-/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
- * vim:expandtab:shiftwidth=8:tabstop=8:
- *
+/*
* GPL HEADER START
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
* GPL HEADER END
*/
/*
- * Copyright 2008 Sun Microsystems, Inc. All rights reserved
+ * Copyright (c) 1999, 2010, Oracle and/or its affiliates. All rights reserved.
* Use is subject to license terms.
+ *
+ * Copyright (c) 2011, Intel Corporation.
*/
/*
* This file is part of Lustre, http://www.lustre.org/
*/
#include <linux/module.h>
-#include <linux/autoconf.h>
#include <linux/sysctl.h>
#include <linux/sched.h>
#include <linux/mm.h>
#include <obd_support.h>
#include <lprocfs_status.h>
-cfs_sysctl_table_header_t *obd_table_header = NULL;
-
-#define OBD_SYSCTL 300
-
-enum {
- OBD_FAIL_LOC = 1, /* control test failures instrumentation */
- OBD_FAIL_VAL, /* userdata for fail loc */
- OBD_TIMEOUT, /* RPC timeout before recovery/intr */
- OBD_DUMP_ON_TIMEOUT, /* dump kernel debug log upon eviction */
- OBD_MEMUSED, /* bytes currently OBD_ALLOCated */
- OBD_PAGESUSED, /* pages currently OBD_PAGE_ALLOCated */
- OBD_MAXMEMUSED, /* maximum bytes OBD_ALLOCated concurrently */
- OBD_MAXPAGESUSED, /* maximum pages OBD_PAGE_ALLOCated concurrently */
- OBD_SYNCFILTER, /* XXX temporary, as we play with sync osts.. */
- OBD_LDLM_TIMEOUT, /* LDLM timeout for ASTs before client eviction */
- OBD_DUMP_ON_EVICTION, /* dump kernel debug log upon eviction */
- OBD_DEBUG_PEER_ON_TIMEOUT, /* dump peer debug when RPC times out */
- OBD_ALLOC_FAIL_RATE, /* memory allocation random failure rate */
- OBD_MAX_DIRTY_PAGES, /* maximum dirty pages */
- OBD_AT_MIN, /* Adaptive timeouts params */
- OBD_AT_MAX,
- OBD_AT_EXTRA,
- OBD_AT_EARLY_MARGIN,
- OBD_AT_HISTORY,
-};
-
-int LL_PROC_PROTO(proc_fail_loc)
-{
- int rc;
- long old_fail_loc = obd_fail_loc;
-
- rc = ll_proc_dointvec(table, write, filp, buffer, lenp, ppos);
- if (old_fail_loc != obd_fail_loc)
- wake_up(&obd_race_waitq);
- return rc;
-}
+#ifdef CONFIG_SYSCTL
+struct ctl_table_header *obd_table_header = NULL;
+#endif
-int LL_PROC_PROTO(proc_set_timeout)
+static int
+proc_set_timeout(struct ctl_table *table, int write, void __user *buffer,
+ size_t *lenp, loff_t *ppos)
{
int rc;
- rc = ll_proc_dointvec(table, write, filp, buffer, lenp, ppos);
+ rc = proc_dointvec(table, write, buffer, lenp, ppos);
if (ldlm_timeout >= obd_timeout)
ldlm_timeout = max(obd_timeout / 3, 1U);
return rc;
}
-int LL_PROC_PROTO(proc_memory_alloc)
+static int
+proc_memory_alloc(struct ctl_table *table, int write, void __user *buffer,
+ size_t *lenp, loff_t *ppos)
{
char buf[22];
int len;
- DECLARE_LL_PROC_PPOS_DECL;
if (!*lenp || (*ppos && !write)) {
*lenp = 0;
if (len > *lenp)
len = *lenp;
buf[len] = '\0';
- if (copy_to_user(buffer, buf, len))
+ if (copy_to_user(buffer, buf, len))
return -EFAULT;
*lenp = len;
