-/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
- * vim:expandtab:shiftwidth=8:tabstop=8:
- *
+/*
* GPL HEADER START
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
* GPL HEADER END
*/
/*
- * Copyright 2008 Sun Microsystems, Inc. All rights reserved
+ * Copyright (c) 2002, 2010, Oracle and/or its affiliates. All rights reserved.
* Use is subject to license terms.
+ *
+ * Copyright (c) 2011, Whamcloud, Inc.
*/
/*
* This file is part of Lustre, http://www.lustre.org/
* Author: Hariharan Thantry <thantry@users.sourceforge.net>
*/
-#ifndef EXPORT_SYMTAB
-# define EXPORT_SYMTAB
-#endif
#define DEBUG_SUBSYSTEM S_CLASS
#ifndef __KERNEL__
#include <lustre_fsfilt.h>
#include <lustre_log.h>
#include <lustre/lustre_idl.h>
+#include <dt_object.h>
#if defined(LPROCFS)
+static int lprocfs_no_percpu_stats = 0;
+CFS_MODULE_PARM(lprocfs_no_percpu_stats, "i", int, 0644,
+ "Do not alloc percpu data for lprocfs stats");
+
#define MAX_STRING_SIZE 128
/* for bug 10866, global variable */
-DECLARE_RWSEM(_lprocfs_lock);
+CFS_DECLARE_RWSEM(_lprocfs_lock);
EXPORT_SYMBOL(_lprocfs_lock);
+int lprocfs_single_release(struct inode *inode, struct file *file)
+{
+ LPROCFS_EXIT();
+ return single_release(inode, file);
+}
+EXPORT_SYMBOL(lprocfs_single_release);
+
int lprocfs_seq_release(struct inode *inode, struct file *file)
{
LPROCFS_EXIT();
}
EXPORT_SYMBOL(lprocfs_seq_release);
-struct proc_dir_entry *lprocfs_srch(struct proc_dir_entry *head,
- const char *name)
+static struct proc_dir_entry *__lprocfs_srch(struct proc_dir_entry *head,
+ const char *name)
{
struct proc_dir_entry *temp;
if (head == NULL)
return NULL;
- LPROCFS_ENTRY();
temp = head->subdir;
while (temp != NULL) {
if (strcmp(temp->name, name) == 0) {
- LPROCFS_EXIT();
return temp;
}
temp = temp->next;
}
- LPROCFS_EXIT();
return NULL;
}
+struct proc_dir_entry *lprocfs_srch(struct proc_dir_entry *head,
+ const char *name)
+{
+ struct proc_dir_entry *temp;
+
+ LPROCFS_SRCH_ENTRY();
+ temp = __lprocfs_srch(head, name);
+ LPROCFS_SRCH_EXIT();
+ return temp;
+}
+EXPORT_SYMBOL(lprocfs_srch);
+
/* lprocfs API calls */
/* Function that emulates snprintf but also has the side effect of advancing
mode |= 0200;
if (fops)
mode = 0644;
+ LPROCFS_WRITE_ENTRY();
proc = create_proc_entry(name, mode, root);
if (!proc) {
CERROR("LprocFS: No memory to create /proc entry %s", name);
+ LPROCFS_WRITE_EXIT();
return ERR_PTR(-ENOMEM);
}
proc->read_proc = read_proc;
proc->data = data;
if (fops)
proc->proc_fops = fops;
+ LPROCFS_WRITE_EXIT();
return proc;
}
+EXPORT_SYMBOL(lprocfs_add_simple);
struct proc_dir_entry *lprocfs_add_symlink(const char *name,
- struct proc_dir_entry *parent, const char *dest)
+ struct proc_dir_entry *parent, const char *format, ...)
{
struct proc_dir_entry *entry;
+ char *dest;
+ va_list ap;
+
+ if (parent == NULL || format == NULL)
+ return NULL;
- if (parent == NULL || dest == NULL)
+ OBD_ALLOC_WAIT(dest, MAX_STRING_SIZE + 1);
+ if (dest == NULL)
return NULL;
+ va_start(ap, format);
+ vsnprintf(dest, MAX_STRING_SIZE, format, ap);
+ va_end(ap);
+
entry = proc_symlink(name, parent, dest);
if (entry == NULL)
CERROR("LprocFS: Could not create symbolic link from %s to %s",
name, dest);
+
+ OBD_FREE(dest, MAX_STRING_SIZE + 1);
return entry;
}
+EXPORT_SYMBOL(lprocfs_add_symlink);
static ssize_t lprocfs_fops_read(struct file *f, char __user *buf,
size_t size, loff_t *ppos)
if (page == NULL)
return -ENOMEM;
- if (LPROCFS_ENTRY_AND_CHECK(dp))
- return -ENOENT;
+ if (LPROCFS_ENTRY_AND_CHECK(dp)) {
+ rc = -ENOENT;
+ goto out;
+ }
OBD_FAIL_TIMEOUT(OBD_FAIL_LPROC_REMOVE, 10);
if (dp->read_proc)
}
count = (rc < size) ? rc : size;
- if (copy_to_user(buf, start, count)) {
+ if (cfs_copy_to_user(buf, start, count)) {
rc = -EFAULT;
goto out;
}
struct proc_dir_entry *dp = PDE(f->f_dentry->d_inode);
struct obd_device *obd = dp->data;
- atomic_inc(&obd->obd_evict_inprogress);
+ cfs_atomic_inc(&obd->obd_evict_inprogress);
return 0;
}
struct proc_dir_entry *dp = PDE(f->f_dentry->d_inode);
struct obd_device *obd = dp->data;
- atomic_dec(&obd->obd_evict_inprogress);
- wake_up(&obd->obd_evict_inprogress_waitq);
+ cfs_atomic_dec(&obd->obd_evict_inprogress);
+ cfs_waitq_signal(&obd->obd_evict_inprogress_waitq);
return 0;
}
int lprocfs_add_vars(struct proc_dir_entry *root, struct lprocfs_vars *list,
void *data)
{
+ int rc = 0;
+
if (root == NULL || list == NULL)
return -EINVAL;
+ LPROCFS_WRITE_ENTRY();
while (list->name != NULL) {
struct proc_dir_entry *cur_root, *proc;
char *pathcopy, *cur, *next, pathbuf[64];
if (strlen(list->name) > sizeof(pathbuf) - 1) {
OBD_ALLOC(pathcopy, pathsize);
if (pathcopy == NULL)
- return -ENOMEM;
+ GOTO(out, rc = -ENOMEM);
} else {
pathcopy = pathbuf;
}
if (*cur =='\0') /* skip double/trailing "/" */
continue;
- proc = lprocfs_srch(cur_root, cur);
+ proc = __lprocfs_srch(cur_root, cur);
CDEBUG(D_OTHER, "cur_root=%s, cur=%s, next=%s, (%s)\n",
cur_root->name, cur, next,
(proc ? "exists" : "new"));
if (cur_root == NULL || proc == NULL) {
CERROR("LprocFS: No memory to create /proc entry %s",
list->name);
- return -ENOMEM;
+ GOTO(out, rc = -ENOMEM);
}
if (list->fops)
proc->data = (list->data ? list->data : data);
list++;
}
- return 0;
+out:
+ LPROCFS_WRITE_EXIT();
+ return rc;
}
+EXPORT_SYMBOL(lprocfs_add_vars);
-void lprocfs_remove(struct proc_dir_entry **rooth)
+void lprocfs_remove_nolock(struct proc_dir_entry **rooth)
{
struct proc_dir_entry *root = *rooth;
struct proc_dir_entry *temp = root;
parent = root->parent;
LASSERT(parent != NULL);
- LPROCFS_WRITE_ENTRY(); /* search vs remove race */
while (1) {
while (temp->subdir != NULL)
"0x%p %s/%s len %d\n", rm_entry, temp->name,
rm_entry->name, (int)strlen(rm_entry->name));
+#ifdef HAVE_PROCFS_USERS
+ /* if procfs uses user count to synchronize deletion of
+ * proc entry, there is no protection for rm_entry->data,
+ * then lprocfs_fops_read and lprocfs_fops_write maybe
+ * call proc_dir_entry->read_proc (or write_proc) with
+ * proc_dir_entry->data == NULL, then cause kernel Oops.
