* Copyright (C) 2002, 2003 Cluster File Systems, Inc.
* Author: Hariharan Thantry <thantry@users.sourceforge.net>
*
- * This file is part of Lustre, http://www.lustre.org.
+ * This file is part of the Lustre file system, http://www.lustre.org
+ * Lustre is a trademark of Cluster File Systems, Inc.
*
- * Lustre is free software; you can redistribute it and/or
- * modify it under the terms of version 2 of the GNU General Public
- * License as published by the Free Software Foundation.
+ * You may have signed or agreed to another license before downloading
+ * this software. If so, you are bound by the terms and conditions
+ * of that agreement, and the following does not apply to you. See the
+ * LICENSE file included with this distribution for more information.
*
- * Lustre 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 for more details.
+ * If you did not agree to a different license, then this copy of Lustre
+ * is open source software; you can redistribute it and/or modify it
+ * under the terms of version 2 of the GNU General Public License as
+ * published by the Free Software Foundation.
*
- * You should have received a copy of the GNU General Public License
- * along with Lustre; if not, write to the Free Software
- * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ * In either case, Lustre 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
+ * license text for more details.
*/
-#define EXPORT_SYMTAB
-#define DEBUG_SUBSYSTEM S_CLASS
-#ifdef __KERNEL__
-#include <linux/config.h>
-#include <linux/module.h>
-#include <linux/version.h>
-#include <linux/slab.h>
-#include <linux/types.h>
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,0))
-#include <asm/statfs.h>
+#ifndef EXPORT_SYMTAB
+# define EXPORT_SYMTAB
#endif
-#include <linux/seq_file.h>
+#define DEBUG_SUBSYSTEM S_CLASS
-#else
-#include <liblustre.h>
+#ifndef __KERNEL__
+# include <liblustre.h>
#endif
-#include <linux/obd_class.h>
-#include <linux/lprocfs_status.h>
+#include <obd_class.h>
+#include <lprocfs_status.h>
+#include <lustre_fsfilt.h>
+
+#if defined(LPROCFS)
+
+#define MAX_STRING_SIZE 128
-#ifdef LPROCFS
+/* for bug 10866, global variable */
+DECLARE_RWSEM(_lprocfs_lock);
+EXPORT_SYMBOL(_lprocfs_lock);
+
+int lprocfs_seq_release(struct inode *inode, struct file *file)
+{
+ LPROCFS_EXIT();
+ return seq_release(inode, file);
+}
+EXPORT_SYMBOL(lprocfs_seq_release);
struct proc_dir_entry *lprocfs_srch(struct proc_dir_entry *head,
const char *name)
{
- struct proc_dir_entry* temp;
+ struct proc_dir_entry *temp;
- if (!head)
+ if (head == NULL)
return NULL;
temp = head->subdir;
while (temp != NULL) {
- if (!strcmp(temp->name, name))
+ if (strcmp(temp->name, name) == 0)
return temp;
temp = temp->next;
/* lprocfs API calls */
+/* Function that emulates snprintf but also has the side effect of advancing
+ the page pointer for the next write into the buffer, incrementing the total
+ length written to the buffer, and decrementing the size left in the
+ buffer. */
+static int lprocfs_obd_snprintf(char **page, int end, int *len,
+ const char *format, ...)
+{
+ va_list list;
+ int n;
+
+ if (*len >= end)
+ return 0;
+
+ va_start(list, format);
+ n = vsnprintf(*page, end - *len, format, list);
+ va_end(list);
+
+ *page += n; *len += n;
+ return n;
+}
+
+int lprocfs_add_simple(struct proc_dir_entry *root, char *name,
+ read_proc_t *read_proc, write_proc_t *write_proc,
+ void *data)
+{
+ struct proc_dir_entry *proc;
+ mode_t mode = 0;
+
+ if (root == NULL || name == NULL)
+ return -EINVAL;
+ if (read_proc)
+ mode = 0444;
+ if (write_proc)
+ mode |= 0200;
+ proc = create_proc_entry(name, mode, root);
+ if (!proc) {
+ CERROR("LprocFS: No memory to create /proc entry %s", name);
+ return -ENOMEM;
+ }
+ proc->read_proc = read_proc;
+ proc->write_proc = write_proc;
+ proc->data = data;
+ return 0;
+}
+
+struct proc_dir_entry *lprocfs_add_symlink(const char *name,
+ struct proc_dir_entry *parent, const char *dest)
+{
+ struct proc_dir_entry *entry;
+
+ if (parent == NULL || dest == NULL)
+ return NULL;
+
+ entry = proc_symlink(name, parent, dest);
+ if (entry == NULL)
+ CERROR("LprocFS: Could not create symbolic link from %s to %s",
+ name, dest);
+ return entry;
+}
+
+static ssize_t lprocfs_fops_read(struct file *f, char __user *buf,
+ size_t size, loff_t *ppos)
+{
+ struct proc_dir_entry *dp = PDE(f->f_dentry->d_inode);
+ char *page, *start = NULL;
+ int rc = 0, eof = 1, count;
+
+ if (*ppos >= CFS_PAGE_SIZE)
+ return 0;
+
+ page = (char *)__get_free_page(GFP_KERNEL);
+ if (page == NULL)
+ return -ENOMEM;
+
+ LPROCFS_ENTRY();
+ OBD_FAIL_TIMEOUT(OBD_FAIL_LPROC_REMOVE, 10);
+ if (!dp->deleted && dp->read_proc)
+ rc = dp->read_proc(page, &start, *ppos, CFS_PAGE_SIZE,
+ &eof, dp->data);
+ LPROCFS_EXIT();
+ if (rc <= 0)
+ goto out;
+
+ /* for lustre proc read, the read count must be less than PAGE_SIZE */
+ LASSERT(eof == 1);
+
+ if (start == NULL) {
+ rc -= *ppos;
+ if (rc < 0)
+ rc = 0;
+ if (rc == 0)
+ goto out;
+ start = page + *ppos;
+ } else if (start < page) {
+ start = page;
+ }
+
+ count = (rc < size) ? rc : size;
+ if (copy_to_user(buf, start, count)) {
+ rc = -EFAULT;
+ goto out;
+ }
+ *ppos += count;
+
+out:
+ free_page((unsigned long)page);
+ return rc;
+}
+
+static ssize_t lprocfs_fops_write(struct file *f, const char __user *buf, size_t size, loff_t *ppos)
+{
+ struct proc_dir_entry *dp = PDE(f->f_dentry->d_inode);
+ int rc = 0;
+
+ LPROCFS_ENTRY();
+ if (!dp->deleted && dp->write_proc)
+ rc = dp->write_proc(f, buf, size, dp->data);
+ LPROCFS_EXIT();
+ return rc;
+}
+
+static struct file_operations lprocfs_generic_fops = {
+ .owner = THIS_MODULE,
+ .read = lprocfs_fops_read,
+ .write = lprocfs_fops_write,
+};
+
+int lprocfs_evict_client_open(struct inode *inode, struct file *f)
+{
+ struct proc_dir_entry *dp = PDE(f->f_dentry->d_inode);
