#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
+ * Show DoM default stripe size.
*/
-static int lod_dom_stripesize_seq_show(struct seq_file *m, void *v)
+static ssize_t dom_stripesize_show(struct kobject *kobj, struct attribute *attr,
+ char *buf)
{
- struct obd_device *dev = m->private;
- struct lod_device *lod;
+ struct dt_device *dt = container_of(kobj, struct dt_device,
+ dd_kobj);
+ struct lod_device *lod = dt2lod_dev(dt);
- LASSERT(dev != NULL);
- lod = lu2lod_dev(dev->obd_lu_dev);
- seq_printf(m, "%u\n", lod->lod_dom_max_stripesize);
- return 0;
+ return snprintf(buf, PAGE_SIZE, "%u\n", lod->lod_dom_max_stripesize);
}
/**
- * 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
+ * Set DoM default stripe size.
*/
-static ssize_t
-lod_dom_stripesize_seq_write(struct file *file, const char __user *buffer,
- size_t count, loff_t *off)
+static ssize_t dom_stripesize_store(struct kobject *kobj,
+ struct attribute *attr, const char *buffer,
+ size_t count)
{
- struct seq_file *m = file->private_data;
- struct obd_device *dev = m->private;
- struct lod_device *lod;
+ struct dt_device *dt = container_of(kobj, struct dt_device,
+ dd_kobj);
+ struct lod_device *lod = dt2lod_dev(dt);
+ char tbuf[22] = "";
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 (count > (sizeof(tbuf) - 1))
+ return -EINVAL;
+
+ memcpy(tbuf, buffer, count);
+
+ rc = lu_str_to_s64(tbuf, 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) {
+
+ if (val > 0) {
if (val < LOV_MIN_STRIPE_SIZE) {
LCONSOLE_INFO("Increasing provided stripe size to "
"a minimum value %u\n",
return count;
}
-LPROC_SEQ_FOPS(lod_dom_stripesize);
-/**
- * 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_stripesize_seq_show(struct seq_file *m, void *v)
+LUSTRE_RW_ATTR(dom_stripesize);
+
+static ssize_t stripesize_show(struct kobject *kobj, struct attribute *attr,
+ char *buf)
{
- struct obd_device *dev = m->private;
- struct lod_device *lod;
+ struct dt_device *dt = container_of(kobj, struct dt_device,
+ dd_kobj);
+ struct lod_device *lod = dt2lod_dev(dt);
- LASSERT(dev != NULL);
- lod = lu2lod_dev(dev->obd_lu_dev);
- seq_printf(m, "%llu\n",
- lod->lod_ost_descs.ltd_lov_desc.ld_default_stripe_size);
- return 0;
+ return snprintf(buf, PAGE_SIZE, "%llu\n",
+ lod->lod_ost_descs.ltd_lov_desc.ld_default_stripe_size);
}
-/**
- * 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_stripesize_seq_write(struct file *file, const char __user *buffer,
- size_t count, loff_t *off)
+static ssize_t stripesize_store(struct kobject *kobj, struct attribute *attr,
+ const char *buffer, size_t count)
{
- struct seq_file *m = file->private_data;
- struct obd_device *dev = m->private;
- struct lod_device *lod;
+ struct dt_device *dt = container_of(kobj, struct dt_device,
+ dd_kobj);
+ struct lod_device *lod = dt2lod_dev(dt);
+ char tbuf[22] = "";
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 (count > (sizeof(tbuf) - 1))
+ return -EINVAL;
+
+ memcpy(tbuf, buffer, count);
+
+ rc = lu_str_to_s64(tbuf, count, &val, '1');
if (rc)
return rc;
+
if (val < 0)
return -ERANGE;
return count;
}
-LPROC_SEQ_FOPS(lod_stripesize);
+
+LUSTRE_RW_ATTR(stripesize);
/**
* Show default stripe offset.
- *
- * \param[in] m seq file
- * \param[in] v unused for single entry
- *
- * \retval 0 on success
- * \retval negative error code if failed
*/
static ssize_t stripeoffset_show(struct kobject *kobj, struct attribute *attr,
char *buf)
dd_kobj);
struct lod_device *lod = dt2lod_dev(dt);
- return sprintf(buf, "%lld\n",
+ return snprintf(buf, PAGE_SIZE, "%lld\n",
lod->lod_ost_descs.ltd_lov_desc.ld_default_stripe_offset);
}
*
* Usually contains -1 allowing Lustre to balance objects among OST
* otherwise may cause severe OST imbalance.