+ * see bug19706 for detailed information */
+
+ /* procfs won't free rm_entry->data if it isn't a LINK,
+ * and Lustre won't use rm_entry->data if it is a LINK */
+ if (S_ISLNK(rm_entry->mode))
+ rm_entry->data = NULL;
+#else
/* Now, the rm_entry->deleted flags is protected
* by _lprocfs_lock. */
rm_entry->data = NULL;
+#endif
remove_proc_entry(rm_entry->name, temp);
if (temp == parent)
break;
}
- LPROCFS_WRITE_EXIT();
}
+void lprocfs_remove(struct proc_dir_entry **rooth)
+{
+ LPROCFS_WRITE_ENTRY(); /* search vs remove race */
+ lprocfs_remove_nolock(rooth);
+ LPROCFS_WRITE_EXIT();
+}
+EXPORT_SYMBOL(lprocfs_remove);
+
void lprocfs_remove_proc_entry(const char *name, struct proc_dir_entry *parent)
{
LASSERT(parent != NULL);
remove_proc_entry(name, parent);
}
+EXPORT_SYMBOL(lprocfs_remove_proc_entry);
+
+void lprocfs_try_remove_proc_entry(const char *name,
+ struct proc_dir_entry *parent)
+{
+ struct proc_dir_entry *t = NULL;
+ struct proc_dir_entry **p;
+ int len, busy = 0;
+
+ LASSERT(parent != NULL);
+ len = strlen(name);
+
+ LPROCFS_WRITE_ENTRY();
+
+ /* lookup target name */
+ for (p = &parent->subdir; *p; p = &(*p)->next) {
+ if ((*p)->namelen != len)
+ continue;
+ if (memcmp(name, (*p)->name, len))
+ continue;
+ t = *p;
+ break;
+ }
+
+ if (t) {
+ /* verify it's empty: do not count "num_refs" */
+ for (p = &t->subdir; *p; p = &(*p)->next) {
+ if ((*p)->namelen != strlen("num_refs")) {
+ busy = 1;
+ break;
+ }
+ if (memcmp("num_refs", (*p)->name,
+ strlen("num_refs"))) {
+ busy = 1;
+ break;
+ }
+ }
+ }
+
+ if (busy == 0)
+ lprocfs_remove_nolock(&t);
+
+ LPROCFS_WRITE_EXIT();
+
+ return;
+}
+EXPORT_SYMBOL(lprocfs_try_remove_proc_entry);
struct proc_dir_entry *lprocfs_register(const char *name,
struct proc_dir_entry *parent,
}
return newchild;
}
+EXPORT_SYMBOL(lprocfs_register);
/* Generic callbacks */
int lprocfs_rd_uint(char *page, char **start, off_t off,
unsigned int *temp = data;
return snprintf(page, count, "%u\n", *temp);
}
+EXPORT_SYMBOL(lprocfs_rd_uint);
int lprocfs_wr_uint(struct file *file, const char *buffer,
unsigned long count, void *data)
unsigned long tmp;
dummy[MAX_STRING_SIZE] = '\0';
- if (copy_from_user(dummy, buffer, MAX_STRING_SIZE))
+ if (cfs_copy_from_user(dummy, buffer, MAX_STRING_SIZE))
return -EFAULT;
tmp = simple_strtoul(dummy, &end, 0);
*p = (unsigned int)tmp;
return count;
}
+EXPORT_SYMBOL(lprocfs_wr_uint);
int lprocfs_rd_u64(char *page, char **start, off_t off,
int count, int *eof, void *data)
*eof = 1;
return snprintf(page, count, LPU64"\n", *(__u64 *)data);
}
+EXPORT_SYMBOL(lprocfs_rd_u64);
int lprocfs_rd_atomic(char *page, char **start, off_t off,
int count, int *eof, void *data)
{
- atomic_t *atom = data;
+ cfs_atomic_t *atom = data;
LASSERT(atom != NULL);
*eof = 1;
- return snprintf(page, count, "%d\n", atomic_read(atom));
+ return snprintf(page, count, "%d\n", cfs_atomic_read(atom));
}
+EXPORT_SYMBOL(lprocfs_rd_atomic);
int lprocfs_wr_atomic(struct file *file, const char *buffer,
unsigned long count, void *data)
{
- atomic_t *atm = data;
+ cfs_atomic_t *atm = data;
int val = 0;
int rc;
if (val <= 0)
return -ERANGE;
- atomic_set(atm, val);
+ cfs_atomic_set(atm, val);
return count;
}
+EXPORT_SYMBOL(lprocfs_wr_atomic);
int lprocfs_rd_uuid(char *page, char **start, off_t off, int count,
int *eof, void *data)
*eof = 1;
return snprintf(page, count, "%s\n", obd->obd_uuid.uuid);
}
+EXPORT_SYMBOL(lprocfs_rd_uuid);
int lprocfs_rd_name(char *page, char **start, off_t off, int count,
int *eof, void *data)
*eof = 1;
return snprintf(page, count, "%s\n", dev->obd_name);
}
+EXPORT_SYMBOL(lprocfs_rd_name);
int lprocfs_rd_fstype(char *page, char **start, off_t off, int count, int *eof,
void *data)
LASSERT(obd->obd_fsops->fs_type != NULL);
return snprintf(page, count, "%s\n", obd->obd_fsops->fs_type);
}
+EXPORT_SYMBOL(lprocfs_rd_fstype);
int lprocfs_rd_blksize(char *page, char **start, off_t off, int count,
int *eof, void *data)
{
- struct obd_statfs osfs;
- int rc = obd_statfs(data, &osfs, cfs_time_current_64() - HZ,
+ struct obd_device *obd = data;
+ struct obd_statfs osfs;
+ int rc = obd_statfs(NULL, obd->obd_self_export, &osfs,
+ cfs_time_shift_64(-OBD_STATFS_CACHE_SECONDS),
OBD_STATFS_NODELAY);
if (!rc) {
*eof = 1;
}
return rc;
}
+EXPORT_SYMBOL(lprocfs_rd_blksize);
+
+int lprocfs_osd_rd_blksize(char *page, char **start, off_t off,
+ int count, int *eof, void *data)
+{
+ struct dt_device *dt = data;
+ struct obd_statfs osfs;
+ int rc = dt_statfs(NULL, dt, &osfs);
+ if (!rc) {
+ *eof = 1;
+ rc = snprintf(page, count, "%d\n",
+ (unsigned) osfs.os_bsize);
+ }
+ return rc;
+}
+EXPORT_SYMBOL(lprocfs_osd_rd_blksize);
int lprocfs_rd_kbytestotal(char *page, char **start, off_t off, int count,
int *eof, void *data)
{
- struct obd_statfs osfs;
- int rc = obd_statfs(data, &osfs, cfs_time_current_64() - HZ,
+ struct obd_device *obd = data;
+ struct obd_statfs osfs;
+ int rc = obd_statfs(NULL, obd->obd_self_export, &osfs,
+ cfs_time_shift_64(-OBD_STATFS_CACHE_SECONDS),
OBD_STATFS_NODELAY);
if (!rc) {
__u32 blk_size = osfs.os_bsize >> 10;
}
return rc;
}
+EXPORT_SYMBOL(lprocfs_rd_kbytestotal);
+
+int lprocfs_osd_rd_kbytestotal(char *page, char **start, off_t off,
+ int count, int *eof, void *data)
+{
+ struct dt_device *dt = data;
+ struct obd_statfs osfs;
+ int rc = dt_statfs(NULL, dt, &osfs);
+ if (!rc) {
+ __u32 blk_size = osfs.os_bsize >> 10;
+ __u64 result = osfs.os_blocks;
+
+ while (blk_size >>= 1)
+ result <<= 1;
+
+ *eof = 1;
+ rc = snprintf(page, count, LPU64"\n", result);
+ }
+ return rc;
+}
+EXPORT_SYMBOL(lprocfs_osd_rd_kbytestotal);
int lprocfs_rd_kbytesfree(char *page, char **start, off_t off, int count,
int *eof, void *data)
{
- struct obd_statfs osfs;
- int rc = obd_statfs(data, &osfs, cfs_time_current_64() - HZ,
+ struct obd_device *obd = data;
+ struct obd_statfs osfs;
+ int rc = obd_statfs(NULL, obd->obd_self_export, &osfs,
+ cfs_time_shift_64(-OBD_STATFS_CACHE_SECONDS),
OBD_STATFS_NODELAY);
if (!rc) {
__u32 blk_size = osfs.os_bsize >> 10;
}
return rc;
}
+EXPORT_SYMBOL(lprocfs_rd_kbytesfree);
+
+int lprocfs_osd_rd_kbytesfree(char *page, char **start, off_t off,
+ int count, int *eof, void *data)
+{
+ struct dt_device *dt = data;
+ struct obd_statfs osfs;
+ int rc = dt_statfs(NULL, dt, &osfs);
+ if (!rc) {
+ __u32 blk_size = osfs.os_bsize >> 10;
+ __u64 result = osfs.os_bfree;
+
+ while (blk_size >>= 1)
+ result <<= 1;
+
+ *eof = 1;
+ rc = snprintf(page, count, LPU64"\n", result);
+ }
+ return rc;
+}
+EXPORT_SYMBOL(lprocfs_osd_rd_kbytesfree);
int lprocfs_rd_kbytesavail(char *page, char **start, off_t off, int count,
int *eof, void *data)
{
- struct obd_statfs osfs;
- int rc = obd_statfs(data, &osfs, cfs_time_current_64() - HZ,