*ppos += *lenp;
return 0;
}
-int LL_PROC_PROTO(proc_pages_alloc)
+static int
+proc_pages_alloc(struct ctl_table *table, int write, void __user *buffer,
+ size_t *lenp, loff_t *ppos)
{
char buf[22];
int len;
- DECLARE_LL_PROC_PPOS_DECL;
if (!*lenp || (*ppos && !write)) {
*lenp = 0;
if (len > *lenp)
len = *lenp;
buf[len] = '\0';
- if (copy_to_user(buffer, buf, len))
+ if (copy_to_user(buffer, buf, len))
return -EFAULT;
*lenp = len;
*ppos += *lenp;
return 0;
}
-int LL_PROC_PROTO(proc_mem_max)
+static int
+proc_mem_max(struct ctl_table *table, int write, void __user *buffer,
+ size_t *lenp, loff_t *ppos)
{
char buf[22];
int len;
- DECLARE_LL_PROC_PPOS_DECL;
if (!*lenp || (*ppos && !write)) {
*lenp = 0;
if (len > *lenp)
len = *lenp;
buf[len] = '\0';
- if (copy_to_user(buffer, buf, len))
+ if (copy_to_user(buffer, buf, len))
return -EFAULT;
*lenp = len;
*ppos += *lenp;
return 0;
}
-int LL_PROC_PROTO(proc_pages_max)
+static int
+proc_pages_max(struct ctl_table *table, int write, void __user *buffer,
+ size_t *lenp, loff_t *ppos)
{
char buf[22];
int len;
- DECLARE_LL_PROC_PPOS_DECL;
if (!*lenp || (*ppos && !write)) {
*lenp = 0;
if (len > *lenp)
len = *lenp;
buf[len] = '\0';
- if (copy_to_user(buffer, buf, len))
+ if (copy_to_user(buffer, buf, len))
return -EFAULT;
*lenp = len;
*ppos += *lenp;
return 0;
}
-int LL_PROC_PROTO(proc_max_dirty_pages_in_mb)
+static int
+proc_max_dirty_pages_in_mb(struct ctl_table *table, int write,
+ void __user *buffer, size_t *lenp, loff_t *ppos)
{
- int rc = 0;
- DECLARE_LL_PROC_PPOS_DECL;
-
- if (!table->data || !table->maxlen || !*lenp || (*ppos && !write)) {
- *lenp = 0;
- return 0;
- }
- if (write) {
- rc = lprocfs_write_frac_helper(buffer, *lenp,
- (unsigned int*)table->data,
- 1 << (20 - CFS_PAGE_SHIFT));
- /* Don't allow them to let dirty pages exceed 90% of system memory,
- * and set a hard minimum of 4MB. */
- if (obd_max_dirty_pages > ((num_physpages / 10) * 9)) {
- CERROR("Refusing to set max dirty pages to %u, which "
- "is more than 90%% of available RAM; setting to %lu\n",
- obd_max_dirty_pages, ((num_physpages / 10) * 9));
- obd_max_dirty_pages = ((num_physpages / 10) * 9);
- } else if (obd_max_dirty_pages < 4 << (20 - CFS_PAGE_SHIFT)) {
- obd_max_dirty_pages = 4 << (20 - CFS_PAGE_SHIFT);
- }
- } else {
- char buf[21];
- int len;
-
- len = lprocfs_read_frac_helper(buf, sizeof(buf),
- *(unsigned int*)table->data,
- 1 << (20 - CFS_PAGE_SHIFT));
- if (len > *lenp)
- len = *lenp;
- buf[len] = '\0';
- if (copy_to_user(buffer, buf, len))
- return -EFAULT;
- *lenp = len;
- }
- *ppos += *lenp;
- return rc;
+ int rc = 0;
+
+ if (!table->data || !table->maxlen || !*lenp || (*ppos && !write)) {
+ *lenp = 0;
+ return 0;
+ }
+ if (write) {
+ rc = lprocfs_write_frac_helper(buffer, *lenp,
+ (unsigned int *)table->data,
+ 1 << (20 - PAGE_CACHE_SHIFT));
