* Copyright (c) 2002, 2010, Oracle and/or its affiliates. All rights reserved.
* Use is subject to license terms.
*
- * Copyright (c) 2011, 2012, Intel Corporation.
+ * Copyright (c) 2011, 2013, Intel Corporation.
*/
/*
* This file is part of Lustre, http://www.lustre.org/
#include <obd_class.h>
#include <lprocfs_status.h>
-#include <lustre_fsfilt.h>
-#include <lustre_log.h>
-#include <lustre_disk.h>
#include <lustre/lustre_idl.h>
-#include <dt_object.h>
#if defined(LPROCFS)
struct obd_device *dev = data;
LASSERT(dev != NULL);
- LASSERT(dev->obd_name != NULL);
*eof = 1;
return snprintf(page, count, "%s\n", dev->obd_name);
}
}
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)
{
}
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)
{
}
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)
{
}
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)
{
}
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)
{
}
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)
{
/** add up per-cpu counters */
void lprocfs_stats_collect(struct lprocfs_stats *stats, int idx,
- struct lprocfs_counter *cnt)
+ struct lprocfs_counter *cnt)
{
- struct lprocfs_counter *ptr;
- unsigned int num_entry;
- int i;
- unsigned long flags = 0;
+ unsigned int num_entry;
+ struct lprocfs_counter *percpu_cntr;
+ struct lprocfs_counter_header *cntr_header;
+ int i;
+ unsigned long flags = 0;
memset(cnt, 0, sizeof(*cnt));
for (i = 0; i < num_entry; i++) {
if (stats->ls_percpu[i] == NULL)
continue;
-
- ptr = &(stats->ls_percpu[i])->lp_cntr[idx];
- cnt->lc_count += ptr->lc_count;
- cnt->lc_sum += ptr->lc_sum;
- if (ptr->lc_min < cnt->lc_min)
- cnt->lc_min = ptr->lc_min;
- if (ptr->lc_max > cnt->lc_max)
- cnt->lc_max = ptr->lc_max;
- cnt->lc_sumsquare += ptr->lc_sumsquare;
+ cntr_header = &stats->ls_cnt_header[idx];
+ percpu_cntr = lprocfs_stats_counter_get(stats, i, idx);
+
+ cnt->lc_count += percpu_cntr->lc_count;
+ cnt->lc_sum += percpu_cntr->lc_sum;
+ if (percpu_cntr->lc_min < cnt->lc_min)
+ cnt->lc_min = percpu_cntr->lc_min;
+ if (percpu_cntr->lc_max > cnt->lc_max)
+ cnt->lc_max = percpu_cntr->lc_max;
+ cnt->lc_sumsquare += percpu_cntr->lc_sumsquare;
}
- 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);
"nanoseconds_times",
"lightweight_conn",
"short_io",
+ "pingless",
"unknown",
NULL
};
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;
+ struct lprocfs_counter ret;
+ struct lprocfs_counter_header *header;
+ struct obd_device *obd = (struct obd_device *)data;
+ struct obd_import *imp;
+ struct obd_import_conn *conn;
+ int i;
+ int j;
+ int k;
+ int rw = 0;
LASSERT(obd != NULL);
LPROCFS_CLIMP_CHECK(obd);
cfs_atomic_read(&imp->imp_inval_count));
spin_unlock(&imp->imp_lock);
+ if (obd->obd_svc_stats == NULL)
+ goto out_climp;
+
+ header = &obd->obd_svc_stats->ls_cnt_header[PTLRPC_REQWAIT_CNTR];
lprocfs_stats_collect(obd->obd_svc_stats, PTLRPC_REQWAIT_CNTR, &ret);
if (ret.lc_count != 0) {
/* first argument to do_div MUST be __u64 */
cfs_atomic_read(&imp->imp_inflight),
cfs_atomic_read(&imp->imp_unregistering),
cfs_atomic_read(&imp->imp_timeouts),
- ret.lc_sum, ret.lc_units);
+ ret.lc_sum, header->lc_units);
k = 0;