+ struct obd_device *obd = data;
+ struct obd_statfs osfs;
+ int rc = obd_statfs(NULL, obd->obd_self_export, &osfs,
+ cfs_time_shift_64(-OBD_STATFS_CACHE_SECONDS),
OBD_STATFS_NODELAY);
if (!rc) {
__u32 blk_size = osfs.os_bsize >> 10;
}
return rc;
}
+EXPORT_SYMBOL(lprocfs_rd_kbytesavail);
+
+int lprocfs_osd_rd_kbytesavail(char *page, char **start, off_t off,
+ int count, int *eof, void *data)
+{
+ struct dt_device *dt = data;
+ struct obd_statfs osfs;
+ int rc = dt_statfs(NULL, dt, &osfs);
+ if (!rc) {
+ __u32 blk_size = osfs.os_bsize >> 10;
+ __u64 result = osfs.os_bavail;
+
+ while (blk_size >>= 1)
+ result <<= 1;
+
+ *eof = 1;
+ rc = snprintf(page, count, LPU64"\n", result);
+ }
+ return rc;
+}
+EXPORT_SYMBOL(lprocfs_osd_rd_kbytesavail);
int lprocfs_rd_filestotal(char *page, char **start, off_t off, int count,
int *eof, void *data)
{
- struct obd_statfs osfs;
- int rc = obd_statfs(data, &osfs, cfs_time_current_64() - HZ,
+ struct obd_device *obd = data;
+ struct obd_statfs osfs;
+ int rc = obd_statfs(NULL, obd->obd_self_export, &osfs,
+ cfs_time_shift_64(-OBD_STATFS_CACHE_SECONDS),
OBD_STATFS_NODELAY);
if (!rc) {
*eof = 1;
return rc;
}
+EXPORT_SYMBOL(lprocfs_rd_filestotal);
+
+int lprocfs_osd_rd_filestotal(char *page, char **start, off_t off,
+ int count, int *eof, void *data)
+{
+ struct dt_device *dt = data;
+ struct obd_statfs osfs;
+ int rc = dt_statfs(NULL, dt, &osfs);
+ if (!rc) {
+ *eof = 1;
+ rc = snprintf(page, count, LPU64"\n", osfs.os_files);
+ }
+
+ return rc;
+}
+EXPORT_SYMBOL(lprocfs_osd_rd_filestotal);
int lprocfs_rd_filesfree(char *page, char **start, off_t off, int count,
int *eof, void *data)
{
- struct obd_statfs osfs;
- int rc = obd_statfs(data, &osfs, cfs_time_current_64() - HZ,
+ struct obd_device *obd = data;
+ struct obd_statfs osfs;
+ int rc = obd_statfs(NULL, obd->obd_self_export, &osfs,
+ cfs_time_shift_64(-OBD_STATFS_CACHE_SECONDS),
OBD_STATFS_NODELAY);
if (!rc) {
*eof = 1;
}
return rc;
}
+EXPORT_SYMBOL(lprocfs_rd_filesfree);
+
+int lprocfs_osd_rd_filesfree(char *page, char **start, off_t off,
+ int count, int *eof, void *data)
+{
+ struct dt_device *dt = data;
+ struct obd_statfs osfs;
+ int rc = dt_statfs(NULL, dt, &osfs);
+ if (!rc) {
+ *eof = 1;
+ rc = snprintf(page, count, LPU64"\n", osfs.os_ffree);
+ }
+ return rc;
+}
+EXPORT_SYMBOL(lprocfs_osd_rd_filesfree);
int lprocfs_rd_server_uuid(char *page, char **start, off_t off, int count,
int *eof, void *data)
LPROCFS_CLIMP_EXIT(obd);
return rc;
}
+EXPORT_SYMBOL(lprocfs_rd_server_uuid);
int lprocfs_rd_conn_uuid(char *page, char **start, off_t off, int count,
int *eof, void *data)
LPROCFS_CLIMP_CHECK(obd);
conn = obd->u.cli.cl_import->imp_connection;
- LASSERT(conn != NULL);
*eof = 1;
- if (obd->u.cli.cl_import) {
+ if (conn && obd->u.cli.cl_import) {
rc = snprintf(page, count, "%s\n",
conn->c_remote_uuid.uuid);
} else {
LPROCFS_CLIMP_EXIT(obd);
return rc;
}
+EXPORT_SYMBOL(lprocfs_rd_conn_uuid);
/** add up per-cpu counters */
void lprocfs_stats_collect(struct lprocfs_stats *stats, int idx,
struct lprocfs_counter *cnt)
{
- unsigned int num_cpu;
- struct lprocfs_counter t;
- struct lprocfs_counter *percpu_cntr;
- int centry, i;
+ unsigned int num_entry;
+ struct lprocfs_counter t;
+ struct lprocfs_counter *percpu_cntr;
+ int centry;
+ int i;
+ unsigned long flags = 0;
memset(cnt, 0, sizeof(*cnt));
cnt->lc_min = LC_MIN_INIT;
- if (stats->ls_flags & LPROCFS_STATS_FLAG_NOPERCPU)
- num_cpu = 1;
- else
- num_cpu = num_possible_cpus();
+ num_entry = lprocfs_stats_lock(stats, LPROCFS_GET_NUM_CPU, &flags);
- for (i = 0; i < num_cpu; i++) {
- percpu_cntr = &(stats->ls_percpu[i])->lp_cntr[idx];
+ for (i = 0; i < num_entry; i++) {
+ if (stats->ls_percpu[i] == NULL)
+ continue;
+ percpu_cntr = &(stats->ls_percpu[i])->lp_cntr[idx];
do {
- centry = atomic_read(&percpu_cntr->lc_cntl.la_entry);
+ centry = cfs_atomic_read(&percpu_cntr-> \
+ lc_cntl.la_entry);
t.lc_count = percpu_cntr->lc_count;
t.lc_sum = percpu_cntr->lc_sum;
t.lc_min = percpu_cntr->lc_min;
t.lc_max = percpu_cntr->lc_max;
t.lc_sumsquare = percpu_cntr->lc_sumsquare;
- } while (centry != atomic_read(&percpu_cntr->lc_cntl.la_entry) &&
- centry != atomic_read(&percpu_cntr->lc_cntl.la_exit));
+ } while (centry != cfs_atomic_read(&percpu_cntr->lc_cntl. \
+ la_entry) &&
+ centry != cfs_atomic_read(&percpu_cntr->lc_cntl. \
+ la_exit));
cnt->lc_count += t.lc_count;
cnt->lc_sum += t.lc_sum;
if (t.lc_min < cnt->lc_min)
cnt->lc_sumsquare += t.lc_sumsquare;
}
- cnt->lc_units = stats->ls_percpu[0]->lp_cntr[idx].lc_units;
+ cnt->lc_units = stats->ls_percpu[0]->lp_cntr[idx].lc_units;
+ lprocfs_stats_unlock(stats, LPROCFS_GET_NUM_CPU, &flags);
}
+EXPORT_SYMBOL(lprocfs_stats_collect);
/**
* Append a space separated list of current set flags to str.
flag2str(deactive);
flag2str(replayable);
flag2str(pingable);
- flag2str(recon_bk);
- flag2str(last_recon);
return len;
}
#undef flags2str
"truncate_lock",
"initial_transno",
"inode_bit_locks",
- "join_file",
+ "join_file(obsolete)",
"getattr_by_fid",
"no_oh_for_devices",
- "local_client",
"remote_client",
+ "remote_client_by_force",
"max_byte_per_rpc",
"64bit_qdata",
"mds_capability",
"pools",
"grant_shrink",
"skip_orphan",
+ "large_ea",
+ "full20",
+ "layout_lock",
+ "64bithash",
+ "object_max_bytes",
+ "imp_recov",
+ "jobstats",
+ "umask",
+ "einprogress",
+ "grant_param",
+ "flock_owner",
+ "lvb_type",
+ "nanoseconds_times",
+ "lightweight_conn",
+ "short_io",
+ "unknown",
NULL
};
-static int obd_connect_flags2str(char *page, int count, __u64 flags, char *sep)
+int obd_connect_flags2str(char *page, int count, __u64 flags, char *sep)
{
__u64 mask = 1;
int i, ret = 0;
ret ? sep : "", flags & ~(mask - 1));
return ret;
}
+EXPORT_SYMBOL(obd_connect_flags2str);
int lprocfs_rd_import(char *page, char **start, off_t off, int count,
int *eof, void *data)
struct lprocfs_counter ret;
struct obd_device *obd = (struct obd_device *)data;
struct obd_import *imp;
+ struct obd_import_conn *conn;
int i, j, k, rw = 0;
LASSERT(obd != NULL);
"import:\n"
" name: %s\n"
" target: %s\n"
- " current_connection: %s\n"
" state: %s\n"
+ " instance: %u\n"
" connect_flags: [",
obd->obd_name,
obd2cli_tgt(obd),
- imp->imp_connection->c_remote_uuid.uuid,
- ptlrpc_import_state_name(imp->imp_state));
+ ptlrpc_import_state_name(imp->imp_state),
+ imp->imp_connect_data.ocd_instance);
i += obd_connect_flags2str(page + i, count - i,
imp->imp_connect_data.ocd_connect_flags,
", ");
i += snprintf(page + i, count - i,
"]\n"
" connection:\n"
- " connection_attempts: %u\n"
- " generation: %u\n"
- " in-progress_invalidations: %u\n",
- imp->imp_conn_cnt,
- imp->imp_generation,
- atomic_read(&imp->imp_inval_count));
+ " failover_nids: [");
