*
* You should have received a copy of the GNU General Public License
* version 2 along with this program; If not, see
- * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf
- *
- * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
- * CA 95054 USA or visit www.sun.com if you need additional information or
- * have any questions.
+ * http://www.gnu.org/licenses/gpl-2.0.html
*
* GPL HEADER END
*/
* Copyright 2008 Sun Microsystems, Inc. All rights reserved
* Use is subject to license terms.
*
- * Copyright (c) 2012, 2014, Intel Corporation.
+ * Copyright (c) 2012, 2017, Intel Corporation.
*/
/*
* This file is part of Lustre, http://www.lustre.org/
#include <obd_class.h>
#include <linux/seq_file.h>
#include "lod_internal.h"
-#include <lustre_param.h>
+#include <uapi/linux/lustre/lustre_param.h>
/*
* Notice, all the functions below (except for lod_procfs_init() and
* called by Linux kernel's procfs.
*/
-#ifdef LPROCFS
+#ifdef CONFIG_PROC_FS
+
+/**
+ * Show default stripe size.
+ *
+ * \param[in] m seq file
+ * \param[in] v unused for single entry
+ *
+ * \retval 0 on success
+ * \retval negative error code if failed
+ */
+static int lod_dom_stripesize_seq_show(struct seq_file *m, void *v)
+{
+ struct obd_device *dev = m->private;
+ struct lod_device *lod;
+
+ LASSERT(dev != NULL);
+ lod = lu2lod_dev(dev->obd_lu_dev);
+ seq_printf(m, "%u\n", lod->lod_dom_max_stripesize);
+ return 0;
+}
+
+/**
+ * Set default stripe size.
+ *
+ * \param[in] file proc file
+ * \param[in] buffer string containing the maximum number of bytes stored in
+ * each object before moving to the next object in the
+ * layout (if any)
+ * \param[in] count @buffer length
+ * \param[in] off unused for single entry
+ *
+ * \retval @count on success
+ * \retval negative error code if failed
+ */
+static ssize_t
+lod_dom_stripesize_seq_write(struct file *file, const char __user *buffer,
+ size_t count, loff_t *off)
+{
+ struct seq_file *m = file->private_data;
+ struct obd_device *dev = m->private;
+ struct lod_device *lod;
+ s64 val;
+ int rc;
+
+ LASSERT(dev != NULL);
+ lod = lu2lod_dev(dev->obd_lu_dev);
+ rc = lprocfs_str_with_units_to_s64(buffer, count, &val, '1');
+ if (rc)
+ return rc;
+ if (val < 0)
+ return -ERANGE;
+
+ /* 1GB is the limit */
+ if (val > (1ULL << 30))
+ return -ERANGE;
+ else if (val > 0)
+ lod_fix_desc_stripe_size(&val);
+
+ lod->lod_dom_max_stripesize = val;
+
+ return count;
+}
+LPROC_SEQ_FOPS(lod_dom_stripesize);
/**
* Show default stripe size.
LASSERT(dev != NULL);
lod = lu2lod_dev(dev->obd_lu_dev);
- return seq_printf(m, LPU64"\n",
- lod->lod_desc.ld_default_stripe_size);
+ seq_printf(m, "%llu\n",
+ lod->lod_desc.ld_default_stripe_size);
+ return 0;
}
/**
* \retval negative error code if failed
*/
static ssize_t
-lod_stripesize_seq_write(struct file *file, const char *buffer,
+lod_stripesize_seq_write(struct file *file, const char __user *buffer,
size_t count, loff_t *off)
{
- struct seq_file *m = file->private_data;
+ struct seq_file *m = file->private_data;
struct obd_device *dev = m->private;
struct lod_device *lod;
- __u64 val;
+ s64 val;
int rc;
LASSERT(dev != NULL);
lod = lu2lod_dev(dev->obd_lu_dev);