for(j = 0; j < IMP_AT_MAX_PORTALS; j++) {
}
k = (int)ret.lc_sum;
j = opcode_offset(OST_READ + rw) + EXTRA_MAX_OPCODES;
+ header = &obd->obd_svc_stats->ls_cnt_header[j];
lprocfs_stats_collect(obd->obd_svc_stats, j, &ret);
if (ret.lc_sum > 0 && ret.lc_count != 0) {
/* first argument to do_div MUST be __u64 */
ret.lc_sum = sum;
i += snprintf(page + i, count - i,
" %s_per_rpc: "LPU64"\n",
- ret.lc_units, ret.lc_sum);
+ header->lc_units, ret.lc_sum);
j = (int)ret.lc_sum;
if (j > 0)
i += snprintf(page + i, count - i,
}
}
+out_climp:
LPROCFS_CLIMP_EXIT(obd);
return i;
}
static void lprocfs_free_client_stats(struct nid_stat *client_stat)
{
- 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);
+ CDEBUG(D_CONFIG, "stat %p - data %p/%p\n", client_stat,
+ client_stat->nid_proc, client_stat->nid_stats);
LASSERTF(cfs_atomic_read(&client_stat->nid_exp_ref_count) == 0,
"nid %s:count %d\n", libcfs_nid2str(client_stat->nid),
if (client_stat->nid_stats)
lprocfs_free_stats(&client_stat->nid_stats);
- if (client_stat->nid_brw_stats)
- OBD_FREE_PTR(client_stat->nid_brw_stats);
-
if (client_stat->nid_ldlm_stats)
lprocfs_free_stats(&client_stat->nid_ldlm_stats);
struct lprocfs_stats *lprocfs_alloc_stats(unsigned int num,
enum lprocfs_stats_flags flags)
{
- struct lprocfs_stats *stats;
- unsigned int percpusize;
- unsigned int num_entry;
+ struct lprocfs_stats *stats;
+ unsigned int num_entry;
+ unsigned int percpusize = 0;
+ int i;
if (num == 0)
return NULL;
if (flags & LPROCFS_STATS_FLAG_NOPERCPU)
num_entry = 1;
else
- num_entry = cfs_num_possible_cpus() + 1;
+ num_entry = cfs_num_possible_cpus();
/* alloc percpu pointers for all possible cpu slots */
- OBD_ALLOC(stats, offsetof(struct lprocfs_stats, ls_percpu[num_entry]));
+ LIBCFS_ALLOC(stats, offsetof(typeof(*stats), ls_percpu[num_entry]));
if (stats == NULL)
return NULL;
stats->ls_num = num;
- stats->ls_biggest_alloc_num = 1;
stats->ls_flags = flags;
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;
+ /* alloc num of counter headers */
+ LIBCFS_ALLOC(stats->ls_cnt_header,
+ stats->ls_num * sizeof(struct lprocfs_counter_header));
+ if (stats->ls_cnt_header == NULL)
+ goto fail;
+
+ if ((flags & LPROCFS_STATS_FLAG_NOPERCPU) != 0) {
+ /* contains only one set counters */
+ percpusize = lprocfs_stats_counter_size(stats);
+ LIBCFS_ALLOC_ATOMIC(stats->ls_percpu[0], percpusize);
+ if (stats->ls_percpu[0] == NULL)
+ goto fail;
+ stats->ls_biggest_alloc_num = 1;
+ } else if ((flags & LPROCFS_STATS_FLAG_IRQ_SAFE) != 0) {
+ /* alloc all percpu data, currently only obd_memory use this */
+ for (i = 0; i < num_entry; ++i)
+ if (lprocfs_stats_alloc_one(stats, i) < 0)
+ goto fail;
}
+
return stats;
+
+fail:
+ lprocfs_free_stats(&stats);
+ return NULL;
}
EXPORT_SYMBOL(lprocfs_alloc_stats);
if (stats->ls_flags & LPROCFS_STATS_FLAG_NOPERCPU)
num_entry = 1;
else
- num_entry = cfs_num_possible_cpus() + 1;
+ num_entry = cfs_num_possible_cpus();
- percpusize = offsetof(struct lprocfs_percpu, lp_cntr[stats->ls_num]);
- if (num_entry > 1)
- percpusize = CFS_L1_CACHE_ALIGN(percpusize);
+ percpusize = lprocfs_stats_counter_size(stats);
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]));
