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aio: add AioPollFn and io_poll() interface

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The new AioPollFn io_poll() argument to aio_set_fd_handler() and
aio_set_event_handler() is used in the next patch.

Keep this code change separate due to the number of files it touches.

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Message-id: 20161201192652.9509-3-stefanha@redhat.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
This commit is contained in:
Stefan Hajnoczi 2016-12-01 19:26:41 +00:00
parent 721671ade7
commit f6a51c84cd
17 changed files with 56 additions and 48 deletions
Download patch file Download diff file Expand all files Collapse all files

7
block/nfs.c
View file

@ -197,7 +197,8 @@ static void nfs_set_events(NFSClient *client)
aio_set_fd_handler(client->aio_context, nfs_get_fd(client->context),
false,
(ev & POLLIN) ? nfs_process_read : NULL,
(ev & POLLOUT) ? nfs_process_write : NULL, client);
(ev & POLLOUT) ? nfs_process_write : NULL,
NULL, client);
}
client->events = ev;
@ -395,7 +396,7 @@ static void nfs_detach_aio_context(BlockDriverState *bs)
NFSClient *client = bs->opaque;
aio_set_fd_handler(client->aio_context, nfs_get_fd(client->context),
false, NULL, NULL, NULL);
false, NULL, NULL, NULL, NULL);
client->events = 0;
}
@ -415,7 +416,7 @@ static void nfs_client_close(NFSClient *client)
nfs_close(client->context, client->fh);
}
aio_set_fd_handler(client->aio_context, nfs_get_fd(client->context),
false, NULL, NULL, NULL);
false, NULL, NULL, NULL, NULL);
nfs_destroy_context(client->context);
}
memset(client, 0, sizeof(NFSClient));