+ cfs_spin_lock(&imp->imp_lock);
+ j = 0;
+ cfs_list_for_each_entry(conn, &imp->imp_conn_list, oic_item) {
+ i += snprintf(page + i, count - i, "%s%s", j ? ", " : "",
+ libcfs_nid2str(conn->oic_conn->c_peer.nid));
+ j++;
+ }
+ i += snprintf(page + i, count - i,
+ "]\n"
+ " current_connection: %s\n"
+ " connection_attempts: %u\n"
+ " generation: %u\n"
+ " in-progress_invalidations: %u\n",
+ imp->imp_connection == NULL ? "<none>" :
+ libcfs_nid2str(imp->imp_connection->c_peer.nid),
+ imp->imp_conn_cnt,
+ imp->imp_generation,
+ cfs_atomic_read(&imp->imp_inval_count));
+ cfs_spin_unlock(&imp->imp_lock);
lprocfs_stats_collect(obd->obd_svc_stats, PTLRPC_REQWAIT_CNTR, &ret);
- do_div(ret.lc_sum, ret.lc_count);
+ if (ret.lc_count != 0) {
+ /* first argument to do_div MUST be __u64 */
+ __u64 sum = ret.lc_sum;
+ do_div(sum, ret.lc_count);
+ ret.lc_sum = sum;
+ } else
+ ret.lc_sum = 0;
i += snprintf(page + i, count - i,
" rpcs:\n"
" inflight: %u\n"
" unregistering: %u\n"
" timeouts: %u\n"
" avg_waittime: "LPU64" %s\n",
- atomic_read(&imp->imp_inflight),
- atomic_read(&imp->imp_unregistering),
- atomic_read(&imp->imp_timeouts),
+ cfs_atomic_read(&imp->imp_inflight),
+ cfs_atomic_read(&imp->imp_unregistering),
+ cfs_atomic_read(&imp->imp_timeouts),
ret.lc_sum, ret.lc_units);
k = 0;
lprocfs_stats_collect(obd->obd_svc_stats,
PTLRPC_LAST_CNTR + BRW_READ_BYTES + rw,
&ret);
- if (ret.lc_sum > 0) {
- do_div(ret.lc_sum, ret.lc_count);
+ if (ret.lc_sum > 0 && ret.lc_count > 0) {
+ /* first argument to do_div MUST be __u64 */
+ __u64 sum = ret.lc_sum;
+ do_div(sum, ret.lc_count);
+ ret.lc_sum = sum;
i += snprintf(page + i, count - i,
" %s_data_averages:\n"
" bytes_per_rpc: "LPU64"\n",
k = (int)ret.lc_sum;
j = opcode_offset(OST_READ + rw) + EXTRA_MAX_OPCODES;
lprocfs_stats_collect(obd->obd_svc_stats, j, &ret);
- if (ret.lc_sum > 0) {
- do_div(ret.lc_sum, ret.lc_count);
+ if (ret.lc_sum > 0 && ret.lc_count != 0) {
+ /* first argument to do_div MUST be __u64 */
+ __u64 sum = ret.lc_sum;
+ do_div(sum, ret.lc_count);
+ ret.lc_sum = sum;
i += snprintf(page + i, count - i,
" %s_per_rpc: "LPU64"\n",
ret.lc_units, ret.lc_sum);
LPROCFS_CLIMP_EXIT(obd);
return i;
}
+EXPORT_SYMBOL(lprocfs_rd_import);
int lprocfs_rd_state(char *page, char **start, off_t off, int count,
int *eof, void *data)
LPROCFS_CLIMP_EXIT(obd);
return i;
}
+EXPORT_SYMBOL(lprocfs_rd_state);
int lprocfs_at_hist_helper(char *page, int count, int rc,
struct adaptive_timeout *at)
rc += snprintf(page + rc, count - rc, "\n");
return rc;
}
-
-int lprocfs_rd_quota_resend_count(char *page, char **start, off_t off,
- int count, int *eof, void *data)
-{
- struct obd_device *obd = data;
-
- return snprintf(page, count, "%d\n",
- atomic_read(&obd->u.cli.cl_quota_resends));
-}
-
-int lprocfs_wr_quota_resend_count(struct file *file, const char *buffer,
- unsigned long count, void *data)
-{
- struct obd_device *obd = data;
- int val, rc;
-
- rc = lprocfs_write_helper(buffer, count, &val);
- if (rc)
- return rc;
-
- atomic_set(&obd->u.cli.cl_quota_resends, val);
-
- return count;
-}
+EXPORT_SYMBOL(lprocfs_at_hist_helper);
/* See also ptlrpc_lprocfs_rd_timeouts */
int lprocfs_rd_timeouts(char *page, char **start, off_t off, int count,
LPROCFS_CLIMP_EXIT(obd);
return rc;
}
+EXPORT_SYMBOL(lprocfs_rd_timeouts);
int lprocfs_rd_connect_flags(char *page, char **start, off_t off,
int count, int *eof, void *data)
*eof = 1;
return snprintf(page, count, "%u\n", obd->obd_num_exports);
}
+EXPORT_SYMBOL(lprocfs_rd_num_exports);
int lprocfs_rd_numrefs(char *page, char **start, off_t off, int count,
int *eof, void *data)
*eof = 1;
return snprintf(page, count, "%d\n", class->typ_refcnt);
}
+EXPORT_SYMBOL(lprocfs_rd_numrefs);
int lprocfs_obd_setup(struct obd_device *obd, struct lprocfs_vars *list)
{
}
return rc;
}
+EXPORT_SYMBOL(lprocfs_obd_setup);
int lprocfs_obd_cleanup(struct obd_device *obd)
{
}
return 0;
}
+EXPORT_SYMBOL(lprocfs_obd_cleanup);
static void lprocfs_free_client_stats(struct nid_stat *client_stat)
{
client_stat->nid_proc, client_stat->nid_stats,
client_stat->nid_brw_stats);
- LASSERTF(atomic_read(&client_stat->nid_exp_ref_count) == 0,
- "count %d\n", atomic_read(&client_stat->nid_exp_ref_count));
-
- hlist_del_init(&client_stat->nid_hash);
+ LASSERTF(cfs_atomic_read(&client_stat->nid_exp_ref_count) == 0,
+ "nid %s:count %d\n", libcfs_nid2str(client_stat->nid),
+ atomic_read(&client_stat->nid_exp_ref_count));
if (client_stat->nid_proc)
lprocfs_remove(&client_stat->nid_proc);
void lprocfs_free_per_client_stats(struct obd_device *obd)
{
+ cfs_hash_t *hash = obd->obd_nid_stats_hash;
struct nid_stat *stat;
ENTRY;
/* we need extra list - because hash_exit called to early */
/* not need locking because all clients is died */
- while(!list_empty(&obd->obd_nid_stats)) {
- stat = list_entry(obd->obd_nid_stats.next,
- struct nid_stat, nid_list);
- list_del_init(&stat->nid_list);
+ while (!cfs_list_empty(&obd->obd_nid_stats)) {
+ stat = cfs_list_entry(obd->obd_nid_stats.next,
+ struct nid_stat, nid_list);
+ cfs_list_del_init(&stat->nid_list);
+ cfs_hash_del(hash, &stat->nid, &stat->nid_hash);
lprocfs_free_client_stats(stat);
}
-
EXIT;
}
+EXPORT_SYMBOL(lprocfs_free_per_client_stats);
struct lprocfs_stats *lprocfs_alloc_stats(unsigned int num,
enum lprocfs_stats_flags flags)
{
- struct lprocfs_stats *stats;
- unsigned int percpusize;
- unsigned int i, j;
- unsigned int num_cpu;
+ struct lprocfs_stats *stats;
+ unsigned int percpusize;
+ unsigned int num_entry;
if (num == 0)
return NULL;
- if (flags & LPROCFS_STATS_FLAG_NOPERCPU)
- num_cpu = 1;
- else
- num_cpu = num_possible_cpus();
-
- OBD_ALLOC(stats, offsetof(typeof(*stats), ls_percpu[num_cpu]));
- if (stats == NULL)
- return NULL;
-
- if (flags & LPROCFS_STATS_FLAG_NOPERCPU) {
- stats->ls_flags = flags;
- spin_lock_init(&stats->ls_lock);
- /* Use this lock only if there are no percpu areas */
- } else {
- stats->ls_flags = 0;
- }
-
- percpusize = offsetof(struct lprocfs_percpu, lp_cntr[num]);
- if (num_cpu > 1)
- percpusize = L1_CACHE_ALIGN(percpusize);
-
- for (i = 0; i < num_cpu; i++) {
- OBD_ALLOC(stats->ls_percpu[i], percpusize);
- if (stats->ls_percpu[i] == NULL) {
- for (j = 0; j < i; j++) {
- OBD_FREE(stats->ls_percpu[j], percpusize);
- stats->ls_percpu[j] = NULL;
- }
- break;
- }
- }
- if (stats->ls_percpu[0] == NULL) {
- OBD_FREE(stats, offsetof(typeof(*stats),
- ls_percpu[num_cpu]));
- return NULL;
- }
-
- stats->ls_num = num;
- return stats;
+ if (lprocfs_no_percpu_stats != 0)
+ flags |= LPROCFS_STATS_FLAG_NOPERCPU;
+
+ if (flags & LPROCFS_STATS_FLAG_NOPERCPU)
+ num_entry = 1;
+ else
+ num_entry = cfs_num_possible_cpus() + 1;
+
+ /* alloc percpu pointers for all possible cpu slots */