+ /* Don't allow them to let dirty pages exceed 90% of system
+ * memory and set a hard minimum of 4MB. */
+ if (obd_max_dirty_pages > ((totalram_pages / 10) * 9)) {
+ CERROR("Refusing to set max dirty pages to %u, which "
+ "is more than 90%% of available RAM; setting "
+ "to %lu\n", obd_max_dirty_pages,
+ ((totalram_pages / 10) * 9));
+ obd_max_dirty_pages = ((totalram_pages / 10) * 9);
+ } else if (obd_max_dirty_pages < 4 << (20 - PAGE_CACHE_SHIFT)) {
+ obd_max_dirty_pages = 4 << (20 - PAGE_CACHE_SHIFT);
+ }
+ } else {
+ char buf[21];
+ int len;
+
+ len = lprocfs_read_frac_helper(buf, sizeof(buf),
+ *(unsigned int *)table->data,
+ 1 << (20 - PAGE_CACHE_SHIFT));
+ if (len > *lenp)
+ len = *lenp;
+ buf[len] = '\0';
+ if (copy_to_user(buffer, buf, len))
+ return -EFAULT;
+ *lenp = len;
+ }
+ *ppos += *lenp;
+ return rc;
}
#ifdef RANDOM_FAIL_ALLOC
-int LL_PROC_PROTO(proc_alloc_fail_rate)
+int proc_alloc_fail_rate(struct ctl_table *table, int write,
+ void __user *buffer, size_t *lenp, loff_t *ppos)
{
int rc = 0;
- DECLARE_LL_PROC_PPOS_DECL;
if (!table->data || !table->maxlen || !*lenp || (*ppos && !write)) {
*lenp = 0;
if (len > *lenp)
len = *lenp;
buf[len] = '\0';
- if (copy_to_user(buffer, buf, len))
+ if (copy_to_user(buffer, buf, len))
return -EFAULT;
*lenp = len;
}
}
#endif
-int LL_PROC_PROTO(proc_at_min)
-{
- return ll_proc_dointvec(table, write, filp, buffer, lenp, ppos);
-}
-int LL_PROC_PROTO(proc_at_max)
-{
- return ll_proc_dointvec(table, write, filp, buffer, lenp, ppos);
-}
-int LL_PROC_PROTO(proc_at_extra)
-{
- return ll_proc_dointvec(table, write, filp, buffer, lenp, ppos);
-}
-int LL_PROC_PROTO(proc_at_early_margin)
-{
- return ll_proc_dointvec(table, write, filp, buffer, lenp, ppos);
-}
-int LL_PROC_PROTO(proc_at_history)
-{
- return ll_proc_dointvec(table, write, filp, buffer, lenp, ppos);
-}
-
-static cfs_sysctl_table_t obd_table[] = {
- {
- .ctl_name = OBD_FAIL_LOC,
- .procname = "fail_loc",
- .data = &obd_fail_loc,
- .maxlen = sizeof(int),
- .mode = 0644,
- .proc_handler = &proc_fail_loc
- },
- {
- .ctl_name = OBD_FAIL_VAL,
- .procname = "fail_val",
- .data = &obd_fail_val,
- .maxlen = sizeof(int),
- .mode = 0644,
- .proc_handler = &proc_dointvec
- },
- {
- .ctl_name = OBD_TIMEOUT,
- .procname = "timeout",
- .data = &obd_timeout,
- .maxlen = sizeof(int),
- .mode = 0644,
- .proc_handler = &proc_set_timeout
- },
- {
- .ctl_name = OBD_DEBUG_PEER_ON_TIMEOUT,
- .procname = "debug_peer_on_timeout",
- .data = &obd_debug_peer_on_timeout,
- .maxlen = sizeof(int),
- .mode = 0644,
- .proc_handler = &proc_dointvec
- },
- {
- .ctl_name = OBD_DUMP_ON_TIMEOUT,
- .procname = "dump_on_timeout",
- .data = &obd_dump_on_timeout,
- .maxlen = sizeof(int),
- .mode = 0644,
- .proc_handler = &proc_dointvec
- },
- {
- .ctl_name = OBD_DUMP_ON_EVICTION,
- .procname = "dump_on_eviction",
- .data = &obd_dump_on_eviction,