- *
- * \param[in] file proc file
- * \param[in] buffer string describing starting OST index for new files
- * \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 stripeoffset_store(struct kobject *kobj, struct attribute *attr,
- const char *buffer, size_t count)
+static ssize_t stripeoffset_store(struct kobject *kobj,
+ struct attribute *attr,
+ const char *buffer, size_t count)
{
struct dt_device *dt = container_of(kobj, struct dt_device,
dd_kobj);
return count;
}
+
LUSTRE_RW_ATTR(stripeoffset);
/**
* Show default striping pattern (LOV_PATTERN_*).
- *
- * \param[in] m seq file
- * \param[in] v unused for single entry
- *
- * \retval 0 on success
- * \retval negative error code if failed
*/
-static ssize_t stripetype_show(struct kobject *kobj, struct attribute *attr,
- char *buf)
+static ssize_t __stripetype_show(struct kobject *kobj, struct attribute *attr,
+ char *buf, bool is_mdt)
{
struct dt_device *dt = container_of(kobj, struct dt_device,
dd_kobj);
struct lod_device *lod = dt2lod_dev(dt);
+ struct lu_tgt_descs *ltd = is_mdt ? &lod->lod_mdt_descs :
+ &lod->lod_ost_descs;
+
+ return snprintf(buf, PAGE_SIZE, "%u\n", ltd->ltd_lov_desc.ld_pattern);
+}
- return sprintf(buf, "%u\n", lod->lod_ost_descs.ltd_lov_desc.ld_pattern);
+static ssize_t mdt_stripetype_show(struct kobject *kobj, struct attribute *attr,
+ char *buf)
+{
+ return __stripetype_show(kobj, attr, buf, true);
+}
+
+static ssize_t stripetype_show(struct kobject *kobj, struct attribute *attr,
+ char *buf)
+{
+ return __stripetype_show(kobj, attr, buf, false);
}
/**
* Set default striping pattern (a number, not a human-readable string).
- *
- * \param[in] file proc file
- * \param[in] buffer string containing the default striping pattern for new
- * files. This is an integer LOV_PATTERN_* value
- * \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 stripetype_store(struct kobject *kobj, struct attribute *attr,
- const char *buffer, size_t count)
+static ssize_t __stripetype_store(struct kobject *kobj, struct attribute *attr,
+ const char *buffer, size_t count, bool is_mdt)
{
struct dt_device *dt = container_of(kobj, struct dt_device,
dd_kobj);
struct lod_device *lod = dt2lod_dev(dt);
+ struct lu_tgt_descs *ltd = is_mdt ? &lod->lod_mdt_descs :
+ &lod->lod_ost_descs;
u32 pattern;
int rc;
if (rc)
return rc;
- lod_fix_desc_pattern(&pattern);
- lod->lod_ost_descs.ltd_lov_desc.ld_pattern = pattern;
+ if (is_mdt)
+ lod_fix_lmv_desc_pattern(&pattern);
+ else
+ lod_fix_desc_pattern(&pattern);
+
+ ltd->ltd_lov_desc.ld_pattern = pattern;
return count;
}
+
+static ssize_t mdt_stripetype_store(struct kobject *kobj,
+ struct attribute *attr, const char *buffer,
+ size_t count)
+{
+ return __stripetype_store(kobj, attr, buffer, count, true);
+}
+
+static ssize_t stripetype_store(struct kobject *kobj,
+ struct attribute *attr, const char *buffer,
+ size_t count)
+{
+ return __stripetype_store(kobj, attr, buffer, count, false);
+}
+
+LUSTRE_RW_ATTR(mdt_stripetype);
LUSTRE_RW_ATTR(stripetype);
/**
* Show default number of stripes.