+ struct obd_device *obd = dp->data;
+
+ atomic_inc(&obd->obd_evict_inprogress);
+
+ return 0;
+}
+
+int lprocfs_evict_client_release(struct inode *inode, struct file *f)
+{
+ 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);
+
+ return 0;
+}
+
+struct file_operations lprocfs_evict_client_fops = {
+ .owner = THIS_MODULE,
+ .read = lprocfs_fops_read,
+ .write = lprocfs_fops_write,
+ .open = lprocfs_evict_client_open,
+ .release = lprocfs_evict_client_release,
+};
+EXPORT_SYMBOL(lprocfs_evict_client_fops);
+
int lprocfs_add_vars(struct proc_dir_entry *root, struct lprocfs_vars *list,
void *data)
{
- if ((root == NULL) || (list == NULL))
+ if (root == NULL || list == NULL)
return -EINVAL;
- while (list->name) {
+ while (list->name != NULL) {
struct proc_dir_entry *cur_root, *proc;
- char *pathcopy, *cur, *next;
- int pathsize = strlen(list->name)+1;
+ char *pathcopy, *cur, *next, pathbuf[64];
+ int pathsize = strlen(list->name) + 1;
proc = NULL;
cur_root = root;
/* need copy of path for strsep */
- OBD_ALLOC(pathcopy, pathsize);
- if (!pathcopy)
- return -ENOMEM;
+ if (strlen(list->name) > sizeof(pathbuf) - 1) {
+ OBD_ALLOC(pathcopy, pathsize);
+ if (pathcopy == NULL)
+ return -ENOMEM;
+ } else {
+ pathcopy = pathbuf;
+ }
next = pathcopy;
strcpy(pathcopy, list->name);
- while (cur_root && (cur = strsep(&next, "/"))) {
+ while (cur_root != NULL && (cur = strsep(&next, "/"))) {
if (*cur =='\0') /* skip double/trailing "/" */
continue;
CDEBUG(D_OTHER, "cur_root=%s, cur=%s, next=%s, (%s)\n",
cur_root->name, cur, next,
(proc ? "exists" : "new"));
- if (next)
+ if (next != NULL) {
cur_root = (proc ? proc :
- proc_mkdir(cur, cur_root));
- else if (!proc)
- proc = create_proc_entry(cur, 0444, cur_root);
+ proc_mkdir(cur, cur_root));
+ } else if (proc == NULL) {
+ mode_t mode = 0;
+ if (list->read_fptr)
+ mode = 0444;
+ if (list->write_fptr)
+ mode |= 0200;
+ proc = create_proc_entry(cur, mode, cur_root);
+ }
}
- OBD_FREE(pathcopy, pathsize);
+ if (pathcopy != pathbuf)
+ OBD_FREE(pathcopy, pathsize);
- if ((cur_root == NULL) || (proc == NULL)) {
+ if (cur_root == NULL || proc == NULL) {
CERROR("LprocFS: No memory to create /proc entry %s",
list->name);
return -ENOMEM;
}
+ if (list->fops)
+ proc->proc_fops = list->fops;
+ else
+ proc->proc_fops = &lprocfs_generic_fops;
proc->read_proc = list->read_fptr;
proc->write_proc = list->write_fptr;
proc->data = (list->data ? list->data : data);
return 0;
}
-void lprocfs_remove(struct proc_dir_entry* root)
+void lprocfs_remove(struct proc_dir_entry **rooth)
{
+ struct proc_dir_entry *root = *rooth;
struct proc_dir_entry *temp = root;
struct proc_dir_entry *rm_entry;
struct proc_dir_entry *parent;
- LASSERT(root != NULL);
+ if (!root)
+ return;
+ *rooth = NULL;
+
parent = root->parent;
LASSERT(parent != NULL);
while (1) {
- while (temp->subdir)
+ while (temp->subdir != NULL)
temp = temp->subdir;
rm_entry = temp;
temp = temp->parent;
- remove_proc_entry(rm_entry->name, rm_entry->parent);
+
+ /* Memory corruption once caused this to fail, and
+ without this LASSERT we would loop here forever. */
+ LASSERTF(strlen(rm_entry->name) == rm_entry->namelen,
+ "0x%p %s/%s len %d\n", rm_entry, temp->name,
+ rm_entry->name, (int)strlen(rm_entry->name));
+
+ /* Now, the rm_entry->deleted flags is protected
+ * by _lprocfs_lock. */
+ down_write(&_lprocfs_lock);
+ rm_entry->data = NULL;
+ remove_proc_entry(rm_entry->name, temp);
+ up_write(&_lprocfs_lock);
if (temp == parent)
break;
}
}
+void lprocfs_remove_proc_entry(const char *name, struct proc_dir_entry *parent)
+{
+ LASSERT(parent != NULL);
+ remove_proc_entry(name, parent);
+}
+
struct proc_dir_entry *lprocfs_register(const char *name,
struct proc_dir_entry *parent,
struct lprocfs_vars *list, void *data)
struct proc_dir_entry *newchild;
newchild = lprocfs_srch(parent, name);
- if (newchild) {
+ if (newchild != NULL) {
CERROR(" Lproc: Attempting to register %s more than once \n",
name);
return ERR_PTR(-EALREADY);
}
newchild = proc_mkdir(name, parent);
- if (newchild && list) {
+ if (newchild != NULL && list != NULL) {
int rc = lprocfs_add_vars(newchild, list, data);
if (rc) {
- lprocfs_remove(newchild);
+ lprocfs_remove(&newchild);
return ERR_PTR(rc);
}
}
}
/* Generic callbacks */
+int lprocfs_rd_uint(char *page, char **start, off_t off,
+ int count, int *eof, void *data)
+{
+ unsigned int *temp = (unsigned int *)data;
+ return snprintf(page, count, "%u\n", *temp);
+}
+
+int lprocfs_wr_uint(struct file *file, const char *buffer,
+ unsigned long count, void *data)
+{
+ unsigned *p = data;
+ char dummy[MAX_STRING_SIZE + 1], *end;
+ unsigned long tmp;
+
+ dummy[MAX_STRING_SIZE] = '\0';
+ if (copy_from_user(dummy, buffer, MAX_STRING_SIZE))
+ return -EFAULT;
+
+ tmp = simple_strtoul(dummy, &end, 0);
+ if (dummy == end)
+ return -EINVAL;
+
+ *p = (unsigned int)tmp;
+ return count;
+}
int lprocfs_rd_u64(char *page, char **start, off_t off,
int count, int *eof, void *data)
return snprintf(page, count, LPU64"\n", *(__u64 *)data);
}
-int lprocfs_rd_uuid(char* page, char **start, off_t off, int count,
+int lprocfs_rd_atomic(char *page, char **start, off_t off,
+ int count, int *eof, void *data)
+{
+ atomic_t *atom = (atomic_t *)data;
+ LASSERT(atom != NULL);
+ *eof = 1;
+ return snprintf(page, count, "%d\n", atomic_read(atom));
+}
+
+int lprocfs_wr_atomic(struct file *file, const char *buffer,
+ unsigned long count, void *data)
+{
+ atomic_t *atm = data;
+ int val = 0;
+ int rc;
+
+ rc = lprocfs_write_helper(buffer, count, &val);
+ if (rc < 0)
+ return rc;
+
+ if (val <= 0)
+ return -ERANGE;
+
+ atomic_set(atm, val);
+ return count;
+}
+
+int lprocfs_rd_uuid(char *page, char **start, off_t off, int count,
int *eof, void *data)
{
- struct obd_device* dev = (struct obd_device*)data;
+ struct obd_device *obd = (struct obd_device*)data;
