Initial pass at a file API getf/releasef hooks

git-svn-id: https://outreach.scidac.gov/svn/spl/trunk@50 7e1ea52c-4ff2-0310-8f11-9dd32ca42a1c

1 files changed, 30 insertions, 0 deletions

diff --git a/include/sys/file.h b/include/sys/file.h
index 63d662237..8b135c4b1 100644
--- a/include/sys/file.h
+++ b/include/sys/file.h
@@ -1,4 +1,34 @@
 #ifndef _SPL_FILE_H
 #define _SPL_FILE_H
 
+#ifdef  __cplusplus
+extern "C" {
+#endif
+
+#include <linux/module.h>
+#include <linux/file.h>
+#include <sys/kmem.h>
+#include <sys/mutex.h>
+#include <sys/vnode.h>
+
+typedef struct spl_file {
+	int			f_fd;	   /* linux fd for lookup */
+	struct file		*f_file;   /* linux file struct */
+	atomic_t		f_ref;	   /* ref count */
+	kmutex_t		f_lock;    /* struct lock */
+	loff_t			f_offset;  /* offset */
+	vnode_t			*f_vnode;  /* vnode */
+        struct list_head	f_list;	   /* list of referenced file_t's */
+} file_t;
+
+extern file_t *getf(int fd);
+extern void releasef(int fd);
+
+int file_init(void);
+void file_fini(void);
+
+#ifdef  __cplusplus
+}
+#endif
+
 #endif /* SPL_FILE_H */