- *
- * \param[in] m seq file
- * \param[in] v unused for single entry
- *
- * \retval 0 on success,
- * \retval negative error code if failed
*/
-static ssize_t stripecount_show(struct kobject *kobj, struct attribute *attr,
- char *buf)
+static ssize_t __stripecount_show(struct kobject *kobj, struct attribute *attr,
+ char *buf, bool is_mdt)
{
struct dt_device *dt = container_of(kobj, struct dt_device,
dd_kobj);
struct lod_device *lod = dt2lod_dev(dt);
- struct lov_desc *desc = &lod->lod_ost_descs.ltd_lov_desc;
+ struct lov_desc *desc = is_mdt ? &lod->lod_mdt_descs.ltd_lov_desc :
+ &lod->lod_ost_descs.ltd_lov_desc;
- return sprintf(buf, "%d\n",
+ return snprintf(buf, PAGE_SIZE, "%d\n",
(s16)(desc->ld_default_stripe_count + 1) - 1);
}
+static ssize_t mdt_stripecount_show(struct kobject *kobj,
+ struct attribute *attr, char *buf)
+{
+ return __stripecount_show(kobj, attr, buf, true);
+}
+
+static ssize_t stripecount_show(struct kobject *kobj, struct attribute *attr,
+ char *buf)
+{
+ return __stripecount_show(kobj, attr, buf, false);
+}
+
/**
* 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 stripecount_store(struct kobject *kobj, struct attribute *attr,
- const char *buffer, size_t count)
+static ssize_t __stripecount_store(struct kobject *kobj, struct attribute *attr,
+ const char *buffer, size_t count,
+ bool is_mdt)
{
struct dt_device *dt = container_of(kobj, struct dt_device,
dd_kobj);
struct lod_device *lod = dt2lod_dev(dt);
+ struct lu_tgt_descs *ltd = is_mdt ? &lod->lod_mdt_descs :
+ &lod->lod_ost_descs;
int stripe_count;
int rc;
return -ERANGE;
lod_fix_desc_stripe_count(&stripe_count);
- lod->lod_ost_descs.ltd_lov_desc.ld_default_stripe_count = stripe_count;
+ ltd->ltd_lov_desc.ld_default_stripe_count = stripe_count;
return count;
}
+
+static ssize_t mdt_stripecount_store(struct kobject *kobj,
+ struct attribute *attr,
+ const char *buffer, size_t count)
+{
+ return __stripecount_store(kobj, attr, buffer, count, true);
+}
+
+static ssize_t stripecount_store(struct kobject *kobj,
+ struct attribute *attr,
+ const char *buffer, size_t count)
+{
+ return __stripecount_store(kobj, attr, buffer, count, false);
+}
+
+LUSTRE_RW_ATTR(mdt_stripecount);
LUSTRE_RW_ATTR(stripecount);
/**
* Show number of targets.
- *
- * \param[in] m seq file
- * \param[in] v unused for single entry
- *
- * \retval 0 on success
- * \retval negative error code if failed
*/
-static ssize_t numobd_show(struct kobject *kobj, struct attribute *attr,
- char *buf)
+static ssize_t __numobd_show(struct kobject *kobj, struct attribute *attr,
+ char *buf, bool is_mdt)
{
struct dt_device *dt = container_of(kobj, struct dt_device,
dd_kobj);
struct lod_device *lod = dt2lod_dev(dt);
+ struct lu_tgt_descs *ltd = is_mdt ? &lod->lod_mdt_descs :
+ &lod->lod_ost_descs;
+
+ return snprintf(buf, PAGE_SIZE, "%u\n", ltd->ltd_lov_desc.ld_tgt_count);
+}
+
+static ssize_t mdt_numobd_show(struct kobject *kobj, struct attribute *attr,
+ char *buf)
+{
+ return __numobd_show(kobj, attr, buf, true);
+}
- return sprintf(buf, "%u\n", lod->lod_ost_count);
+static ssize_t numobd_show(struct kobject *kobj, struct attribute *attr,
+ char *buf)
+{
+ return __numobd_show(kobj, attr, buf, false);
}
+
+LUSTRE_RO_ATTR(mdt_numobd);
LUSTRE_RO_ATTR(numobd);
/**
* Show number of active targets.
- *
- * \param[in] m seq file
- * \param[in] v unused for single entry
- *
- * \retval 0 on success
- * \retval negative error code if failed
*/
-static ssize_t activeobd_show(struct kobject *kobj, struct attribute *attr,
- char *buf)
+static ssize_t __activeobd_show(struct kobject *kobj, struct attribute *attr,
+ char *buf, bool is_mdt)
{
struct dt_device *dt = container_of(kobj, struct dt_device,
dd_kobj);
struct lod_device *lod = dt2lod_dev(dt);
+ struct lu_tgt_descs *ltd = is_mdt ? &lod->lod_mdt_descs :
+ &lod->lod_ost_descs;
+
+ return snprintf(buf, PAGE_SIZE, "%u\n",
+ ltd->ltd_lov_desc.ld_active_tgt_count);
+}
- return sprintf(buf, "%u\n",
- lod->lod_ost_descs.ltd_lov_desc.ld_active_tgt_count);
+static ssize_t mdt_activeobd_show(struct kobject *kobj, struct attribute *attr,
+ char *buf)
+{
+ return __activeobd_show(kobj, attr, buf, true);
}
+
+static ssize_t activeobd_show(struct kobject *kobj, struct attribute *attr,
+ char *buf)
+{
+ return __activeobd_show(kobj, attr, buf, false);
+}
+
+LUSTRE_RO_ATTR(mdt_activeobd);
LUSTRE_RO_ATTR(activeobd);
/**
* Show UUID of LOD device.