- rc = lprocfs_write_u64_helper(buffer, count, &val);
+ rc = lprocfs_str_with_units_to_s64(buffer, count, &val, '1');
if (rc)
return rc;
+ if (val < 0)
+ return -ERANGE;
lod_fix_desc_stripe_size(&val);
lod->lod_desc.ld_default_stripe_size = val;
+
return count;
}
LPROC_SEQ_FOPS(lod_stripesize);
LASSERT(dev != NULL);
lod = lu2lod_dev(dev->obd_lu_dev);
- return seq_printf(m, LPU64"\n",
- lod->lod_desc.ld_default_stripe_offset);
+ seq_printf(m, "%lld\n", lod->lod_desc.ld_default_stripe_offset);
+ return 0;
}
/**
* \retval negative error code if failed
*/
static ssize_t
-lod_stripeoffset_seq_write(struct file *file, const char *buffer,
+lod_stripeoffset_seq_write(struct file *file, const char __user *buffer,
size_t count, loff_t *off)
{
- struct seq_file *m = file->private_data;
+ struct seq_file *m = file->private_data;
struct obd_device *dev = m->private;
struct lod_device *lod;
- __u64 val;
+ long val;
int rc;
LASSERT(dev != NULL);
lod = lu2lod_dev(dev->obd_lu_dev);
- rc = lprocfs_write_u64_helper(buffer, count, &val);
+ rc = kstrtol_from_user(buffer, count, 0, &val);
if (rc)
return rc;
+ if (val < -1 || val > LOV_MAX_STRIPE_COUNT)
+ return -ERANGE;
lod->lod_desc.ld_default_stripe_offset = val;
+
return count;
}
LPROC_SEQ_FOPS(lod_stripeoffset);
LASSERT(dev != NULL);
lod = lu2lod_dev(dev->obd_lu_dev);
- return seq_printf(m, "%u\n", lod->lod_desc.ld_pattern);
+ seq_printf(m, "%u\n", lod->lod_desc.ld_pattern);
+ return 0;
}
/**
* \retval negative error code if failed
*/
static ssize_t
-lod_stripetype_seq_write(struct file *file, const char *buffer,
+lod_stripetype_seq_write(struct file *file, const char __user *buffer,
size_t count, loff_t *off)
{
- struct seq_file *m = file->private_data;
+ struct seq_file *m = file->private_data;
struct obd_device *dev = m->private;
struct lod_device *lod;
- int val, rc;
+ u32 pattern;
+ int rc;
LASSERT(dev != NULL);
lod = lu2lod_dev(dev->obd_lu_dev);
- rc = lprocfs_write_helper(buffer, count, &val);
+ rc = kstrtouint_from_user(buffer, count, 0, &pattern);
if (rc)
return rc;
- lod_fix_desc_pattern(&val);
- lod->lod_desc.ld_pattern = val;
+ lod_fix_desc_pattern(&pattern);
+ lod->lod_desc.ld_pattern = pattern;
+
return count;
}
LPROC_SEQ_FOPS(lod_stripetype);
LASSERT(dev != NULL);
lod = lu2lod_dev(dev->obd_lu_dev);
- return seq_printf(m, "%d\n",
- (__s16)(lod->lod_desc.ld_default_stripe_count + 1) - 1);
+ seq_printf(m, "%d\n",
+ (__s16)(lod->lod_desc.ld_default_stripe_count + 1) - 1);
+ return 0;
}
/**
* \retval negative error code otherwise
*/
static ssize_t
-lod_stripecount_seq_write(struct file *file, const char *buffer,
+lod_stripecount_seq_write(struct file *file, const char __user *buffer,
size_t count, loff_t *off)
{
- struct seq_file *m = file->private_data;
+ struct seq_file *m = file->private_data;
struct obd_device *dev = m->private;
struct lod_device *lod;
- int val, rc;
+ u32 stripe_count;
+ int rc;
LASSERT(dev != NULL);
- lod = lu2lod_dev(dev->obd_lu_dev);
- rc = lprocfs_write_helper(buffer, count, &val);
+ lod = lu2lod_dev(dev->obd_lu_dev);
+ rc = kstrtouint_from_user(buffer, count, 0, &stripe_count);
if (rc)
return rc;
- lod_fix_desc_stripe_count(&val);
