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authorPeter Maydell <peter.maydell@linaro.org>2019-08-16 15:53:37 +0100
committerPeter Maydell <peter.maydell@linaro.org>2019-08-16 15:53:37 +0100
commitc6a2225a5a5e272edc0304845e32ea436ea1043a (patch)
tree4bd7a214066714ef048ac30b4dedd5b8f6b31458 /include/block
parent95a9457fd44ad97c518858a4e1586a5498f9773c (diff)
parent8f071c9db506e03abcb1b76ec6d3d2f9488cc3b3 (diff)
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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')
-rw-r--r--include/block/block.h8
-rw-r--r--include/block/nbd.h3
2 files changed, 9 insertions, 2 deletions
diff --git a/include/block/block.h b/include/block/block.h
index ae79b70..89e4031 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 {
diff --git a/include/block/nbd.h b/include/block/nbd.h
index bb9f5bc..7b36d67 100644
--- a/include/block/nbd.h
+++ b/include/block/nbd.h
@@ -304,7 +304,8 @@ struct NBDExportInfo {
};
typedef struct NBDExportInfo NBDExportInfo;
-int nbd_receive_negotiate(QIOChannel *ioc, QCryptoTLSCreds *tlscreds,
+int nbd_receive_negotiate(AioContext *aio_context, QIOChannel *ioc,
+ QCryptoTLSCreds *tlscreds,
const char *hostname, QIOChannel **outioc,
NBDExportInfo *info, Error **errp);
void nbd_free_export_list(NBDExportInfo *info, int count);