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-rw-r--r--arch/um/include/aio.h40
1 files changed, 40 insertions, 0 deletions
diff --git a/arch/um/include/aio.h b/arch/um/include/aio.h
new file mode 100644
index 000000000000..83f16877ab08
--- /dev/null
+++ b/arch/um/include/aio.h
@@ -0,0 +1,40 @@
+/*
+ * Copyright (C) 2004 Jeff Dike (jdike@karaya.com)
+ * Licensed under the GPL
+ */
+
+#ifndef AIO_H__
+#define AIO_H__
+
+enum aio_type { AIO_READ, AIO_WRITE, AIO_MMAP };
+
+struct aio_thread_reply {
+ void *data;
+ int err;
+};
+
+struct aio_context {
+ enum aio_type type;
+ int fd;
+ void *data;
+ int len;
+ unsigned long long offset;
+ int reply_fd;
+ struct aio_context *next;
+};
+
+#define INIT_AIO(aio_type, aio_fd, aio_data, aio_len, aio_offset, \
+ aio_reply_fd) \
+ { .type = aio_type, \
+ .fd = aio_fd, \
+ .data = aio_data, \
+ .len = aio_len, \
+ .offset = aio_offset, \
+ .reply_fd = aio_reply_fd }
+
+#define INIT_AIO_CONTEXT { .reply_fd = -1, \
+ .next = NULL }
+
+extern int submit_aio(struct aio_context *aio);
+
+#endif