- *
- * \param[in] m seq file
- * \param[in] v unused for single entry
- *
- * \retval 0 on success
- * \retval negative error code if failed
*/
static ssize_t desc_uuid_show(struct kobject *kobj, struct attribute *attr,
char *buf)
dd_kobj);
struct lod_device *lod = dt2lod_dev(dt);
- return sprintf(buf, "%s\n",
+ return snprintf(buf, PAGE_SIZE, "%s\n",
lod->lod_ost_descs.ltd_lov_desc.ld_uuid.uuid);
}
LUSTRE_RO_ATTR(desc_uuid);
* of free space compared to performance. 0% means select OSTs equally
* regardless of their free space, 100% means select OSTs only by their free
* space even if it results in very imbalanced load on the OSTs.
- *
- * \param[in] m seq file
- * \param[in] v unused for single entry
- *
- * \retval 0 on success
- * \retval negative error code if failed
*/
-static ssize_t qos_prio_free_show(struct kobject *kobj, struct attribute *attr,
- char *buf)
+static ssize_t __qos_prio_free_show(struct kobject *kobj,
+ struct attribute *attr, char *buf,
+ bool is_mdt)
{
struct dt_device *dt = container_of(kobj, struct dt_device,
dd_kobj);
struct lod_device *lod = dt2lod_dev(dt);
+ struct lu_tgt_descs *ltd = is_mdt ? &lod->lod_mdt_descs :
+ &lod->lod_ost_descs;
+
+ return snprintf(buf, PAGE_SIZE, "%d%%\n",
+ (ltd->ltd_qos.lq_prio_free * 100 + 255) >> 8);
+}
- return sprintf(buf, "%d%%\n",
- (lod->lod_ost_descs.ltd_qos.lq_prio_free * 100 + 255) >>
- 8);
+static ssize_t mdt_qos_prio_free_show(struct kobject *kobj,
+ struct attribute *attr, char *buf)
+{
+ return __qos_prio_free_show(kobj, attr, buf, true);
+}
+
+static ssize_t qos_prio_free_show(struct kobject *kobj,
+ struct attribute *attr, char *buf)
+{
+ return __qos_prio_free_show(kobj, attr, buf, false);
}
/**
* 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
+ * are space imbalanced. See qos_priofree_show() for description of
+ * this parameter. See qos_thresholdrr_store() 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 qos_prio_free_store(struct kobject *kobj, struct attribute *attr,
- const char *buffer, size_t count)
+static ssize_t __qos_prio_free_store(struct kobject *kobj,
+ struct attribute *attr,
+ const char *buffer, size_t count,
+ bool is_mdt)
{
struct dt_device *dt = container_of(kobj, struct dt_device,
dd_kobj);
struct lod_device *lod = dt2lod_dev(dt);
+ struct lu_tgt_descs *ltd = is_mdt ? &lod->lod_mdt_descs :
+ &lod->lod_ost_descs;
unsigned int val;
int rc;
if (val > 100)
return -EINVAL;
- lod->lod_ost_descs.ltd_qos.lq_prio_free = (val << 8) / 100;
- lod->lod_ost_descs.ltd_qos.lq_dirty = 1;
- lod->lod_ost_descs.ltd_qos.lq_reset = 1;
+ ltd->ltd_qos.lq_prio_free = (val << 8) / 100;
+ ltd->ltd_qos.lq_dirty = 1;
+ ltd->ltd_qos.lq_reset = 1;
return count;
}
+
+static ssize_t mdt_qos_prio_free_store(struct kobject *kobj,
+ struct attribute *attr,
+ const char *buffer, size_t count)
+{
+ return __qos_prio_free_store(kobj, attr, buffer, count, true);
+}
+
+static ssize_t qos_prio_free_store(struct kobject *kobj, struct attribute *attr,
+ const char *buffer, size_t count)
+{
+ return __qos_prio_free_store(kobj, attr, buffer, count, false);
+}
+
+LUSTRE_RW_ATTR(mdt_qos_prio_free);
LUSTRE_RW_ATTR(qos_prio_free);
/**
* Show threshold for "same space on all OSTs" rule.