- LASSERT(dev != NULL);
+ LASSERT(obd != NULL);
*eof = 1;
- return snprintf(page, count, "%s\n", dev->obd_uuid.uuid);
+ return snprintf(page, count, "%s\n", obd->obd_uuid.uuid);
}
int lprocfs_rd_name(char *page, char **start, off_t off, int count,
- int *eof, void *data)
+ int *eof, void* data)
{
- struct obd_device* dev = (struct obd_device *)data;
+ struct obd_device *dev = (struct obd_device *)data;
LASSERT(dev != NULL);
LASSERT(dev->obd_name != NULL);
return snprintf(page, count, "%s\n", dev->obd_name);
}
-int lprocfs_rd_blksize(char* page, char **start, off_t off, int count,
- int *eof, struct statfs *sfs)
+int lprocfs_rd_fstype(char *page, char **start, off_t off, int count, int *eof,
+ void *data)
{
- LASSERT(sfs != NULL);
- *eof = 1;
- return snprintf(page, count, "%lu\n", sfs->f_bsize);
+ struct obd_device *obd = (struct obd_device *)data;
+
+ LASSERT(obd != NULL);
+ LASSERT(obd->obd_fsops != NULL);
+ LASSERT(obd->obd_fsops->fs_type != NULL);
+ return snprintf(page, count, "%s\n", obd->obd_fsops->fs_type);
}
-int lprocfs_rd_kbytestotal(char* page, char **start, off_t off, int count,
- int *eof, struct statfs *sfs)
+int lprocfs_rd_blksize(char *page, char **start, off_t off, int count,
+ int *eof, void *data)
{
- __u32 blk_size;
- __u64 result;
-
- LASSERT(sfs != NULL);
- blk_size = sfs->f_bsize >> 10;
- result = sfs->f_blocks;
-
- while (blk_size >>= 1)
- result <<= 1;
-
- *eof = 1;
- return snprintf(page, count, LPU64"\n", result);
+ struct obd_statfs osfs;
+ int rc = obd_statfs(data, &osfs, cfs_time_current_64() - HZ,
+ OBD_STATFS_NODELAY);
+ if (!rc) {
+ *eof = 1;
+ rc = snprintf(page, count, "%u\n", osfs.os_bsize);
+ }
+ return rc;
}
-int lprocfs_rd_kbytesfree(char* page, char **start, off_t off, int count,
- int *eof, struct statfs *sfs)
+int lprocfs_rd_kbytestotal(char *page, char **start, off_t off, int count,
+ int *eof, void *data)
{
- __u32 blk_size;
- __u64 result;
-
- LASSERT(sfs != NULL);
- blk_size = sfs->f_bsize >> 10;
- result = sfs->f_bfree;
-
- while (blk_size >>= 1)
- result <<= 1;
+ struct obd_statfs osfs;
+ int rc = obd_statfs(data, &osfs, cfs_time_current_64() - HZ,
+ OBD_STATFS_NODELAY);
+ 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;
+}
- *eof = 1;
- return snprintf(page, count, LPU64"\n", result);
+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,
+ OBD_STATFS_NODELAY);
+ 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;
}
-int lprocfs_rd_filestotal(char* page, char **start, off_t off, int count,
- int *eof, struct statfs *sfs)
+int lprocfs_rd_kbytesavail(char *page, char **start, off_t off, int count,
+ int *eof, void *data)
{
- LASSERT(sfs != NULL);
- *eof = 1;
- return snprintf(page, count, "%ld\n", sfs->f_files);
+ struct obd_statfs osfs;
+ int rc = obd_statfs(data, &osfs, cfs_time_current_64() - HZ,
+ OBD_STATFS_NODELAY);
+ 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;
}
-int lprocfs_rd_filesfree(char* page, char **start, off_t off, int count,
- int *eof, struct statfs *sfs)
+int lprocfs_rd_filestotal(char *page, char **start, off_t off, int count,
+ int *eof, void *data)
{
- LASSERT(sfs != NULL);
- *eof = 1;
- return snprintf(page, count, "%ld\n", sfs->f_ffree);
+ struct obd_statfs osfs;
+ int rc = obd_statfs(data, &osfs, cfs_time_current_64() - HZ,
+ OBD_STATFS_NODELAY);
+ if (!rc) {
+ *eof = 1;
+ rc = snprintf(page, count, LPU64"\n", osfs.os_files);
+ }
+
+ return rc;
}
-int lprocfs_rd_filegroups(char* page, char **start, off_t off, int count,
- int *eof, struct statfs *sfs)
+int lprocfs_rd_filesfree(char *page, char **start, off_t off, int count,
+ int *eof, void *data)
{
- *eof = 1;
- return snprintf(page, count, "unimplemented\n");
+ struct obd_statfs osfs;
+ int rc = obd_statfs(data, &osfs, cfs_time_current_64() - HZ,
+ OBD_STATFS_NODELAY);
+ if (!rc) {
+ *eof = 1;
+ rc = snprintf(page, count, LPU64"\n", osfs.os_ffree);
+ }
+ return rc;
}
-int lprocfs_rd_server_uuid(char* page, char **start, off_t off, int count,
+int lprocfs_rd_server_uuid(char *page, char **start, off_t off, int count,
int *eof, void *data)
{
struct obd_device *obd = (struct obd_device *)data;
- struct client_obd *cli;
+ struct obd_import *imp;
+ char *imp_state_name = NULL;
+ int rc = 0;
LASSERT(obd != NULL);
- cli = &obd->u.cli;
+ LPROCFS_CLIMP_CHECK(obd);
+ imp = obd->u.cli.cl_import;
+ imp_state_name = ptlrpc_import_state_name(imp->imp_state);
*eof = 1;
- return snprintf(page, count, "%s\n",
- cli->cl_import->imp_target_uuid.uuid);
+ rc = snprintf(page, count, "%s\t%s%s\n",
+ obd2cli_tgt(obd), imp_state_name,
+ imp->imp_deactive ? "\tDEACTIVATED" : "");
+
+ LPROCFS_CLIMP_EXIT(obd);
+ return rc;
}
int lprocfs_rd_conn_uuid(char *page, char **start, off_t off, int count,
{
struct obd_device *obd = (struct obd_device*)data;
struct ptlrpc_connection *conn;
+ int rc = 0;
LASSERT(obd != NULL);
+
+ LPROCFS_CLIMP_CHECK(obd);
conn = obd->u.cli.cl_import->imp_connection;
LASSERT(conn != NULL);
*eof = 1;
- return snprintf(page, count, "%s\n", conn->c_remote_uuid.uuid);
+ if (obd->u.cli.cl_import) {
+ rc = snprintf(page, count, "%s\n",
+ conn->c_remote_uuid.uuid);
+ } else {
+ rc = snprintf(page, count, "%s\n", "<none>");
+ }
+
+ LPROCFS_CLIMP_EXIT(obd);
+ return rc;
+}
+
+static const char *obd_connect_names[] = {
+ "read_only",
+ "lov_index",
+ "unused",
+ "write_grant",
+ "server_lock",
+ "version",
+ "request_portal",
+ "acl",
+ "xattr",
+ "create_on_write",
+ "truncate_lock",
+ "initial_transno",
+ "inode_bit_locks",
+ "join_file",
+ "getattr_by_fid",
+ "no_oh_for_devices",
+ "local_client",
+ "remote_client",
+ "max_byte_per_rpc",
+ "64bit_qdata",
+ "mds_capability",
+ "oss_capability",
+ "early_lock_cancel",
+ "size_on_mds",
+ "adaptive_timeouts",
+ "lru_resize",
+ "mds_mds_connection",
+ "real_conn",
+ "change_qunit_size",