- lod->lod_desc.ld_default_stripe_count = val;
+ lod_fix_desc_stripe_count(&stripe_count);
+ lod->lod_desc.ld_default_stripe_count = stripe_count;
+
return count;
}
LPROC_SEQ_FOPS(lod_stripecount);
LASSERT(dev != NULL);
lod = lu2lod_dev(dev->obd_lu_dev);
- return seq_printf(m, "%u\n", lod->lod_desc.ld_tgt_count);
+ seq_printf(m, "%u\n", lod->lod_desc.ld_tgt_count);
+ return 0;
}
LPROC_SEQ_FOPS_RO(lod_numobd);
LASSERT(dev != NULL);
lod = lu2lod_dev(dev->obd_lu_dev);
- return seq_printf(m, "%u\n", lod->lod_desc.ld_active_tgt_count);
+ seq_printf(m, "%u\n", lod->lod_desc.ld_active_tgt_count);
+ return 0;
}
LPROC_SEQ_FOPS_RO(lod_activeobd);
LASSERT(dev != NULL);
lod = lu2lod_dev(dev->obd_lu_dev);
- return seq_printf(m, "%s\n", lod->lod_desc.ld_uuid.uuid);
+ seq_printf(m, "%s\n", lod->lod_desc.ld_uuid.uuid);
+ return 0;
}
LPROC_SEQ_FOPS_RO(lod_desc_uuid);
struct lod_device *lod = lu2lod_dev(dev->obd_lu_dev);
LASSERT(lod != NULL);
- return seq_printf(m, "%d%%\n",
- (lod->lod_qos.lq_prio_free * 100 + 255) >> 8);
+ seq_printf(m, "%d%%\n",
+ (lod->lod_qos.lq_prio_free * 100 + 255) >> 8);
+ return 0;
}
/**
lod_qos_priofree_seq_write(struct file *file, const char __user *buffer,
size_t count, loff_t *off)
{
- struct seq_file *m = file->private_data;
+ struct seq_file *m = file->private_data;
struct obd_device *dev = m->private;
struct lod_device *lod;
- int val, rc;
+ unsigned int val;
+ int rc;
LASSERT(dev != NULL);
lod = lu2lod_dev(dev->obd_lu_dev);
- rc = lprocfs_write_helper(buffer, count, &val);
+ rc = kstrtouint_from_user(buffer, count, 0, &val);
if (rc)
return rc;
lod->lod_qos.lq_prio_free = (val << 8) / 100;
lod->lod_qos.lq_dirty = 1;
lod->lod_qos.lq_reset = 1;
+
return count;
}
LPROC_SEQ_FOPS(lod_qos_priofree);
LASSERT(dev != NULL);
lod = lu2lod_dev(dev->obd_lu_dev);
- return seq_printf(m, "%d%%\n",
- (lod->lod_qos.lq_threshold_rr * 100 + 255) >> 8);
+ seq_printf(m, "%d%%\n",
+ (lod->lod_qos.lq_threshold_rr * 100 + 255) >> 8);
+ return 0;
}
/**
* \retval negative error code if failed
*/
static ssize_t
-lod_qos_thresholdrr_seq_write(struct file *file, const char *buffer,
+lod_qos_thresholdrr_seq_write(struct file *file, const char __user *buffer,
size_t count, loff_t *off)
{
- struct seq_file *m = file->private_data;
+ struct seq_file *m = file->private_data;
struct obd_device *dev = m->private;
struct lod_device *lod;
- int val, rc;
+ int rc;
+ __s64 val;
LASSERT(dev != NULL);
lod = lu2lod_dev(dev->obd_lu_dev);
- rc = lprocfs_write_helper(buffer, count, &val);
+ rc = lprocfs_str_with_units_to_s64(buffer, count, &val, '%');
if (rc)
return rc;
lod->lod_qos.lq_threshold_rr = (val << 8) / 100;
lod->lod_qos.lq_dirty = 1;
+
return count;
}
LPROC_SEQ_FOPS(lod_qos_thresholdrr);
LASSERT(dev != NULL);
lod = lu2lod_dev(dev->obd_lu_dev);
- return seq_printf(m, "%u Sec\n", lod->lod_desc.ld_qos_maxage);
+ seq_printf(m, "%u Sec\n", lod->lod_desc.ld_qos_maxage);
+ return 0;
}
/**
* \retval negative error code if failed
*/
static ssize_t
-lod_qos_maxage_seq_write(struct file *file, const char *buffer,
+lod_qos_maxage_seq_write(struct file *file, const char __user *buffer,
size_t count, loff_t *off)
{
- struct seq_file *m = file->private_data;
