* Copyright 2008 Sun Microsystems, Inc. All rights reserved
* Use is subject to license terms.
*
- * Copyright (c) 2012, 2013, Intel Corporation.
+ * Copyright (c) 2012, 2015, Intel Corporation.
*/
/*
* This file is part of Lustre, http://www.lustre.org/
* called by Linux kernel's procfs.
*/
-#ifdef LPROCFS
+#ifdef CONFIG_PROC_FS
/**
* 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, LPU64"\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_to_s64(buffer, count, &val);
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, LPU64"\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;
+ __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_to_s64(buffer, count, &val);
if (rc)
return rc;
+ if (val < 0)
+ 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;
+ int rc;
+ __u32 pattern;
+ __s64 val;
LASSERT(dev != NULL);
lod = lu2lod_dev(dev->obd_lu_dev);
- rc = lprocfs_write_helper(buffer, count, &val);
+ rc = lprocfs_str_to_s64(buffer, count, &val);
if (rc)
return rc;
+ if (val < 0)
+ return -ERANGE;
+
+ pattern = val;
+ lod_fix_desc_pattern(&pattern);
+ lod->lod_desc.ld_pattern = pattern;
- lod_fix_desc_pattern(&val);
- lod->lod_desc.ld_pattern = val;
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;
+ int rc;
+ __s64 val;
+ __u32 stripe_count;
LASSERT(dev != NULL);
lod = lu2lod_dev(dev->obd_lu_dev);
- rc = lprocfs_write_helper(buffer, count, &val);
+ rc = lprocfs_str_to_s64(buffer, count, &val);
if (rc)
return rc;
+ if (val < 0)
+ return -ERANGE;
+
+ stripe_count = val;
+ lod_fix_desc_stripe_count(&stripe_count);
+ lod->lod_desc.ld_default_stripe_count = stripe_count;
- lod_fix_desc_stripe_count(&val);
- lod->lod_desc.ld_default_stripe_count = val;
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;
+ int rc;
+ __s64 val;
LASSERT(dev != NULL);
lod = lu2lod_dev(dev->obd_lu_dev);
- rc = lprocfs_write_helper(buffer, count, &val);
+ rc = lprocfs_str_to_s64(buffer, count, &val);
if (rc)
return rc;
- if (val > 100)
+ if (val < 0 || val > 100)
return -EINVAL;
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;
+ __s64 val;
LASSERT(dev != NULL);
lod = lu2lod_dev(dev->obd_lu_dev);
- rc = lprocfs_write_helper(buffer, count, &val);
+ rc = lprocfs_str_to_s64(buffer, count, &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, (__u32)val);
lustre_cfg_bufs_set_string(&bufs, 1, str);
lcfg = lustre_cfg_new(LCFG_PARAM, &bufs);
+ if (lcfg == NULL)
+ return -ENOMEM;
+
lod_getref(&lod->lod_ost_descs);
lod_foreach_ost(lod, i) {
next = &OST_TGT(lod,i)->ltd_ost->dd_lu_dev;
} 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 = {
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;
+ __s64 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 = lprocfs_str_to_s64(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;
}
.fops = &lod_qos_maxage_fops },
{ .name = "lmv_failout",
.fops = &lod_lmv_failout_fops },
- { 0 }
+ { NULL }
};
static struct lprocfs_vars lprocfs_lod_osd_vars[] = {
{ "kbytesavail", &lod_dt_kbytesavail_fops },
{ "filestotal", &lod_dt_filestotal_fops },
{ "filesfree", &lod_dt_filesfree_fops },
- { 0 }
+ { NULL }
};
static const struct file_operations lod_proc_target_fops = {
{
struct obd_device *obd = lod2obd(lod);
- 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);
lprocfs_obd_cleanup(obd);
}
-#endif /* LPROCFS */
+#endif /* CONFIG_PROC_FS */