stefan Hajnoczi, 2013/09/06
[Qemu-devel] [PULL 41/42] qemu-iotests: Whitespace cleanup, Stefan Hajnoczi, 2013/09/06
[Qemu-devel] [PULL 42/42] qemu-iotests: Fixed test case 026, Stefan Hajnoczi, 2013/09/06