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* 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, 2015, 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
#include <linux/debugfs.h>
#include <linux/seq_file.h>
#include <linux/spinlock.h>
#include <linux/types.h>
#include "lustre/lustre_idl.h"
struct lprocfs_vars {
const char *name;
struct file_operations *fops;
void *data;
/**
* sysfs file mode.
*/
umode_t proc_mode;
};
struct lprocfs_static_vars {
struct lprocfs_vars *obd_vars;
struct attribute_group *sysfs_vars;
};
/* 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 {
/* 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))
#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 struct dentry *debugfs_lustre_root;
extern struct kobject *lustre_kobj;
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, time64_t secs64)
{
unsigned int secs;
ts->d = div_u64_rem(secs64, 86400, &secs);
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"
#define JOBSTATS_NODELOCAL "nodelocal"
int lprocfs_write_frac_helper(const char __user *buffer,
unsigned long count, int *val, int mult);
int lprocfs_read_frac_helper(char *buffer, unsigned long count,
long val, int mult);
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])) {
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;
}
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.
*/
void lprocfs_counter_add(struct lprocfs_stats *stats, int idx, long amount);
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)
__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);
num_cpu = lprocfs_stats_lock(stats, LPROCFS_GET_NUM_CPU, &flags);
for (i = 0; i < num_cpu; i++) {
if (!stats->ls_percpu[i])
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);
void lprocfs_clear_stats(struct lprocfs_stats *stats);
void lprocfs_free_stats(struct lprocfs_stats **stats);
void lprocfs_counter_init(struct lprocfs_stats *stats, int index,
unsigned conf, const char *name, const char *units);
struct obd_export;
int lprocfs_exp_cleanup(struct obd_export *exp);
struct dentry *ldebugfs_add_simple(struct dentry *root,
char *name,
void *data,
struct file_operations *fops);
int ldebugfs_register_stats(struct dentry *parent,
const char *name,
struct lprocfs_stats *stats);
/* lprocfs_status.c */
int ldebugfs_add_vars(struct dentry *parent,
struct lprocfs_vars *var,
void *data);
struct dentry *ldebugfs_register(const char *name,
struct dentry *parent,
struct lprocfs_vars *list,
void *data);
void ldebugfs_remove(struct dentry **entryp);
int lprocfs_obd_setup(struct obd_device *obd, struct lprocfs_vars *list,
struct attribute_group *attrs);
int lprocfs_obd_cleanup(struct obd_device *obd);
int ldebugfs_seq_create(struct dentry *parent,
const char *name,
umode_t mode,
const struct file_operations *seq_fops,
void *data);
int ldebugfs_obd_seq_create(struct obd_device *dev,
const char *name,
umode_t mode,
const struct file_operations *seq_fops,
void *data);
/* Generic callbacks */
int lprocfs_rd_uint(struct seq_file *m, void *data);
int lprocfs_wr_uint(struct file *file, const char __user *buffer,
unsigned long count, void *data);
int lprocfs_rd_server_uuid(struct seq_file *m, void *data);
int lprocfs_rd_conn_uuid(struct seq_file *m, void *data);
int lprocfs_rd_import(struct seq_file *m, void *data);
int lprocfs_rd_state(struct seq_file *m, void *data);
int lprocfs_rd_connect_flags(struct seq_file *m, void *data);
struct adaptive_timeout;
int lprocfs_at_hist_helper(struct seq_file *m, struct adaptive_timeout *at);
int lprocfs_rd_timeouts(struct seq_file *m, void *data);
int lprocfs_wr_ping(struct file *file, const char __user *buffer,
size_t count, loff_t *off);
int lprocfs_wr_import(struct file *file, const char __user *buffer,
size_t count, loff_t *off);
int lprocfs_rd_pinger_recov(struct seq_file *m, void *n);
int lprocfs_wr_pinger_recov(struct file *file, const char __user *buffer,
size_t count, loff_t *off);
/* Statfs helpers */
int lprocfs_write_helper(const char __user *buffer, unsigned long count,
int *val);
int lprocfs_write_u64_helper(const char __user *buffer,
unsigned long count, __u64 *val);
int lprocfs_write_frac_u64_helper(const char __user *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);
int lprocfs_single_release(struct inode *, struct file *);
int lprocfs_seq_release(struct inode *, struct file *);