+ "alt_checksum_algorithm",
+ "fid_is_enabled",
+ NULL
+};
+
+int lprocfs_rd_connect_flags(char *page, char **start, off_t off,
+ int count, int *eof, void *data)
+{
+ struct obd_device *obd = data;
+ __u64 mask = 1, flags;
+ int i, ret = 0;
+
+ LPROCFS_CLIMP_CHECK(obd);
+ flags = obd->u.cli.cl_import->imp_connect_data.ocd_connect_flags;
+ ret = snprintf(page, count, "flags="LPX64"\n", flags);
+ for (i = 0; obd_connect_names[i] != NULL; i++, mask <<= 1) {
+ if (flags & mask)
+ ret += snprintf(page + ret, count - ret, "%s\n",
+ obd_connect_names[i]);
+ }
+ if (flags & ~(mask - 1))
+ ret += snprintf(page + ret, count - ret,
+ "unknown flags "LPX64"\n", flags & ~(mask - 1));
+
+ LPROCFS_CLIMP_EXIT(obd);
+ return ret;
+}
+EXPORT_SYMBOL(lprocfs_rd_connect_flags);
+
+int lprocfs_rd_num_exports(char *page, char **start, off_t off, int count,
+ int *eof, void *data)
+{
+ struct obd_device *obd = (struct obd_device*)data;
+
+ LASSERT(obd != NULL);
+ *eof = 1;
+ return snprintf(page, count, "%u\n", obd->obd_num_exports);
}
int lprocfs_rd_numrefs(char *page, char **start, off_t off, int count,
int *eof, void *data)
{
- struct obd_type* class = (struct obd_type*) data;
+ struct obd_type *class = (struct obd_type*) data;
LASSERT(class != NULL);
*eof = 1;
return snprintf(page, count, "%d\n", class->typ_refcnt);
}
-int lprocfs_obd_attach(struct obd_device *dev, struct lprocfs_vars *list)
+int lprocfs_obd_setup(struct obd_device *obd, struct lprocfs_vars *list)
{
int rc = 0;
- LASSERT(dev != NULL);
- LASSERT(dev->obd_type != NULL);
- LASSERT(dev->obd_type->typ_procroot != NULL);
-
- dev->obd_proc_entry = lprocfs_register(dev->obd_name,
- dev->obd_type->typ_procroot,
- list, dev);
- if (IS_ERR(dev->obd_proc_entry)) {
- rc = PTR_ERR(dev->obd_proc_entry);
- dev->obd_proc_entry = NULL;
+ LASSERT(obd != NULL);
+ LASSERT(obd->obd_magic == OBD_DEVICE_MAGIC);
+ LASSERT(obd->obd_type->typ_procroot != NULL);
+
+ obd->obd_proc_entry = lprocfs_register(obd->obd_name,
+ obd->obd_type->typ_procroot,
+ list, obd);
+ if (IS_ERR(obd->obd_proc_entry)) {
+ rc = PTR_ERR(obd->obd_proc_entry);
+ CERROR("error %d setting up lprocfs for %s\n",rc,obd->obd_name);
+ obd->obd_proc_entry = NULL;
}
return rc;
}
-int lprocfs_obd_detach(struct obd_device *dev)
+int lprocfs_obd_cleanup(struct obd_device *obd)
{
- if (dev && dev->obd_proc_entry) {
- lprocfs_remove(dev->obd_proc_entry);
- dev->obd_proc_entry = NULL;
+ if (!obd)
+ return -EINVAL;
+ if (obd->obd_proc_exports_entry) {
+ /* Should be no exports left */
+ LASSERT(obd->obd_proc_exports_entry->subdir == NULL);
+ lprocfs_remove(&obd->obd_proc_exports_entry);
}
+ lprocfs_remove(&obd->obd_proc_entry);
return 0;
}
-struct lprocfs_stats *lprocfs_alloc_stats(unsigned int num)
+void lprocfs_free_client_stats(void *obj, void *data)
+{
+ struct nid_stat *client_stat = obj;
+
+ CDEBUG(D_CONFIG, "stat %p - data %p/%p/%p\n", client_stat,
+ client_stat->nid_proc, client_stat->nid_stats,
+ client_stat->nid_brw_stats);
+
+ LASSERTF(client_stat->nid_exp_ref_count == 0, "count %d\n",
+ client_stat->nid_exp_ref_count);
+
+ hlist_del_init(&client_stat->nid_hash);
+ list_del(&client_stat->nid_list);
+
+ if (client_stat->nid_proc)
+ lprocfs_remove(&client_stat->nid_proc);
+
+ if (client_stat->nid_stats)
+ lprocfs_free_stats(&client_stat->nid_stats);
+
+ if (client_stat->nid_brw_stats)
+ OBD_FREE(client_stat->nid_brw_stats, sizeof(struct brw_stats));
+
+ OBD_FREE(client_stat, sizeof(*client_stat));
+ return;
+
+}
+
+void lprocfs_free_per_client_stats(struct obd_device *obd)
+{
+ struct nid_stat *stat;
+ ENTRY;
+
+ /* we need extra list - because hash_exit called to early */
+ while(!list_empty(&obd->obd_nid_stats)) {
+ stat = list_entry(obd->obd_nid_stats.next,
+ struct nid_stat, nid_list);
+ lprocfs_free_client_stats(stat, NULL);
+ }
+
+ EXIT;
+}
+
+struct lprocfs_stats *lprocfs_alloc_stats(unsigned int num,
+ enum lprocfs_stats_flags flags)
{
struct lprocfs_stats *stats;
- struct lprocfs_percpu *percpu;
unsigned int percpusize;
- unsigned int i;
+ unsigned int i, j;
+ unsigned int num_cpu;
if (num == 0)
return NULL;
- OBD_ALLOC(stats, offsetof(typeof(*stats), ls_percpu[smp_num_cpus]));
+ 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;
- percpusize = L1_CACHE_ALIGN(offsetof(typeof(*percpu), lp_cntr[num]));
- stats->ls_percpu_size = smp_num_cpus * percpusize;
- OBD_ALLOC(stats->ls_percpu[0], stats->ls_percpu_size);
+ 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[smp_num_cpus]));
+ ls_percpu[num_cpu]));
return NULL;
}
stats->ls_num = num;
- for (i = 1; i < smp_num_cpus; i++)
- stats->ls_percpu[i] = (void *)(stats->ls_percpu[i - 1]) +
- percpusize;
-
return stats;
}
-void lprocfs_free_stats(struct lprocfs_stats *stats)
+void lprocfs_free_stats(struct lprocfs_stats **statsh)
{
- if (stats->ls_num == 0)
+ struct lprocfs_stats *stats = *statsh;
+ unsigned int num_cpu;
+ 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();
+
+ 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]));
+}
+
+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);
+ }
+ }
- OBD_FREE(stats->ls_percpu[0], stats->ls_percpu_size);
- OBD_FREE(stats, offsetof(typeof(*stats), ls_percpu[smp_num_cpus]));
+ lprocfs_stats_unlock(stats);
}
-/* Reset counter under lock */
-int lprocfs_counter_write(struct file *file, const char *buffer,
- unsigned long count, void *data)
+static ssize_t lprocfs_stats_seq_write(struct file *file, const char *buf,
+ size_t len, loff_t *off)
{
- /* not supported */
- return 0;
+ struct seq_file *seq = file->private_data;
+ struct lprocfs_stats *stats = seq->private;
+
+ lprocfs_clear_stats(stats);
+
+ return len;
}
static void *lprocfs_stats_seq_start(struct seq_file *p, loff_t *pos)
{
struct lprocfs_stats *stats = p->private;
struct lprocfs_counter *cntr = v;
- struct lprocfs_counter t, ret = { .lc_min = ~(__u64)0 };
