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- landing of b_fid after merge with b_hd_cleanup_merge.
[fs/lustre-release.git] / lustre / obdclass / lprocfs_status.c
index 4862cf3..8c2e1b1 100644 (file)
  *   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  */
 
-#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>
+#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>
+# endif
+# include <linux/seq_file.h>
+# include <asm/div64.h>
+#else /* __KERNEL__ */
+# include <liblustre.h>
 #endif
 
 #include <linux/obd_class.h>
 #include <linux/lprocfs_status.h>
+#include <linux/lustre_fsfilt.h>
 
-#ifdef LPROCFS
-
+#if defined(LPROCFS) && defined(__KERNEL__)
 struct proc_dir_entry *lprocfs_srch(struct proc_dir_entry *head,
                                     const char *name)
 {
-        struct proc_dir_entrytemp;
+        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;
@@ -61,30 +64,33 @@ struct proc_dir_entry *lprocfs_srch(struct proc_dir_entry *head,
 }
 
 /* lprocfs API calls */
-
 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;
 
@@ -92,20 +98,23 @@ int lprocfs_add_vars(struct proc_dir_entry *root, struct lprocfs_vars *list,
                         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) {
-                                mode_t mode = 0444;
+                                            proc_mkdir(cur, cur_root));
+                        } else if (proc == NULL) {
+                                mode_t mode = 0;
+                                if (list->read_fptr)
+                                        mode = 0444;
                                 if (list->write_fptr)
-                                        mode = 0644;
+                                        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;
@@ -119,7 +128,7 @@ int lprocfs_add_vars(struct proc_dir_entry *root, struct lprocfs_vars *list,
         return 0;
 }
 
-void lprocfs_remove(struct proc_dir_entryroot)
+void lprocfs_remove(struct proc_dir_entry *root)
 {
         struct proc_dir_entry *temp = root;
         struct proc_dir_entry *rm_entry;
@@ -128,13 +137,20 @@ void lprocfs_remove(struct proc_dir_entry* root)
         LASSERT(root != 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;
+
+                /* 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));
+
                 remove_proc_entry(rm_entry->name, rm_entry->parent);
                 if (temp == parent)
                         break;
@@ -148,14 +164,14 @@ struct proc_dir_entry *lprocfs_register(const char *name,
         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);
@@ -175,10 +191,10 @@ int lprocfs_rd_u64(char *page, char **start, off_t off,
         return snprintf(page, count, LPU64"\n", *(__u64 *)data);
 }
 
-int lprocfs_rd_uuid(charpage, char **start, off_t off, int count,
+int lprocfs_rd_uuid(char *page, char **start, off_t off, int count,
                     int *eof, void *data)
 {
-        struct obd_devicedev = (struct obd_device*)data;
+        struct obd_device *dev = (struct obd_device*)data;
 
         LASSERT(dev != NULL);
         *eof = 1;
@@ -186,9 +202,9 @@ int lprocfs_rd_uuid(char* page, char **start, off_t off, int count,
 }
 
 int lprocfs_rd_name(char *page, char **start, off_t off, int count,
-                    int *eof, void *data)
+                    int *eof, voiddata)
 {
-        struct obd_devicedev = (struct obd_device *)data;
+        struct obd_device *dev = (struct obd_device *)data;
 
         LASSERT(dev != NULL);
         LASSERT(dev->obd_name != NULL);
@@ -196,82 +212,121 @@ int lprocfs_rd_name(char *page, char **start, off_t off, int count,
         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;
+        struct obd_statfs osfs;
+        int rc = obd_statfs(data, &osfs, jiffies - HZ);
+        if (!rc) {
+                *eof = 1;
+                rc = snprintf(page, count, "%u\n", osfs.os_bsize);
+        }
+        return rc;
+}
 
-        LASSERT(sfs != NULL);
-        blk_size = sfs->f_bsize >> 10;
-        result = sfs->f_blocks;
+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, jiffies - HZ);
+        if (!rc) {
+                __u32 blk_size = osfs.os_bsize >> 10;
+                __u64 result = osfs.os_blocks;
 