- *
- * \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_qos_thresholdrr_seq_show(struct seq_file *m, void *v)
+static ssize_t __qos_thresholdrr_show(struct kobject *kobj,
+ struct attribute *attr, char *buf,
+ bool is_mdt)
{
- struct obd_device *dev = m->private;
- struct lod_device *lod;
+ struct dt_device *dt = container_of(kobj, struct dt_device,
+ dd_kobj);
+ struct lod_device *lod = dt2lod_dev(dt);
+ struct lu_tgt_descs *ltd = is_mdt ? &lod->lod_mdt_descs :
+ &lod->lod_ost_descs;
- LASSERT(dev != NULL);
- lod = lu2lod_dev(dev->obd_lu_dev);
- seq_printf(m, "%d%%\n",
- (lod->lod_ost_descs.ltd_qos.lq_threshold_rr * 100 + 255) >>
- 8);
- return 0;
+ return snprintf(buf, PAGE_SIZE, "%d%%\n",
+ (ltd->ltd_qos.lq_threshold_rr * 100 + 255) >> 8);
+}
+
+static ssize_t mdt_qos_thresholdrr_show(struct kobject *kobj,
+ struct attribute *attr, char *buf)
+{
+ return __qos_thresholdrr_show(kobj, attr, buf, true);
+}
+
+static ssize_t qos_thresholdrr_show(struct kobject *kobj,
+ struct attribute *attr, char *buf)
+{
+ return __qos_thresholdrr_show(kobj, attr, buf, false);
}
/**
* is exceeded, use the QoS allocator to select OSTs based on their available
* space so that more full OSTs are chosen less often, otherwise use the
* round-robin allocator for efficiency and performance.
-
- * \param[in] file proc file
- * \param[in] buffer string containing percentage difference of free space
- * \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_thresholdrr_seq_write(struct file *file, const char __user *buffer,
- size_t count, loff_t *off)
+static ssize_t __qos_thresholdrr_store(struct kobject *kobj,
+ struct attribute *attr,
+ const char *buffer, size_t count,
+ bool is_mdt)
{
- struct seq_file *m = file->private_data;
- struct obd_device *dev = m->private;
- struct lod_device *lod;
+ struct dt_device *dt = container_of(kobj, struct dt_device,
+ dd_kobj);
+ struct lod_device *lod = dt2lod_dev(dt);
+ struct lu_tgt_descs *ltd = is_mdt ? &lod->lod_mdt_descs :
+ &lod->lod_ost_descs;
+ unsigned int val;
int rc;
- __s64 val;
- LASSERT(dev != NULL);
- lod = lu2lod_dev(dev->obd_lu_dev);
-
- rc = lprocfs_str_with_units_to_s64(buffer, count, &val, '%');
+ rc = kstrtouint(buffer, 0, &val);
if (rc)
return rc;
- if (val > 100 || val < 0)
+ if (val > 100)
return -EINVAL;
-
- lod->lod_ost_descs.ltd_qos.lq_threshold_rr = (val << 8) / 100;
- lod->lod_ost_descs.ltd_qos.lq_dirty = 1;
+ ltd->ltd_qos.lq_threshold_rr = (val << 8) / 100;
+ ltd->ltd_qos.lq_dirty = 1;
return count;
}
-LPROC_SEQ_FOPS(lod_qos_thresholdrr);
+
+static ssize_t mdt_qos_thresholdrr_store(struct kobject *kobj,
+ struct attribute *attr,
+ const char *buffer, size_t count)
+{
+ return __qos_thresholdrr_store(kobj, attr, buffer, count, true);
+}
+
+static ssize_t qos_thresholdrr_store(struct kobject *kobj,
+ struct attribute *attr,
+ const char *buffer, size_t count)
+{
+ return __qos_thresholdrr_store(kobj, attr, buffer, count, false);
+}
+
+LUSTRE_RW_ATTR(mdt_qos_thresholdrr);
+LUSTRE_RW_ATTR(qos_thresholdrr);
/**
* Show expiration period used to refresh cached statfs data, which
* is used to implement QoS/RR striping allocation algorithm.
