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io: add and implement QIO_CHANNEL_FEATURE_SEEKABLE for channel file

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Add a generic QIOChannel feature SEEKABLE which would be used by the
qemu_file* apis. For the time being this will be only implemented for
file channels.

Signed-off-by: Nikolay Borisov <nborisov@suse.com>
Reviewed-by: "Daniel P. Berrangé" <berrange@redhat.com>
Reviewed-by: Peter Xu <peterx@redhat.com>
Signed-off-by: Fabiano Rosas <farosas@suse.de>
Link: https://lore.kernel.org/r/20240229153017.2221-3-farosas@suse.de
Signed-off-by: Peter Xu <peterx@redhat.com>
This commit is contained in:
Nikolay Borisov 2024-02-29 12:29:56 -03:00 • committed by Peter Xu
parent 4aac6b1e9b
commit 401e311ff7
2 changed files with 9 additions and 0 deletions
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include/io/channel.h
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@ -44,6 +44,7 @@ enum QIOChannelFeature {
QIO_CHANNEL_FEATURE_LISTEN,
QIO_CHANNEL_FEATURE_WRITE_ZERO_COPY,
QIO_CHANNEL_FEATURE_READ_MSG_PEEK,
QIO_CHANNEL_FEATURE_SEEKABLE,
};