/* * coda_statis.h *  * CODA operation statistics * * (c) March, 1998 * by Michihiro Kuramochi, Zhenyu Xia and Zhanyong Wan * zhanyong.wan@yale.edu * */ #ifndef _CODA_PROC_H#define _CODA_PROC_H void coda_sysctl_init(void);void coda_sysctl_clean(void); #include <linux/sysctl.h>#include <linux/coda_fs_i.h>#include <linux/coda.h> /* these four files are presented to show the result of the statistics: * *	/proc/fs/coda/vfs_stats *		      cache_inv_stats * * these four files are presented to reset the statistics to 0: * *	/proc/sys/coda/vfs_stats *		       cache_inv_stats */ /* VFS operation statistics */struct coda_vfs_stats {	/* file operations */	int open;	int flush;	int release;	int fsync; 	/* dir operations */	int readdir;  	/* inode operations */	int create;	int lookup;	int link;	int unlink;	int symlink;	int mkdir;	int rmdir;	int rename;	int permission; 	/* symlink operatoins*/	int follow_link;	int readlink;}; /* cache invalidation statistics */struct coda_cache_inv_stats{	int flush;	int purge_user;	int zap_dir;	int zap_file;	int zap_vnode;	int purge_fid;	int replace;}; /* these global variables hold the actual statistics data */extern struct coda_vfs_stats		coda_vfs_stat; #endif /* _CODA_PROC_H */