+ struct lprocfs_counter t, ret = { .lc_min = LC_MIN_INIT };
int i, idx, rc;
+ unsigned int num_cpu;
if (cntr == &(stats->ls_percpu[0])->lp_cntr[0]) {
struct timeval now;
}
idx = cntr - &(stats->ls_percpu[0])->lp_cntr[0];
- for (i = 0; i < smp_num_cpus; i++) {
+ if (stats->ls_flags & LPROCFS_STATS_FLAG_NOPERCPU)
+ num_cpu = 1;
+ else
+ num_cpu = num_possible_cpus();
+
+ for (i = 0; i < num_cpu; i++) {
struct lprocfs_counter *percpu_cntr =
&(stats->ls_percpu[i])->lp_cntr[idx];
int centry;
+
do {
- centry = 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;
+ centry = 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));
ret.lc_count += t.lc_count;
ret.lc_sumsquare += t.lc_sumsquare;
}
- rc = seq_printf(p, "%-25s "LPU64" samples [%s]", cntr->lc_name,
+ rc = seq_printf(p, "%-25s "LPD64" samples [%s]", cntr->lc_name,
ret.lc_count, cntr->lc_units);
if (rc < 0)
goto out;
if ((cntr->lc_config & LPROCFS_CNTR_AVGMINMAX) && (ret.lc_count > 0)) {
- rc = seq_printf(p, " "LPU64" "LPU64" "LPU64,
+ rc = seq_printf(p, " "LPD64" "LPD64" "LPD64,
ret.lc_min, ret.lc_max, ret.lc_sum);
if (rc < 0)
goto out;
if (cntr->lc_config & LPROCFS_CNTR_STDDEV)
- rc = seq_printf(p, " "LPU64, ret.lc_sumsquare);
+ rc = seq_printf(p, " "LPD64, ret.lc_sumsquare);
if (rc < 0)
goto out;
}
}
struct seq_operations lprocfs_stats_seq_sops = {
- .start = lprocfs_stats_seq_start,
- .stop = lprocfs_stats_seq_stop,
- .next = lprocfs_stats_seq_next,
- .show = lprocfs_stats_seq_show,
+ start: lprocfs_stats_seq_start,
+ stop: lprocfs_stats_seq_stop,
+ next: lprocfs_stats_seq_next,
+ show: lprocfs_stats_seq_show,
};
static int lprocfs_stats_seq_open(struct inode *inode, struct file *file)
{
- struct proc_dir_entry *dp = inode->u.generic_ip;
+ struct proc_dir_entry *dp = PDE(inode);
struct seq_file *seq;
int rc;
+ LPROCFS_ENTRY_AND_CHECK(dp);
rc = seq_open(file, &lprocfs_stats_seq_sops);
- if (rc)
+ if (rc) {
+ LPROCFS_EXIT();
return rc;
+ }
seq = file->private_data;
seq->private = dp->data;
return 0;
}
struct file_operations lprocfs_stats_seq_fops = {
+ .owner = THIS_MODULE,
.open = lprocfs_stats_seq_open,
.read = seq_read,
+ .write = lprocfs_stats_seq_write,
.llseek = seq_lseek,
- .release = seq_release,
+ .release = lprocfs_seq_release,
};
-int lprocfs_register_stats(struct proc_dir_entry *root, const char* name,
+int lprocfs_register_stats(struct proc_dir_entry *root, const char *name,
struct lprocfs_stats *stats)
{
struct proc_dir_entry *entry;
LASSERT(root != NULL);
- entry = create_proc_entry(name, 0444, root);
+ entry = create_proc_entry(name, 0644, root);
if (entry == NULL)
return -ENOMEM;
entry->proc_fops = &lprocfs_stats_seq_fops;
entry->data = (void *)stats;
- entry->write_proc = lprocfs_counter_write;
return 0;
}
{
struct lprocfs_counter *c;
int i;
+ unsigned int num_cpu;
LASSERT(stats != NULL);
- for (i = 0; i < smp_num_cpus; i++) {
+
+ 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_min = ~(__u64)0;
+ 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);
}
EXPORT_SYMBOL(lprocfs_counter_init);
#define LPROCFS_OBD_OP_INIT(base, stats, op) \
do { \
unsigned int coffset = base + OBD_COUNTER_OFFSET(op); \
- LASSERT(coffset < stats->ls_num); \
+ LASSERT(coffset < stats->ls_num); \
lprocfs_counter_init(stats, coffset, 0, #op, "reqs"); \
} while (0)
-int lprocfs_alloc_obd_stats(struct obd_device *obd, unsigned num_private_stats)
+void lprocfs_init_ops_stats(int num_private_stats, struct lprocfs_stats *stats)
{
- struct lprocfs_stats *stats;
- unsigned int num_stats;
- int rc, i;
-
- LASSERT(obd->obd_stats == NULL);
- LASSERT(obd->obd_proc_entry != NULL);
- LASSERT(obd->obd_cntr_base == 0);
-
- num_stats = 1 + OBD_COUNTER_OFFSET(destroy_export) +
- num_private_stats;
- stats = lprocfs_alloc_stats(num_stats);
- if (!stats)
- return -ENOMEM;
-
LPROCFS_OBD_OP_INIT(num_private_stats, stats, iocontrol);
LPROCFS_OBD_OP_INIT(num_private_stats, stats, get_info);
- LPROCFS_OBD_OP_INIT(num_private_stats, stats, set_info);
+ LPROCFS_OBD_OP_INIT(num_private_stats, stats, set_info_async);
LPROCFS_OBD_OP_INIT(num_private_stats, stats, attach);
LPROCFS_OBD_OP_INIT(num_private_stats, stats, detach);
LPROCFS_OBD_OP_INIT(num_private_stats, stats, setup);
+ LPROCFS_OBD_OP_INIT(num_private_stats, stats, precleanup);
LPROCFS_OBD_OP_INIT(num_private_stats, stats, cleanup);
+ LPROCFS_OBD_OP_INIT(num_private_stats, stats, process_config);
+ LPROCFS_OBD_OP_INIT(num_private_stats, stats, postrecov);
+ LPROCFS_OBD_OP_INIT(num_private_stats, stats, add_conn);
+ LPROCFS_OBD_OP_INIT(num_private_stats, stats, del_conn);
LPROCFS_OBD_OP_INIT(num_private_stats, stats, connect);
+ LPROCFS_OBD_OP_INIT(num_private_stats, stats, reconnect);
LPROCFS_OBD_OP_INIT(num_private_stats, stats, disconnect);
+ LPROCFS_OBD_OP_INIT(num_private_stats, stats, fid_init);
+ LPROCFS_OBD_OP_INIT(num_private_stats, stats, fid_fini);
+ LPROCFS_OBD_OP_INIT(num_private_stats, stats, fid_alloc);
+ LPROCFS_OBD_OP_INIT(num_private_stats, stats, fid_delete);
LPROCFS_OBD_OP_INIT(num_private_stats, stats, statfs);
- LPROCFS_OBD_OP_INIT(num_private_stats, stats, syncfs);
+ 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, destroy);
LPROCFS_OBD_OP_INIT(num_private_stats, stats, setattr);
+ LPROCFS_OBD_OP_INIT(num_private_stats, stats, setattr_async);
LPROCFS_OBD_OP_INIT(num_private_stats, stats, getattr);
LPROCFS_OBD_OP_INIT(num_private_stats, stats, getattr_async);
- LPROCFS_OBD_OP_INIT(num_private_stats, stats, open);
- LPROCFS_OBD_OP_INIT(num_private_stats, stats, close);
LPROCFS_OBD_OP_INIT(num_private_stats, stats, brw);
LPROCFS_OBD_OP_INIT(num_private_stats, stats, brw_async);
+ LPROCFS_OBD_OP_INIT(num_private_stats, stats, prep_async_page);
+ LPROCFS_OBD_OP_INIT(num_private_stats, stats, queue_async_io);
+ LPROCFS_OBD_OP_INIT(num_private_stats, stats, queue_group_io);