+ LIBCFS_FREE(stats->ls_percpu[i], percpusize);
+ if (stats->ls_cnt_header != NULL)
+ LIBCFS_FREE(stats->ls_cnt_header, stats->ls_num *
+ sizeof(struct lprocfs_counter_header));
+ LIBCFS_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;
- int j;
- unsigned int num_entry;
- unsigned long flags = 0;
+ struct lprocfs_counter *percpu_cntr;
+ struct lprocfs_counter_header *header;
+ int i;
+ int j;
+ unsigned int num_entry;
+ unsigned long flags = 0;
num_entry = lprocfs_stats_lock(stats, LPROCFS_GET_NUM_CPU, &flags);
if (stats->ls_percpu[i] == NULL)
continue;
for (j = 0; j < stats->ls_num; j++) {
- percpu_cntr = &(stats->ls_percpu[i])->lp_cntr[j];
- 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;
+ header = &stats->ls_cnt_header[j];
+ percpu_cntr = lprocfs_stats_counter_get(stats, i, j);
+ percpu_cntr->lc_count = 0;
+ percpu_cntr->lc_min = LC_MIN_INIT;
+ percpu_cntr->lc_max = 0;
+ percpu_cntr->lc_sumsquare = 0;
+ percpu_cntr->lc_sum = 0;
+ if (stats->ls_flags & LPROCFS_STATS_FLAG_IRQ_SAFE)
+ percpu_cntr->lc_sum_irq = 0;
}
}
static void *lprocfs_stats_seq_start(struct seq_file *p, loff_t *pos)
{
- struct lprocfs_stats *stats = p->private;
- /* return 1st cpu location */
- return (*pos >= stats->ls_num) ? NULL :
- &(stats->ls_percpu[0]->lp_cntr[*pos]);
+ struct lprocfs_stats *stats = p->private;
+
+ return (*pos < stats->ls_num) ? pos : NULL;
}
static void lprocfs_stats_seq_stop(struct seq_file *p, void *v)
static void *lprocfs_stats_seq_next(struct seq_file *p, void *v, loff_t *pos)
{
- struct lprocfs_stats *stats = p->private;
- ++*pos;
- return (*pos >= stats->ls_num) ? NULL :
- &(stats->ls_percpu[0]->lp_cntr[*pos]);
+ (*pos)++;
+
+ return lprocfs_stats_seq_start(p, pos);
}
/* seq file export of one lprocfs counter */
static int lprocfs_stats_seq_show(struct seq_file *p, void *v)
{
- struct lprocfs_stats *stats = p->private;
- struct lprocfs_counter *cntr = v;
- struct lprocfs_counter ret;
- int idx, rc = 0;
-
- if (cntr == &(stats->ls_percpu[0])->lp_cntr[0]) {
- struct timeval 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)
- return rc;
- }
- idx = cntr - &(stats->ls_percpu[0])->lp_cntr[0];
-
- lprocfs_stats_collect(stats, idx, &ret);
-
- if (ret.lc_count == 0)
- goto out;
-
- 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, " "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, " "LPD64, ret.lc_sumsquare);
- if (rc < 0)
- goto out;
- }
- rc = seq_printf(p, "\n");
- out:
- return (rc < 0) ? rc : 0;
+ struct lprocfs_stats *stats = p->private;
+ struct lprocfs_counter_header *hdr;
+ struct lprocfs_counter ctr;
+ int idx = *(loff_t *)v;
+ int rc = 0;
+
+ if (idx == 0) {
+ struct timeval 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)
+ return rc;
+ }
+
+ hdr = &stats->ls_cnt_header[idx];
+ lprocfs_stats_collect(stats, idx, &ctr);
+
+ if (ctr.lc_count == 0)
+ goto out;
+
+ rc = seq_printf(p, "%-25s "LPD64" samples [%s]", hdr->lc_name,
+ ctr.lc_count, hdr->lc_units);
+ if (rc < 0)
+ goto out;
+
+ if ((hdr->lc_config & LPROCFS_CNTR_AVGMINMAX) && ctr.lc_count > 0) {
+ rc = seq_printf(p, " "LPD64" "LPD64" "LPD64,
+ ctr.lc_min, ctr.lc_max, ctr.lc_sum);
+ if (rc < 0)
+ goto out;
