*
* 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 (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
* Use is subject to license terms.
+ *
+ * Copyright (c) 2012, 2017, Intel Corporation.
*/
/*
* This file is part of Lustre, http://www.lustre.org/
#include <obd_class.h>
#include <obd_support.h>
#include <lprocfs_status.h>
-#include <lu_time.h>
#include <libcfs/libcfs_string.h>
-
#include "mdd_internal.h"
-static const char *mdd_counter_names[LPROC_MDD_NR] = {
-};
+static ssize_t uuid_show(struct kobject *kobj, struct attribute *attr,
+ char *buf)
+{
+ struct mdd_device *mdd = container_of(kobj, struct mdd_device,
+ mdd_kobj);
+ struct obd_device *obd = mdd2obd_dev(mdd);
-int mdd_procfs_init(struct mdd_device *mdd, const char *name)
+ return sprintf(buf, "%s\n", obd->obd_uuid.uuid);
+}
+LUSTRE_RO_ATTR(uuid);
+
+static ssize_t atime_diff_show(struct kobject *kobj, struct attribute *attr,
+ char *buf)
+{
+ struct mdd_device *mdd = container_of(kobj, struct mdd_device,
+ mdd_kobj);
+
+ return sprintf(buf, "%lld\n", mdd->mdd_atime_diff);
+}
+
+static ssize_t atime_diff_store(struct kobject *kobj,
+ struct attribute *attr,
+ const char *buffer, size_t count)
+{
+ struct mdd_device *mdd = container_of(kobj, struct mdd_device,
+ mdd_kobj);
+ time64_t diff = 0;
+ int rc;
+
+ rc = kstrtoll(buffer, 10, &diff);
+ if (rc)
+ return rc;
+
+ mdd->mdd_atime_diff = diff;
+ return count;
+}
+LUSTRE_RW_ATTR(atime_diff);
+
+/**** changelogs ****/
+static int mdd_changelog_mask_seq_show(struct seq_file *m, void *data)
+{
+ struct mdd_device *mdd = m->private;
+ int i = 0;
+
+ while (i < CL_LAST) {
+ if (mdd->mdd_cl.mc_mask & (1 << i))
+ seq_printf(m, "%s ", changelog_type2str(i));
+ i++;
+ }
+ seq_putc(m, '\n');
+ return 0;
+}
+
+static ssize_t
+mdd_changelog_mask_seq_write(struct file *file, const char __user *buffer,
+ size_t count, loff_t *off)
{
- struct lprocfs_static_vars lvars;
- struct lu_device *ld = &mdd->mdd_md_dev.md_lu_dev;
- struct obd_type *type;
- int rc;
- ENTRY;
-
- type = ld->ld_type->ldt_obd_type;
-
- LASSERT(name != NULL);
- LASSERT(type != NULL);
-
- /* Find the type procroot and add the proc entry for this device */
- lprocfs_mdd_init_vars(&lvars);
- mdd->mdd_proc_entry = lprocfs_register(name, type->typ_procroot,
- lvars.obd_vars, mdd);
- if (IS_ERR(mdd->mdd_proc_entry)) {
- rc = PTR_ERR(mdd->mdd_proc_entry);
- CERROR("Error %d setting up lprocfs for %s\n",
- rc, name);
- mdd->mdd_proc_entry = NULL;
- GOTO(out, rc);
- }
-
- rc = lu_time_init(&mdd->mdd_stats,
- mdd->mdd_proc_entry,
- mdd_counter_names, ARRAY_SIZE(mdd_counter_names));
-
- EXIT;
+ struct seq_file *m = file->private_data;
+ struct mdd_device *mdd = m->private;
+ char *kernbuf;
+ int rc;
+ ENTRY;
+
+ if (count >= PAGE_SIZE)
+ RETURN(-EINVAL);
+ OBD_ALLOC(kernbuf, PAGE_SIZE);
+ if (kernbuf == NULL)