+ LPROCFS_OBD_OP_INIT(num_private_stats, stats, trigger_group_io);
+ LPROCFS_OBD_OP_INIT(num_private_stats, stats, set_async_flags);
+ LPROCFS_OBD_OP_INIT(num_private_stats, stats, teardown_async_page);
+ LPROCFS_OBD_OP_INIT(num_private_stats, stats, merge_lvb);
+ LPROCFS_OBD_OP_INIT(num_private_stats, stats, adjust_kms);
LPROCFS_OBD_OP_INIT(num_private_stats, stats, punch);
LPROCFS_OBD_OP_INIT(num_private_stats, stats, sync);
LPROCFS_OBD_OP_INIT(num_private_stats, stats, migrate);
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, match);
+ LPROCFS_OBD_OP_INIT(num_private_stats, stats, change_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, san_preprw);
+ LPROCFS_OBD_OP_INIT(num_private_stats, stats, join_lru);
+ LPROCFS_OBD_OP_INIT(num_private_stats, stats, init_export);
LPROCFS_OBD_OP_INIT(num_private_stats, stats, destroy_export);
+ LPROCFS_OBD_OP_INIT(num_private_stats, stats, extent_calc);
+ LPROCFS_OBD_OP_INIT(num_private_stats, stats, llog_init);
+ LPROCFS_OBD_OP_INIT(num_private_stats, stats, llog_connect);
+ LPROCFS_OBD_OP_INIT(num_private_stats, stats, llog_finish);
+ LPROCFS_OBD_OP_INIT(num_private_stats, stats, pin);
+ LPROCFS_OBD_OP_INIT(num_private_stats, stats, unpin);
+ LPROCFS_OBD_OP_INIT(num_private_stats, stats, import_event);
+ LPROCFS_OBD_OP_INIT(num_private_stats, stats, notify);
+ LPROCFS_OBD_OP_INIT(num_private_stats, stats, health_check);
+ 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, ping);
+}
+
+int lprocfs_alloc_obd_stats(struct obd_device *obd, unsigned num_private_stats)
+{
+ struct lprocfs_stats *stats;
+ unsigned int num_stats;
+ int rc, i;
+
+ LASSERT(obd->obd_stats == NULL);
+ LASSERT(obd->obd_proc_entry != NULL);
+ LASSERT(obd->obd_cntr_base == 0);
+
+ num_stats = ((int)sizeof(*obd->obd_type->typ_dt_ops) / sizeof(void *)) +
+ num_private_stats - 1 /* o_owner */;
+ stats = lprocfs_alloc_stats(num_stats, 0);
+ if (stats == NULL)
+ return -ENOMEM;
+
+ lprocfs_init_ops_stats(num_private_stats, stats);
for (i = num_private_stats; i < num_stats; i++) {
- /* If this assertion failed, it is likely that an obd
+ /* If this LBUGs, it is likely that an obd
* operation was added to struct obd_ops in
- * <linux/obd.h>, and that the corresponding line item
+ * <obd.h>, and that the corresponding line item
* LPROCFS_OBD_OP_INIT(.., .., opname)
* is missing from the list above. */
- LASSERT(&(stats->ls_percpu[0])->lp_cntr[i].lc_name != NULL);
+ LASSERTF(stats->ls_percpu[0]->lp_cntr[i].lc_name != NULL,
+ "Missing obd_stat initializer obd_op "
+ "operation at offset %d.\n", i - num_private_stats);
}
rc = lprocfs_register_stats(obd->obd_proc_entry, "stats", stats);
if (rc < 0) {
- lprocfs_free_stats(stats);
+ lprocfs_free_stats(&stats);
} else {
obd->obd_stats = stats;
obd->obd_cntr_base = num_private_stats;
void lprocfs_free_obd_stats(struct obd_device *obd)
{
- struct lprocfs_stats *stats = obd->obd_stats;
+ if (obd->obd_stats)
+ lprocfs_free_stats(&obd->obd_stats);
+}
+
+#define LPROCFS_MD_OP_INIT(base, stats, op) \
+do { \
+ unsigned int coffset = base + MD_COUNTER_OFFSET(op); \
+ LASSERT(coffset < stats->ls_num); \
+ lprocfs_counter_init(stats, coffset, 0, #op, "reqs"); \
+} while (0)
+
+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(get_remote_perm) +
+ 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, 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, enqueue);
+ LPROCFS_MD_OP_INIT(num_private_stats, stats, getattr);
+ LPROCFS_MD_OP_INIT(num_private_stats, stats, getattr_name);
+ LPROCFS_MD_OP_INIT(num_private_stats, stats, intent_lock);
+ LPROCFS_MD_OP_INIT(num_private_stats, stats, link);
+ LPROCFS_MD_OP_INIT(num_private_stats, stats, rename);
+ LPROCFS_MD_OP_INIT(num_private_stats, stats, is_subdir);
+ LPROCFS_MD_OP_INIT(num_private_stats, stats, setattr);
+ LPROCFS_MD_OP_INIT(num_private_stats, stats, sync);
+ LPROCFS_MD_OP_INIT(num_private_stats, stats, readpage);
+ LPROCFS_MD_OP_INIT(num_private_stats, stats, unlink);
+ LPROCFS_MD_OP_INIT(num_private_stats, stats, setxattr);
+ LPROCFS_MD_OP_INIT(num_private_stats, stats, getxattr);
+ LPROCFS_MD_OP_INIT(num_private_stats, stats, init_ea_size);
+ LPROCFS_MD_OP_INIT(num_private_stats, stats, get_lustre_md);
+ LPROCFS_MD_OP_INIT(num_private_stats, stats, free_lustre_md);
+ LPROCFS_MD_OP_INIT(num_private_stats, stats, set_open_replay_data);
+ LPROCFS_MD_OP_INIT(num_private_stats, stats, clear_open_replay_data);
+ LPROCFS_MD_OP_INIT(num_private_stats, stats, set_lock_data);
+ LPROCFS_MD_OP_INIT(num_private_stats, stats, lock_match);
+ LPROCFS_MD_OP_INIT(num_private_stats, stats, cancel_unused);
+ LPROCFS_MD_OP_INIT(num_private_stats, stats, renew_capa);
+ LPROCFS_MD_OP_INIT(num_private_stats, stats, get_remote_perm);
+
+ for (i = num_private_stats; i < num_stats; i++) {
+ if (stats->ls_percpu[0]->lp_cntr[i].lc_name == NULL) {
+ CERROR("Missing md_stat initializer md_op "
+ "operation at offset %d. Aborting.\n",
+ i - num_private_stats);
+ LBUG();
+ }
+ }
+ rc = lprocfs_register_stats(obd->obd_proc_entry, "stats", stats);
+ if (rc < 0) {
+ lprocfs_free_stats(&stats);
+ } else {
+ obd->md_stats = stats;
+ obd->md_cntr_base = num_private_stats;
+ }
+ return rc;
+}
+
+void lprocfs_free_md_stats(struct obd_device *obd)
+{
+ struct lprocfs_stats *stats = obd->md_stats;
if (stats != NULL) {
- obd->obd_stats = NULL;
- lprocfs_free_stats(stats);
+ obd->md_stats = NULL;
+ lprocfs_free_stats(&stats);
}
}
-#endif /* LPROCFS*/
+int lprocfs_exp_rd_nid(char *page, char **start, off_t off, int count,
+ int *eof, void *data)
+{
+ struct obd_export *exp = (struct obd_export*)data;
+ LASSERT(exp != NULL);
+ *eof = 1;
+ return snprintf(page, count, "%s\n", obd_export_nid2str(exp));
+}
+
+struct exp_uuid_cb_data {
+ char *page;
+ int count;
+ int *eof;
+ int *len;
+};
+
+void lprocfs_exp_print_uuid(void *obj, void *cb_data)
