* Copyright (c) 2002, 2010, Oracle and/or its affiliates. All rights reserved.
* Use is subject to license terms.
*
- * Copyright (c) 2011, 2013, Intel Corporation.
+ * Copyright (c) 2011, 2014, Intel Corporation.
*/
/*
* This file is part of Lustre, http://www.lustre.org/
#include <linux/seq_file.h>
#include "osc_internal.h"
-#ifdef LPROCFS
+#ifdef CONFIG_PROC_FS
static int osc_active_seq_show(struct seq_file *m, void *v)
{
struct obd_device *dev = m->private;
return rc;
}
-static ssize_t osc_active_seq_write(struct file *file, const char *buffer,
+static ssize_t osc_active_seq_write(struct file *file,
+ const char __user *buffer,
size_t count, loff_t *off)
{
struct obd_device *dev = ((struct seq_file *)file->private_data)->private;
struct client_obd *cli = &dev->u.cli;
int rc;
- client_obd_list_lock(&cli->cl_loi_list_lock);
+ spin_lock(&cli->cl_loi_list_lock);
rc = seq_printf(m, "%u\n", cli->cl_max_rpcs_in_flight);
- client_obd_list_unlock(&cli->cl_loi_list_lock);
+ spin_unlock(&cli->cl_loi_list_lock);
return rc;
}
static ssize_t osc_max_rpcs_in_flight_seq_write(struct file *file,
- const char *buffer,
+ const char __user *buffer,
size_t count, loff_t *off)
{
struct obd_device *dev = ((struct seq_file *)file->private_data)->private;
if (pool && val > cli->cl_max_rpcs_in_flight)
pool->prp_populate(pool, val-cli->cl_max_rpcs_in_flight);
- client_obd_list_lock(&cli->cl_loi_list_lock);
- cli->cl_max_rpcs_in_flight = val;
- client_obd_list_unlock(&cli->cl_loi_list_lock);
+ spin_lock(&cli->cl_loi_list_lock);
+ cli->cl_max_rpcs_in_flight = val;
+ client_adjust_max_dirty(cli);
+ spin_unlock(&cli->cl_loi_list_lock);
- LPROCFS_CLIMP_EXIT(dev);
- return count;
+ LPROCFS_CLIMP_EXIT(dev);
+ return count;
}
LPROC_SEQ_FOPS(osc_max_rpcs_in_flight);
long val;
int mult;
- client_obd_list_lock(&cli->cl_loi_list_lock);
- val = cli->cl_dirty_max;
- client_obd_list_unlock(&cli->cl_loi_list_lock);
+ spin_lock(&cli->cl_loi_list_lock);
+ val = cli->cl_dirty_max_pages;
+ spin_unlock(&cli->cl_loi_list_lock);
- mult = 1 << 20;
+ mult = 1 << (20 - PAGE_CACHE_SHIFT);
return lprocfs_seq_read_frac_helper(m, val, mult);
}
-static ssize_t osc_max_dirty_mb_seq_write(struct file *file, const char *buffer,
+static ssize_t osc_max_dirty_mb_seq_write(struct file *file,
+ const char __user *buffer,
size_t count, loff_t *off)
{
struct obd_device *dev = ((struct seq_file *)file->private_data)->private;
pages_number > totalram_pages / 4) /* 1/4 of RAM */
return -ERANGE;
- client_obd_list_lock(&cli->cl_loi_list_lock);
- cli->cl_dirty_max = (obd_count)(pages_number << PAGE_CACHE_SHIFT);
+ spin_lock(&cli->cl_loi_list_lock);
+ cli->cl_dirty_max_pages = pages_number;
osc_wake_cache_waiters(cli);
- client_obd_list_unlock(&cli->cl_loi_list_lock);
+ spin_unlock(&cli->cl_loi_list_lock);
return count;
}
int rc;
rc = seq_printf(m,
- "used_mb: %d\n"
- "busy_cnt: %d\n",
- (atomic_read(&cli->cl_lru_in_list) +
- atomic_read(&cli->cl_lru_busy)) >> shift,
- atomic_read(&cli->cl_lru_busy));
+ "used_mb: %ld\n"
+ "busy_cnt: %ld\n",
+ (atomic_long_read(&cli->cl_lru_in_list) +
+ atomic_long_read(&cli->cl_lru_busy)) >> shift,
+ atomic_long_read(&cli->cl_lru_busy));
return rc;
}
/* shrink the number of caching pages to a specific number */
static ssize_t
-osc_cached_mb_seq_write(struct file *file, const char *buffer,
+osc_cached_mb_seq_write(struct file *file, const char __user *buffer,
size_t count, loff_t *off)
{
struct obd_device *dev = ((struct seq_file *)file->private_data)->private;
struct client_obd *cli = &dev->u.cli;