/* 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 ldebugfs_obd_seq_create(obd, filename, 0444, &name#_fops, data);
*/
#define __LPROC_SEQ_FOPS(name, custom_seq_write) \
static int name##_single_open(struct inode *inode, struct file *file) \
{ \
return single_open(file, name##_seq_show, inode->i_private); \
} \
static 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_rd_##type(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_rd_##type(m, m->private); \
} \
static ssize_t name##_##type##_seq_write(struct file *file, \
const char __user *buffer, size_t count, \
loff_t *off) \
{ \
struct seq_file *seq = file->private_data; \
return lprocfs_wr_##type(file, buffer, \
count, seq->private); \
} \
LPROC_SEQ_FOPS(name##_##type)
#define LPROC_SEQ_FOPS_WR_ONLY(name, type) \
static ssize_t name##_##type##_write(struct file *file, \
const char __user *buffer, size_t count, \
loff_t *off) \
{ \
return lprocfs_wr_##type(file, buffer, count, off); \
} \
static int name##_##type##_open(struct inode *inode, struct file *file) \
{ \
return single_open(file, NULL, inode->i_private); \
} \
static struct file_operations name##_##type##_fops = { \
.open = name##_##type##_open, \
.write = name##_##type##_write, \
.release = lprocfs_single_release, \
}
struct lustre_attr {
struct attribute attr;
ssize_t (*show)(struct kobject *kobj, struct attribute *attr,
char *buf);
ssize_t (*store)(struct kobject *kobj, struct attribute *attr,
const char *buf, size_t len);
};
#define LUSTRE_ATTR(name, mode, show, store) \
static struct lustre_attr lustre_attr_##name = __ATTR(name, mode, show, store)
#define LUSTRE_RO_ATTR(name) LUSTRE_ATTR(name, 0444, name##_show, NULL)
#define LUSTRE_RW_ATTR(name) LUSTRE_ATTR(name, 0644, name##_show, name##_store)
extern const struct sysfs_ops lustre_sysfs_ops;
/* all quota proc functions */
int lprocfs_quota_rd_bunit(char *page, char **start,
loff_t off, int count,
int *eof, void *data);
int lprocfs_quota_wr_bunit(struct file *file, const char *buffer,
unsigned long count, void *data);
int lprocfs_quota_rd_btune(char *page, char **start,
loff_t off, int count,
int *eof, void *data);
int lprocfs_quota_wr_btune(struct file *file, const char *buffer,
unsigned long count, void *data);
int lprocfs_quota_rd_iunit(char *page, char **start,
loff_t off, int count,
int *eof, void *data);
int lprocfs_quota_wr_iunit(struct file *file, const char *buffer,
unsigned long count, void *data);
int lprocfs_quota_rd_itune(char *page, char **start,
loff_t off, int count,
int *eof, void *data);
int lprocfs_quota_wr_itune(struct file *file, const char *buffer,
unsigned long count, void *data);
int lprocfs_quota_rd_type(char *page, char **start, loff_t off, int count,
int *eof, void *data);
int lprocfs_quota_wr_type(struct file *file, const char *buffer,
unsigned long count, void *data);
int lprocfs_quota_rd_switch_seconds(char *page, char **start, loff_t off,
int count, int *eof, void *data);
int lprocfs_quota_wr_switch_seconds(struct file *file,
const char *buffer,
unsigned long count, void *data);
int lprocfs_quota_rd_sync_blk(char *page, char **start, loff_t off,
int count, int *eof, void *data);
int lprocfs_quota_wr_sync_blk(struct file *file, const char *buffer,
unsigned long count, void *data);
int lprocfs_quota_rd_switch_qs(char *page, char **start, loff_t off,
int count, int *eof, void *data);
int lprocfs_quota_wr_switch_qs(struct file *file,
const char *buffer, unsigned long count,
void *data);
int lprocfs_quota_rd_boundary_factor(char *page, char **start, loff_t off,
int count, int *eof, void *data);
int lprocfs_quota_wr_boundary_factor(struct file *file,
const char *buffer, unsigned long count,
void *data);
int lprocfs_quota_rd_least_bunit(char *page, char **start, loff_t off,
int count, int *eof, void *data);
int lprocfs_quota_wr_least_bunit(struct file *file,
const char *buffer, unsigned long count,
void *data);
int lprocfs_quota_rd_least_iunit(char *page, char **start, loff_t off,
int count, int *eof, void *data);
int lprocfs_quota_wr_least_iunit(struct file *file,
const char *buffer, unsigned long count,
void *data);
int lprocfs_quota_rd_qs_factor(char *page, char **start, loff_t off,
int count, int *eof, void *data);
int lprocfs_quota_wr_qs_factor(struct file *file,
const char *buffer, unsigned long count,
void *data);
#endif /* LPROCFS_SNMP_H */
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