-        while (blk_size >>= 1)
-                result <<= 1;
+                while (blk_size >>= 1)
+                        result <<= 1;
 
-        *eof = 1;
-        return snprintf(page, count, LPU64"\n", result);
+                *eof = 1;
+                rc = snprintf(page, count, LPU64"\n", result);
+        }
+        return rc;
 }
 
-int lprocfs_rd_kbytesfree(charpage, char **start, off_t off, int count,
-                          int *eof, struct statfs *sfs)
+int lprocfs_rd_kbytesfree(char *page, char **start, off_t off, int count,
+                          int *eof, void *data)
 {
-        __u32 blk_size;
-        __u64 result;
+        struct obd_statfs osfs;
+        int rc = obd_statfs(data, &osfs, jiffies - HZ);
+        if (!rc) {
+                __u32 blk_size = osfs.os_bsize >> 10;
+                __u64 result = osfs.os_bfree;
 
-        LASSERT(sfs != NULL);
-        blk_size = sfs->f_bsize >> 10;
-        result = sfs->f_bfree;
+                while (blk_size >>= 1)
+                        result <<= 1;
 
-        while (blk_size >>= 1)
-                result <<= 1;
-
-        *eof = 1;
-        return snprintf(page, count, LPU64"\n", result);
+                *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, jiffies - HZ);
+        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, jiffies - HZ);
+        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, jiffies - HZ);
+        if (!rc) {
+                *eof = 1;
+                rc = snprintf(page, count, LPU64"\n", osfs.os_ffree);
+        }
+        return rc;
 }
 
-int lprocfs_rd_server_uuid(charpage, 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;
 
         LASSERT(obd != NULL);
-        cli = &obd->u.cli;
+        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);
+        return snprintf(page, count, "%s\t%s\n",
+                        imp->imp_target_uuid.uuid, imp_state_name);
 }
 
 int lprocfs_rd_conn_uuid(char *page, char **start, off_t off, int count,
@@ -287,10 +342,20 @@ int lprocfs_rd_conn_uuid(char *page, char **start, off_t off, int count,
         return snprintf(page, count, "%s\n", conn->c_remote_uuid.uuid);
 }
 
+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_typeclass = (struct obd_type*) data;
+        struct obd_type *class = (struct obd_type*) data;
 
         LASSERT(class != NULL);
         *eof = 1;
@@ -334,21 +399,21 @@ struct lprocfs_stats *lprocfs_alloc_stats(unsigned int num)
         if (num == 0)
                 return NULL;
 
-        OBD_ALLOC(stats, offsetof(typeof(*stats), ls_percpu[smp_num_cpus]));
+        OBD_ALLOC(stats, offsetof(typeof(*stats), ls_percpu[num_online_cpus()]));
         if (stats == NULL)
                 return NULL;
 
         percpusize = L1_CACHE_ALIGN(offsetof(typeof(*percpu), lp_cntr[num]));
-        stats->ls_percpu_size = smp_num_cpus * percpusize;
+        stats->ls_percpu_size = num_online_cpus() * percpusize;
         OBD_ALLOC(stats->ls_percpu[0], stats->ls_percpu_size);
         if (stats->ls_percpu[0] == NULL) {
                 OBD_FREE(stats, offsetof(typeof(*stats),
-                                         ls_percpu[smp_num_cpus]));
+                                         ls_percpu[num_online_cpus()]));
                 return NULL;
         }
 
         stats->ls_num = num;
-        for (i = 1; i < smp_num_cpus; i++)
+        for (i = 1; i < num_online_cpus(); i++)
                 stats->ls_percpu[i] = (void *)(stats->ls_percpu[i - 1]) +
                         percpusize;
 
@@ -361,7 +426,7 @@ void lprocfs_free_stats(struct lprocfs_stats *stats)
                 return;
 
         OBD_FREE(stats->ls_percpu[0], stats->ls_percpu_size);
-        OBD_FREE(stats, offsetof(typeof(*stats), ls_percpu[smp_num_cpus]));
+        OBD_FREE(stats, offsetof(typeof(*stats), ls_percpu[num_online_cpus()]));
 }
 