- .maxlen = sizeof(int),
- .mode = 0644,
- .proc_handler = &proc_dointvec
- },
- {
- .ctl_name = OBD_MEMUSED,
- .procname = "memused",
- .data = NULL,
- .maxlen = 0,
- .mode = 0444,
- .proc_handler = &proc_memory_alloc
- },
- {
- .ctl_name = OBD_PAGESUSED,
- .procname = "pagesused",
- .data = NULL,
- .maxlen = 0,
- .mode = 0444,
- .proc_handler = &proc_pages_alloc
- },
- {
- .ctl_name = OBD_MAXMEMUSED,
- .procname = "memused_max",
- .data = NULL,
- .maxlen = 0,
- .mode = 0444,
- .proc_handler = &proc_mem_max
- },
- {
- .ctl_name = OBD_MAXPAGESUSED,
- .procname = "pagesused_max",
- .data = NULL,
- .maxlen = 0,
- .mode = 0444,
- .proc_handler = &proc_pages_max
- },
- {
- .ctl_name = OBD_LDLM_TIMEOUT,
- .procname = "ldlm_timeout",
- .data = &ldlm_timeout,
- .maxlen = sizeof(int),
- .mode = 0644,
- .proc_handler = &proc_set_timeout
- },
+#ifdef CONFIG_SYSCTL
+static struct ctl_table obd_table[] = {
+ {
+ INIT_CTL_NAME
+ .procname = "timeout",
+ .data = &obd_timeout,
+ .maxlen = sizeof(int),
+ .mode = 0644,
+ .proc_handler = &proc_set_timeout
+ },
+ {
+ INIT_CTL_NAME
+ .procname = "debug_peer_on_timeout",
+ .data = &obd_debug_peer_on_timeout,
+ .maxlen = sizeof(int),
+ .mode = 0644,
+ .proc_handler = &proc_dointvec
+ },
+ {
+ INIT_CTL_NAME
+ .procname = "dump_on_timeout",
+ .data = &obd_dump_on_timeout,
+ .maxlen = sizeof(int),
+ .mode = 0644,
+ .proc_handler = &proc_dointvec
+ },
+ {
+ INIT_CTL_NAME
+ .procname = "dump_on_eviction",
+ .data = &obd_dump_on_eviction,
+ .maxlen = sizeof(int),
+ .mode = 0644,
+ .proc_handler = &proc_dointvec
+ },
+ {
+ INIT_CTL_NAME
+ .procname = "memused",
+ .data = NULL,
+ .maxlen = 0,
+ .mode = 0444,
+ .proc_handler = &proc_memory_alloc
+ },
+ {
+ INIT_CTL_NAME
+ .procname = "pagesused",
+ .data = NULL,
+ .maxlen = 0,
+ .mode = 0444,
+ .proc_handler = &proc_pages_alloc
+ },
+ {
+ INIT_CTL_NAME
+ .procname = "memused_max",
+ .data = NULL,
+ .maxlen = 0,
+ .mode = 0444,
+ .proc_handler = &proc_mem_max
+ },
+ {
+ INIT_CTL_NAME
+ .procname = "pagesused_max",
+ .data = NULL,
+ .maxlen = 0,
+ .mode = 0444,
+ .proc_handler = &proc_pages_max
+ },
+ {
+ INIT_CTL_NAME
+ .procname = "ldlm_timeout",
+ .data = &ldlm_timeout,
+ .maxlen = sizeof(int),
+ .mode = 0644,
+ .proc_handler = &proc_set_timeout
+ },
#ifdef RANDOM_FAIL_ALLOC
- {
- .ctl_name = OBD_ALLOC_FAIL_RATE,
- .procname = "alloc_fail_rate",
- .data = &obd_alloc_fail_rate,
- .maxlen = sizeof(int),
- .mode = 0644,
- .proc_handler = &proc_alloc_fail_rate
- },
+ {
+ INIT_CTL_NAME
+ .procname = "alloc_fail_rate",
+ .data = &obd_alloc_fail_rate,
+ .maxlen = sizeof(int),
+ .mode = 0644,
+ .proc_handler = &proc_alloc_fail_rate
+ },
#endif
- {
- .ctl_name = OBD_MAX_DIRTY_PAGES,
- .procname = "max_dirty_mb",
- .data = &obd_max_dirty_pages,
- .maxlen = sizeof(int),
- .mode = 0644,