+ if (hdr->lc_config & LPROCFS_CNTR_STDDEV)
+ rc = seq_printf(p, " "LPD64, ctr.lc_sumsquare);
+ if (rc < 0)
+ goto out;
+ }
+ rc = seq_printf(p, "\n");
+out:
+ return (rc < 0) ? rc : 0;
}
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)
void lprocfs_counter_init(struct lprocfs_stats *stats, int index,
unsigned conf, const char *name, const char *units)
{
- struct lprocfs_counter *c = &(stats->ls_percpu[0]->lp_cntr[index]);
- unsigned long flags = 0;
+ struct lprocfs_counter_header *header;
+ struct lprocfs_counter *percpu_cntr;
+ unsigned long flags = 0;
+ unsigned int i;
+ unsigned int num_cpu;
LASSERT(stats != NULL);
- LASSERT(stats->ls_percpu[0] != NULL);
-
- 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;
+
+ header = &stats->ls_cnt_header[index];
+ LASSERTF(header != NULL, "Failed to allocate stats header:[%d]%s/%s\n",
+ index, name, units);
+
+ header->lc_config = conf;
+ header->lc_name = name;
+ header->lc_units = units;
+
+ num_cpu = lprocfs_stats_lock(stats, LPROCFS_GET_NUM_CPU, &flags);
+ for (i = 0; i < num_cpu; ++i) {
+ if (stats->ls_percpu[i] == NULL)
+ continue;
+ percpu_cntr = lprocfs_stats_counter_get(stats, i, index);
+ percpu_cntr->lc_count = 0;
+ percpu_cntr->lc_min = LC_MIN_INIT;
+ percpu_cntr->lc_max = 0;
+ percpu_cntr->lc_sumsquare = 0;
+ percpu_cntr->lc_sum = 0;
+ if ((stats->ls_flags & LPROCFS_STATS_FLAG_IRQ_SAFE) != 0)
+ percpu_cntr->lc_sum_irq = 0;
+ }
lprocfs_stats_unlock(stats, LPROCFS_GET_NUM_CPU, &flags);
}
EXPORT_SYMBOL(lprocfs_counter_init);
* <obd.h>, and that the corresponding line item
* LPROCFS_OBD_OP_INIT(.., .., opname)
* is missing from the list above. */
- LASSERTF(stats->ls_percpu[0]->lp_cntr[i].lc_name != NULL,
+ LASSERTF(stats->ls_cnt_header[i].lc_name != NULL,
"Missing obd_stat initializer obd_op "
"operation at offset %d.\n", i - num_private_stats);
}
void lprocfs_init_mps_stats(int num_private_stats, struct lprocfs_stats *stats)
{
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, null_inode);
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_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) {
+ if (stats->ls_cnt_header[i].lc_name == NULL) {
CERROR("Missing md_stat initializer md_op "
"operation at offset %d. Aborting.\n",
i - num_private_stats);
static int lprocfs_nid_stats_clear_write_cb(void *obj, void *data)
{
struct nid_stat *stat = obj;
- int i;
ENTRY;
CDEBUG(D_INFO,"refcnt %d\n", cfs_atomic_read(&stat->nid_exp_ref_count));
if (stat->nid_stats)
lprocfs_clear_stats(stat->nid_stats);
- if (stat->nid_brw_stats) {
- for (i = 0; i < BRW_LAST; i++)
- lprocfs_oh_clear(&stat->nid_brw_stats->hist[i]);
- }
RETURN(0);
}
}
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;
- struct lustre_mount_info *lmi;
- const char *dev_name;
-
- LASSERT(obd != NULL);
- lmi = server_get_mount_2(obd->obd_name);
- dev_name = get_mntdev_name(lmi->lmi_sb);
- LASSERT(dev_name != NULL);
- *eof = 1;
- server_put_mount_2(obd->obd_name, lmi->lmi_mnt);
- return snprintf(page, count, "%s\n", dev_name);
-}
-EXPORT_SYMBOL(lprocfs_obd_rd_mntdev);
-
int lprocfs_obd_rd_max_pages_per_rpc(char *page, char **start, off_t off,
int count, int *eof, void *data)
{