+ OBD_ALLOC(stats, offsetof(struct lprocfs_stats, ls_percpu[num_entry]));
+ if (stats == NULL)
+ return NULL;
+
+ stats->ls_num = num;
+ stats->ls_biggest_alloc_num = 1;
+ stats->ls_flags = flags;
+ cfs_spin_lock_init(&stats->ls_lock);
+
+ percpusize = offsetof(struct lprocfs_percpu, lp_cntr[num]);
+ if (num_entry > 1)
+ percpusize = CFS_L1_CACHE_ALIGN(percpusize);
+
+ /* for no percpu area, the 0th entry is for real use,
+ * for percpu area, the 0th entry is for intialized entry template */
+ OBD_ALLOC(stats->ls_percpu[0], percpusize);
+ if (stats->ls_percpu[0] == NULL) {
+ OBD_FREE(stats,
+ offsetof(struct lprocfs_stats, ls_percpu[num_entry]));
+ stats = NULL;
+ }
+ return stats;
}
+EXPORT_SYMBOL(lprocfs_alloc_stats);
void lprocfs_free_stats(struct lprocfs_stats **statsh)
{
- struct lprocfs_stats *stats = *statsh;
- unsigned int num_cpu;
- unsigned int percpusize;
- unsigned int i;
+ struct lprocfs_stats *stats = *statsh;
+ unsigned int num_entry;
+ unsigned int percpusize;
+ unsigned int i;
if (stats == NULL || stats->ls_num == 0)
return;
*statsh = NULL;
- if (stats->ls_flags & LPROCFS_STATS_FLAG_NOPERCPU)
- num_cpu = 1;
- else
- num_cpu = num_possible_cpus();
+ if (stats->ls_flags & LPROCFS_STATS_FLAG_NOPERCPU)
+ num_entry = 1;
+ else
+ num_entry = cfs_num_possible_cpus() + 1;
- percpusize = offsetof(struct lprocfs_percpu, lp_cntr[stats->ls_num]);
- if (num_cpu > 1)
- percpusize = L1_CACHE_ALIGN(percpusize);
- for (i = 0; i < num_cpu; i++)
- OBD_FREE(stats->ls_percpu[i], percpusize);
- OBD_FREE(stats, offsetof(typeof(*stats), ls_percpu[num_cpu]));
+ percpusize = offsetof(struct lprocfs_percpu, lp_cntr[stats->ls_num]);
+ if (num_entry > 1)
+ percpusize = CFS_L1_CACHE_ALIGN(percpusize);
+ for (i = 0; i < num_entry; i++)
+ if (stats->ls_percpu[i] != NULL)
+ OBD_FREE(stats->ls_percpu[i], percpusize);
+ OBD_FREE(stats, offsetof(typeof(*stats), ls_percpu[num_entry]));
}
+EXPORT_SYMBOL(lprocfs_free_stats);
void lprocfs_clear_stats(struct lprocfs_stats *stats)
{
- struct lprocfs_counter *percpu_cntr;
- int i,j;
- unsigned int num_cpu;
-
- num_cpu = lprocfs_stats_lock(stats, LPROCFS_GET_NUM_CPU);
-
- for (i = 0; i < num_cpu; i++) {
- for (j = 0; j < stats->ls_num; j++) {
- percpu_cntr = &(stats->ls_percpu[i])->lp_cntr[j];
- atomic_inc(&percpu_cntr->lc_cntl.la_entry);
- percpu_cntr->lc_count = 0;
- percpu_cntr->lc_sum = 0;
- percpu_cntr->lc_min = LC_MIN_INIT;
- percpu_cntr->lc_max = 0;
- percpu_cntr->lc_sumsquare = 0;
- atomic_inc(&percpu_cntr->lc_cntl.la_exit);
- }
- }
-
- lprocfs_stats_unlock(stats);
+ struct lprocfs_counter *percpu_cntr;
+ int i;
+ int j;
+ unsigned int num_entry;
+ unsigned long flags = 0;
+
+ num_entry = lprocfs_stats_lock(stats, LPROCFS_GET_NUM_CPU, &flags);
+
+ for (i = 0; i < num_entry; i++) {
+ if (stats->ls_percpu[i] == NULL)
+ continue;
+ for (j = 0; j < stats->ls_num; j++) {
+ percpu_cntr = &(stats->ls_percpu[i])->lp_cntr[j];
+ cfs_atomic_inc(&percpu_cntr->lc_cntl.la_entry);
+ percpu_cntr->lc_count = 0;
+ percpu_cntr->lc_sum = 0;
+ percpu_cntr->lc_min = LC_MIN_INIT;
+ percpu_cntr->lc_max = 0;
+ percpu_cntr->lc_sumsquare = 0;
+ cfs_atomic_inc(&percpu_cntr->lc_cntl.la_exit);
+ }
+ }
+
+ lprocfs_stats_unlock(stats, LPROCFS_GET_NUM_CPU, &flags);
}
+EXPORT_SYMBOL(lprocfs_clear_stats);
static ssize_t lprocfs_stats_seq_write(struct file *file, const char *buf,
size_t len, loff_t *off)
if (cntr == &(stats->ls_percpu[0])->lp_cntr[0]) {
struct timeval now;
- do_gettimeofday(&now);
+ cfs_gettimeofday(&now);
rc = seq_printf(p, "%-25s %lu.%lu secs.usecs\n",
"snapshot_time", now.tv_sec, now.tv_usec);
if (rc < 0)
struct proc_dir_entry *entry;
LASSERT(root != NULL);
+ LPROCFS_WRITE_ENTRY();
entry = create_proc_entry(name, 0644, root);
+ if (entry) {
+ entry->proc_fops = &lprocfs_stats_seq_fops;
+ entry->data = stats;
+ }
+
+ LPROCFS_WRITE_EXIT();
+
if (entry == NULL)
return -ENOMEM;
- entry->proc_fops = &lprocfs_stats_seq_fops;
- entry->data = stats;
+
return 0;
}
+EXPORT_SYMBOL(lprocfs_register_stats);
void lprocfs_counter_init(struct lprocfs_stats *stats, int index,
- unsigned conf, const char *name, const char *units)
+ unsigned conf, const char *name, const char *units)
{
- struct lprocfs_counter *c;
- int i;
- unsigned int num_cpu;
-
- LASSERT(stats != NULL);
+ struct lprocfs_counter *c = &(stats->ls_percpu[0]->lp_cntr[index]);
+ unsigned long flags = 0;
- num_cpu = lprocfs_stats_lock(stats, LPROCFS_GET_NUM_CPU);
-
- for (i = 0; i < num_cpu; i++) {
- c = &(stats->ls_percpu[i]->lp_cntr[index]);
- c->lc_config = conf;
- c->lc_count = 0;
- c->lc_sum = 0;
- c->lc_min = LC_MIN_INIT;
- c->lc_max = 0;
- c->lc_name = name;
- c->lc_units = units;
- }
+ LASSERT(stats != NULL);
+ LASSERT(stats->ls_percpu[0] != NULL);
- lprocfs_stats_unlock(stats);
+ lprocfs_stats_lock(stats, LPROCFS_GET_NUM_CPU, &flags);
+ c->lc_config = conf;
+ c->lc_count = 0;
+ c->lc_sum = 0;
+ c->lc_min = LC_MIN_INIT;
+ c->lc_max = 0;
+ c->lc_name = name;
+ c->lc_units = units;
+ lprocfs_stats_unlock(stats, LPROCFS_GET_NUM_CPU, &flags);
}
EXPORT_SYMBOL(lprocfs_counter_init);
LPROCFS_OBD_OP_INIT(num_private_stats, stats, statfs_async);
LPROCFS_OBD_OP_INIT(num_private_stats, stats, packmd);
LPROCFS_OBD_OP_INIT(num_private_stats, stats, unpackmd);
- LPROCFS_OBD_OP_INIT(num_private_stats, stats, checkmd);
LPROCFS_OBD_OP_INIT(num_private_stats, stats, preallocate);
LPROCFS_OBD_OP_INIT(num_private_stats, stats, precreate);
LPROCFS_OBD_OP_INIT(num_private_stats, stats, create);
LPROCFS_OBD_OP_INIT(num_private_stats, stats, commitrw);
LPROCFS_OBD_OP_INIT(num_private_stats, stats, enqueue);
LPROCFS_OBD_OP_INIT(num_private_stats, stats, change_cbdata);
+ LPROCFS_OBD_OP_INIT(num_private_stats, stats, find_cbdata);
LPROCFS_OBD_OP_INIT(num_private_stats, stats, cancel);
LPROCFS_OBD_OP_INIT(num_private_stats, stats, cancel_unused);
LPROCFS_OBD_OP_INIT(num_private_stats, stats, init_export);
LPROCFS_OBD_OP_INIT(num_private_stats, stats, get_uuid);
LPROCFS_OBD_OP_INIT(num_private_stats, stats, quotacheck);
LPROCFS_OBD_OP_INIT(num_private_stats, stats, quotactl);
- LPROCFS_OBD_OP_INIT(num_private_stats, stats, quota_adjust_qunit);
LPROCFS_OBD_OP_INIT(num_private_stats, stats, ping);
LPROCFS_OBD_OP_INIT(num_private_stats, stats, pool_new);
LPROCFS_OBD_OP_INIT(num_private_stats, stats, pool_rem);
LPROCFS_OBD_OP_INIT(num_private_stats, stats, getref);
LPROCFS_OBD_OP_INIT(num_private_stats, stats, putref);
}
+EXPORT_SYMBOL(lprocfs_init_ops_stats);
int lprocfs_alloc_obd_stats(struct obd_device *obd, unsigned num_private_stats)
{
}
return rc;
}
+EXPORT_SYMBOL(lprocfs_alloc_obd_stats);
void lprocfs_free_obd_stats(struct obd_device *obd)
{
if (obd->obd_stats)
lprocfs_free_stats(&obd->obd_stats);
}
