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authorJeff Dike <jdike@addtoit.com>2005-09-03 15:57:45 -0700
committerLinus Torvalds <torvalds@evo.osdl.org>2005-09-05 00:06:23 -0700
commit75e5584c89d213d6089f64f22cd899fb172e4c95 (patch)
tree22bb81b9c699e06b3c8163933654fe3f84ae469d /arch/um/include/aio.h
parent30f7dabb083f8ff4ce541b5ac4e5d70cc173051a (diff)
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[PATCH] uml: use host AIO support
This patch makes UML use host AIO support when it (and /usr/include/linux/aio_abi.h) are present. This is only the support, with no consumers - a consumer is coming in the next patch. Signed-off-by: Jeff Dike <jdike@addtoit.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'arch/um/include/aio.h')
-rw-r--r--arch/um/include/aio.h28
1 files changed, 28 insertions, 0 deletions
diff --git a/arch/um/include/aio.h b/arch/um/include/aio.h
new file mode 100644
index 000000000000..423bae9153f8
--- /dev/null
+++ b/arch/um/include/aio.h
@@ -0,0 +1,28 @@
+/*
+ * 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 {
+ int reply_fd;
+ struct aio_context *next;
+};
+
+#define INIT_AIO_CONTEXT { .reply_fd = -1, \
+ .next = NULL }
+
+extern int submit_aio(enum aio_type type, int fd, char *buf, int len,
+ unsigned long long offset, int reply_fd,
+ struct aio_context *aio);
+
+#endif