- *
- * \param[in] m seq file
- * \param[in] v unused for single entry
- *
- * \retval 0 on success
- * \retval negative error code if failed
*/
-static ssize_t qos_maxage_show(struct kobject *kobj, struct attribute *attr,
- char *buf)
+static ssize_t __qos_maxage_show(struct kobject *kobj, struct attribute *attr,
+ char *buf, bool is_mdt)
{
struct dt_device *dt = container_of(kobj, struct dt_device,
dd_kobj);
struct lod_device *lod = dt2lod_dev(dt);
+ struct lu_tgt_descs *ltd = is_mdt ? &lod->lod_mdt_descs :
+ &lod->lod_ost_descs;
- return sprintf(buf, "%u Sec\n",
- lod->lod_ost_descs.ltd_lov_desc.ld_qos_maxage);
+ return snprintf(buf, PAGE_SIZE, "%u Sec\n",
+ ltd->ltd_lov_desc.ld_qos_maxage);
+}
+
+static ssize_t mdt_qos_maxage_show(struct kobject *kobj, struct attribute *attr,
+ char *buf)
+{
+ return __qos_maxage_show(kobj, attr, buf, true);
+}
+
+static ssize_t qos_maxage_show(struct kobject *kobj, struct attribute *attr,
+ char *buf)
+{
+ return __qos_maxage_show(kobj, attr, buf, true);
}
/**
* 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 qos_maxage_store(struct kobject *kobj, struct attribute *attr,
- const char *buffer, size_t count)
+static ssize_t __qos_maxage_store(struct kobject *kobj, struct attribute *attr,
+ const char *buffer, size_t count, bool is_mdt)
{
struct dt_device *dt = container_of(kobj, struct dt_device,
dd_kobj);
struct lod_device *lod = dt2lod_dev(dt);
+ struct lu_tgt_descs *ltd = is_mdt ? &lod->lod_mdt_descs :
+ &lod->lod_ost_descs;
struct lustre_cfg_bufs bufs;
struct lu_device *next;
struct lustre_cfg *lcfg;
if (val <= 0)
return -EINVAL;
- lod->lod_ost_descs.ltd_lov_desc.ld_qos_maxage = val;
+
+ ltd->ltd_lov_desc.ld_qos_maxage = val;
/*
* propogate the value down to OSPs
return -ENOMEM;
lustre_cfg_init(lcfg, LCFG_PARAM, &bufs);
- lod_getref(&lod->lod_ost_descs);
- lod_foreach_ost(lod, tgt) {
+ lod_getref(ltd);
+ ltd_foreach_tgt(ltd, tgt) {
next = &tgt->ltd_tgt->dd_lu_dev;
rc = next->ld_ops->ldo_process_config(NULL, next, lcfg);
if (rc)
CERROR("can't set maxage on #%d: %d\n",
tgt->ltd_index, rc);
}
- lod_putref(lod, &lod->lod_ost_descs);
+ lod_putref(lod, ltd);
OBD_FREE(lcfg, lustre_cfg_len(lcfg->lcfg_bufcount, lcfg->lcfg_buflens));
return count;
}
+
+static ssize_t mdt_qos_maxage_store(struct kobject *kobj,
+ struct attribute *attr,
+ const char *buffer, size_t count)
+{
+ return __qos_maxage_store(kobj, attr, buffer, count, true);
+}
+
+static ssize_t qos_maxage_store(struct kobject *kobj, struct attribute *attr,
+ const char *buffer, size_t count)
+{
+ return __qos_maxage_store(kobj, attr, buffer, count, false);
+}
+
+LUSTRE_RW_ATTR(mdt_qos_maxage);
LUSTRE_RW_ATTR(qos_maxage);
-static void *lod_osts_seq_start(struct seq_file *p, loff_t *pos)
+static void *lod_tgts_seq_start(struct seq_file *p, loff_t *pos, bool is_mdt)
{
struct obd_device *dev = p->private;
- struct lod_device *lod;
+ struct lod_device *lod = lu2lod_dev(dev->obd_lu_dev);
+ struct lu_tgt_descs *ltd = is_mdt ? &lod->lod_mdt_descs :
+ &lod->lod_ost_descs;
LASSERT(dev != NULL);
- lod = lu2lod_dev(dev->obd_lu_dev);
- lod_getref(&lod->lod_ost_descs); /* released in lod_osts_seq_stop */
- if (*pos >= lod->lod_ost_bitmap->size)
+ lod_getref(ltd); /* released in lod_tgts_seq_stop */
+ if (*pos >= ltd->ltd_tgt_bitmap->size)
return NULL;
- *pos = find_next_bit(lod->lod_ost_bitmap->data,
- lod->lod_ost_bitmap->size, *pos);
- if (*pos < lod->lod_ost_bitmap->size)
- return OST_TGT(lod,*pos);
+ *pos = find_next_bit(ltd->ltd_tgt_bitmap->data,
+ ltd->ltd_tgt_bitmap->size, *pos);
+ if (*pos < ltd->ltd_tgt_bitmap->size)
+ return LTD_TGT(ltd, *pos);
else
return NULL;
}
-static void lod_osts_seq_stop(struct seq_file *p, void *v)
+static void *lod_mdts_seq_start(struct seq_file *p, loff_t *pos)
+{
