static ssize_t
ldiskfs_osd_full_scrub_threshold_rate_seq_write(struct file *file,
const char __user *buffer,
size_t count, loff_t *off)
{
struct seq_file *m = file->private_data;
struct dt_device *dt = m->private;
struct osd_device *dev = osd_dt_dev(dt);
int rc;
__s64 val;
LASSERT(dev != NULL);
if (unlikely(dev->od_mnt == NULL))
return -EINPROGRESS;
rc = lprocfs_str_to_s64(buffer, count, &val);
if (rc != 0)
return rc;
if (val < 0)
return -EINVAL;
dev->od_full_scrub_threshold_rate = val;
return count;
}
/**
* Set QoS free space priority parameter.
*
* Set the relative priority of free OST space compared to OST load when OSTs
* are space imbalanced. See lod_qos_priofree_seq_show() for description of
* this parameter. See lod_qos_thresholdrr_seq_write() and lq_threshold_rr to
* determine what constitutes "space imbalanced" OSTs.
*
* \param[in] file proc file
* \param[in] buffer string which contains the free space priority (0-100)
* \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_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 obd_device *dev = m->private;
struct lod_device *lod;
int rc;
__s64 val;
LASSERT(dev != NULL);
lod = lu2lod_dev(dev->obd_lu_dev);
rc = lprocfs_str_to_s64(buffer, count, &val);
if (rc)
return rc;
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;
}
/**
* Set default number of stripes.
*
* \param[in] file proc file
* \param[in] buffer string containing the default number of stripes
* for new files
* \param[in] count @buffer length
* \param[in] off unused for single entry
*
* \retval @count on success
* \retval negative error code otherwise
*/
static ssize_t
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 obd_device *dev = m->private;
struct lod_device *lod;
int rc;
__s64 val;
__u32 stripe_count;
LASSERT(dev != NULL);
lod = lu2lod_dev(dev->obd_lu_dev);
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;
return count;
}
static ssize_t
ldiskfs_osd_index_in_idif_seq_write(struct file *file,
const char __user *buffer,
size_t count, loff_t *off)
{
struct lu_env env;
struct seq_file *m = file->private_data;
struct dt_device *dt = m->private;
struct osd_device *dev = osd_dt_dev(dt);
struct lu_target *tgt;
__s64 val;
int rc;
LASSERT(dev != NULL);
if (unlikely(dev->od_mnt == NULL))
return -EINPROGRESS;
rc = lprocfs_str_to_s64(buffer, count, &val);
if (rc != 0)
return rc;
if (dev->od_index_in_idif) {
if (val != 0)
return count;
LCONSOLE_WARN("%s: OST-index in IDIF has been enabled, "
"it cannot be reverted back.\n", osd_name(dev));
return -EPERM;
}
if (val == 0)
return count;
rc = lu_env_init(&env, LCT_DT_THREAD);
if (rc != 0)
return rc;
tgt = dev->od_dt_dev.dd_lu_dev.ld_site->ls_tgt;
tgt->lut_lsd.lsd_feature_rocompat |= OBD_ROCOMPAT_IDX_IN_IDIF;
rc = tgt_server_data_update(&env, tgt, 1);
lu_env_fini(&env);
if (rc < 0)
return rc;
LCONSOLE_INFO("%s: enable OST-index in IDIF successfully, "
"it cannot be reverted back.\n", osd_name(dev));
dev->od_index_in_idif = 1;
return count;
}
static ssize_t
ldiskfs_osd_pdo_seq_write(struct file *file, const char __user *buffer,
size_t count, loff_t *off)
{
int rc;
__s64 pdo;
rc = lprocfs_str_to_s64(buffer, count, &pdo);
if (rc != 0)
return rc;
ldiskfs_pdo = !!pdo;
return count;
}
static ssize_t
ldiskfs_osd_track_declares_assert_seq_write(struct file *file,
const char __user *buffer,
size_t count, loff_t *off)
{
__s64 track_declares_assert;
int rc;
rc = lprocfs_str_to_s64(buffer, count, &track_declares_assert);
if (rc != 0)
return rc;
ldiskfs_track_declares_assert = !!track_declares_assert;
return count;
}
static ssize_t
gss_lk_proc_dl_seq_write(struct file *file, const char __user *buffer,
size_t count, loff_t *off)
{
int rc;
__s64 val;
rc = lprocfs_str_to_s64(buffer, count, &val);
if (rc < 0)
return rc;
if (val < 0 || val > 4)
return -ERANGE;
gss_lk_debug_level = val;
return count;
}
static ssize_t
mdd_sync_perm_seq_write(struct file *file, const char __user *buffer,
size_t count, loff_t *off)
{
struct seq_file *m = file->private_data;
struct mdd_device *mdd = m->private;
int rc;
__s64 val;
LASSERT(mdd != NULL);
rc = lprocfs_str_to_s64(buffer, count, &val);
if (rc)
return rc;
mdd->mdd_sync_permission = !!val;
return count;
}
static ssize_t
mdd_lfsck_speed_limit_seq_write(struct file *file, const char __user *buffer,
size_t count, loff_t *off)
{
struct seq_file *m = file->private_data;
struct mdd_device *mdd = m->private;
__s64 val;
int rc;
LASSERT(mdd != NULL);
rc = lprocfs_str_to_s64(buffer, count, &val);
if (rc != 0)
return rc;
if (val < 0 || val > INT_MAX)
return -ERANGE;
rc = lfsck_set_speed(mdd->mdd_bottom, val);
return rc != 0 ? rc : count;
}
/**
* Set expiration period used to refresh cached statfs data.
*
* \param[in] file proc file
* \param[in] buffer string contains maximum age of statfs data in seconds
* \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_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 rc;
__s64 val;
LASSERT(dev != NULL);
lod = lu2lod_dev(dev->obd_lu_dev);
rc = lprocfs_str_to_s64(buffer, count, &val);
if (rc)
return rc;
if (val <= 0)
return -EINVAL;
lod->lod_desc.ld_qos_maxage = val;
/*
* propogate the value down to OSPs
*/
lustre_cfg_bufs_reset(&bufs, NULL);
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;
rc = next->ld_ops->ldo_process_config(NULL, next, lcfg);
if (rc)
CERROR("can't set maxage on #%d: %d\n", i, rc);
}
static ssize_t
ldiskfs_osd_wcache_seq_write(struct file *file, const char __user *buffer,
size_t count, loff_t *off)
{
struct seq_file *m = file->private_data;
struct dt_device *dt = m->private;
struct osd_device *osd = osd_dt_dev(dt);
int rc;
__s64 val;
LASSERT(osd != NULL);
if (unlikely(osd->od_mnt == NULL))
return -EINPROGRESS;
rc = lprocfs_str_to_s64(buffer, count, &val);
if (rc)
return rc;
osd->od_writethrough_cache = !!val;
return count;
}