- int pages_number, mult, rc;
+ __u64 val;
+ long pages_number;
+ long rc;
+ int mult;
+ char kernbuf[128];
+
+ if (count >= sizeof(kernbuf))
+ return -EINVAL;
+
+ if (copy_from_user(kernbuf, buffer, count))
+ return -EFAULT;
+ kernbuf[count] = 0;
mult = 1 << (20 - PAGE_CACHE_SHIFT);
- buffer = lprocfs_find_named_value(buffer, "used_mb:", &count);
- rc = lprocfs_write_frac_helper(buffer, count, &pages_number, mult);
+ buffer += lprocfs_find_named_value(kernbuf, "used_mb:", &count) -
+ kernbuf;
+ rc = lprocfs_write_frac_u64_helper(buffer, count, &val, mult);
+
if (rc)
return rc;
+ if (val > LONG_MAX)
+ return -ERANGE;
+ pages_number = (long)val;
+
if (pages_number < 0)
return -ERANGE;
- rc = atomic_read(&cli->cl_lru_in_list) - pages_number;
+ rc = atomic_long_read(&cli->cl_lru_in_list) - pages_number;
if (rc > 0) {
struct lu_env *env;
int refcheck;
struct client_obd *cli = &dev->u.cli;
int rc;
- client_obd_list_lock(&cli->cl_loi_list_lock);
- rc = seq_printf(m, "%lu\n", cli->cl_dirty);
- client_obd_list_unlock(&cli->cl_loi_list_lock);
+ spin_lock(&cli->cl_loi_list_lock);
+ rc = seq_printf(m, "%lu\n", cli->cl_dirty_pages << PAGE_CACHE_SHIFT);
+ spin_unlock(&cli->cl_loi_list_lock);
return rc;
}
LPROC_SEQ_FOPS_RO(osc_cur_dirty_bytes);
struct client_obd *cli = &dev->u.cli;
int rc;
- client_obd_list_lock(&cli->cl_loi_list_lock);
+ spin_lock(&cli->cl_loi_list_lock);
rc = seq_printf(m, "%lu\n", cli->cl_avail_grant);
- client_obd_list_unlock(&cli->cl_loi_list_lock);
+ spin_unlock(&cli->cl_loi_list_lock);
return rc;
}
-static ssize_t osc_cur_grant_bytes_seq_write(struct file *file, const char *buffer,
+static ssize_t osc_cur_grant_bytes_seq_write(struct file *file,
+ const char __user *buffer,
size_t count, loff_t *off)
{
struct obd_device *obd = ((struct seq_file *)file->private_data)->private;
return rc;
/* this is only for shrinking grant */
- client_obd_list_lock(&cli->cl_loi_list_lock);
- if (val >= cli->cl_avail_grant) {
- client_obd_list_unlock(&cli->cl_loi_list_lock);
- return 0;
- }
- client_obd_list_unlock(&cli->cl_loi_list_lock);
+ spin_lock(&cli->cl_loi_list_lock);
+ if (val >= cli->cl_avail_grant) {
+ spin_unlock(&cli->cl_loi_list_lock);
+ return 0;
+ }
+
+ spin_unlock(&cli->cl_loi_list_lock);
LPROCFS_CLIMP_CHECK(obd);
if (cli->cl_import->imp_state == LUSTRE_IMP_FULL)
struct client_obd *cli = &dev->u.cli;
int rc;
- client_obd_list_lock(&cli->cl_loi_list_lock);
+ spin_lock(&cli->cl_loi_list_lock);
rc = seq_printf(m, "%lu\n", cli->cl_lost_grant);
- client_obd_list_unlock(&cli->cl_loi_list_lock);
+ spin_unlock(&cli->cl_loi_list_lock);
return rc;
}
LPROC_SEQ_FOPS_RO(osc_cur_lost_grant_bytes);
}
static ssize_t osc_grant_shrink_interval_seq_write(struct file *file,
- const char *buffer,
+ const char __user *buffer,
size_t count, loff_t *off)
{
struct obd_device *obd = ((struct seq_file *)file->private_data)->private;
obd->u.cli.cl_checksum ? 1 : 0);
}
-static ssize_t osc_checksum_seq_write(struct file *file, const char *buffer,
+static ssize_t osc_checksum_seq_write(struct file *file,
+ const char __user *buffer,
size_t count, loff_t *off)
{
struct obd_device *obd = ((struct seq_file *)file->private_data)->private;
return 0;
}
-static ssize_t osc_checksum_type_seq_write(struct file *file, const char *buffer,
+static ssize_t osc_checksum_type_seq_write(struct file *file,
+ const char __user *buffer,
size_t count, loff_t *off)
{
struct obd_device *obd = ((struct seq_file *)file->private_data)->private;
return seq_printf(m, "%u\n", atomic_read(&obd->u.cli.cl_resends));
