/* * GPL HEADER START * * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 only, * as published by the Free Software Foundation. * * This program is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License version 2 for more details (a copy is included * in the LICENSE file that accompanied this code). * * You should have received a copy of the GNU General Public License * version 2 along with this program; If not, see * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf * * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, * CA 95054 USA or visit www.sun.com if you need additional information or * have any questions. * * GPL HEADER END */ /* * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved. * Use is subject to license terms. * * Copyright (c) 2011, 2013, Intel Corporation. */ /* * This file is part of Lustre, http://www.lustre.org/ * Lustre is a trademark of Sun Microsystems, Inc. * * lustre/include/lprocfs_status.h * * Top level header file for LProc SNMP * * Author: Hariharan Thantry thantry@users.sourceforge.net */ #ifndef _LPROCFS_SNMP_H #define _LPROCFS_SNMP_H #if defined(__linux__) #include #elif defined(__APPLE__) #include #elif defined(__WINNT__) #include #else #error Unsupported operating system. #endif #include #include #ifndef HAVE_ONLY_PROCFS_SEQ struct lprocfs_vars { const char *name; read_proc_t *read_fptr; write_proc_t *write_fptr; void *data; const struct file_operations *fops; /** * /proc file mode. */ mode_t proc_mode; }; struct lprocfs_static_vars { struct lprocfs_vars *module_vars; struct lprocfs_vars *obd_vars; }; #endif struct lprocfs_seq_vars { const char *name; const struct file_operations *fops; void *data; /** * /proc file mode. */ mode_t proc_mode; }; /* if we find more consumers this could be generalized */ #define OBD_HIST_MAX 32 struct obd_histogram { spinlock_t oh_lock; unsigned long oh_buckets[OBD_HIST_MAX]; }; enum { BRW_R_PAGES = 0, BRW_W_PAGES, BRW_R_RPC_HIST, BRW_W_RPC_HIST, BRW_R_IO_TIME, BRW_W_IO_TIME, BRW_R_DISCONT_PAGES, BRW_W_DISCONT_PAGES, BRW_R_DISCONT_BLOCKS, BRW_W_DISCONT_BLOCKS, BRW_R_DISK_IOSIZE, BRW_W_DISK_IOSIZE, BRW_R_DIO_FRAGS, BRW_W_DIO_FRAGS, BRW_LAST, }; struct brw_stats { struct obd_histogram hist[BRW_LAST]; }; enum { RENAME_SAMEDIR_SIZE = 0, RENAME_CROSSDIR_SRC_SIZE, RENAME_CROSSDIR_TGT_SIZE, RENAME_LAST, }; struct rename_stats { struct obd_histogram hist[RENAME_LAST]; }; /* An lprocfs counter can be configured using the enum bit masks below. * * LPROCFS_CNTR_EXTERNALLOCK indicates that an external lock already * protects this counter from concurrent updates. If not specified, * lprocfs an internal per-counter lock variable. External locks are * not used to protect counter increments, but are used to protect * counter readout and resets. * * LPROCFS_CNTR_AVGMINMAX indicates a multi-valued counter samples, * (i.e. counter can be incremented by more than "1"). When specified, * the counter maintains min, max and sum in addition to a simple * invocation count. This allows averages to be be computed. * If not specified, the counter is an increment-by-1 counter. * min, max, sum, etc. are not maintained. * * LPROCFS_CNTR_STDDEV indicates that the counter should track sum of * squares (for multi-valued counter samples only). This allows * external computation of standard deviation, but involves a 64-bit * multiply per counter increment. */ enum { LPROCFS_CNTR_EXTERNALLOCK = 0x0001, LPROCFS_CNTR_AVGMINMAX = 0x0002, LPROCFS_CNTR_STDDEV = 0x0004, /* counter data type */ LPROCFS_TYPE_REGS = 0x0100, LPROCFS_TYPE_BYTES = 0x0200, LPROCFS_TYPE_PAGES = 0x0400, LPROCFS_TYPE_CYCLE = 0x0800, }; #define LC_MIN_INIT ((~(__u64)0) >> 1) struct lprocfs_counter_header { unsigned int lc_config; const char *lc_name; /* must be static */ const char *lc_units; /* must be static */ }; struct lprocfs_counter { __s64 lc_count; __s64 lc_min; __s64 lc_max; __s64 lc_sumsquare; /* * Every counter has lc_array_sum[0], while lc_array_sum[1] is only * for irq context counter, i.e. stats with * LPROCFS_STATS_FLAG_IRQ_SAFE flag, its counter need * lc_array_sum[1] */ __s64 lc_array_sum[1]; }; #define lc_sum lc_array_sum[0] #define lc_sum_irq lc_array_sum[1] struct lprocfs_percpu { #ifndef __GNUC__ __s64 pad; #endif struct lprocfs_counter lp_cntr[0]; }; #define LPROCFS_GET_NUM_CPU 0x0001 #define LPROCFS_GET_SMP_ID 0x0002 enum lprocfs_stats_flags { LPROCFS_STATS_FLAG_NONE = 0x0000, /* per cpu counter */ LPROCFS_STATS_FLAG_NOPERCPU = 0x0001, /* stats have no percpu * area and need locking */ LPROCFS_STATS_FLAG_IRQ_SAFE = 0x0002, /* alloc need irq safe */ }; enum lprocfs_fields_flags { LPROCFS_FIELDS_FLAGS_CONFIG = 0x0001, LPROCFS_FIELDS_FLAGS_SUM = 0x0002, LPROCFS_FIELDS_FLAGS_MIN = 0x0003, LPROCFS_FIELDS_FLAGS_MAX = 0x0004, LPROCFS_FIELDS_FLAGS_AVG = 0x0005, LPROCFS_FIELDS_FLAGS_SUMSQUARE = 0x0006, LPROCFS_FIELDS_FLAGS_COUNT = 0x0007, }; struct lprocfs_stats { /* # of counters */ unsigned short ls_num; /* 1 + the biggest cpu # whose ls_percpu slot has been allocated */ unsigned short ls_biggest_alloc_num; enum lprocfs_stats_flags ls_flags; /* Lock used when there are no percpu stats areas; For percpu stats, * it is used to protect ls_biggest_alloc_num change */ spinlock_t ls_lock; /* has ls_num of counter headers */ struct lprocfs_counter_header *ls_cnt_header; struct lprocfs_percpu *ls_percpu[0]; }; #define OPC_RANGE(seg) (seg ## _LAST_OPC - seg ## _FIRST_OPC) /* Pack all opcodes down into