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iov_iter: export iov_iter_restore

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Export iov_iter_restore so that it can be used by modules.

This is needed by the virtio vsock transport (which can be built as a
module) to restore the msg_iter state when transmission fails.

Acked-by: Stefano Garzarella <sgarzare@redhat.com>
Signed-off-by: Octavian Purdila <tavip@google.com>
Message-ID: <20260622222757.2130402-2-tavip@google.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Octavian Purdila
2026-08-19 06:38:44 -04:00
committed by Michael S. Tsirkin
parent bd670e5dfd
commit bb652c245b
1 changed files with 1 additions and 0 deletions
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lib/iov_iter.c
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@@ -1491,6 +1491,7 @@ void iov_iter_restore(struct iov_iter *i, struct iov_iter_state *state)
i->__iov -= state->nr_segs - i->nr_segs;
i->nr_segs = state->nr_segs;
}
EXPORT_SYMBOL_FOR_MODULES(iov_iter_restore, "vmw_vsock_virtio_transport_common");
/*
* Extract a list of contiguous pages from an ITER_FOLIOQ iterator. This does