 /* Reset counter under lock */
@@ -410,17 +475,18 @@ static int lprocfs_stats_seq_show(struct seq_file *p, void *v)
        }
        idx = cntr - &(stats->ls_percpu[0])->lp_cntr[0];
 
-       for (i = 0; i < smp_num_cpus; i++) {
+       for (i = 0; i < num_online_cpus(); 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;
@@ -453,15 +519,15 @@ static int lprocfs_stats_seq_show(struct seq_file *p, void *v)
 }
 
 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;
 
@@ -474,13 +540,14 @@ static int lprocfs_stats_seq_open(struct inode *inode, struct file *file)
 }
 
 struct file_operations lprocfs_stats_seq_fops = {
+        .owner   = THIS_MODULE,
         .open    = lprocfs_stats_seq_open,
         .read    = seq_read,
         .llseek  = seq_lseek,
         .release = seq_release,
 };
 
-int lprocfs_register_stats(struct proc_dir_entry *root, const charname,
+int lprocfs_register_stats(struct proc_dir_entry *root, const char *name,
                            struct lprocfs_stats *stats)
 {
         struct proc_dir_entry *entry;
@@ -502,7 +569,7 @@ void lprocfs_counter_init(struct lprocfs_stats *stats, int index,
         int i;
 
         LASSERT(stats != NULL);
-        for (i = 0; i < smp_num_cpus; i++) {
+        for (i = 0; i < num_online_cpus(); i++) {
                 c = &(stats->ls_percpu[i]->lp_cntr[index]);
                 c->lc_config = conf;
                 c->lc_min = ~(__u64)0;
@@ -515,7 +582,7 @@ 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)
 
@@ -529,10 +596,10 @@ int lprocfs_alloc_obd_stats(struct obd_device *obd, unsigned num_private_stats)
         LASSERT(obd->obd_proc_entry != NULL);
         LASSERT(obd->obd_cntr_base == 0);
 
-        num_stats = 1 + OBD_COUNTER_OFFSET(destroy_export) +
+        num_stats = 1 + OBD_COUNTER_OFFSET(init_ea_size) +
                 num_private_stats;
         stats = lprocfs_alloc_stats(num_stats);
-        if (!stats)
+        if (stats == NULL)
                 return -ENOMEM;
 
         LPROCFS_OBD_OP_INIT(num_private_stats, stats, iocontrol);
@@ -541,23 +608,33 @@ int lprocfs_alloc_obd_stats(struct obd_device *obd, unsigned num_private_stats)
         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, connect_post);
         LPROCFS_OBD_OP_INIT(num_private_stats, stats, disconnect);
         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, packmd);
         LPROCFS_OBD_OP_INIT(num_private_stats, stats, unpackmd);
+        LPROCFS_OBD_OP_INIT(num_private_stats, stats, revalidate_md);
         LPROCFS_OBD_OP_INIT(num_private_stats, stats, preallocate);
         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, 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, set_async_flags);
+        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, teardown_async_page);
         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);
@@ -565,20 +642,37 @@ int lprocfs_alloc_obd_stats(struct obd_device *obd, unsigned num_private_stats)
         LPROCFS_OBD_OP_INIT(num_private_stats, stats, iterate);
         LPROCFS_OBD_OP_INIT(num_private_stats, stats, preprw);
         LPROCFS_OBD_OP_INIT(num_private_stats, stats, commitrw);
+        LPROCFS_OBD_OP_INIT(num_private_stats, stats, do_cow);
+        LPROCFS_OBD_OP_INIT(num_private_stats, stats, write_extents);
         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, init_export);
         LPROCFS_OBD_OP_INIT(num_private_stats, stats, destroy_export);
+        LPROCFS_OBD_OP_INIT(num_private_stats, stats, llog_init); 
+        LPROCFS_OBD_OP_INIT(num_private_stats, stats, llog_finish); 
+        LPROCFS_OBD_OP_INIT(num_private_stats, stats, llog_connect); 
+        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, getready);
+        LPROCFS_OBD_OP_INIT(num_private_stats, stats, init_ea_size);
 