a single monotonically increasing index */ static inline int opcode_offset(__u32 opc) { if (opc < OST_LAST_OPC) { /* OST opcode */ return (opc - OST_FIRST_OPC); } else if (opc < MDS_LAST_OPC) { /* MDS opcode */ return (opc - MDS_FIRST_OPC + OPC_RANGE(OST)); } else if (opc < LDLM_LAST_OPC) { /* LDLM Opcode */ return (opc - LDLM_FIRST_OPC + OPC_RANGE(MDS) + OPC_RANGE(OST)); } else if (opc < MGS_LAST_OPC) { /* MGS Opcode */ return (opc - MGS_FIRST_OPC + OPC_RANGE(LDLM) + OPC_RANGE(MDS) + OPC_RANGE(OST)); } else if (opc < OBD_LAST_OPC) { /* OBD Ping */ return (opc - OBD_FIRST_OPC + OPC_RANGE(MGS) + OPC_RANGE(LDLM) + OPC_RANGE(MDS) + OPC_RANGE(OST)); } else if (opc < LLOG_LAST_OPC) { /* LLOG Opcode */ return (opc - LLOG_FIRST_OPC + OPC_RANGE(OBD) + OPC_RANGE(MGS) + OPC_RANGE(LDLM) + OPC_RANGE(MDS) + OPC_RANGE(OST)); } else if (opc < QUOTA_LAST_OPC) { /* LQUOTA Opcode */ return (opc - QUOTA_FIRST_OPC + OPC_RANGE(LLOG) + OPC_RANGE(OBD) + OPC_RANGE(MGS) + OPC_RANGE(LDLM) + OPC_RANGE(MDS) + OPC_RANGE(OST)); } else if (opc < SEQ_LAST_OPC) { /* SEQ opcode */ return (opc - SEQ_FIRST_OPC + OPC_RANGE(QUOTA) + OPC_RANGE(LLOG) + OPC_RANGE(OBD) + OPC_RANGE(MGS) + OPC_RANGE(LDLM) + OPC_RANGE(MDS) + OPC_RANGE(OST)); } else if (opc < SEC_LAST_OPC) { /* SEC opcode */ return (opc - SEC_FIRST_OPC + OPC_RANGE(SEQ) + OPC_RANGE(QUOTA) + OPC_RANGE(LLOG) + OPC_RANGE(OBD) + OPC_RANGE(MGS) + OPC_RANGE(LDLM) + OPC_RANGE(MDS) + OPC_RANGE(OST)); } else if (opc < FLD_LAST_OPC) { /* FLD opcode */ return (opc - FLD_FIRST_OPC + OPC_RANGE(SEC) + OPC_RANGE(SEQ) + OPC_RANGE(QUOTA) + OPC_RANGE(LLOG) + OPC_RANGE(OBD) + OPC_RANGE(MGS) + OPC_RANGE(LDLM) + OPC_RANGE(MDS) + OPC_RANGE(OST)); } else if (opc < OUT_UPDATE_LAST_OPC) { /* update opcode */ return (opc - OUT_UPDATE_FIRST_OPC + OPC_RANGE(FLD) + OPC_RANGE(SEC) + OPC_RANGE(SEQ) + OPC_RANGE(QUOTA) + OPC_RANGE(LLOG) + OPC_RANGE(OBD) + OPC_RANGE(MGS) + OPC_RANGE(LDLM) + OPC_RANGE(MDS) + OPC_RANGE(OST)); } else if (opc < LFSCK_LAST_OPC) { /* LFSCK opcode */ return (opc - LFSCK_FIRST_OPC + OPC_RANGE(OUT_UPDATE) + OPC_RANGE(FLD) + OPC_RANGE(SEC) + OPC_RANGE(SEQ) + OPC_RANGE(QUOTA) + OPC_RANGE(LLOG) + OPC_RANGE(OBD) + OPC_RANGE(MGS) + OPC_RANGE(LDLM) + OPC_RANGE(MDS) + OPC_RANGE(OST)); } else { /* Unknown Opcode */ return -1; } } #define LUSTRE_MAX_OPCODES (OPC_RANGE(OST) + \ OPC_RANGE(MDS) + \ OPC_RANGE(LDLM) + \ OPC_RANGE(MGS) + \ OPC_RANGE(OBD) + \ OPC_RANGE(LLOG) + \ OPC_RANGE(SEC) + \ OPC_RANGE(SEQ) + \ OPC_RANGE(SEC) + \ OPC_RANGE(FLD) + \ OPC_RANGE(OUT_UPDATE) + \ OPC_RANGE(LFSCK)) #define EXTRA_MAX_OPCODES ((PTLRPC_LAST_CNTR - PTLRPC_FIRST_CNTR) + \ OPC_RANGE(EXTRA)) enum { PTLRPC_REQWAIT_CNTR = 0, PTLRPC_REQQDEPTH_CNTR, PTLRPC_REQACTIVE_CNTR, PTLRPC_TIMEOUT, PTLRPC_REQBUF_AVAIL_CNTR, PTLRPC_LAST_CNTR }; #define PTLRPC_FIRST_CNTR PTLRPC_REQWAIT_CNTR enum { LDLM_GLIMPSE_ENQUEUE = 0, LDLM_PLAIN_ENQUEUE, LDLM_EXTENT_ENQUEUE, LDLM_FLOCK_ENQUEUE, LDLM_IBITS_ENQUEUE, MDS_REINT_SETATTR, MDS_REINT_CREATE, MDS_REINT_LINK, MDS_REINT_UNLINK, MDS_REINT_RENAME, MDS_REINT_OPEN, MDS_REINT_SETXATTR, BRW_READ_BYTES, BRW_WRITE_BYTES, EXTRA_LAST_OPC }; #define EXTRA_FIRST_OPC LDLM_GLIMPSE_ENQUEUE /* class_obd.c */ extern cfs_proc_dir_entry_t *proc_lustre_root; struct obd_device; struct obd_histogram; /* Days / hours / mins / seconds format */ struct dhms { int d,h,m,s; }; static inline void s2dhms(struct dhms *ts, time_t secs) { ts->d = secs / 86400; secs = secs % 86400; ts->h = secs / 3600; secs = secs % 3600; ts->m = secs / 60; ts->s = secs % 60; } #define DHMS_FMT "%dd%dh%02dm%02ds" #define DHMS_VARS(x) (x)->d, (x)->h, (x)->m, (x)->s #define JOBSTATS_JOBID_VAR_MAX_LEN 20 #define JOBSTATS_DISABLE "disable" #define JOBSTATS_PROCNAME_UID "procname_uid" typedef void (*cntr_init_callback)(struct lprocfs_stats *stats); struct obd_job_stats { cfs_hash_t *ojs_hash; cfs_list_t ojs_list; rwlock_t ojs_lock; /* protect the obj_list */ cntr_init_callback ojs_cntr_init_fn; int ojs_cntr_num; int ojs_cleanup_interval; time_t ojs_last_cleanup; }; #ifdef LPROCFS extern int lprocfs_stats_alloc_one(struct lprocfs_stats *stats, unsigned int cpuid); /* * \return value * < 0 : on error (only possible for opc as LPROCFS_GET_SMP_ID) */ static inline int lprocfs_stats_lock(struct lprocfs_stats *stats, int opc, unsigned long *flags) { int rc = 0; switch (opc) { default: LBUG(); case LPROCFS_GET_SMP_ID: if (stats->ls_flags & LPROCFS_STATS_FLAG_NOPERCPU) { if (stats->ls_flags & LPROCFS_STATS_FLAG_IRQ_SAFE) spin_lock_irqsave(&stats->ls_lock, *flags); else spin_lock(&stats->ls_lock); return 0; } else { unsigned int cpuid = get_cpu(); if (unlikely(stats->ls_percpu[cpuid] == NULL)) { rc = lprocfs_stats_alloc_one(stats, cpuid); if (rc < 0) { put_cpu(); return rc; } } return cpuid; } case LPROCFS_GET_NUM_CPU: if (stats->ls_flags & LPROCFS_STATS_FLAG_NOPERCPU) { if (stats->ls_flags & LPROCFS_STATS_FLAG_IRQ_SAFE) spin_lock_irqsave(&stats->ls_lock, *flags); else spin_lock(&stats->ls_lock); return 1; } else { return stats->ls_biggest_alloc_num; } } } static inline void lprocfs_stats_unlock(struct lprocfs_stats *stats, int opc, unsigned long *flags) { switch (opc) { default: LBUG(); case LPROCFS_GET_SMP_ID: if (stats->ls_flags & LPROCFS_STATS_FLAG_NOPERCPU) { if (stats->ls_flags & LPROCFS_STATS_FLAG_IRQ_SAFE) { spin_unlock_irqrestore(&stats->ls_lock, *flags); } else { spin_unlock(&stats->ls_lock); } } else { put_cpu(); } return; case LPROCFS_GET_NUM_CPU: if (stats->ls_flags & LPROCFS_STATS_FLAG_NOPERCPU) { if (stats->ls_flags & LPROCFS_STATS_FLAG_IRQ_SAFE) { spin_unlock_irqrestore(&stats->ls_lock, *flags); } else { spin_unlock(&stats->ls_lock); } } return; } } static inline unsigned int lprocfs_stats_counter_size(struct lprocfs_stats *stats) { unsigned int percpusize; percpusize = offsetof(struct lprocfs_percpu, lp_cntr[stats->ls_num]); /* irq safe stats need lc_array_sum[1] */ if ((stats->ls_flags & LPROCFS_STATS_FLAG_IRQ_SAFE) != 0) percpusize += stats->ls_num * sizeof(__s64); if ((stats->ls_flags & LPROCFS_STATS_FLAG_NOPERCPU) == 0) percpusize = L1_CACHE_ALIGN(percpusize); return percpusize; } static inline struct lprocfs_counter * lprocfs_stats_counter_get(struct lprocfs_stats *stats, unsigned int cpuid, int index) { struct lprocfs_counter *cntr; cntr = &stats->ls_percpu[cpuid]->lp_cntr[index]; if ((stats->ls_flags & LPROCFS_STATS_FLAG_IRQ_SAFE) != 0) cntr = (void *)cntr + index * sizeof(__s64); return cntr; } /* Two optimized LPROCFS counter increment functions are provided: * lprocfs_counter_incr(cntr, value) - optimized for by-one counters * lprocfs_counter_add(cntr) - use for multi-valued counters * Counter data layout allows config flag, counter lock and the * count itself to reside within a single cache line. */ extern void lprocfs_counter_add(struct lprocfs_stats *stats, int idx, long amount); extern void lprocfs_counter_sub(struct lprocfs_stats *stats, int idx, long amount); #define lprocfs_counter_incr(stats, idx) \ lprocfs_counter_add(stats, idx, 1) #define lprocfs_counter_decr(stats, idx) \ lprocfs_counter_sub(stats, idx, 1) extern __s64 lprocfs_read_helper(struct lprocfs_counter *lc, struct lprocfs_counter_header *header, enum lprocfs_stats_flags flags, enum lprocfs_fields_flags field); static inline __u64 lprocfs_stats_collector(struct lprocfs_stats *stats, int idx, enum lprocfs_fields_flags field) { int i; unsigned int num_cpu; unsigned long flags = 0; __u64 ret = 0; LASSERT(stats != NULL); num_cpu = lprocfs_stats_lock(stats, LPROCFS_GET_NUM_CPU, &flags); for (i = 0; i < num_cpu; i++) { if (stats->ls_percpu[i] == NULL) continue; ret += lprocfs_read_helper( lprocfs_stats_counter_get(stats, i, idx), &stats->ls_cnt_header[idx], stats->ls_flags, field); } lprocfs_stats_unlock(stats, LPROCFS_GET_NUM_CPU, &flags); return ret; } extern struct lprocfs_stats * lprocfs_alloc_stats(unsigned int num, enum lprocfs_stats_flags flags); extern void lprocfs_clear_stats(struct lprocfs_stats *stats); extern void lprocfs_free_stats(struct lprocfs_stats **stats); extern void lprocfs_init_ops_stats(int num_private_stats, struct lprocfs_stats *stats); extern void lprocfs_init_mps_stats(int num_private_stats, struct lprocfs_stats *stats); extern void lprocfs_init_ldlm_stats(struct lprocfs_stats *ldlm_stats); extern int lprocfs_alloc_obd_stats(struct obd_device *obddev, unsigned int num_private_stats); extern int lprocfs_alloc_md_stats(struct obd_device *obddev, unsigned int num_private_stats); extern void lprocfs_counter_init(struct lprocfs_stats *stats, int index, unsigned conf, const char *name, const char *units); extern void lprocfs_free_obd_stats(struct obd_device *obddev); extern void lprocfs_free_md_stats(struct obd_device *obddev); struct obd_export; struct nid_stat; extern int lprocfs_add_clear_entry(struct obd_device * obd, cfs_proc_dir_entry_t *entry); #ifdef HAVE_SERVER_SUPPORT extern int lprocfs_exp_setup(struct obd_export *exp, lnet_nid_t *peer_nid, int *newnid); extern int lprocfs_exp_cleanup(struct obd_export *exp); #else static inline int lprocfs_exp_cleanup(struct obd_export *exp) { return 0; } #endif extern struct proc_dir_entry * lprocfs_add_simple(struct proc_dir_entry *root, char *name, #ifndef HAVE_ONLY_PROCFS_SEQ read_proc_t *read_proc, write_proc_t *write_proc, #endif void *data, const struct file_operations *fops); extern struct proc_dir_entry * lprocfs_add_symlink(const char *name, struct proc_dir_entry *parent, const char *format, ...); extern void lprocfs_free_per_client_stats(struct obd_device *obd); #ifdef HAVE_SERVER_SUPPORT #ifndef HAVE_ONLY_PROCFS_SEQ extern int lprocfs_nid_stats_clear_write(struct file *file, const char *buffer, unsigned long count, void *data); extern int lprocfs_nid_stats_clear_read(char *page, char **start, off_t off, int count, int *eof, void *data); #endif extern ssize_t lprocfs_nid_stats_clear_seq_write(struct file *file, const char *buffer, size_t count, loff_t *off); extern int lprocfs_nid_stats_clear_seq_show(struct seq_file *file, void *data); #endif extern int lprocfs_register_stats(cfs_proc_dir_entry_t *root, const char *name, struct lprocfs_stats *stats); /* lprocfs_status.c */ #ifndef HAVE_ONLY_PROCFS_SEQ extern int lprocfs_add_vars(cfs_proc_dir_entry_t *root, struct lprocfs_vars *var, void *data); extern cfs_proc_dir_entry_t *lprocfs_register(const char *name, cfs_proc_dir_entry_t *parent, struct lprocfs_vars *list, void *data); #endif extern int lprocfs_seq_add_vars(cfs_proc_dir_entry_t *root, struct lprocfs_seq_vars *var, void *data); extern cfs_proc_dir_entry_t * lprocfs_seq_register(const char *name, cfs_proc_dir_entry_t *parent, struct lprocfs_seq_vars *list, void *data); extern void lprocfs_remove(cfs_proc_dir_entry_t **root); extern void lprocfs_remove_proc_entry(const char *name, struct proc_dir_entry *parent); #ifndef HAVE_ONLY_PROCFS_SEQ extern void lprocfs_try_remove_proc_entry(const char *name, struct proc_dir_entry *parent); extern cfs_proc_dir_entry_t *lprocfs_srch(cfs_proc_dir_entry_t *root, const char *name); extern int lprocfs_obd_setup(struct obd_device *obd, struct lprocfs_vars *list); #endif extern int lprocfs_seq_obd_setup(struct obd_device *dev); extern int lprocfs_obd_cleanup(struct obd_device *obd); #ifdef HAVE_SERVER_SUPPORT extern const struct file_operations lprocfs_evict_client_fops; #endif extern int lprocfs_seq_create(struct proc_dir_entry *parent, const char *name, mode_t mode, const struct file_operations *seq_fops, void *data); extern int lprocfs_obd_seq_create(struct obd_device *dev, const char *name, mode_t mode, const struct file_operations *seq_fops, void *data); /* Generic callbacks */ #ifndef HAVE_ONLY_PROCFS_SEQ extern int lprocfs_rd_u64(char *page, char **start, off_t off, int count, int *eof, void *data); extern int lprocfs_rd_atomic(char *page, char **start, off_t off, int count, int *eof, void *data); extern int lprocfs_wr_atomic(struct file *file, const char *buffer, unsigned long count, void *data); extern int lprocfs_rd_uint(char *page, char **start, off_t off, int count, int *eof, void *data); extern int lprocfs_rd_uuid(char *page, char **start, off_t off, int count, int *eof, void *data); extern int lprocfs_rd_name(char *page, char **start, off_t off, int count, int *eof, void *data); extern int lprocfs_rd_server_uuid(char *page, char **start, off_t off, int count, int *eof, void *data); extern int lprocfs_rd_conn_uuid(char *page, char **start, off_t off, int count, int *eof, void *data); extern int lprocfs_rd_import(char *page, char **start, off_t off, int count, int *eof, void *data); extern int lprocfs_rd_state(char *page, char **start, off_t off, int count, int *eof, void *data); extern int lprocfs_rd_connect_flags(char *page, char **start, off_t off, int count, int *eof, void *data); extern int lprocfs_rd_num_exports(char *page, char **start, off_t off, int count, int *eof, void *data); extern int lprocfs_rd_numrefs(char *page, char **start, off_t off, int count, int *eof, void *data); #endif extern int lprocfs_u64_seq_show(struct seq_file *m, void *data); extern int lprocfs_atomic_seq_show(struct seq_file *m, void *data); extern ssize_t lprocfs_atomic_seq_write(struct file *file, const char *buffer, size_t count, loff_t *off); extern int lprocfs_uint_seq_show(struct seq_file *m, void *data); extern ssize_t lprocfs_uint_seq_write(struct file *file, const char *buffer, size_t count, loff_t *off); extern int lprocfs_wr_uint(struct file *file, const char *buffer, unsigned long count, void *data); extern int lprocfs_uuid_seq_show(struct seq_file *m, void *data); extern int lprocfs_name_seq_show(struct seq_file *m, void *data); extern int lprocfs_server_uuid_seq_show(struct seq_file *m, void *data); extern int lprocfs_conn_uuid_seq_show(struct seq_file *m, void *data); extern int lprocfs_import_seq_show(struct seq_file *m, void *data); extern int lprocfs_state_seq_show(struct seq_file *m, void *data); extern int lprocfs_connect_flags_seq_show(struct seq_file *m, void *data); #ifdef HAVE_SERVER_SUPPORT extern int lprocfs_num_exports_seq_show(struct seq_file *m, void *data); #endif struct adaptive_timeout; #ifndef HAVE_ONLY_PROCFS_SEQ extern int lprocfs_at_hist_helper(char *page, int count, int rc, struct adaptive_timeout *at); extern int lprocfs_rd_timeouts(char *page, char **start, off_t off, int count, int *eof, void *data); extern int lprocfs_wr_timeouts(struct file *file, const char *buffer, unsigned long count, void *data); #endif extern int lprocfs_seq_at_hist_helper(struct seq_file *m, struct adaptive_timeout *at); extern int lprocfs_timeouts_seq_show(struct seq_file *m, void *data); extern ssize_t lprocfs_timeouts_seq_write(struct file *file, const char *buffer, size_t count, loff_t *off); #ifndef HAVE_ONLY_PROCFS_SEQ #ifdef HAVE_SERVER_SUPPORT extern ssize_t lprocfs_fops_read(struct file *f, char __user *buf, size_t size, loff_t *ppos); extern ssize_t lprocfs_fops_write(struct file *f, const char __user *buf, size_t size, loff_t *ppos); extern int lprocfs_wr_evict_client(struct file *file, const char *buffer, unsigned long count, void *data); #endif extern int lprocfs_wr_ping(struct file *file, const char *buffer, unsigned long count, void *data); extern int lprocfs_wr_import(struct file *file, const char *buffer, unsigned long count, void *data); extern int lprocfs_rd_pinger_recov(char *page, char **start, off_t off, int count, int *eof, void *data); extern int lprocfs_wr_pinger_recov(struct file *file, const char *buffer, unsigned long count, void *data); #endif #ifdef HAVE_SERVER_SUPPORT extern ssize_t lprocfs_evict_client_seq_write(struct file *file, const char *buffer, size_t count, loff_t *off); #endif extern ssize_t lprocfs_ping_seq_write(struct file *file, const char *buffer, size_t count, loff_t *off); extern ssize_t lprocfs_import_seq_write(struct file *file, const char *buffer, size_t count, loff_t *off); extern int lprocfs_pinger_recov_seq_show(struct seq_file *m, void *data); extern ssize_t lprocfs_pinger_recov_seq_write(struct file *file, const char *buffer, size_t count, loff_t *off); /* Statfs helpers */ #ifndef HAVE_ONLY_PROCFS_SEQ extern int lprocfs_rd_blksize(char *page, char **start, off_t off, int count, int *eof, void *data); extern int lprocfs_rd_kbytestotal(char *page, char **start, off_t off, int count, int *eof, void *data); extern int lprocfs_rd_kbytesfree(char *page, char **start, off_t off, int count, int *eof, void *data); extern int lprocfs_rd_kbytesavail(char *page, char **start, off_t off, int count, int *eof, void *data); extern int lprocfs_rd_filestotal(char *page, char **start, off_t off, int count, int *eof, void *data); extern int lprocfs_rd_filesfree(char *page, char **start, off_t off, int count, int *eof, void *data); extern int lprocfs_rd_filegroups(char *page, char **start, off_t off, int count, int *eof, void *data); #endif extern int lprocfs_blksize_seq_show(struct seq_file *m, void *data); extern int lprocfs_kbytestotal_seq_show(struct seq_file *m, void *data); extern int lprocfs_kbytesfree_seq_show(struct seq_file *m, void *data); extern int lprocfs_kbytesavail_seq_show(struct seq_file *m, void *data); extern int lprocfs_filestotal_seq_show(struct seq_file *m, void *data); extern int lprocfs_filesfree_seq_show(struct seq_file *m, void *data); extern int lprocfs_write_helper(const char *buffer, unsigned long count, int *val); extern int lprocfs_write_frac_helper(const char *buffer, unsigned long count, int *val, int mult); extern int lprocfs_seq_read_frac_helper(struct seq_file *m, long val, int mult); extern int lprocfs_read_frac_helper(char *buffer, unsigned long count, long val, int mult); extern int lprocfs_write_u64_helper(const char *buffer, unsigned long count, __u64 *val); extern int lprocfs_write_frac_u64_helper(const char *buffer, unsigned long count, __u64 *val, int mult); char *lprocfs_find_named_value(const char *buffer, const char *name, size_t *count); void lprocfs_oh_tally(struct obd_histogram *oh, unsigned int value); void lprocfs_oh_tally_log2(struct obd_histogram *oh, unsigned int value); void lprocfs_oh_clear(struct obd_histogram *oh); unsigned long lprocfs_oh_sum(struct obd_histogram *oh); void lprocfs_stats_collect(struct lprocfs_stats *stats, int idx, struct lprocfs_counter *cnt); #ifdef HAVE_SERVER_SUPPORT #ifndef HAVE_ONLY_PROCFS_SEQ /* lprocfs_status.c: recovery status */ int lprocfs_obd_rd_recovery_status(char *page, char **start, off_t off, int count, int *eof, void *data); /* lprocfs_statuc.c: hash statistics */ int lprocfs_obd_rd_hash(char *page, char **start, off_t off, int count, int *eof, void *data); /* lprocfs_status.c: IR factor */ int lprocfs_obd_rd_ir_factor(char *page, char **start, off_t off, int count, int *eof, void *data); int lprocfs_obd_wr_ir_factor(struct file *file, const char *buffer, unsigned long count, void *data); #endif /* lprocfs_status.c: recovery status */ int lprocfs_recovery_status_seq_show(struct seq_file *m, void *data); /* lprocfs_status.c: hash statistics */ int lprocfs_hash_seq_show(struct seq_file *m, void *data); /* lprocfs_status.c: IR factor */ int lprocfs_ir_factor_seq_show(struct seq_file *m, void *data); ssize_t lprocfs_ir_factor_seq_write(struct file *file, const char *buffer, size_t count, loff_t *off); #endif extern int lprocfs_single_release(cfs_inode_t *, struct file *); extern int lprocfs_seq_release(cfs_inode_t *, struct file *); /* You must use these macros when you want to refer to * the import in a client obd_device for a lprocfs entry */ #define LPROCFS_CLIMP_CHECK(obd) do { \ typecheck(struct obd_device *, obd); \ down_read(&(obd)->u.cli.cl_sem); \ if ((obd)->u.cli.cl_import == NULL) { \ up_read(&(obd)->u.cli.cl_sem); \ return -ENODEV; \ } \ } while(0) #define LPROCFS_CLIMP_EXIT(obd) \ up_read(&(obd)->u.cli.cl_sem); /* write the name##_seq_show function, call LPROC_SEQ_FOPS_RO for read-only proc entries; otherwise, you will define name##_seq_write function also for a read-write proc entry, and then call LPROC_SEQ_SEQ instead. Finally, call lprocfs_obd_seq_create(obd, filename, 0444, &name#_fops, data); */ #define __LPROC_SEQ_FOPS(name, custom_seq_write) \ static int name##_single_open(cfs_inode_t *inode, struct file *file) \ { \ LPROCFS_ENTRY_CHECK(PDE(inode)); \ return single_open(file, name##_seq_show, PDE_DATA(inode)); \ } \ struct file_operations name##_fops = { \ .owner = THIS_MODULE, \ .open = name##_single_open, \ .read = seq_read, \ .write = custom_seq_write, \ .llseek = seq_lseek, \ .release = lprocfs_single_release, \ } #define LPROC_SEQ_FOPS_RO(name) __LPROC_SEQ_FOPS(name, NULL) #define LPROC_SEQ_FOPS(name) __LPROC_SEQ_FOPS(name, name##_seq_write) #define LPROC_SEQ_FOPS_RO_TYPE(name, type) \ static int name##_##type##_seq_show(struct seq_file *m, void *v)\ { \ return lprocfs_##type##_seq_show(m, m->private); \ } \ LPROC_SEQ_FOPS_RO(name##_##type) #define LPROC_SEQ_FOPS_RW_TYPE(name, type) \ static int name##_##type##_seq_show(struct seq_file *m, void *v)\ { \ return lprocfs_##type##_seq_show(m, m->private); \ } \ static ssize_t name##_##type##_seq_write(struct file *file, \ const char *buffer, size_t count, loff_t *off) \ { \ struct seq_file *seq = file->private_data; \ return lprocfs_##type##_seq_write(file, buffer, \ count, seq->private); \ } \ LPROC_SEQ_FOPS(name##_##type); #define LPROC_SEQ_FOPS_WO_TYPE(name, type) \ static ssize_t name##_##type##_write(struct file *file, \ const char *buffer, size_t count, loff_t *off) \ { \ return lprocfs_##type##_seq_write(file, buffer, count, off); \ } \ static int name##_##type##_open(cfs_inode_t *inode, struct file *file) \ { \ return single_open(file, NULL, PDE_DATA(inode)); \ } \ struct file_operations name##_##type##_fops = { \ .open = name##_##type##_open, \ .write = name##_##type##_write, \ .release = lprocfs_single_release, \ }; /* lproc_ptlrpc.c */ struct ptlrpc_request; extern void target_print_req(void *seq_file, struct ptlrpc_request *req); #ifdef HAVE_SERVER_SUPPORT /* lprocfs_jobstats.c */ int lprocfs_job_stats_log(struct obd_device *obd, char *jobid, int event, long amount); void lprocfs_job_stats_fini(struct obd_device *obd); int lprocfs_job_stats_init(struct obd_device *obd, int cntr_num, cntr_init_callback fn); #ifndef HAVE_ONLY_PROCFS_SEQ int lprocfs_rd_job_interval(char *page, char **start, off_t off, int count, int *eof, void *data); int lprocfs_wr_job_interval(struct file *file, const char *buffer, unsigned long count, void *data); /* lproc_status.c */ int lprocfs_obd_rd_recovery_time_soft(char *page, char **start, off_t off, int count, int *eof, void *data); int lprocfs_obd_wr_recovery_time_soft(struct file *file, const char *buffer, unsigned long count, void *data); int lprocfs_obd_rd_recovery_time_hard(char *page, char **start, off_t off, int count, int *eof, void *data); int lprocfs_obd_wr_recovery_time_hard(struct file *file, const char *buffer, unsigned long count, void *data); int lprocfs_target_rd_instance(char *page, char **start, off_t off, int count, int *eof, void *data); #endif int lprocfs_job_interval_seq_show(struct seq_file *m, void *data); ssize_t lprocfs_job_interval_seq_write(struct file *file, const char *buffer, size_t count, loff_t *off); /* lproc_status.c */ int lprocfs_recovery_time_soft_seq_show(struct seq_file *m, void *data); ssize_t lprocfs_recovery_time_soft_seq_write(struct file *file, const char *buffer, size_t count, loff_t *off); int lprocfs_recovery_time_hard_seq_show(struct seq_file *m, void *data); ssize_t lprocfs_recovery_time_hard_seq_write(struct file *file, const char *buffer, size_t count, loff_t *off); int lprocfs_target_instance_seq_show(struct seq_file *m, void *data); #endif #ifndef HAVE_ONLY_PROCFS_SEQ int lprocfs_obd_rd_max_pages_per_rpc(char *page, char **start, off_t off, int count, int *eof, void *data); int lprocfs_obd_wr_max_pages_per_rpc(struct file *file, const char *buffer, unsigned long count, void *data); #endif int lprocfs_obd_max_pages_per_rpc_seq_show(struct seq_file *m, void *data); ssize_t lprocfs_obd_max_pages_per_rpc_seq_write(struct file *file, const char *buffer, size_t count, loff_t *off); struct root_squash_info; int lprocfs_wr_root_squash(const char *buffer, unsigned long count, struct root_squash_info *squash, char *name); int lprocfs_wr_nosquash_nids(const char *buffer, unsigned long count, struct root_squash_info *squash, char *name); /* all quota proc functions */ extern int lprocfs_quota_rd_bunit(char *page, char **start, off_t off, int count, int *eof, void *data); extern int lprocfs_quota_wr_bunit(struct file *file, const char *buffer, unsigned long count, void *data); extern int lprocfs_quota_rd_btune(char *page, char **start, off_t off, int count, int *eof, void *data); extern int lprocfs_quota_wr_btune(struct file *file, const char *buffer, unsigned long count, void *data); extern int lprocfs_quota_rd_iunit(char *page, char **start, off_t off, int count, int *eof, void *data); extern int lprocfs_quota_wr_iunit(struct file *file, const char *buffer, unsigned long count, void *data); extern int lprocfs_quota_rd_itune(char *page, char **start, off_t off, int count, int *eof, void *data); extern int lprocfs_quota_wr_itune(struct file *file, const char *buffer, unsigned long count, void *data); extern int lprocfs_quota_rd_type(char *page, char **start, off_t off, int count, int *eof, void *data); extern int lprocfs_quota_wr_type(struct file *file, const char *buffer, unsigned long count, void *data); extern int lprocfs_quota_rd_switch_seconds(char *page, char **start, off_t off, int count, int *eof, void *data); extern int lprocfs_quota_wr_switch_seconds(struct file *file, const char *buffer, unsigned long count, void *data); extern int lprocfs_quota_rd_sync_blk(char *page, char **start, off_t off, int count, int *eof, void *data); extern int lprocfs_quota_wr_sync_blk(struct file *file, const char *buffer, unsigned long count, void *data); extern int lprocfs_quota_rd_switch_qs(char *page, char **start, off_t off, int count, int *eof, void *data); extern int lprocfs_quota_wr_switch_qs(struct file *file, const char *buffer, unsigned long count, void *data); extern int lprocfs_quota_rd_boundary_factor(char *page, char **start, off_t off, int count, int *eof, void *data); extern int lprocfs_quota_wr_boundary_factor(struct file *file, const char *buffer, unsigned long count, void *data); extern int lprocfs_quota_rd_least_bunit(char *page, char **start, off_t off, int count, int *eof, void *data); extern int lprocfs_quota_wr_least_bunit(struct file *file, const char *buffer, unsigned long count, void *data); extern int lprocfs_quota_rd_least_iunit(char *page, char **start, off_t off, int count, int *eof, void *data); extern int lprocfs_quota_wr_least_iunit(struct file *file, const char *buffer, unsigned long count, void *data); extern int lprocfs_quota_rd_qs_factor(char *page, char **start, off_t off, int count, int *eof, void *data); extern int lprocfs_quota_wr_qs_factor(struct file *file, const char *buffer, unsigned long count, void *data); #else /* LPROCFS is not defined */ #define proc_lustre_root NULL static inline void lprocfs_counter_add(struct lprocfs_stats *stats, int index, long amount) { return; } static inline void lprocfs_counter_incr(struct lprocfs_stats *stats, int index) { return; } static inline void lprocfs_counter_sub(struct lprocfs_stats *stats, int index, long amount) { return; } static inline void lprocfs_counter_decr(struct lprocfs_stats *stats, int index) { return; } static inline void lprocfs_counter_init(struct lprocfs_stats *stats, int index, unsigned conf, const char *name, const char *units) { return; } static inline __u64 lc_read_helper(struct lprocfs_counter *lc, enum lprocfs_fields_flags field) { return 0; } /* NB: we return !NULL to satisfy error checker */ static inline struct lprocfs_stats * lprocfs_alloc_stats(unsigned int num, enum lprocfs_stats_flags flags) { return (struct lprocfs_stats *)1; } static inline void lprocfs_clear_stats(struct lprocfs_stats *stats) { return; } static inline void lprocfs_free_stats(struct lprocfs_stats **stats) { return; } static inline int lprocfs_register_stats(cfs_proc_dir_entry_t *root, const char *name, struct lprocfs_stats *stats) { return 0; } static inline void lprocfs_init_ops_stats(int num_private_stats, struct lprocfs_stats *stats) { return; } static inline void lprocfs_init_mps_stats(int num_private_stats, struct lprocfs_stats *stats) { return; } static inline void lprocfs_init_ldlm_stats(struct lprocfs_stats *ldlm_stats) { return; } static inline int lprocfs_alloc_obd_stats(struct obd_device *obddev, unsigned int num_private_stats) { return 0; } static inline int lprocfs_alloc_md_stats(struct obd_device *obddev, unsigned int num_private_stats) { return 0; } static inline void lprocfs_free_obd_stats(struct obd_device *obddev) { return; } static inline void lprocfs_free_md_stats(struct obd_device *obddev) { return; } struct obd_export; static inline int lprocfs_add_clear_entry(struct obd_export *exp) { return 0; } static inline void lprocfs_free_per_client_stats(struct obd_device *obd) { return; } #ifdef HAVE_SERVER_SUPPORT #ifndef HAVE_ONLY_PROCFS_SEQ static inline int lprocfs_nid_stats_clear_write(struct file *file, const char *buffer, unsigned long count, void *data) {return count;} static inline int lprocfs_nid_stats_clear_read(char *page, char **start, off_t off, int count, int *eof, void *data) {return count;} #endif static inline ssize_t lprocfs_nid_stats_seq_write(struct file *file, const char *buffer, size_t count, loff_t *off) {return 0;} static inline int lprocfs_nid_stats_clear_seq_show(struct seq_file *m, void *data) {return 0;} static inline int lprocfs_exp_setup(struct obd_export *exp,lnet_nid_t *peer_nid, int *newnid) { return 0; } #endif static inline int lprocfs_exp_cleanup(struct obd_export *exp) { return 0; } static inline struct proc_dir_entry * lprocfs_add_simple(struct proc_dir_entry *root, char *name, #ifndef HAVE_ONLY_PROCFS_SEQ read_proc_t *read_proc, write_proc_t *write_proc, #endif void *data, const struct file_operations *fops) {return 0; } static inline struct proc_dir_entry * lprocfs_add_symlink(const char *name, struct proc_dir_entry *parent, const char *format, ...) {return NULL; } #ifndef HAVE_ONLY_PROCFS_SEQ static inline cfs_proc_dir_entry_t * lprocfs_register(const char *name, cfs_proc_dir_entry_t *parent, struct lprocfs_vars *list, void *data) { return NULL; } static inline int lprocfs_add_vars(cfs_proc_dir_entry_t *root, struct lprocfs_vars *var, void *data) { return 0; } #endif static inline int lprocfs_seq_add_vars(cfs_proc_dir_entry_t *root, struct lprocfs_seq_vars *var, void *data) { return 0; } static inline cfs_proc_dir_entry_t * lprocfs_seq_register(const char *name, cfs_proc_dir_entry_t *parent, struct lprocfs_seq_vars *list, void *data) { return NULL; } static inline void lprocfs_remove(cfs_proc_dir_entry_t **root) { return; } static inline void lprocfs_remove_proc_entry(const char *name, struct proc_dir_entry *parent) { return; } #ifndef HAVE_ONLY_PROCFS_SEQ static inline void lprocfs_try_remove_proc_entry(const char *name, struct proc_dir_entry *parent) { return; } static inline cfs_proc_dir_entry_t *lprocfs_srch(cfs_proc_dir_entry_t *head, const char *name) { return 0; } static inline int lprocfs_obd_setup(struct obd_device *dev, struct lprocfs_vars *list) { return 0; } #endif static inline int lprocfs_seq_obd_setup(struct obd_device *dev) { return 0; } static inline int lprocfs_obd_cleanup(struct obd_device *dev) { return 0; } static inline int lprocfs_rd_u64(char *page, char **start, off_t off, int count, int *eof, void *data) { return 0; } #ifndef HAVE_ONLY_PROCFS_SEQ static inline int lprocfs_rd_uuid(char *page, char **start, off_t off, int count, int *eof, void *data) { return 0; } static inline int lprocfs_rd_name(char *page, char **start, off_t off, int count, int *eof, void *data) { return 0; } static inline int lprocfs_rd_server_uuid(char *page, char **start, off_t off, int count, int *eof, void *data) { return 0; } static inline int lprocfs_rd_conn_uuid(char *page, char **start, off_t off, int count, int *eof, void *data) { return 0; } static inline int lprocfs_rd_import(char *page, char **start, off_t off, int count, int *eof, void *data) { return 0; } static inline int lprocfs_rd_pinger_recov(char *page, char **start, off_t off, int count, int *eof, void *data) { return 0; } static inline int lprocfs_rd_state(char *page, char **start, off_t off, int count, int *eof, void *data) { return 0; } static inline int lprocfs_rd_connect_flags(char *page, char **start, off_t off, int count, int *eof, void *data) { return 0; } static inline int