+ RETURN(-ENOMEM);
+ if (copy_from_user(kernbuf, buffer, count))
+ GOTO(out, rc = -EFAULT);
+ kernbuf[count] = 0;
+
+ rc = cfs_str2mask(kernbuf, changelog_type2str, &mdd->mdd_cl.mc_mask,
+ CHANGELOG_MINMASK, CHANGELOG_ALLMASK);
+ if (rc == 0)
+ rc = count;
out:
- if (rc)
- mdd_procfs_fini(mdd);
- return rc;
+ OBD_FREE(kernbuf, PAGE_SIZE);
+ return rc;
}
+LDEBUGFS_SEQ_FOPS(mdd_changelog_mask);
-int mdd_procfs_fini(struct mdd_device *mdd)
+static int lprocfs_changelog_users_cb(const struct lu_env *env,
+ struct llog_handle *llh,
+ struct llog_rec_hdr *hdr, void *data)
{
- if (mdd->mdd_stats)
- lu_time_fini(&mdd->mdd_stats);
+ struct llog_changelog_user_rec *rec;
+ struct seq_file *m = data;
- if (mdd->mdd_proc_entry) {
- lprocfs_remove(&mdd->mdd_proc_entry);
- mdd->mdd_proc_entry = NULL;
- }
- RETURN(0);
+ LASSERT(llh->lgh_hdr->llh_flags & LLOG_F_IS_PLAIN);
+
+ rec = (struct llog_changelog_user_rec *)hdr;
+
+ seq_printf(m, CHANGELOG_USER_PREFIX"%-3d %llu (%u)\n",
+ rec->cur_id, rec->cur_endrec, (__u32)get_seconds() -
+ rec->cur_time);
+ return 0;
}
-void mdd_lprocfs_time_start(const struct lu_env *env)
+static int mdd_changelog_users_seq_show(struct seq_file *m, void *data)
{
- lu_lprocfs_time_start(env);
+ struct lu_env env;
+ struct mdd_device *mdd = m->private;
+ struct llog_ctxt *ctxt;
+ __u64 cur;
+ int rc;
+
+ ctxt = llog_get_context(mdd2obd_dev(mdd),
+ LLOG_CHANGELOG_USER_ORIG_CTXT);
+ if (ctxt == NULL)
+ return -ENXIO;
+ LASSERT(ctxt->loc_handle->lgh_hdr->llh_flags & LLOG_F_IS_CAT);
+
+ rc = lu_env_init(&env, LCT_LOCAL);
+ if (rc) {
+ llog_ctxt_put(ctxt);
+ return rc;
+ }
+
+ spin_lock(&mdd->mdd_cl.mc_lock);
+ cur = mdd->mdd_cl.mc_index;
+ spin_unlock(&mdd->mdd_cl.mc_lock);
+
+ seq_printf(m, "current index: %llu\n", cur);
+ seq_printf(m, "%-5s %s %s\n", "ID", "index", "(idle seconds)");
+
+ llog_cat_process(&env, ctxt->loc_handle, lprocfs_changelog_users_cb,
+ m, 0, 0);
+
+ lu_env_fini(&env);
+ llog_ctxt_put(ctxt);
+ return 0;
}
+LDEBUGFS_SEQ_FOPS_RO(mdd_changelog_users);
-void mdd_lprocfs_time_end(const struct lu_env *env, struct mdd_device *mdd,
- int idx)
+static int mdd_changelog_size_ctxt(const struct lu_env *env,
+ struct mdd_device *mdd,
+ int index, __u64 *val)
{
- lu_lprocfs_time_end(env, mdd->mdd_stats, idx);
+ struct llog_ctxt *ctxt;
+
+ ctxt = llog_get_context(mdd2obd_dev(mdd),
+ index);
+ if (ctxt == NULL)
+ return -ENXIO;
+
+ if (!(ctxt->loc_handle->lgh_hdr->llh_flags & LLOG_F_IS_CAT)) {
+ CERROR("%s: ChangeLog has wrong flags: rc = %d\n",
+ ctxt->loc_obd->obd_name, -EINVAL);
+ llog_ctxt_put(ctxt);
+ return -EINVAL;
+ }
+
+ *val += llog_cat_size(env, ctxt->loc_handle);
+
+ llog_ctxt_put(ctxt);
+
+ return 0;
}
-static int lprocfs_wr_atime_diff(struct file *file, const char *buffer,
- unsigned long count, void *data)
+static ssize_t changelog_size_show(struct kobject *kobj,