- .proc_handler = &proc_max_dirty_pages_in_mb
- },
- {
- .ctl_name = OBD_AT_MIN,
- .procname = "at_min",
- .data = &at_min,
- .maxlen = sizeof(int),
- .mode = 0644,
- .proc_handler = &proc_at_min
- },
- {
- .ctl_name = OBD_AT_MAX,
- .procname = "at_max",
- .data = &at_max,
- .maxlen = sizeof(int),
- .mode = 0644,
- .proc_handler = &proc_at_max
- },
- {
- .ctl_name = OBD_AT_EXTRA,
- .procname = "at_extra",
- .data = &at_extra,
- .maxlen = sizeof(int),
- .mode = 0644,
- .proc_handler = &proc_at_extra
- },
- {
- .ctl_name = OBD_AT_EARLY_MARGIN,
- .procname = "at_early_margin",
- .data = &at_early_margin,
- .maxlen = sizeof(int),
- .mode = 0644,
- .proc_handler = &proc_at_early_margin
- },
- {
- .ctl_name = OBD_AT_HISTORY,
- .procname = "at_history",
- .data = &at_history,
- .maxlen = sizeof(int),
- .mode = 0644,
- .proc_handler = &proc_at_history
- },
- { 0 }
+ {
+ INIT_CTL_NAME
+ .procname = "max_dirty_mb",
+ .data = &obd_max_dirty_pages,
+ .maxlen = sizeof(int),
+ .mode = 0644,
+ .proc_handler = &proc_max_dirty_pages_in_mb
+ },
+ {
+ INIT_CTL_NAME
+ .procname = "bulk_timeout",
+ .data = &bulk_timeout,
+ .maxlen = sizeof(int),
+ .mode = 0644,
+ .proc_handler = &proc_dointvec
+ },
+ {
+ INIT_CTL_NAME
+ .procname = "at_min",
+ .data = &at_min,
+ .maxlen = sizeof(int),
+ .mode = 0644,
+ .proc_handler = &proc_dointvec
+ },
+ {
+ INIT_CTL_NAME
+ .procname = "at_max",
+ .data = &at_max,
+ .maxlen = sizeof(int),
+ .mode = 0644,
+ .proc_handler = &proc_dointvec
+ },
+ {
+ INIT_CTL_NAME
+ .procname = "at_extra",
+ .data = &at_extra,
+ .maxlen = sizeof(int),
+ .mode = 0644,
+ .proc_handler = &proc_dointvec
+ },
+ {
+ INIT_CTL_NAME
+ .procname = "at_early_margin",
+ .data = &at_early_margin,
+ .maxlen = sizeof(int),
+ .mode = 0644,
+ .proc_handler = &proc_dointvec
+ },
+ {
+ INIT_CTL_NAME
+ .procname = "at_history",
+ .data = &at_history,
+ .maxlen = sizeof(int),
+ .mode = 0644,
+ .proc_handler = &proc_dointvec
+ },
+ { 0 }
};
-static cfs_sysctl_table_t parent_table[] = {
- {
- .ctl_name = OBD_SYSCTL,
- .procname = "lustre",
- .data = NULL,
- .maxlen = 0,
- .mode = 0555,
- .child = obd_table
- },
- {0}
+static struct ctl_table parent_table[] = {
+ {
+ INIT_CTL_NAME
+ .procname = "lustre",
+ .data = NULL,
+ .maxlen = 0,
+ .mode = 0555,
+ .child = obd_table
+ },
+ { 0 }
};
+#endif
void obd_sysctl_init (void)
{
#ifdef CONFIG_SYSCTL
- if ( !obd_table_header )
- obd_table_header = cfs_register_sysctl_table(parent_table, 0);
+ if ( !obd_table_header )
+ obd_table_header = register_sysctl_table(parent_table);
#endif
}
void obd_sysctl_clean (void)
{
#ifdef CONFIG_SYSCTL
- if ( obd_table_header )
- cfs_unregister_sysctl_table(obd_table_header);
- obd_table_header = NULL;
+ if ( obd_table_header )
+ unregister_sysctl_table(obd_table_header);
+ obd_table_header = NULL;
#endif
}
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