- struct obd_device *dev = m->private;
- struct lustre_cfg_bufs bufs;
- struct lod_device *lod;
- struct lu_device *next;
- struct lustre_cfg *lcfg;
- char str[32];
- unsigned int i;
- int val, rc;
+ struct seq_file *m = file->private_data;
+ struct obd_device *dev = m->private;
+ struct lustre_cfg_bufs bufs;
+ struct lod_device *lod;
+ struct lu_device *next;
+ struct lustre_cfg *lcfg;
+ char str[32];
+ unsigned int i;
+ int rc;
+ u32 val;
LASSERT(dev != NULL);
lod = lu2lod_dev(dev->obd_lu_dev);
- rc = lprocfs_write_helper(buffer, count, &val);
+ rc = kstrtouint_from_user(buffer, count, 0, &val);
if (rc)
return rc;
* propogate the value down to OSPs
*/
lustre_cfg_bufs_reset(&bufs, NULL);
- sprintf(str, "%smaxage=%d", PARAM_OSP, val);
+ snprintf(str, 32, "%smaxage=%u", PARAM_OSP, val);
lustre_cfg_bufs_set_string(&bufs, 1, str);
- lcfg = lustre_cfg_new(LCFG_PARAM, &bufs);
+ OBD_ALLOC(lcfg, lustre_cfg_len(bufs.lcfg_bufcount, bufs.lcfg_buflen));
if (lcfg == NULL)
return -ENOMEM;
+ lustre_cfg_init(lcfg, LCFG_PARAM, &bufs);
lod_getref(&lod->lod_ost_descs);
lod_foreach_ost(lod, i) {
CERROR("can't set maxage on #%d: %d\n", i, rc);
}
lod_putref(lod, &lod->lod_ost_descs);
- lustre_cfg_free(lcfg);
+ OBD_FREE(lcfg, lustre_cfg_len(lcfg->lcfg_bufcount, lcfg->lcfg_buflens));
return count;
}
} else if (rc)
return rc;
- return seq_printf(p, "%d: %s %sACTIVE\n", idx,
- obd_uuid2str(&ost_desc->ltd_uuid),
- active ? "" : "IN");
+ seq_printf(p, "%d: %s %sACTIVE\n", idx,
+ obd_uuid2str(&ost_desc->ltd_uuid),
+ active ? "" : "IN");
+ return 0;
}
static const struct seq_operations lod_osts_sops = {
return 0;
}
-LPROC_SEQ_FOPS_RO_TYPE(lod, uuid);
-
LPROC_SEQ_FOPS_RO_TYPE(lod, dt_blksize);
LPROC_SEQ_FOPS_RO_TYPE(lod, dt_kbytestotal);
LPROC_SEQ_FOPS_RO_TYPE(lod, dt_kbytesfree);
LASSERT(dev != NULL);
lod = lu2lod_dev(dev->obd_lu_dev);
- return seq_printf(m, "%d\n", lod->lod_lmv_failout ? 1 : 0);
+ seq_printf(m, "%d\n", lod->lod_lmv_failout ? 1 : 0);
+ return 0;
}
/**
* \retval negative error code if failed
*/
static ssize_t
-lod_lmv_failout_seq_write(struct file *file, const char *buffer,
+lod_lmv_failout_seq_write(struct file *file, const char __user *buffer,
size_t count, loff_t *off)
{
- struct seq_file *m = file->private_data;
- struct obd_device *dev = m->private;
- struct lod_device *lod;
- int val = 0;
- int rc;
+ struct seq_file *m = file->private_data;
+ struct obd_device *dev = m->private;
+ struct lod_device *lod;
+ bool val = 0;
+ int rc;
LASSERT(dev != NULL);
lod = lu2lod_dev(dev->obd_lu_dev);
- rc = lprocfs_write_helper(buffer, count, &val);
- if (rc != 0)
+ rc = kstrtobool_from_user(buffer, count, &val);
+ if (rc)
return rc;
- if (val != 0)
- lod->lod_lmv_failout = 1;
- else
- lod->lod_lmv_failout = 0;
+ lod->lod_lmv_failout = val;
return count;
}
LPROC_SEQ_FOPS(lod_lmv_failout);
-static struct lprocfs_seq_vars lprocfs_lod_obd_vars[] = {
- { .name = "uuid",
- .fops = &lod_uuid_fops },
+static struct lprocfs_vars lprocfs_lod_obd_vars[] = {
{ .name = "stripesize",
.fops = &lod_stripesize_fops },
{ .name = "stripeoffset",
.fops = &lod_qos_maxage_fops },
{ .name = "lmv_failout",
.fops = &lod_lmv_failout_fops },