+EXPORT_SYMBOL(lprocfs_free_obd_stats);
#define LPROCFS_MD_OP_INIT(base, stats, op) \
do { \
lprocfs_counter_init(stats, coffset, 0, #op, "reqs"); \
} while (0)
-int lprocfs_alloc_md_stats(struct obd_device *obd,
- unsigned num_private_stats)
+void lprocfs_init_mps_stats(int num_private_stats, struct lprocfs_stats *stats)
{
- struct lprocfs_stats *stats;
- unsigned int num_stats;
- int rc, i;
-
- LASSERT(obd->md_stats == NULL);
- LASSERT(obd->obd_proc_entry != NULL);
- LASSERT(obd->md_cntr_base == 0);
-
- num_stats = 1 + MD_COUNTER_OFFSET(revalidate_lock) +
- num_private_stats;
- stats = lprocfs_alloc_stats(num_stats, 0);
- if (stats == NULL)
- return -ENOMEM;
-
LPROCFS_MD_OP_INIT(num_private_stats, stats, getstatus);
LPROCFS_MD_OP_INIT(num_private_stats, stats, change_cbdata);
+ LPROCFS_MD_OP_INIT(num_private_stats, stats, find_cbdata);
LPROCFS_MD_OP_INIT(num_private_stats, stats, close);
LPROCFS_MD_OP_INIT(num_private_stats, stats, create);
LPROCFS_MD_OP_INIT(num_private_stats, stats, done_writing);
LPROCFS_MD_OP_INIT(num_private_stats, stats, get_remote_perm);
LPROCFS_MD_OP_INIT(num_private_stats, stats, intent_getattr_async);
LPROCFS_MD_OP_INIT(num_private_stats, stats, revalidate_lock);
+}
+EXPORT_SYMBOL(lprocfs_init_mps_stats);
+
+int lprocfs_alloc_md_stats(struct obd_device *obd,
+ unsigned num_private_stats)
+{
+ struct lprocfs_stats *stats;
+ unsigned int num_stats;
+ int rc, i;
+
+ LASSERT(obd->md_stats == NULL);
+ LASSERT(obd->obd_proc_entry != NULL);
+ LASSERT(obd->md_cntr_base == 0);
+
+ num_stats = 1 + MD_COUNTER_OFFSET(revalidate_lock) +
+ num_private_stats;
+ stats = lprocfs_alloc_stats(num_stats, 0);
+ if (stats == NULL)
+ return -ENOMEM;
+
+ lprocfs_init_mps_stats(num_private_stats, stats);
for (i = num_private_stats; i < num_stats; i++) {
if (stats->ls_percpu[0]->lp_cntr[i].lc_name == NULL) {
}
return rc;
}
+EXPORT_SYMBOL(lprocfs_alloc_md_stats);
void lprocfs_free_md_stats(struct obd_device *obd)
{
lprocfs_free_stats(&stats);
}
}
+EXPORT_SYMBOL(lprocfs_free_md_stats);
void lprocfs_init_ldlm_stats(struct lprocfs_stats *ldlm_stats)
{
LDLM_GL_CALLBACK - LDLM_FIRST_OPC,
0, "ldlm_gl_callback", "reqs");
}
+EXPORT_SYMBOL(lprocfs_init_ldlm_stats);
int lprocfs_exp_rd_nid(char *page, char **start, off_t off, int count,
int *eof, void *data)
cb_data->len = len;
}
-void lprocfs_exp_print_uuid(void *obj, void *cb_data)
+int lprocfs_exp_print_uuid(cfs_hash_t *hs, cfs_hash_bd_t *bd,
+ cfs_hlist_node_t *hnode, void *cb_data)
+
{
- struct obd_export *exp = (struct obd_export *)obj;
+ struct obd_export *exp = cfs_hash_object(hs, hnode);
struct exp_uuid_cb_data *data = (struct exp_uuid_cb_data *)cb_data;
if (exp->exp_nid_stats)
*data->len += snprintf((data->page + *data->len),
data->count, "%s\n",
obd_uuid2str(&exp->exp_client_uuid));
+ return 0;
}
int lprocfs_exp_rd_uuid(char *page, char **start, off_t off, int count,
*eof = 1;
page[0] = '\0';
lprocfs_exp_rd_cb_data_init(&cb_data, page, count, eof, &len);
- lustre_hash_for_each_key(obd->obd_nid_hash, &stats->nid,
- lprocfs_exp_print_uuid, &cb_data);
+ cfs_hash_for_each_key(obd->obd_nid_hash, &stats->nid,
+ lprocfs_exp_print_uuid, &cb_data);
return (*cb_data.len);
}
-void lprocfs_exp_print_hash(void *obj, void *cb_data)
+int lprocfs_exp_print_hash(cfs_hash_t *hs, cfs_hash_bd_t *bd,
+ cfs_hlist_node_t *hnode, void *cb_data)
+
{
struct exp_uuid_cb_data *data = cb_data;
- struct obd_export *exp = obj;
- lustre_hash_t *lh;
+ struct obd_export *exp = cfs_hash_object(hs, hnode);
- lh = exp->exp_lock_hash;
- if (lh) {
- if (!*data->len)
- *data->len += lustre_hash_debug_header(data->page,
- data->count);
-
- *data->len += lustre_hash_debug_str(lh, data->page + *data->len,
- data->count);
+ if (exp->exp_lock_hash != NULL) {
+ if (!*data->len) {
+ *data->len += cfs_hash_debug_header(data->page,
+ data->count);
+ }
+ *data->len += cfs_hash_debug_str(hs, data->page + *data->len,
+ data->count);
}
+
+ return 0;
}
int lprocfs_exp_rd_hash(char *page, char **start, off_t off, int count,
page[0] = '\0';
lprocfs_exp_rd_cb_data_init(&cb_data, page, count, eof, &len);
- lustre_hash_for_each_key(obd->obd_nid_hash, &stats->nid,
- lprocfs_exp_print_hash, &cb_data);
+ cfs_hash_for_each_key(obd->obd_nid_hash, &stats->nid,
+ lprocfs_exp_print_hash, &cb_data);
return (*cb_data.len);
}
}
EXPORT_SYMBOL(lprocfs_nid_stats_clear_read);
-void lprocfs_nid_stats_clear_write_cb(void *obj, void *data)
+static int lprocfs_nid_stats_clear_write_cb(void *obj, void *data)
{
struct nid_stat *stat = obj;
int i;
ENTRY;
- /* object has only hash + iterate_all references.
- * add/delete blocked by hash bucket lock */
- CDEBUG(D_INFO,"refcnt %d\n", atomic_read(&stat->nid_exp_ref_count));
- if (atomic_read(&stat->nid_exp_ref_count) == 2) {
- hlist_del_init(&stat->nid_hash);
- nidstat_putref(stat);
- spin_lock(&stat->nid_obd->obd_nid_lock);
- list_move(&stat->nid_list, data);
- spin_unlock(&stat->nid_obd->obd_nid_lock);
- EXIT;
- return;
+
+ CDEBUG(D_INFO,"refcnt %d\n", cfs_atomic_read(&stat->nid_exp_ref_count));
+ if (cfs_atomic_read(&stat->nid_exp_ref_count) == 1) {
+ /* object has only hash references. */
+ cfs_spin_lock(&stat->nid_obd->obd_nid_lock);
+ cfs_list_move(&stat->nid_list, data);
+ cfs_spin_unlock(&stat->nid_obd->obd_nid_lock);
+ RETURN(1);
}
/* we has reference to object - only clear data*/
if (stat->nid_stats)
for (i = 0; i < BRW_LAST; i++)
lprocfs_oh_clear(&stat->nid_brw_stats->hist[i]);
}
- EXIT;
- return;
+ RETURN(0);
}
int lprocfs_nid_stats_clear_write(struct file *file, const char *buffer,
- unsigned long count, void *data)
+ unsigned long count, void *data)
{
struct obd_device *obd = (struct obd_device *)data;
struct nid_stat *client_stat;
CFS_LIST_HEAD(free_list);
- lustre_hash_for_each(obd->obd_nid_stats_hash,
- lprocfs_nid_stats_clear_write_cb, &free_list);
+ cfs_hash_cond_del(obd->obd_nid_stats_hash,
+ lprocfs_nid_stats_clear_write_cb, &free_list);
- while (!list_empty(&free_list)) {
- client_stat = list_entry(free_list.next, struct nid_stat,
- nid_list);
- list_del_init(&client_stat->nid_list);
+ while (!cfs_list_empty(&free_list)) {
+ client_stat = cfs_list_entry(free_list.next, struct nid_stat,
+ nid_list);
+ cfs_list_del_init(&client_stat->nid_list);
lprocfs_free_client_stats(client_stat);
}
struct nid_stat *new_stat, *old_stat;
struct obd_device *obd = NULL;
cfs_proc_dir_entry_t *entry;
+ char *buffer = NULL;
int rc = 0;
ENTRY;
new_stat->nid = *nid;
new_stat->nid_obd = exp->exp_obd;
- atomic_set(&new_stat->nid_exp_ref_count, 0);
+ /* we need set default refcount to 1 to balance obd_disconnect */
+ cfs_atomic_set(&new_stat->nid_exp_ref_count, 1);
- old_stat = lustre_hash_findadd_unique(obd->obd_nid_stats_hash,