+{
+ struct obd_export *exp = (struct obd_export *)obj;
+ 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));
+}
+
+int lprocfs_exp_rd_uuid(char *page, char **start, off_t off, int count,
+ int *eof, void *data)
+{
+ struct nid_stat *stats = (struct nid_stat *)data;
+ struct exp_uuid_cb_data cb_data;
+ struct obd_device *obd = stats->nid_obd;
+ int len = 0;
+
+ *eof = 1;
+ page[0] = '\0';
+ LASSERT(obd != NULL);
+
+ cb_data.page = page;
+ cb_data.count = count;
+ cb_data.eof = eof;
+ cb_data.len = &len;
+ lustre_hash_bucket_iterate(obd->obd_nid_hash_body,
+ &stats->nid, lprocfs_exp_print_uuid,
+ &cb_data);
+ return (*cb_data.len);
+}
+
+int lprocfs_nid_stats_clear_read(char *page, char **start, off_t off,
+ int count, int *eof, void *data)
+{
+ *eof = 1;
+ return snprintf(page, count, "%s\n",
+ "Write into this file to clear all nid stats and "
+ "stale nid entries");
+}
+EXPORT_SYMBOL(lprocfs_nid_stats_clear_read);
+
+void lprocfs_nid_stats_clear_write_cb(void *obj, void *data)
+{
+ struct nid_stat *client_stat = obj;
+ int i;
+ if(client_stat->nid_exp_ref_count == 1) {
+ hlist_del_init(&client_stat->nid_hash);
+ lprocfs_free_client_stats(client_stat, data);
+ OBD_FREE(client_stat, sizeof(struct nid_stat));
+ EXIT;
+ return;
+ }
+
+ /* we has reference to object - only clear data*/
+ if (client_stat->nid_stats) {
+ lprocfs_clear_stats(client_stat->nid_stats);
+ }
+ if (client_stat->nid_brw_stats) {
+ for (i = 0; i < BRW_LAST; i++)
+ lprocfs_oh_clear(&client_stat->nid_brw_stats->hist[i]);
+ }
+ EXIT;
+ return;
+}
+
+int lprocfs_nid_stats_clear_write(struct file *file, const char *buffer,
+ unsigned long count, void *data)
+{
+ struct obd_device *obd = (struct obd_device *)data;
+ lustre_hash_iterate_all(obd->obd_nid_stats_hash_body,
+ lprocfs_free_client_stats, NULL);
+ return count;
+}
+EXPORT_SYMBOL(lprocfs_nid_stats_clear_write);
+
+int lprocfs_exp_setup(struct obd_export *exp, lnet_nid_t *nid, int *newnid)
+{
+ int rc = 0;
+ struct nid_stat *tmp = NULL, *tmp1;
+ struct obd_device *obd = NULL;
+ ENTRY;
+
+ *newnid = 0;
+
+ if (!exp || !exp->exp_obd || !exp->exp_obd->obd_proc_exports_entry ||
+ !exp->exp_obd->obd_nid_stats_hash_body)
+ RETURN(-EINVAL);
+
+ /* not test against zero because eric say:
+ * You may only test nid against another nid, or LNET_NID_ANY. Anything else is
+ * nonsense.*/
+ if (!nid || *nid == LNET_NID_ANY)
+ RETURN(0);
+
+ obd = exp->exp_obd;
+
+ CDEBUG(D_CONFIG, "using hash %p\n", obd->obd_nid_stats_hash_body);
+
+ OBD_ALLOC(tmp, sizeof(struct nid_stat));
+ if (tmp == NULL)
+ RETURN(-ENOMEM);
+
+ tmp->nid = *nid;
+ tmp->nid_obd = exp->exp_obd;
+ tmp->nid_exp_ref_count = 1; /* need live in hash after destroy export */
+
+ tmp1= lustre_hash_findadd_unique(obd->obd_nid_stats_hash_body, nid,
+ &tmp->nid_hash);
+ CDEBUG(D_INFO, "Found stats %p for nid %s - ref %d\n",
+ tmp1, libcfs_nid2str(*nid), tmp->nid_exp_ref_count);
+
+ if (tmp1 != tmp) {
+ exp->exp_nid_stats = tmp1;
+ GOTO(destroy_new, rc = 0);
+ }
+ /* not found - create */
+ tmp->nid_proc = lprocfs_register(libcfs_nid2str(*nid),
+ obd->obd_proc_exports_entry, NULL, NULL);
+ if (!tmp->nid_proc) {
+ CERROR("Error making export directory for"
+ " nid %s\n", libcfs_nid2str(*nid));
+ lustre_hash_delitem(obd->obd_nid_stats_hash_body, nid,
+ &tmp->nid_hash);
+ GOTO(destroy_new, rc = -ENOMEM);
+ }
+
+ rc = lprocfs_add_simple(tmp->nid_proc, "uuid",
+ lprocfs_exp_rd_uuid, NULL, tmp);
+ if (rc)
+ CWARN("Error adding the uuid file\n");
+
+ spin_lock(&obd->obd_nid_lock);
+ list_add(&tmp->nid_list, &obd->obd_nid_stats);
+ spin_unlock(&obd->obd_nid_lock);
+
+ exp->exp_nid_stats = tmp;
+ *newnid = 1;
+ RETURN(rc);
+
+destroy_new:
+ OBD_FREE(tmp, sizeof(struct nid_stat));
+ RETURN(rc);
+}
+
+int lprocfs_exp_cleanup(struct obd_export *exp)
+{
+ struct nid_stat *stat = exp->exp_nid_stats;
+
+ if(!stat)
+ RETURN(0);
+
+ stat->nid_exp_ref_count--;
+ CDEBUG(D_INFO, "Put stat %p - %d\n", stat, stat->nid_exp_ref_count);
+
+ exp->exp_nid_stats = NULL;
+ return 0;
+}
+
+int lprocfs_write_helper(const char *buffer, unsigned long count,
+ int *val)
+{
+ return lprocfs_write_frac_helper(buffer, count, val, 1);
+}
+
+int lprocfs_write_frac_helper(const char *buffer, unsigned long count,
+ int *val, int mult)
+{
+ char kernbuf[20], *end, *pbuf;
+
+ if (count > (sizeof(kernbuf) - 1))
+ return -EINVAL;
+
+ if (copy_from_user(kernbuf, buffer, count))
+ return -EFAULT;
+
+ kernbuf[count] = '\0';
+ pbuf = kernbuf;
+ if (*pbuf == '-') {
+ mult = -mult;
+ pbuf++;
+ }
+
+ *val = (int)simple_strtoul(pbuf, &end, 10) * mult;
+ if (pbuf == end)
+ return -EINVAL;
+
+ if (end != NULL && *end == '.') {
+ int temp_val, pow = 1;
+ int i;
+
+ pbuf = end + 1;
+ if (strlen(pbuf) > 5)
+ pbuf[5] = '\0'; /*only allow 5bits fractional*/
+
+ temp_val = (int)simple_strtoul(pbuf, &end, 10) * mult;
+
+ if (pbuf < end) {
+ for (i = 0; i < (end - pbuf); i++)
+ pow *= 10;
+
+ *val += temp_val / pow;
+ }
+ }
+ return 0;
+}
+
+int lprocfs_read_frac_helper(char *buffer, unsigned long count, long val, int mult)
+{
+ long decimal_val, frac_val;
+ int prtn;
+
+ if (count < 10)
+ return -EINVAL;
+
+ decimal_val = val / mult;
+ prtn = snprintf(buffer, count, "%ld", decimal_val);
+ frac_val = val % mult;
+
+ if (prtn < (count - 4) && frac_val > 0) {
+ long temp_frac;
+ int i, temp_mult = 1, frac_bits = 0;
+
+ temp_frac = frac_val * 10;
+ buffer[prtn++] = '.';
+ while (frac_bits < 2 && (temp_frac / mult) < 1 ) { /*only reserved 2bits fraction*/
+ buffer[prtn++] ='0';
+ temp_frac *= 10;
+ frac_bits++;
+ }
+ /*
+ Need to think these cases :
+ 1. #echo x.00 > /proc/xxx output result : x
+ 2. #echo x.0x > /proc/xxx output result : x.0x
+ 3. #echo x.x0 > /proc/xxx output result : x.x
+ 4. #echo x.xx > /proc/xxx output result : x.xx
+ Only reserved 2bits fraction.
