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