diff options
| author | Peter Maydell <peter.maydell@linaro.org> | 2019-08-16 15:53:37 +0100 |
|---|---|---|
| committer | Peter Maydell <peter.maydell@linaro.org> | 2019-08-16 15:53:37 +0100 |
| commit | c6a2225a5a5e272edc0304845e32ea436ea1043a (patch) | |
| tree | 4bd7a214066714ef048ac30b4dedd5b8f6b31458 /include/block/block.h | |
| parent | 95a9457fd44ad97c518858a4e1586a5498f9773c (diff) | |
| parent | 8f071c9db506e03abcb1b76ec6d3d2f9488cc3b3 (diff) | |
Merge remote-tracking branch 'remotes/ericb/tags/pull-nbd-2019-08-15' into staging
nbd patches for 2019-08-15
- Addition of InetSocketAddress keep-alive
- Addition of BDRV_REQ_PREFETCH for more efficient copy-on-read
- Initial refactoring in preparation of NBD reconnect
# gpg: Signature made Thu 15 Aug 2019 19:28:41 BST
# gpg: using RSA key A7A16B4A2527436A
# gpg: Good signature from "Eric Blake <eblake@redhat.com>" [full]
# gpg: aka "Eric Blake (Free Software Programmer) <ebb9@byu.net>" [full]
# gpg: aka "[jpeg image of size 6874]" [full]
# Primary key fingerprint: 71C2 CC22 B1C4 6029 27D2 F3AA A7A1 6B4A 2527 436A
* remotes/ericb/tags/pull-nbd-2019-08-15:
block/nbd: refactor nbd connection parameters
block/nbd: add cmdline and qapi parameter reconnect-delay
block/nbd: move from quit to state
block/nbd: use non-blocking io channel for nbd negotiation
block/nbd: split connection_co start out of nbd_client_connect
nbd: improve CMD_CACHE: use BDRV_REQ_PREFETCH
block/stream: use BDRV_REQ_PREFETCH
block: implement BDRV_REQ_PREFETCH
qapi: Add InetSocketAddress member keep-alive
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'include/block/block.h')
| -rw-r--r-- | include/block/block.h | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/include/block/block.h b/include/block/block.h index ae79b70e2d..89e40318cf 100644 --- a/include/block/block.h +++ b/include/block/block.h @@ -87,8 +87,14 @@ typedef enum { * fallback. */ BDRV_REQ_NO_FALLBACK = 0x100, + /* + * BDRV_REQ_PREFETCH may be used only together with BDRV_REQ_COPY_ON_READ + * on read request and means that caller doesn't really need data to be + * written to qiov parameter which may be NULL. + */ + BDRV_REQ_PREFETCH = 0x200, /* Mask of valid flags */ - BDRV_REQ_MASK = 0x1ff, + BDRV_REQ_MASK = 0x3ff, } BdrvRequestFlags; typedef struct BlockSizes { |