lprocfs_rd_num_exports(char *page, char **start, off_t off, int count, int *eof, void *data) { return 0; } static inline int lprocfs_rd_numrefs(struct seq_file *m, void *data) { return 0; } struct adaptive_timeout; static inline int lprocfs_at_hist_helper(char *page, int count, int rc, struct adaptive_timeout *at) { return 0; } static inline int lprocfs_rd_timeouts(char *page, char **start, off_t off, int count, int *eof, void *data) { return 0; } static inline int lprocfs_wr_timeouts(struct file *file, const char *buffer, unsigned long count, void *data) { return 0; } #ifdef HAVE_SERVER_SUPPORT static inline int lprocfs_wr_evict_client(struct file *file, const char *buffer, unsigned long count, void *data) { return 0; } #endif static inline int lprocfs_wr_ping(struct file *file, const char *buffer, unsigned long count, void *data) { return 0; } static inline int lprocfs_wr_import(struct file *file, const char *buffer, unsigned long count, void *data) { return 0; } static inline int lprocfs_wr_pinger_recov(struct file *file, const char *buffer, unsigned long count, void *data) { return 0; } #endif static inline int lprocfs_uuid_seq_show(struct seq_file *m, void *data) { return 0; } static inline int lprocfs_name_seq_show(struct seq_file *m, void *data) { return 0; } static inline int lprocfs_server_seq_show(struct seq_file *m, void *data) { return 0; } static inline int lprocfs_conn_uuid_seq_show(struct seq_file *m, void *data) { return 0; } static inline int lprocfs_import_seq_show(struct seq_file *m, void *data) { return 0; } static inline int lprocfs_state_seq_show(struct seq_file *m, void *data) { return 0; } static inline int lprocfs_connect_flags_seq_show(struct seq_file *m, void *data) { return 0; } #ifdef HAVE_SERVER_SUPPORT static inline int lprocfs_num_exports_seq_show(struct seq_file *m, void *data) { return 0; } #endif struct adaptive_timeout; static inline int lprocfs_seq_at_hist_helper(struct seq_file *m, struct adaptive_timeout *at) { return 0; } static inline int lprocfs_timeouts_seq_show(struct seq_file *m, void *data) { return 0; } static inline ssize_t lprocfs_timeouts_seq_write(struct file *file, const char *buffer, size_t count, loff_t *off) { return 0; } #ifdef HAVE_SERVER_SUPPORT static inline ssize_t lprocfs_evict_client_seq_write(struct file *file, const char *buffer, size_t count, loff_t *off) { return 0; } #endif static inline ssize_t lprocfs_ping_seq_write(struct file *file, const char *buffer, size_t count, loff_t *off) { return 0; } static inline ssize_t lprocfs_import_seq_write(struct file *file, const char *buffer, size_t count, loff_t *off) { return 0; } static inline int lprocfs_pinger_recov_seq_show(struct seq_file *m, void *data) { return 0; } static inline ssize_t lprocfs_pinger_recov_seq_write(struct file *file, const char *buffer, size_t count, loff_t *off) { return 0; } /* Statfs helpers */ #ifndef HAVE_ONLY_PROCFS_SEQ static inline int lprocfs_rd_blksize(char *page, char **start, off_t off, int count, int *eof, void *data) { return 0; } static inline int lprocfs_rd_kbytestotal(char *page, char **start, off_t off, int count, int *eof, void *data) { return 0; } static inline int lprocfs_rd_kbytesfree(char *page, char **start, off_t off, int count, int *eof, void *data) { return 0; } static inline int lprocfs_rd_kbytesavail(char *page, char **start, off_t off, int count, int *eof, void *data) { return 0; } static inline int lprocfs_rd_filestotal(char *page, char **start, off_t off, int count, int *eof, void *data) { return 0; } static inline int lprocfs_rd_filesfree(char *page, char **start, off_t off, int count, int *eof, void *data) { return 0; } #endif static inline int lprocfs_blksize_seq_show(struct seq_file *m, void *data) { return 0; } static inline int lprocfs_kbytestotal_seq_show(struct seq_file *m, void *data) { return 0; } static inline int lprocfs_kbytesfree_seq_show(struct seq_file *m, void *data) { return 0; } static inline int lprocfs_kbytesavail_seq_show(struct seq_file *m, void *data) { return 0; } static inline int lprocfs_filestotal_seq_show(struct seq_file *m, void *data) { return 0; } static inline int lprocfs_filesfree_seq_show(struct seq_file *m, void *data) { return 0; } static inline void lprocfs_oh_tally(struct obd_histogram *oh, unsigned int value) { return; } static inline void lprocfs_oh_tally_log2(struct obd_histogram *oh, unsigned int value) { return; } static inline void lprocfs_oh_clear(struct obd_histogram *oh) { return; } static inline unsigned long lprocfs_oh_sum(struct obd_histogram *oh) { return 0; } static inline void lprocfs_stats_collect(struct lprocfs_stats *stats, int idx, struct lprocfs_counter *cnt) { return; } static inline __u64 lprocfs_stats_collector(struct lprocfs_stats *stats, int idx, enum lprocfs_fields_flags field) { return (__u64)0; } #define LPROC_SEQ_FOPS_RO(name) #define LPROC_SEQ_FOPS(name) #define LPROC_SEQ_FOPS_RO_TYPE(name, type) #define LPROC_SEQ_FOPS_RW_TYPE(name, type) #define LPROC_SEQ_FOPS_WO_TYPE(name, type) /* lprocfs_jobstats.c */ static inline int lprocfs_job_stats_log(struct obd_device *obd, char *jobid, int event, long amount) { return 0; } static inline void lprocfs_job_stats_fini(struct obd_device *obd) { return; } static inline int lprocfs_job_stats_init(struct obd_device *obd, int cntr_num, cntr_init_callback fn) { return 0; } /* lproc_ptlrpc.c */ #define target_print_req NULL #endif /* LPROCFS */ #endif /* LPROCFS_SNMP_H */