         for (i = num_private_stats; i < num_stats; i++) {
-                /* If this assertion failed, it is likely that an obd
-                 * operation was added to struct obd_ops in
-                 * <linux/obd.h>, and that the corresponding line item
-                 * LPROCFS_OBD_OP_INIT(.., .., opname)
+                /* 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 LPROCFS_OBD_OP_INIT(.., .., opname)
                  * is missing from the list above. */
-                LASSERT(&(stats->ls_percpu[0])->lp_cntr[i].lc_name != NULL);
+                if (stats->ls_percpu[0]->lp_cntr[i].lc_name == NULL) {
+                        CERROR("Missing obd_stat initializer obd_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) {
@@ -600,6 +694,219 @@ void lprocfs_free_obd_stats(struct obd_device *obd)
         }
 }
 
+int lprocfs_write_helper(const char *buffer, unsigned long count,
+                         int *val)
+{
+        char kernbuf[20], *end;
+
+        if (count > (sizeof(kernbuf) - 1))
+                return -EINVAL;
+
+        if (copy_from_user(kernbuf, buffer, count))
+                return -EFAULT;
+
+        kernbuf[count] = '\0';
+
+        *val = simple_strtol(kernbuf, &end, 0);
+        if (kernbuf == end)
+                return -EINVAL;
+
+        return 0;
+}
+
+int lprocfs_write_u64_helper(const char *buffer, unsigned long count,
+                             __u64 *val)
+{
+        char kernbuf[22], *end;
+
+        if (count > (sizeof(kernbuf) - 1))
+                return -EINVAL;
+
+        if (copy_from_user(kernbuf, buffer, count))
+                return -EFAULT;
+
+        kernbuf[count] = '\0';
+
+        *val = simple_strtoull(kernbuf, &end, 0);
+        if (kernbuf == end)
+                return -EINVAL;
+
+        return 0;
+}
+
+int lprocfs_obd_seq_create(struct obd_device *dev, char *name, mode_t mode,
+                           struct file_operations *seq_fops, void *data)
+{
+        struct proc_dir_entry *entry;
+        ENTRY;
+
+        entry = create_proc_entry(name, mode, dev->obd_proc_entry);
+        if (entry == NULL)
+                RETURN(-ENOMEM);
+        entry->proc_fops = seq_fops;
+        entry->data = data;
+
+        RETURN(0);
+}
+EXPORT_SYMBOL(lprocfs_obd_seq_create);
+
+void lprocfs_oh_tally(struct obd_histogram *oh, unsigned int value)
+{
+        unsigned long flags;
+
+        if (value >= OBD_HIST_MAX)
+                value = OBD_HIST_MAX - 1;
+
+        spin_lock_irqsave(&oh->oh_lock, flags);
+        oh->oh_buckets[value]++;
+        spin_unlock_irqrestore(&oh->oh_lock, flags);
+}
+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)
+{
+        unsigned long flags;
+        spin_lock_irqsave(&oh->oh_lock, flags);
+        memset(oh->oh_buckets, 0, sizeof(oh->oh_buckets));
+        spin_unlock_irqrestore(&oh->oh_lock, flags);
+}
+EXPORT_SYMBOL(lprocfs_oh_clear);
+
+/* XXX copied from ldlm/ldlm_lockd.c, copied from ptlrpc/service.c */
+static long timeval_sub(struct timeval *large, struct timeval *small)
+{
+        return ((large->tv_sec - small->tv_sec) * 1000000) +
+                (large->tv_usec - small->tv_usec);
+}
+void lprocfs_stime_record(struct obd_service_time *stime, struct timeval *large,
+                          struct timeval *small)
+{
+        long diff = timeval_sub(large, small);
+
+        if (diff < 0)
+                return;
+
+        stime->st_num++;
+        stime->st_total_us += diff;
+}
+EXPORT_SYMBOL(lprocfs_stime_record);
+
+unsigned long lprocfs_stime_avg_ms(struct obd_service_time *stime)
+{
+        struct obd_service_time copy;
+
+        memcpy(&copy, stime, sizeof(copy));
+        if (copy.st_num > 0) {
+                do_div(copy.st_total_us, copy.st_num * 1000);