+ {
+ .name = "dom_stripesize",
+ .fops = &lod_dom_stripesize_fops
+ },
{ NULL }
};
-static struct lprocfs_seq_vars lprocfs_lod_osd_vars[] = {
- { "blocksize", &lod_dt_blksize_fops },
- { "kbytestotal", &lod_dt_kbytestotal_fops },
- { "kbytesfree", &lod_dt_kbytesfree_fops },
- { "kbytesavail", &lod_dt_kbytesavail_fops },
- { "filestotal", &lod_dt_filestotal_fops },
- { "filesfree", &lod_dt_filesfree_fops },
- { NULL }
+static struct lprocfs_vars lprocfs_lod_osd_vars[] = {
+ { .name = "blocksize", .fops = &lod_dt_blksize_fops },
+ { .name = "kbytestotal", .fops = &lod_dt_kbytestotal_fops },
+ { .name = "kbytesfree", .fops = &lod_dt_kbytesfree_fops },
+ { .name = "kbytesavail", .fops = &lod_dt_kbytesavail_fops },
+ { .name = "filestotal", .fops = &lod_dt_filestotal_fops },
+ { .name = "filesfree", .fops = &lod_dt_filesfree_fops },
+ { .name = NULL }
};
static const struct file_operations lod_proc_target_fops = {
*/
int lod_procfs_init(struct lod_device *lod)
{
- struct obd_device *obd = lod2obd(lod);
- struct proc_dir_entry *lov_proc_dir = NULL;
- struct obd_type *type;
- int rc;
+ struct obd_device *obd = lod2obd(lod);
+ struct proc_dir_entry *lov_proc_dir;
+ struct obd_type *type;
+ struct kobject *lov;
+ int rc;
obd->obd_vars = lprocfs_lod_obd_vars;
- rc = lprocfs_obd_setup(obd);
+ rc = lprocfs_obd_setup(obd, true);
if (rc) {
CERROR("%s: cannot setup procfs entry: %d\n",
obd->obd_name, rc);
RETURN(rc);
}
- rc = lprocfs_seq_add_vars(obd->obd_proc_entry, lprocfs_lod_osd_vars,
- &lod->lod_dt_dev);
+ rc = lprocfs_add_vars(obd->obd_proc_entry, lprocfs_lod_osd_vars,
+ &lod->lod_dt_dev);
if (rc) {
CERROR("%s: cannot setup procfs entry: %d\n",
obd->obd_name, rc);
GOTO(out, rc);
}
- lod->lod_pool_proc_entry = lprocfs_seq_register("pools",
- obd->obd_proc_entry,
- NULL, NULL);
+ lod->lod_pool_proc_entry = lprocfs_register("pools",
+ obd->obd_proc_entry,
+ NULL, NULL);
if (IS_ERR(lod->lod_pool_proc_entry)) {
rc = PTR_ERR(lod->lod_pool_proc_entry);
lod->lod_pool_proc_entry = NULL;
GOTO(out, rc);
}
+ lov = kset_find_obj(lustre_kset, "lov");
+ if (lov) {
+ rc = sysfs_create_link(lov, &obd->obd_kset.kobj,
+ obd->obd_name);
+ kobject_put(lov);
+ }
+
+ lod->lod_debugfs = ldebugfs_add_symlink(obd->obd_name, "lov",
+ "../lod/%s", obd->obd_name);
+ if (!lod->lod_debugfs)
+ CERROR("%s: failed to create LOV debugfs symlink\n",
+ obd->obd_name);
+
/* If the real LOV is present which is the case for setups
* with both server and clients on the same node then use
* the LOV's proc root */
void lod_procfs_fini(struct lod_device *lod)
{
struct obd_device *obd = lod2obd(lod);
+ struct kobject *lov;
- if (lod->lod_symlink != NULL)
+ if (lod->lod_symlink != NULL) {
lprocfs_remove(&lod->lod_symlink);
+ lod->lod_symlink = NULL;
+ }
- if (lod->lod_pool_proc_entry != NULL) {
- lprocfs_remove(&lod->lod_pool_proc_entry);
- lod->lod_pool_proc_entry = NULL;
+ lov = kset_find_obj(lustre_kset, "lov");
+ if (lov) {
+ sysfs_remove_link(lov, obd->obd_name);
+ kobject_put(lov);
}
+ if (!IS_ERR_OR_NULL(lod->lod_debugfs))
+ ldebugfs_remove(&lod->lod_debugfs);
+
lprocfs_obd_cleanup(obd);
}
-#endif /* LPROCFS */
+#endif /* CONFIG_PROC_FS */