+ return lod_tgts_seq_start(p, pos, true);
+}
+
+static void *lod_osts_seq_start(struct seq_file *p, loff_t *pos)
+{
+ return lod_tgts_seq_start(p, pos, false);
+}
+
+static void lod_tgts_seq_stop(struct seq_file *p, void *v, bool is_mdt)
{
struct obd_device *dev = p->private;
- struct lod_device *lod;
+ struct lod_device *lod = lu2lod_dev(dev->obd_lu_dev);
+ struct lu_tgt_descs *ltd = is_mdt ? &lod->lod_mdt_descs :
+ &lod->lod_ost_descs;
LASSERT(dev != NULL);
- lod = lu2lod_dev(dev->obd_lu_dev);
- lod_putref(lod, &lod->lod_ost_descs);
+ lod_putref(lod, ltd);
}
-static void *lod_osts_seq_next(struct seq_file *p, void *v, loff_t *pos)
+static void lod_mdts_seq_stop(struct seq_file *p, void *v)
+{
+ lod_tgts_seq_stop(p, v, true);
+}
+
+static void lod_osts_seq_stop(struct seq_file *p, void *v)
+{
+ lod_tgts_seq_stop(p, v, false);
+}
+
+static void *lod_tgts_seq_next(struct seq_file *p, void *v, loff_t *pos,
+ bool is_mdt)
{
struct obd_device *dev = p->private;
struct lod_device *lod = lu2lod_dev(dev->obd_lu_dev);
+ struct lu_tgt_descs *ltd = is_mdt ? &lod->lod_mdt_descs :
+ &lod->lod_ost_descs;
- if (*pos >= lod->lod_ost_bitmap->size - 1)
+ if (*pos >= ltd->ltd_tgt_bitmap->size - 1)
return NULL;
- *pos = find_next_bit(lod->lod_ost_bitmap->data,
- lod->lod_ost_bitmap->size, *pos + 1);
- if (*pos < lod->lod_ost_bitmap->size)
- return OST_TGT(lod,*pos);
+ *pos = find_next_bit(ltd->ltd_tgt_bitmap->data,
+ ltd->ltd_tgt_bitmap->size, *pos + 1);
+ if (*pos < ltd->ltd_tgt_bitmap->size)
+ return LTD_TGT(ltd, *pos);
else
return NULL;
}
+static void *lod_mdts_seq_next(struct seq_file *p, void *v, loff_t *pos)
+{
+ return lod_tgts_seq_next(p, v, pos, true);
+}
+
+static void *lod_osts_seq_next(struct seq_file *p, void *v, loff_t *pos)
+{
+ return lod_tgts_seq_next(p, v, pos, false);
+}
+
/**
* Show active/inactive status for OST found by lod_osts_seq_next().
*
* \retval 0 on success
* \retval negative error code if failed
*/
-static int lod_osts_seq_show(struct seq_file *p, void *v)
+static int lod_tgts_seq_show(struct seq_file *p, void *v)
{
- struct obd_device *obd = p->private;
- struct lu_tgt_desc *ost_desc = v;
- struct lod_device *lod;
- int idx, rc, active;
- struct dt_device *next;
- struct obd_statfs sfs;
+ struct obd_device *obd = p->private;
+ struct lu_tgt_desc *tgt = v;
+ struct dt_device *next;
+ int rc, active;
LASSERT(obd->obd_lu_dev);
- lod = lu2lod_dev(obd->obd_lu_dev);
- idx = ost_desc->ltd_index;
- next = OST_TGT(lod, idx)->ltd_tgt;
- if (next == NULL)
+ next = tgt->ltd_tgt;
+ if (!next)
return -EINVAL;
/* XXX: should be non-NULL env, but it's very expensive */
active = 1;
- rc = dt_statfs(NULL, next, &sfs);
+ rc = dt_statfs(NULL, next, &tgt->ltd_statfs);
if (rc == -ENOTCONN) {
active = 0;
rc = 0;
} else if (rc)
return rc;
- seq_printf(p, "%d: %s %sACTIVE\n", idx,
- obd_uuid2str(&ost_desc->ltd_uuid),
+ seq_printf(p, "%d: %s %sACTIVE\n", tgt->ltd_index,
+ obd_uuid2str(&tgt->ltd_uuid),
active ? "" : "IN");
return 0;
}
+static const struct seq_operations lod_mdts_sops = {
+ .start = lod_mdts_seq_start,
+ .stop = lod_mdts_seq_stop,
+ .next = lod_mdts_seq_next,
+ .show = lod_tgts_seq_show,
+};
+
static const struct seq_operations lod_osts_sops = {
.start = lod_osts_seq_start,
.stop = lod_osts_seq_stop,
.next = lod_osts_seq_next,
- .show = lod_osts_seq_show,
+ .show = lod_tgts_seq_show,
};
+static int lod_mdts_seq_open(struct inode *inode, struct file *file)
+{
+ struct seq_file *seq;
+ int rc;
+
+ rc = seq_open(file, &lod_mdts_sops);
+ if (rc)
+ return rc;
+
+ seq = file->private_data;
+ seq->private = PDE_DATA(inode);
+ return 0;
+}
+
static int lod_osts_seq_open(struct inode *inode, struct file *file)
{
struct seq_file *seq;
/**
* Show whether special failout mode for testing is enabled or not.
