[PATCH] cdev.h needs struct inode; add forward declaration

[Josh Triplett]

include/linux/cdev.h defines cd_forget to take a struct inode *, but does not
pull in any definition or declaration for struct inode.  This generates a
compiler warning if a source file pulls in cdev.h without first pulling in
fs.h.  Add a forward declaration of struct inode to cdev.h, to eliminate the
compiler warning and preserve the ability to include headers in any arbitrary
order.

Signed-off-by: Josh Triplett <josh@xxxxxxxxxx>
---
 include/linux/cdev.h |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/include/linux/cdev.h b/include/linux/cdev.h
index f309b00..4281e80 100644
--- a/include/linux/cdev.h
+++ b/include/linux/cdev.h
@@ -6,6 +6,8 @@
 #include <linux/kdev_t.h>
 #include <linux/list.h>
 
+struct inode;
+
 struct cdev {
 	struct kobject kobj;
 	struct module *owner;
-
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