- nid, &new_stat->nid_hash);
+ old_stat = cfs_hash_findadd_unique(obd->obd_nid_stats_hash,
+ nid, &new_stat->nid_hash);
CDEBUG(D_INFO, "Found stats %p for nid %s - ref %d\n",
old_stat, libcfs_nid2str(*nid),
- atomic_read(&new_stat->nid_exp_ref_count));
+ cfs_atomic_read(&new_stat->nid_exp_ref_count));
+
+ /* We need to release old stats because lprocfs_exp_cleanup() hasn't
+ * been and will never be called. */
+ if (exp->exp_nid_stats) {
+ nidstat_putref(exp->exp_nid_stats);
+ exp->exp_nid_stats = NULL;
+ }
/* Return -EALREADY here so that we know that the /proc
* entry already has been created */
if (old_stat != new_stat) {
- spin_lock(&obd->obd_nid_lock);
- if (exp->exp_nid_stats != old_stat) {
- if (exp->exp_nid_stats)
- nidstat_putref(exp->exp_nid_stats);
- exp->exp_nid_stats = old_stat;
- } else {
- /* lustre_hash_findadd_unique() has added
- * old_stat's refcount */
- nidstat_putref(old_stat);
- }
-
- spin_unlock(&obd->obd_nid_lock);
-
+ exp->exp_nid_stats = old_stat;
GOTO(destroy_new, rc = -EALREADY);
}
/* not found - create */
- new_stat->nid_proc = lprocfs_register(libcfs_nid2str(*nid),
+ OBD_ALLOC(buffer, LNET_NIDSTR_SIZE);
+ if (buffer == NULL)
+ GOTO(destroy_new, rc = -ENOMEM);
+
+ memcpy(buffer, libcfs_nid2str(*nid), LNET_NIDSTR_SIZE);
+ new_stat->nid_proc = lprocfs_register(buffer,
obd->obd_proc_exports_entry,
NULL, NULL);
+ OBD_FREE(buffer, LNET_NIDSTR_SIZE);
+
if (new_stat->nid_proc == NULL) {
CERROR("Error making export directory for nid %s\n",
libcfs_nid2str(*nid));
GOTO(destroy_new_ns, rc);
}
- if (exp->exp_nid_stats)
- nidstat_putref(exp->exp_nid_stats);
- nidstat_getref(new_stat);
exp->exp_nid_stats = new_stat;
*newnid = 1;
/* protect competitive add to list, not need locking on destroy */
- spin_lock(&obd->obd_nid_lock);
- list_add(&new_stat->nid_list, &obd->obd_nid_stats);
- spin_unlock(&obd->obd_nid_lock);
+ cfs_spin_lock(&obd->obd_nid_lock);
+ cfs_list_add(&new_stat->nid_list, &obd->obd_nid_stats);
+ cfs_spin_unlock(&obd->obd_nid_lock);
RETURN(rc);
destroy_new_ns:
if (new_stat->nid_proc != NULL)
lprocfs_remove(&new_stat->nid_proc);
- lustre_hash_del(obd->obd_nid_stats_hash, nid, &new_stat->nid_hash);
+ cfs_hash_del(obd->obd_nid_stats_hash, nid, &new_stat->nid_hash);
destroy_new:
+ nidstat_putref(new_stat);
OBD_FREE_PTR(new_stat);
RETURN(rc);
}
+EXPORT_SYMBOL(lprocfs_exp_setup);
int lprocfs_exp_cleanup(struct obd_export *exp)
{
nidstat_putref(exp->exp_nid_stats);
exp->exp_nid_stats = NULL;
- lprocfs_free_md_stats(exp->exp_obd);
return 0;
}
+EXPORT_SYMBOL(lprocfs_exp_cleanup);
int lprocfs_write_helper(const char *buffer, unsigned long count,
int *val)
{
return lprocfs_write_frac_helper(buffer, count, val, 1);
}
+EXPORT_SYMBOL(lprocfs_write_helper);
int lprocfs_write_frac_helper(const char *buffer, unsigned long count,
int *val, int mult)
if (count > (sizeof(kernbuf) - 1))
return -EINVAL;
- if (copy_from_user(kernbuf, buffer, count))
+ if (cfs_copy_from_user(kernbuf, buffer, count))
return -EFAULT;
kernbuf[count] = '\0';
}
return 0;
}
+EXPORT_SYMBOL(lprocfs_write_frac_helper);
int lprocfs_read_frac_helper(char *buffer, unsigned long count, long val,
int mult)
buffer[prtn++] ='\n';
return prtn;
}
+EXPORT_SYMBOL(lprocfs_read_frac_helper);
int lprocfs_write_u64_helper(const char *buffer, unsigned long count,__u64 *val)
{
return lprocfs_write_frac_u64_helper(buffer, count, val, 1);
}
+EXPORT_SYMBOL(lprocfs_write_u64_helper);
int lprocfs_write_frac_u64_helper(const char *buffer, unsigned long count,
__u64 *val, int mult)
if (count > (sizeof(kernbuf) - 1))
return -EINVAL;
- if (copy_from_user(kernbuf, buffer, count))
+ if (cfs_copy_from_user(kernbuf, buffer, count))
return -EFAULT;
kernbuf[count] = '\0';
*val = whole * mult + frac;
return 0;
}
+EXPORT_SYMBOL(lprocfs_write_frac_u64_helper);
+
+static char *lprocfs_strnstr(const char *s1, const char *s2, size_t len)
+{
+ size_t l2;
+
+ l2 = strlen(s2);
+ if (!l2)
+ return (char *)s1;
+ while (len >= l2) {
+ len--;
+ if (!memcmp(s1, s2, l2))
+ return (char *)s1;
+ s1++;
+ }
+ return NULL;
+}
+
+/**
+ * Find the string \a name in the input \a buffer, and return a pointer to the
+ * value immediately following \a name, reducing \a count appropriately.
+ * If \a name is not found the original \a buffer is returned.
+ */
+char *lprocfs_find_named_value(const char *buffer, const char *name,
+ unsigned long *count)
+{
+ char *val;
+ size_t buflen = *count;
+
+ /* there is no strnstr() in rhel5 and ubuntu kernels */
+ val = lprocfs_strnstr(buffer, name, buflen);
+ if (val == NULL)
+ return (char *)buffer;
+
+ val += strlen(name); /* skip prefix */
+ while (val < buffer + buflen && isspace(*val)) /* skip separator */
+ val++;
+
+ *count = 0;
+ while (val < buffer + buflen && isalnum(*val)) {
+ ++*count;
+ ++val;
+ }
+
+ return val - *count;
+}
+EXPORT_SYMBOL(lprocfs_find_named_value);
int lprocfs_seq_create(cfs_proc_dir_entry_t *parent, char *name, mode_t mode,
struct file_operations *seq_fops, void *data)
struct proc_dir_entry *entry;
ENTRY;
+ LPROCFS_WRITE_ENTRY();
entry = create_proc_entry(name, mode, parent);
+ if (entry) {
+ entry->proc_fops = seq_fops;
+ entry->data = data;
+ }
+ LPROCFS_WRITE_EXIT();
+
if (entry == NULL)
RETURN(-ENOMEM);
- entry->proc_fops = seq_fops;
- entry->data = data;
RETURN(0);
}
if (value >= OBD_HIST_MAX)
value = OBD_HIST_MAX - 1;
- spin_lock(&oh->oh_lock);
+ cfs_spin_lock(&oh->oh_lock);
oh->oh_buckets[value]++;
- spin_unlock(&oh->oh_lock);
+ cfs_spin_unlock(&oh->oh_lock);
}
EXPORT_SYMBOL(lprocfs_oh_tally);
void lprocfs_oh_clear(struct obd_histogram *oh)
{
- spin_lock(&oh->oh_lock);
+ cfs_spin_lock(&oh->oh_lock);
memset(oh->oh_buckets, 0, sizeof(oh->oh_buckets));
- spin_unlock(&oh->oh_lock);
+ cfs_spin_unlock(&oh->oh_lock);
}
EXPORT_SYMBOL(lprocfs_oh_clear);
if (obd == NULL)
return 0;
- c += lustre_hash_debug_header(page, count);
- c += lustre_hash_debug_str(obd->obd_uuid_hash, page + c, count - c);
- c += lustre_hash_debug_str(obd->obd_nid_hash, page + c, count - c);
- c += lustre_hash_debug_str(obd->obd_nid_stats_hash, page+c, count-c);
+ c += cfs_hash_debug_header(page, count);
+ c += cfs_hash_debug_str(obd->obd_uuid_hash, page + c, count - c);
+ c += cfs_hash_debug_str(obd->obd_nid_hash, page + c, count - c);
+ c += cfs_hash_debug_str(obd->obd_nid_stats_hash, page+c, count-c);
return c;
}
"last_transno: "LPD64"\n",
obd->obd_next_recovery_transno - 1)<=0)
goto out;
- if (lprocfs_obd_snprintf(&page, size, &len, "VBR: %s\n",
- obd->obd_version_recov ? "ON" : "OFF")<=0)
+ if (lprocfs_obd_snprintf(&page, size, &len, "VBR: %s\n",
+ obd->obd_version_recov ?
+ "ENABLED" : "DISABLED") <=0)
+ goto out;
+ if (lprocfs_obd_snprintf(&page, size, &len, "IR: %s\n",
+ obd->obd_no_ir ?
