From: Jan Harkes Date: Thu, 19 Jul 2007 08:48:51 +0000 (-0700) Subject: coda: remove statistics counters from /proc/fs/coda X-Git-Tag: firefly_0821_release~27568 X-Git-Url: http://plrg.eecs.uci.edu/git/?a=commitdiff_plain;h=3cf01f28c303be34f18cb4f6204cf1bdfe12ba7c;p=firefly-linux-kernel-4.4.55.git coda: remove statistics counters from /proc/fs/coda Similar information can easily be obtained with strace -c. Signed-off-by: Jan Harkes Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- diff --git a/fs/coda/coda_int.h b/fs/coda/coda_int.h index 9e6338fea514..8ccd5ed81d9c 100644 --- a/fs/coda/coda_int.h +++ b/fs/coda/coda_int.h @@ -1,12 +1,19 @@ #ifndef _CODA_INT_ #define _CODA_INT_ +struct dentry; + extern struct file_system_type coda_fs_type; +extern unsigned long coda_timeout; +extern int coda_hard; +extern int coda_fake_statfs; void coda_destroy_inodecache(void); int coda_init_inodecache(void); int coda_fsync(struct file *coda_file, struct dentry *coda_dentry, int datasync); +void coda_sysctl_init(void); +void coda_sysctl_clean(void); #endif /* _CODA_INT_ */ diff --git a/fs/coda/dir.c b/fs/coda/dir.c index 0c6c48ca7496..04a3dd84c993 100644 --- a/fs/coda/dir.c +++ b/fs/coda/dir.c @@ -25,7 +25,6 @@ #include #include #include -#include #include "coda_int.h" @@ -148,8 +147,6 @@ int coda_permission(struct inode *inode, int mask, struct nameidata *nd) lock_kernel(); - coda_vfs_stat.permission++; - if (coda_cache_check(inode, mask)) goto out; @@ -206,7 +203,6 @@ static int coda_create(struct inode *dir, struct dentry *de, int mode, struct na struct coda_vattr attrs; lock_kernel(); - coda_vfs_stat.create++; if (coda_isroot(dir) && coda_iscontrol(name, length)) { unlock_kernel(); @@ -246,7 +242,6 @@ static int coda_mkdir(struct inode *dir, struct dentry *de, int mode) struct CodaFid newfid; lock_kernel(); - coda_vfs_stat.mkdir++; if (coda_isroot(dir) && coda_iscontrol(name, len)) { unlock_kernel(); @@ -288,7 +283,6 @@ static int coda_link(struct dentry *source_de, struct inode *dir_inode, int error; lock_kernel(); - coda_vfs_stat.link++; if (coda_isroot(dir_inode) && coda_iscontrol(name, len)) { unlock_kernel(); @@ -320,10 +314,9 @@ static int coda_symlink(struct inode *dir_inode, struct dentry *de, const char *name = de->d_name.name; int len = de->d_name.len; int symlen; - int error=0; - + int error = 0; + lock_kernel(); - coda_vfs_stat.symlink++; if (coda_isroot(dir_inode) && coda_iscontrol(name, len)) { unlock_kernel(); @@ -360,7 +353,6 @@ int coda_unlink(struct inode *dir, struct dentry *de) int len = de->d_name.len; lock_kernel(); - coda_vfs_stat.unlink++; error = venus_remove(dir->i_sb, coda_i2f(dir), name, len); if ( error ) { @@ -381,7 +373,6 @@ int coda_rmdir(struct inode *dir, struct dentry *de) int error; lock_kernel(); - coda_vfs_stat.rmdir++; error = venus_rmdir(dir->i_sb, coda_i2f(dir), name, len); if (!error) { @@ -408,7 +399,6 @@ static int coda_rename(struct inode *old_dir, struct dentry *old_dentry, int error; lock_kernel(); - coda_vfs_stat.rename++; error = venus_rename(old_dir->i_sb, coda_i2f(old_dir), coda_i2f(new_dir), old_length, new_length, @@ -445,8 +435,6 @@ int coda_readdir(struct file *coda_file, void *buf, filldir_t filldir) BUG_ON(!cfi || cfi->cfi_magic != CODA_MAGIC); host_file = cfi->cfi_container; - coda_vfs_stat.readdir++; - if (!host_file->f_op) return -ENOTDIR; diff --git a/fs/coda/file.c b/fs/coda/file.c index e7d622709c90..7594962604c2 100644 --- a/fs/coda/file.c +++ b/fs/coda/file.c @@ -22,7 +22,6 @@ #include #include #include -#include #include "coda_int.h" @@ -134,8 +133,6 @@ int coda_open(struct inode *coda_inode, struct file *coda_file) unsigned short coda_flags = coda_flags_to_cflags(flags); struct coda_file_info *cfi; - coda_vfs_stat.open++; - cfi = kmalloc(sizeof(struct coda_file_info), GFP_KERNEL); if (!cfi) return -ENOMEM; @@ -176,8 +173,6 @@ int coda_flush(struct file *coda_file, fl_owner_t id) lock_kernel(); - coda_vfs_stat.flush++; - /* last close semantics */ fcnt = file_count(coda_file); if (fcnt > 1) @@ -219,8 +214,7 @@ int coda_release(struct inode *coda_inode, struct file *coda_file) int err = 0; lock_kernel(); - coda_vfs_stat.release++; - + if (!use_coda_close) { err = venus_release(coda_inode->i_sb, coda_i2f(coda_inode), coda_flags); @@ -271,8 +265,6 @@ int coda_fsync(struct file *coda_file, struct dentry *coda_dentry, int datasync) BUG_ON(!cfi || cfi->cfi_magic != CODA_MAGIC); host_file = cfi->cfi_container; - coda_vfs_stat.fsync++; - if (host_file->f_op && host_file->f_op->fsync) { host_dentry = host_file->f_path.dentry; host_inode = host_dentry->d_inode; diff --git a/fs/coda/psdev.c b/fs/coda/psdev.c index 8a09f19596db..e3a0a4164d5d 100644 --- a/fs/coda/psdev.c +++ b/fs/coda/psdev.c @@ -45,7 +45,6 @@ #include #include #include -#include #include "coda_int.h" diff --git a/fs/coda/symlink.c b/fs/coda/symlink.c index 76e00a65a75b..4513b7258458 100644 --- a/fs/coda/symlink.c +++ b/fs/coda/symlink.c @@ -20,7 +20,6 @@ #include #include #include -#include static int coda_symlink_filler(struct file *file, struct page *page) { @@ -32,7 +31,6 @@ static int coda_symlink_filler(struct file *file, struct page *page) lock_kernel(); cii = ITOC(inode); - coda_vfs_stat.follow_link++; error = venus_readlink(inode->i_sb, &cii->c_fid, p, &len); unlock_kernel(); diff --git a/fs/coda/sysctl.c b/fs/coda/sysctl.c index c57a1fa7cf23..81b7771c6465 100644 --- a/fs/coda/sysctl.c +++ b/fs/coda/sysctl.c @@ -5,181 +5,14 @@ * * Carnegie Mellon encourages users to contribute improvements to * the Coda project. Contact Peter Braam (coda@cs.cmu.edu). - * - * CODA operation statistics - * (c) March, 1998 Zhanyong Wan - * */ -#include -#include #include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include +#include "coda_int.h" static struct ctl_table_header *fs_table_header; -#define CODA_TIMEOUT 3 /* timeout on upcalls to become intrble */ -#define CODA_HARD 5 /* mount type "hard" or "soft" */ -#define CODA_VFS 6 /* vfs statistics */ -#define CODA_CACHE_INV 9 /* cache invalidation statistics */ -#define CODA_FAKE_STATFS 10 /* don't query venus for actual cache usage */ - -struct coda_vfs_stats coda_vfs_stat; -static struct coda_cache_inv_stats coda_cache_inv_stat; - -static