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| author | Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com> | 2018-03-12 18:21:23 +0300 |
|---|---|---|
| committer | Eric Blake <eblake@redhat.com> | 2018-03-13 15:43:48 -0500 |
| commit | 78a33ab58782efdb206de14fa44ea626e2360bfc (patch) | |
| tree | fa7858141d63f531161b407db2f55e5cee44f065 /include | |
| parent | 1e98efc0299977a4b0815c2d0a216ae19881e389 (diff) | |
| download | qemu-78a33ab58782efdb206de14fa44ea626e2360bfc.zip qemu-78a33ab58782efdb206de14fa44ea626e2360bfc.tar.gz qemu-78a33ab58782efdb206de14fa44ea626e2360bfc.tar.bz2 | |
nbd: BLOCK_STATUS for standard get_block_status function: client part
Minimal realization: only one extent in server answer is supported.
Flag NBD_CMD_FLAG_REQ_ONE is used to force this behavior.
Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Message-Id: <20180312152126.286890-6-vsementsov@virtuozzo.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
[eblake: grammar tweaks, fix min_block check and 32-bit cap, use -1
instead of errno on failure in nbd_negotiate_simple_meta_context,
ensure that block status makes progress on success]
Signed-off-by: Eric Blake <eblake@redhat.com>
Diffstat (limited to 'include')
| -rw-r--r-- | include/block/nbd.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/include/block/nbd.h b/include/block/nbd.h index 2285637..fcdcd54 100644 --- a/include/block/nbd.h +++ b/include/block/nbd.h @@ -260,6 +260,7 @@ struct NBDExportInfo { /* In-out fields, set by client before nbd_receive_negotiate() and * updated by server results during nbd_receive_negotiate() */ bool structured_reply; + bool base_allocation; /* base:allocation context for NBD_CMD_BLOCK_STATUS */ /* Set by server results during nbd_receive_negotiate() */ uint64_t size; @@ -267,6 +268,8 @@ struct NBDExportInfo { uint32_t min_block; uint32_t opt_block; uint32_t max_block; + + uint32_t meta_base_allocation_id; }; typedef struct NBDExportInfo NBDExportInfo; |