}
-static ssize_t osc_resend_count_seq_write(struct file *file, const char *buffer,
+static ssize_t osc_resend_count_seq_write(struct file *file,
+ const char __user *buffer,
size_t count, loff_t *off)
{
struct obd_device *obd = ((struct seq_file *)file->private_data)->private;
return seq_printf(m, "%u\n", od->od_contention_time);
}
-static ssize_t osc_contention_seconds_seq_write(struct file *file, const char *buffer,
+static ssize_t osc_contention_seconds_seq_write(struct file *file,
+ const char __user *buffer,
size_t count, loff_t *off)
{
struct obd_device *obd = ((struct seq_file *)file->private_data)->private;
return seq_printf(m, "%u\n", od->od_lockless_truncate);
}
-static ssize_t osc_lockless_truncate_seq_write(struct file *file, const char *buffer,
+static ssize_t osc_lockless_truncate_seq_write(struct file *file,
+ const char __user *buffer,
size_t count, loff_t *off)
{
struct obd_device *obd = ((struct seq_file *)file->private_data)->private;
}
static ssize_t osc_obd_max_pages_per_rpc_seq_write(struct file *file,
- const char *buffer,
+ const char __user *buffer,
size_t count, loff_t *off)
{
struct obd_device *dev = ((struct seq_file *)file->private_data)->private;
chunk_mask = ~((1 << (cli->cl_chunkbits - PAGE_CACHE_SHIFT)) - 1);
/* max_pages_per_rpc must be chunk aligned */
val = (val + ~chunk_mask) & chunk_mask;
- if (val == 0 || val > ocd->ocd_brw_size >> PAGE_CACHE_SHIFT) {
+ if (val == 0 || (ocd->ocd_brw_size != 0 &&
+ val > ocd->ocd_brw_size >> PAGE_CACHE_SHIFT)) {
LPROCFS_CLIMP_EXIT(dev);
return -ERANGE;
}
- client_obd_list_lock(&cli->cl_loi_list_lock);
+ spin_lock(&cli->cl_loi_list_lock);
cli->cl_max_pages_per_rpc = val;
- client_obd_list_unlock(&cli->cl_loi_list_lock);
+ client_adjust_max_dirty(cli);
+ spin_unlock(&cli->cl_loi_list_lock);
LPROCFS_CLIMP_EXIT(dev);
return count;
{
struct obd_device *dev = m->private;
struct client_obd *cli = &dev->u.cli;
- int pages, mb;
+ long pages;
+ int mb;
- pages = atomic_read(&cli->cl_unstable_count);
+ pages = atomic_long_read(&cli->cl_unstable_count);
mb = (pages * PAGE_CACHE_SIZE) >> 20;
- return seq_printf(m, "unstable_pages: %8d\n"
- "unstable_mb: %8d\n",
+ return seq_printf(m, "unstable_pages: %20ld\n"
+ "unstable_mb: %10d\n",
pages, mb);
}
LPROC_SEQ_FOPS_RO(osc_unstable_stats);
LPROC_SEQ_FOPS_RW_TYPE(osc, import);
LPROC_SEQ_FOPS_RW_TYPE(osc, pinger_recov);
-struct lprocfs_seq_vars lprocfs_osc_obd_vars[] = {
+struct lprocfs_vars lprocfs_osc_obd_vars[] = {
{ .name = "uuid",
.fops = &osc_uuid_fops },
{ .name = "ping",
.fops = &osc_pinger_recov_fops },
{ .name = "unstable_stats",
.fops = &osc_unstable_stats_fops },
- { 0 }
+ { NULL }
};
#define pct(a,b) (b ? a * 100 / b : 0)
do_gettimeofday(&now);
- client_obd_list_lock(&cli->cl_loi_list_lock);
+ spin_lock(&cli->cl_loi_list_lock);
seq_printf(seq, "snapshot_time: %lu.%lu (secs.usecs)\n",
now.tv_sec, now.tv_usec);
break;
}
- client_obd_list_unlock(&cli->cl_loi_list_lock);
+ spin_unlock(&cli->cl_loi_list_lock);
return 0;
}
#undef pct
-static ssize_t osc_rpc_stats_seq_write(struct file *file, const char *buf,
+static ssize_t osc_rpc_stats_seq_write(struct file *file,
+ const char __user *buf,
size_t len, loff_t *off)
{
struct seq_file *seq = file->private_data;
return 0;
}
-static ssize_t osc_stats_seq_write(struct file *file, const char *buf,
+static ssize_t osc_stats_seq_write(struct file *file,
+ const char __user *buf,
size_t len, loff_t *off)
{
struct seq_file *seq = file->private_data;
return rc;
}
-#endif /* LPROCFS */
+#endif /* CONFIG_PROC_FS */