+                return (unsigned long)copy.st_total_us;
+        }
+        return 0;
+}
+EXPORT_SYMBOL(lprocfs_stime_avg_ms);
+
+unsigned long lprocfs_stime_avg_us(struct obd_service_time *stime)
+{
+        struct obd_service_time copy;
+        __u32 remainder;
+
+        memcpy(&copy, stime, sizeof(copy));
+        if (copy.st_num > 0) {
+                do_div(copy.st_total_us, copy.st_num);
+                remainder = do_div(copy.st_total_us, 1000);
+                return (unsigned long)remainder;
+        }
+        return 0;
+}
+EXPORT_SYMBOL(lprocfs_stime_avg_us);
+
+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, n,
+                connected = obd->obd_connected_clients,
+                max_recoverable = obd->obd_max_recoverable_clients,
+                recoverable = obd->obd_recoverable_clients,
+                completed = max_recoverable - recoverable,
+                queue_len = obd->obd_requests_queued_for_recovery,
+                replayed = obd->obd_replayed_requests;
+        __u64 next_transno = obd->obd_next_recovery_transno;
+
+        LASSERT(obd != NULL);
+        *eof = 1;
+
+        n = snprintf(page, count, "status: ");
+        page += n; len += n; count -= n;
+        if (obd->obd_max_recoverable_clients == 0) {
+                n = snprintf(page, count, "INACTIVE\n");
+                return len + n;
+        }
+
+        /* sampled unlocked, but really... */
+        if (obd->obd_recovering == 0) {
+                n = snprintf(page, count, "COMPLETE\n");
+                page += n; len += n; count -= n;
+
+                n = snprintf(page, count, "recovery_start: %lu\n",
+                             obd->obd_recovery_start);
+                page += n; len += n; count -= n;
+                n = snprintf(page, count, "recovery_end: %lu\n",
+                             obd->obd_recovery_end);
+                page += n; len += n; count -= n;
+                n = snprintf(page, count, "recovered_clients: %d\n",
+                             completed);
+                page += n; len += n; count -= n;
+                n = snprintf(page, count, "unrecovered_clients: %d\n",
+                             obd->obd_recoverable_clients);
+                page += n; len += n; count -= n;
+                n = snprintf(page, count, "last_transno: "LPD64"\n",
+                             next_transno - 1);
+                page += n; len += n; count -= n;
+                n = snprintf(page, count, "replayed_requests: %d\n", replayed);
+                return len + n;
+        }
+
+        n = snprintf(page, count, "RECOVERING\n");
+        page += n; len += n; count -= n;
+        n = snprintf(page, count, "recovery_start: %lu\n",
+                     obd->obd_recovery_start);
+        page += n; len += n; count -= n;
+        n = snprintf(page, count, "connected_clients: %d/%d\n",
+                     connected, max_recoverable);
+        page += n; len += n; count -= n;
+        n = snprintf(page, count, "completed_clients: %d/%d\n",
+                     completed, max_recoverable);
+        page += n; len += n; count -= n;
+        n = snprintf(page, count, "replayed_requests: %d/??\n", replayed);
+        page += n; len += n; count -= n;
+        n = snprintf(page, count, "queued_requests: %d\n", queue_len);
+        page += n; len += n; count -= n;
+        n = snprintf(page, count, "next_transno: "LPD64"\n", next_transno);
+        return len + n;
+}
+EXPORT_SYMBOL(lprocfs_obd_rd_recovery_status);
 #endif /* LPROCFS*/
 
 EXPORT_SYMBOL(lprocfs_register);
@@ -617,13 +924,18 @@ EXPORT_SYMBOL(lprocfs_free_obd_stats);
 EXPORT_SYMBOL(lprocfs_rd_u64);
 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_u64_helper);