+ "DISABLED" : "ENABLED") <= 0)
goto out;
goto fclose;
}
obd->obd_recovery_start) <= 0)
goto out;
if (lprocfs_obd_snprintf(&page, size, &len, "time_remaining: %lu\n",
- cfs_time_current_sec() >= obd->obd_recovery_end ? 0 :
- obd->obd_recovery_end - cfs_time_current_sec()) <= 0)
+ cfs_time_current_sec() >=
+ obd->obd_recovery_start +
+ obd->obd_recovery_timeout ? 0 :
+ obd->obd_recovery_start +
+ obd->obd_recovery_timeout -
+ cfs_time_current_sec()) <= 0)
goto out;
if (lprocfs_obd_snprintf(&page, size, &len,"connected_clients: %d/%d\n",
- obd->obd_connected_clients,
+ cfs_atomic_read(&obd->obd_connected_clients),
obd->obd_max_recoverable_clients) <= 0)
goto out;
/* Number of clients that have completed recovery */
if (lprocfs_obd_snprintf(&page, size, &len,"req_replay_clients: %d\n",
- atomic_read(&obd->obd_req_replay_clients))<= 0)
+ cfs_atomic_read(&obd->obd_req_replay_clients))
+ <= 0)
goto out;
if (lprocfs_obd_snprintf(&page, size, &len,"lock_repay_clients: %d\n",
- atomic_read(&obd->obd_lock_replay_clients))<=0)
+ cfs_atomic_read(&obd->obd_lock_replay_clients))
+ <=0)
goto out;
if (lprocfs_obd_snprintf(&page, size, &len,"completed_clients: %d\n",
- obd->obd_connected_clients -
- atomic_read(&obd->obd_lock_replay_clients))<=0)
+ cfs_atomic_read(&obd->obd_connected_clients) -
+ cfs_atomic_read(&obd->obd_lock_replay_clients))
+ <=0)
goto out;
if (lprocfs_obd_snprintf(&page, size, &len,"evicted_clients: %d\n",
obd->obd_stale_clients) <= 0)
}
EXPORT_SYMBOL(lprocfs_obd_rd_recovery_status);
-int lprocfs_obd_rd_recovery_maxtime(char *page, char **start, off_t off,
- int count, int *eof, void *data)
+int lprocfs_obd_rd_ir_factor(char *page, char **start, off_t off,
+ int count, int *eof, void *data)
+{
+ struct obd_device *obd = (struct obd_device *)data;
+ LASSERT(obd != NULL);
+
+ return snprintf(page, count, "%d\n",
+ obd->obd_recovery_ir_factor);
+}
+EXPORT_SYMBOL(lprocfs_obd_rd_ir_factor);
+
+int lprocfs_obd_wr_ir_factor(struct file *file, const char *buffer,
+ unsigned long count, void *data)
+{
+ struct obd_device *obd = (struct obd_device *)data;
+ int val, rc;
+ LASSERT(obd != NULL);
+
+ rc = lprocfs_write_helper(buffer, count, &val);
+ if (rc)
+ return rc;
+
+ if (val < OBD_IR_FACTOR_MIN || val > OBD_IR_FACTOR_MAX)
+ return -EINVAL;
+
+ obd->obd_recovery_ir_factor = val;
+ return count;
+}
+EXPORT_SYMBOL(lprocfs_obd_wr_ir_factor);
+
+int lprocfs_obd_rd_recovery_time_soft(char *page, char **start, off_t off,
+ int count, int *eof, void *data)
+{
+ struct obd_device *obd = (struct obd_device *)data;
+ LASSERT(obd != NULL);
+
+ return snprintf(page, count, "%d\n",
+ obd->obd_recovery_timeout);
+}
+EXPORT_SYMBOL(lprocfs_obd_rd_recovery_time_soft);
+
+int lprocfs_obd_wr_recovery_time_soft(struct file *file, const char *buffer,
+ unsigned long count, void *data)
+{
+ struct obd_device *obd = (struct obd_device *)data;
+ int val, rc;
+ LASSERT(obd != NULL);
+
+ rc = lprocfs_write_helper(buffer, count, &val);
+ if (rc)
+ return rc;
+
+ obd->obd_recovery_timeout = val;
+ return count;
+}
+EXPORT_SYMBOL(lprocfs_obd_wr_recovery_time_soft);
+
+int lprocfs_obd_rd_recovery_time_hard(char *page, char **start, off_t off,
+ int count, int *eof, void *data)
{
struct obd_device *obd = data;
LASSERT(obd != NULL);
- return snprintf(page, count, "%lu\n", obd->obd_recovery_max_time);
+ return snprintf(page, count, "%u\n", obd->obd_recovery_time_hard);
}
-EXPORT_SYMBOL(lprocfs_obd_rd_recovery_maxtime);
+EXPORT_SYMBOL(lprocfs_obd_rd_recovery_time_hard);
-int lprocfs_obd_wr_recovery_maxtime(struct file *file, const char *buffer,
- unsigned long count, void *data)
+int lprocfs_obd_wr_recovery_time_hard(struct file *file, const char *buffer,
+ unsigned long count, void *data)
{
struct obd_device *obd = data;
int val, rc;
if (rc)
return rc;
- obd->obd_recovery_max_time = val;
+ obd->obd_recovery_time_hard = val;
return count;
}
-EXPORT_SYMBOL(lprocfs_obd_wr_recovery_maxtime);
+EXPORT_SYMBOL(lprocfs_obd_wr_recovery_time_hard);
+int lprocfs_obd_rd_mntdev(char *page, char **start, off_t off,
+ int count, int *eof, void *data)
+{
+ struct obd_device *obd = (struct obd_device *)data;
-EXPORT_SYMBOL(lprocfs_register);
-EXPORT_SYMBOL(lprocfs_srch);
-EXPORT_SYMBOL(lprocfs_remove);
-EXPORT_SYMBOL(lprocfs_remove_proc_entry);
-EXPORT_SYMBOL(lprocfs_add_vars);
-EXPORT_SYMBOL(lprocfs_obd_setup);
-EXPORT_SYMBOL(lprocfs_obd_cleanup);
-EXPORT_SYMBOL(lprocfs_add_simple);
-EXPORT_SYMBOL(lprocfs_add_symlink);
-EXPORT_SYMBOL(lprocfs_free_per_client_stats);
-EXPORT_SYMBOL(lprocfs_alloc_stats);
-EXPORT_SYMBOL(lprocfs_free_stats);
-EXPORT_SYMBOL(lprocfs_clear_stats);
-EXPORT_SYMBOL(lprocfs_register_stats);
-EXPORT_SYMBOL(lprocfs_init_ops_stats);
-EXPORT_SYMBOL(lprocfs_init_ldlm_stats);
-EXPORT_SYMBOL(lprocfs_alloc_obd_stats);
-EXPORT_SYMBOL(lprocfs_alloc_md_stats);
-EXPORT_SYMBOL(lprocfs_free_obd_stats);
-EXPORT_SYMBOL(lprocfs_exp_setup);
-EXPORT_SYMBOL(lprocfs_exp_cleanup);
+ LASSERT(obd != NULL);
+ LASSERT(mnt_get_devname(obd->u.obt.obt_vfsmnt));
+ *eof = 1;
+ return snprintf(page, count, "%s\n",
+ mnt_get_devname(obd->u.obt.obt_vfsmnt));
+}
+EXPORT_SYMBOL(lprocfs_obd_rd_mntdev);
-EXPORT_SYMBOL(lprocfs_rd_u64);
-EXPORT_SYMBOL(lprocfs_rd_atomic);
-EXPORT_SYMBOL(lprocfs_wr_atomic);
-EXPORT_SYMBOL(lprocfs_rd_uint);
-EXPORT_SYMBOL(lprocfs_wr_uint);
-EXPORT_SYMBOL(lprocfs_rd_uuid);
-EXPORT_SYMBOL(lprocfs_rd_name);
-EXPORT_SYMBOL(lprocfs_rd_fstype);
-EXPORT_SYMBOL(lprocfs_rd_server_uuid);
-EXPORT_SYMBOL(lprocfs_rd_conn_uuid);
-EXPORT_SYMBOL(lprocfs_rd_num_exports);
-EXPORT_SYMBOL(lprocfs_rd_numrefs);
-EXPORT_SYMBOL(lprocfs_at_hist_helper);
-EXPORT_SYMBOL(lprocfs_rd_import);
-EXPORT_SYMBOL(lprocfs_rd_state);
-EXPORT_SYMBOL(lprocfs_rd_timeouts);
-EXPORT_SYMBOL(lprocfs_rd_blksize);
-EXPORT_SYMBOL(lprocfs_rd_kbytestotal);
-EXPORT_SYMBOL(lprocfs_rd_kbytesfree);
-EXPORT_SYMBOL(lprocfs_rd_kbytesavail);
-EXPORT_SYMBOL(lprocfs_rd_filestotal);
-EXPORT_SYMBOL(lprocfs_rd_filesfree);
-EXPORT_SYMBOL(lprocfs_rd_quota_resend_count);
-EXPORT_SYMBOL(lprocfs_wr_quota_resend_count);
+int lprocfs_obd_rd_max_pages_per_rpc(char *page, char **start, off_t off,
+ int count, int *eof, void *data)
+{
+ struct obd_device *dev = data;
+ struct client_obd *cli = &dev->u.cli;
+ int rc;
-EXPORT_SYMBOL(lprocfs_write_helper);
-EXPORT_SYMBOL(lprocfs_write_frac_helper);
-EXPORT_SYMBOL(lprocfs_read_frac_helper);
-EXPORT_SYMBOL(lprocfs_write_u64_helper);
-EXPORT_SYMBOL(lprocfs_write_frac_u64_helper);
-EXPORT_SYMBOL(lprocfs_stats_collect);
+ client_obd_list_lock(&cli->cl_loi_list_lock);
+ rc = snprintf(page, count, "%d\n", cli->cl_max_pages_per_rpc);
+ client_obd_list_unlock(&cli->cl_loi_list_lock);
+ return rc;
+}
+EXPORT_SYMBOL(lprocfs_obd_rd_max_pages_per_rpc);
+
+int lprocfs_target_rd_instance(char *page, char **start, off_t off,
+ int count, int *eof, void *data)
+{
+ struct obd_device *obd = (struct obd_device *)data;
+ struct obd_device_target *target = &obd->u.obt;
+
+ LASSERT(obd != NULL);
+ LASSERT(target->obt_magic == OBT_MAGIC);
+ *eof = 1;
+ return snprintf(page, count, "%u\n", obd->u.obt.obt_instance);
+}
+EXPORT_SYMBOL(lprocfs_target_rd_instance);
#endif /* LPROCFS*/
git://git.whamcloud.com / fs / lustre-release.git / blobdiff