void reset_coda_vfs_stats( void ) -{ - memset( &coda_vfs_stat, 0, sizeof( coda_vfs_stat ) ); -} - -static void reset_coda_cache_inv_stats( void ) -{ - memset( &coda_cache_inv_stat, 0, sizeof( coda_cache_inv_stat ) ); -} - -static int do_reset_coda_vfs_stats( ctl_table * table, int write, - struct file * filp, void __user * buffer, - size_t * lenp, loff_t * ppos ) -{ - if ( write ) { - reset_coda_vfs_stats(); - - *ppos += *lenp; - } else { - *lenp = 0; - } - - return 0; -} - -static int do_reset_coda_cache_inv_stats( ctl_table * table, int write, - struct file * filp, - void __user * buffer, - size_t * lenp, loff_t * ppos ) -{ - if ( write ) { - reset_coda_cache_inv_stats(); - - *ppos += *lenp; - } else { - *lenp = 0; - } - - return 0; -} - -static int proc_vfs_stats_show(struct seq_file *m, void *v) -{ - struct coda_vfs_stats * ps = & coda_vfs_stat; - - seq_printf(m, - "Coda VFS statistics\n" - "===================\n\n" - "File Operations:\n" - "\topen\t\t%9d\n" - "\tflush\t\t%9d\n" - "\trelease\t\t%9d\n" - "\tfsync\t\t%9d\n\n" - "Dir Operations:\n" - "\treaddir\t\t%9d\n\n" - "Inode Operations\n" - "\tcreate\t\t%9d\n" - "\tlookup\t\t%9d\n" - "\tlink\t\t%9d\n" - "\tunlink\t\t%9d\n" - "\tsymlink\t\t%9d\n" - "\tmkdir\t\t%9d\n" - "\trmdir\t\t%9d\n" - "\trename\t\t%9d\n" - "\tpermission\t%9d\n", - - /* file operations */ - ps->open, - ps->flush, - ps->release, - ps->fsync, - - /* dir operations */ - ps->readdir, - - /* inode operations */ - ps->create, - ps->lookup, - ps->link, - ps->unlink, - ps->symlink, - ps->mkdir, - ps->rmdir, - ps->rename, - ps->permission); - return 0; -} - -static int proc_cache_inv_stats_show(struct seq_file *m, void *v) -{ - struct coda_cache_inv_stats * ps = & coda_cache_inv_stat; - - seq_printf(m, - "Coda cache invalidation statistics\n" - "==================================\n\n" - "flush\t\t%9d\n" - "purge user\t%9d\n" - "zap_dir\t\t%9d\n" - "zap_file\t%9d\n" - "zap_vnode\t%9d\n" - "purge_fid\t%9d\n" - "replace\t\t%9d\n", - ps->flush, - ps->purge_user, - ps->zap_dir, - ps->zap_file, - ps->zap_vnode, - ps->purge_fid, - ps->replace ); - return 0; -} - -static int proc_vfs_stats_open(struct inode *inode, struct file *file) -{ - return single_open(file, proc_vfs_stats_show, NULL); -} - -static int proc_cache_inv_stats_open(struct inode *inode, struct file *file) -{ - return single_open(file, proc_cache_inv_stats_show, NULL); -} - -static const struct file_operations proc_vfs_stats_fops = { - .owner = THIS_MODULE, - .open = proc_vfs_stats_open, - .read = seq_read, - .llseek = seq_lseek, - .release = single_release, -}; - -static const struct file_operations proc_cache_inv_stats_fops = { - .owner = THIS_MODULE, - .open = proc_cache_inv_stats_open, - .read = seq_read, - .llseek = seq_lseek, - .release = single_release, -}; - static ctl_table coda_table[] = { { .ctl_name = CTL_UNNUMBERED, @@ -197,22 +30,6 @@ static ctl_table coda_table[] = { .mode = 0644, .proc_handler = &proc_dointvec }, - { - .ctl_name = CTL_UNNUMBERED, - .procname = "vfs_stats", - .data = NULL, - .maxlen = 0, - .mode = 0644, - .proc_handler = &do_reset_coda_vfs_stats - }, - { - .ctl_name = CTL_UNNUMBERED, - .procname = "cache_inv_stats", - .data = NULL, - .maxlen = 0, - .mode = 0644, - .proc_handler = &do_reset_coda_cache_inv_stats - }, { .ctl_name = CTL_UNNUMBERED, .procname = "fake_statfs", @@ -235,59 +52,20 @@ static ctl_table fs_table[] = { }; -#ifdef CONFIG_PROC_FS - -/* - target directory structure: - /proc/fs (see linux/fs/proc/root.c) - /proc/fs/coda - /proc/fs/coda/{vfs_stats, - -*/ - -static struct proc_dir_entry* proc_fs_coda; - -#endif - void coda_sysctl_init(void) { - reset_coda_vfs_stats(); - reset_coda_cache_inv_stats(); - -#ifdef CONFIG_PROC_FS - proc_fs_coda = proc_mkdir("coda", proc_root_fs); - if (proc_fs_coda) { - struct proc_dir_entry *pde; - - proc_fs_coda->owner = THIS_MODULE; - pde = create_proc_entry("vfs_stats", 0, proc_fs_coda); - if (pde) - pde->proc_fops = &proc_vfs_stats_fops; - pde = create_proc_entry("cache_inv_stats", 0, proc_fs_coda); - if (pde) - pde->proc_fops = &proc_cache_inv_stats_fops; - } -#endif - #ifdef CONFIG_SYSCTL if ( !fs_table_header ) fs_table_header = register_sysctl_table(fs_table); -#endif +#endif } -void coda_sysctl_clean(void) +void coda_sysctl_clean(void) { - #ifdef CONFIG_SYSCTL if ( fs_table_header ) { unregister_sysctl_table(fs_table_header); fs_table_header = NULL; } #endif - -#ifdef CONFIG_PROC_FS - remove_proc_entry("cache_inv_stats", proc_fs_coda); - remove_proc_entry("vfs_stats", proc_fs_coda); - remove_proc_entry("coda", proc_root_fs); -#endif } diff --git a/fs/coda/upcall.c b/fs/coda/upcall.c index 9a20a3b1998e..e4e766e5557c 100644 --- a/fs/coda/upcall.c +++ b/fs/coda/upcall.c @@ -35,7 +35,8 @@ #include #include #include -#include + +#include "coda_int.h" static int coda_upcall(struct venus_comm *vc, int inSize, int *outSize, union inputArgs *buffer); diff --git a/include/linux/coda_linux.h b/include/linux/coda_linux.h index e4ac016ad272..c4079b403e9e 100644 --- a/include/linux/coda_linux.h +++ b/include/linux/coda_linux.h @@ -43,9 +43,6 @@ int coda_revalidate_inode(struct dentry *); int coda_getattr(struct vfsmount *, struct dentry *, struct kstat *); int coda_setattr(struct dentry *, struct iattr *); -/* global variables */ -extern int coda_fake_statfs; - /* this file: heloers */ static __inline__ struct CodaFid *coda_i2f(struct inode *); static __inline__ char *coda_i2s(struct inode *); diff --git a/include/linux/coda_proc.h b/include/linux/coda_proc.h deleted file mode 100644 index 0dc1b0458e75..000000000000 --- a/include/linux/coda_proc.h +++ /dev/null @@ -1,76 +0,0 @@ -/* - * 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 -#include -#include - -/* 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 */ diff --git a/include/linux/coda_psdev.h b/include/linux/coda_psdev.h index 81b2e4c7d7ce..aa8f454b3b77 100644 --- a/include/linux/coda_psdev.h +++ b/include/linux/coda_psdev.h @@ -69,8 +69,6 @@ int venus_statfs(struct dentry *dentry, struct kstatfs *sfs); /* messages between coda filesystem in kernel and Venus */ -extern int coda_hard; -extern unsigned long coda_timeout; struct upc_req { struct list_head uc_chain; caddr_t uc_data;