- *
- * \param[in] m seq file
- * \param[in] v unused for single entry
- *
- * \retval 0 on success
- * \retval negative error code if failed
*/
static ssize_t lmv_failout_show(struct kobject *kobj, struct attribute *attr,
char *buf)
dd_kobj);
struct lod_device *lod = dt2lod_dev(dt);
- return sprintf(buf, "%d\n", lod->lod_lmv_failout ? 1 : 0);
+ return snprintf(buf, PAGE_SIZE, "%d\n", lod->lod_lmv_failout ? 1 : 0);
}
/**
* This determines whether the LMV will try to continue processing a striped
* directory even if it has a (partly) corrupted entry in the master directory,
* or if it will abort upon finding a corrupted slave directory entry.
- *
- * \param[in] file proc file
- * \param[in] buffer string: 0 or non-zero to disable or enable LMV failout
- * \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 lmv_failout_store(struct kobject *kobj, struct attribute *attr,
const char *buffer, size_t count)
LUSTRE_RW_ATTR(lmv_failout);
static struct lprocfs_vars lprocfs_lod_obd_vars[] = {
- { .name = "stripesize",
- .fops = &lod_stripesize_fops },
- { .name = "qos_threshold_rr",
- .fops = &lod_qos_thresholdrr_fops },
- { .name = "dom_stripesize",
- .fops = &lod_dom_stripesize_fops },
{ NULL }
};
+static const struct file_operations lod_proc_mdt_fops = {
+ .owner = THIS_MODULE,
+ .open = lod_mdts_seq_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = lprocfs_seq_release,
+};
+
static const struct file_operations lod_proc_target_fops = {
.owner = THIS_MODULE,
.open = lod_osts_seq_open,
};
static struct attribute *lod_attrs[] = {
+ &lustre_attr_dom_stripesize.attr,
+ &lustre_attr_stripesize.attr,
&lustre_attr_stripeoffset.attr,
&lustre_attr_stripecount.attr,
&lustre_attr_stripetype.attr,
&lustre_attr_numobd.attr,
&lustre_attr_qos_maxage.attr,
&lustre_attr_qos_prio_free.attr,
+ &lustre_attr_qos_thresholdrr.attr,
+ &lustre_attr_mdt_stripecount.attr,
+ &lustre_attr_mdt_stripetype.attr,
+ &lustre_attr_mdt_activeobd.attr,
+ &lustre_attr_mdt_numobd.attr,
+ &lustre_attr_mdt_qos_maxage.attr,
+ &lustre_attr_mdt_qos_prio_free.attr,
+ &lustre_attr_mdt_qos_thresholdrr.attr,
NULL,
};
GOTO(out, rc);
}
+ rc = lprocfs_seq_create(obd->obd_proc_entry, "mdt_obd",
+ 0444, &lod_proc_mdt_fops, obd);
+ if (rc) {
+ CWARN("%s: Error adding the target_obd file %d\n",
+ obd->obd_name, rc);
+ GOTO(out, rc);
+ }
+
rc = lprocfs_seq_create(obd->obd_proc_entry, "target_obd",
0444, &lod_proc_target_fops, obd);
if (rc) {
}
#endif /* CONFIG_PROC_FS */
-