+ */
+ for (i = 0; i < (5 - prtn); i++)
+ temp_mult *= 10;
+
+ frac_bits = min((int)count - prtn, 3 - frac_bits);
+ prtn += snprintf(buffer + prtn, frac_bits, "%ld", frac_val * temp_mult / mult);
+
+ prtn--;
+ while(buffer[prtn] < '1' || buffer[prtn] > '9') {
+ prtn--;
+ if (buffer[prtn] == '.') {
+ prtn--;
+ break;
+ }
+ }
+ prtn++;
+ }
+ buffer[prtn++] ='\n';
+ return prtn;
+}
+
+int lprocfs_write_u64_helper(const char *buffer, unsigned long count,__u64 *val)
+{
+ return lprocfs_write_frac_u64_helper(buffer, count, val, 1);
+}
+
+int lprocfs_write_frac_u64_helper(const char *buffer, unsigned long count,
+ __u64 *val, int mult)
+{
+ char kernbuf[22], *end, *pbuf;
+ __u64 whole, frac = 0, units;
+ unsigned frac_d = 1;
+
+ if (count > (sizeof(kernbuf) - 1) )
+ return -EINVAL;
+
+ if (copy_from_user(kernbuf, buffer, count))
+ return -EFAULT;
+
+ kernbuf[count] = '\0';
+ pbuf = kernbuf;
+ if (*pbuf == '-') {
+ mult = -mult;
+ pbuf++;
+ }
+
+ whole = simple_strtoull(pbuf, &end, 10);
+ if (pbuf == end)
+ return -EINVAL;
+
+ if (end != NULL && *end == '.') {
+ int i;
+ pbuf = end + 1;
+
+ /* need to limit frac_d to a __u32 */
+ if (strlen(pbuf) > 10)
+ pbuf[10] = '\0';
+
+ frac = simple_strtoull(pbuf, &end, 10);
+ /* count decimal places */
+ for (i = 0; i < (end - pbuf); i++)
+ frac_d *= 10;
+ }
+
+ units = 1;
+ switch(*end) {
+ case 'p': case 'P':
+ units <<= 10;
+ case 't': case 'T':
+ units <<= 10;
+ case 'g': case 'G':
+ units <<= 10;
+ case 'm': case 'M':
+ units <<= 10;
+ case 'k': case 'K':
+ units <<= 10;
+ }
+ /* Specified units override the multiplier */
+ if (units)
+ mult = mult < 0 ? -units : units;
+
+ frac *= mult;
+ do_div(frac, frac_d);
+ *val = whole * mult + frac;
+ return 0;
+}
+
+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;
+
+ entry = create_proc_entry(name, mode, parent);
+ if (entry == NULL)
+ RETURN(-ENOMEM);
+ entry->proc_fops = seq_fops;
+ entry->data = data;
+
+ RETURN(0);
+}
+EXPORT_SYMBOL(lprocfs_seq_create);
+
+__inline__ int lprocfs_obd_seq_create(struct obd_device *dev, char *name,
+ mode_t mode,
+ struct file_operations *seq_fops,
+ void *data)
+{
+ return (lprocfs_seq_create(dev->obd_proc_entry, name,
+ mode, seq_fops, data));
+}
+EXPORT_SYMBOL(lprocfs_obd_seq_create);
+
+void lprocfs_oh_tally(struct obd_histogram *oh, unsigned int value)
+{
+ if (value >= OBD_HIST_MAX)
+ value = OBD_HIST_MAX - 1;
+
+ spin_lock(&oh->oh_lock);
+ oh->oh_buckets[value]++;
+ spin_unlock(&oh->oh_lock);
+}
+EXPORT_SYMBOL(lprocfs_oh_tally);
+
+void lprocfs_oh_tally_log2(struct obd_histogram *oh, unsigned int value)
+{
+ unsigned int val;
+
+ for (val = 0; ((1 << val) < value) && (val <= OBD_HIST_MAX); val++)
+ ;
+
+ lprocfs_oh_tally(oh, val);
+}
+EXPORT_SYMBOL(lprocfs_oh_tally_log2);
+
+unsigned long lprocfs_oh_sum(struct obd_histogram *oh)
+{
+ unsigned long ret = 0;
+ int i;
+
+ for (i = 0; i < OBD_HIST_MAX; i++)
+ ret += oh->oh_buckets[i];
+ return ret;
+}
+EXPORT_SYMBOL(lprocfs_oh_sum);
+
+void lprocfs_oh_clear(struct obd_histogram *oh)
+{
+ spin_lock(&oh->oh_lock);
+ memset(oh->oh_buckets, 0, sizeof(oh->oh_buckets));
+ spin_unlock(&oh->oh_lock);
+}
+EXPORT_SYMBOL(lprocfs_oh_clear);
+
+int lprocfs_obd_rd_recovery_status(char *page, char **start, off_t off,
+ int count, int *eof, void *data)
+{
+ struct obd_device *obd = data;
+ int len = 0, size;
+
+ LASSERT(obd != NULL);
+ LASSERT(count >= 0);
+
+ /* Set start of user data returned to
+ page + off since the user may have
+ requested to read much smaller than
+ what we need to read */
+ *start = page + off;
+
+ /* We know we are allocated a page here.
+ Also we know that this function will
+ not need to write more than a page
+ so we can truncate at CFS_PAGE_SIZE. */
+ size = min(count + (int)off + 1, (int)CFS_PAGE_SIZE);
+
+ /* Initialize the page */
+ memset(page, 0, size);
+
+ if (lprocfs_obd_snprintf(&page, size, &len, "status: ") <= 0)
+ goto out;
+
+ if (obd->obd_max_recoverable_clients == 0) {
+ if (lprocfs_obd_snprintf(&page, size, &len, "INACTIVE\n") <= 0)
+ goto out;
+
+ goto fclose;
+ }
+
+ /* sampled unlocked, but really... */
+ if (obd->obd_recovering == 0) {
+ if (lprocfs_obd_snprintf(&page, size, &len, "COMPLETE\n") <= 0)
+ goto out;
+
+ if (lprocfs_obd_snprintf(&page, size, &len, "recovery_start: %lu\n",
+ obd->obd_recovery_start) <= 0)
+ goto out;
+
+ if (lprocfs_obd_snprintf(&page, size, &len, "recovery_end: %lu\n",
+ obd->obd_recovery_end) <= 0)
+ goto out;
+
+ /* Number of clients have have completed recovery */
+ if (lprocfs_obd_snprintf(&page, size, &len, "recovered_clients: %d\n",
+ obd->obd_max_recoverable_clients - obd->obd_recoverable_clients) <= 0)
+ goto out;
+
+ if (lprocfs_obd_snprintf(&page, size, &len, "unrecovered_clients: %d\n",
+ obd->obd_recoverable_clients) <= 0)
+ goto out;
+
+ if (lprocfs_obd_snprintf(&page, size, &len, "last_transno: "LPD64"\n",
+ obd->obd_next_recovery_transno - 1) <= 0)
+ goto out;
+
+ lprocfs_obd_snprintf(&page, size, &len, "replayed_requests: %d\n", obd->obd_replayed_requests);
+ goto fclose;
+ }
+
+ if (lprocfs_obd_snprintf(&page, size, &len, "RECOVERING\n") <= 0)
+ goto out;
+
+ if (lprocfs_obd_snprintf(&page, size, &len, "recovery_start: %lu\n",
+ 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)
+ goto out;
+
+ if(lprocfs_obd_snprintf(&page, size, &len, "connected_clients: %d/%d\n",
+ obd->obd_connected_clients,
+ obd->obd_max_recoverable_clients) <= 0)
+ goto out;
+
+ /* Number of clients have have completed recovery */
+ if (lprocfs_obd_snprintf(&page, size, &len, "completed_clients: %d/%d\n",
+ obd->obd_max_recoverable_clients - obd->obd_recoverable_clients,
+ obd->obd_max_recoverable_clients) <= 0)
+ goto out;
+
+ if (lprocfs_obd_snprintf(&page, size, &len, "replayed_requests: %d/??\n",
+ obd->obd_replayed_requests) <= 0)
+ goto out;
+
+ if (lprocfs_obd_snprintf(&page, size, &len, "queued_requests: %d\n",
+ obd->obd_requests_queued_for_recovery) <= 0)
+ goto out;
+
+ if (lprocfs_obd_snprintf(&page, size, &len, "next_transno: "LPD64"\n",
+ obd->obd_next_recovery_transno) <= 0)
+ goto out;
+
+fclose:
+ *eof = 1;
+out:
+ return min(count, len - (int)off);
+}
+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)
+{
+ struct obd_device *obd = (struct obd_device *)data;
+ LASSERT(obd != NULL);
+
+ return snprintf(page, count, "%lu\n",
+ obd->obd_recovery_max_time);
+}
+EXPORT_SYMBOL(lprocfs_obd_rd_recovery_maxtime);
+
+int lprocfs_obd_wr_recovery_maxtime(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_max_time = val;
+ return count;
+}
+EXPORT_SYMBOL(lprocfs_obd_wr_recovery_maxtime);
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_attach);
-EXPORT_SYMBOL(lprocfs_obd_detach);
+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_alloc_obd_stats);
EXPORT_SYMBOL(lprocfs_free_obd_stats);
+EXPORT_SYMBOL(lprocfs_exp_setup);
+EXPORT_SYMBOL(lprocfs_exp_cleanup);
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_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_filegroups);
+
+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);
+#endif /* LPROCFS*/
git://git.whamcloud.com / fs / lustre-release.git / blobdiff