+ struct attribute *attr,
+ char *buf)
{
- struct mdd_device *mdd = data;
- char kernbuf[20], *end;
- unsigned long diff = 0;
+ struct mdd_device *mdd = container_of(kobj, struct mdd_device,
+ mdd_kobj);
+ struct lu_env env;
+ u64 tmp = 0;
+ int rc;
- if (count > (sizeof(kernbuf) - 1))
- return -EINVAL;
+ rc = lu_env_init(&env, LCT_LOCAL);
+ if (rc)
+ return rc;
- if (cfs_copy_from_user(kernbuf, buffer, count))
- return -EFAULT;
+ rc = mdd_changelog_size_ctxt(&env, mdd, LLOG_CHANGELOG_ORIG_CTXT, &tmp);
+ if (rc) {
+ lu_env_fini(&env);
+ return rc;
+ }
- kernbuf[count] = '\0';
+ rc = mdd_changelog_size_ctxt(&env, mdd, LLOG_CHANGELOG_USER_ORIG_CTXT,
+ &tmp);
- diff = simple_strtoul(kernbuf, &end, 0);
- if (kernbuf == end)
- return -EINVAL;
+ rc = sprintf(buf, "%llu\n", tmp);
+ lu_env_fini(&env);
+ return rc;
+}
+LUSTRE_RO_ATTR(changelog_size);
- mdd->mdd_atime_diff = diff;
- return count;
+static ssize_t changelog_gc_show(struct kobject *kobj,
+ struct attribute *attr,
+ char *buf)
+{
+ struct mdd_device *mdd = container_of(kobj, struct mdd_device,
+ mdd_kobj);
+
+ return sprintf(buf, "%u\n", mdd->mdd_changelog_gc);
}
-static int lprocfs_rd_atime_diff(char *page, char **start, off_t off,
- int count, int *eof, void *data)
+static ssize_t changelog_gc_store(struct kobject *kobj,
+ struct attribute *attr,
+ const char *buffer, size_t count)
{
- struct mdd_device *mdd = data;
+ struct mdd_device *mdd = container_of(kobj, struct mdd_device,
+ mdd_kobj);
+ bool val;
+ int rc;
+
+ rc = kstrtobool(buffer, &val);
+ if (rc)
+ return rc;
- *eof = 1;
- return snprintf(page, count, "%lu\n", mdd->mdd_atime_diff);
+ mdd->mdd_changelog_gc = val;
+
+ return count;
}
+LUSTRE_RW_ATTR(changelog_gc);
+static ssize_t changelog_max_idle_time_show(struct kobject *kobj,
+ struct attribute *attr,
+ char *buf)
+{
+ struct mdd_device *mdd = container_of(kobj, struct mdd_device,
+ mdd_kobj);
-/**** changelogs ****/
-static int lprocfs_rd_changelog_mask(char *page, char **start, off_t off,
- int count, int *eof, void *data)
-{
- struct mdd_device *mdd = data;
- int i = 0, rc = 0;
-
- *eof = 1;
- while (i < CL_LAST) {
- if (mdd->mdd_cl.mc_mask & (1 << i))
- rc += snprintf(page + rc, count - rc, "%s ",
- changelog_type2str(i));
- i++;
- }
- return rc;
-}
-
-static int lprocfs_wr_changelog_mask(struct file *file, const char *buffer,
- unsigned long count, void *data)
-{
- struct mdd_device *mdd = data;
- char *kernbuf;
- int rc;
- ENTRY;
-
- if (count >= CFS_PAGE_SIZE)
- RETURN(-EINVAL);
- OBD_ALLOC(kernbuf, CFS_PAGE_SIZE);
- if (kernbuf == NULL)
- RETURN(-ENOMEM);
- if (cfs_copy_from_user(kernbuf, buffer, count))
- GOTO(out, rc = -EFAULT);
- kernbuf[count] = 0;
-
- rc = cfs_str2mask(kernbuf, changelog_type2str, &mdd->mdd_cl.mc_mask,
- CHANGELOG_MINMASK, CHANGELOG_ALLMASK);
- if (rc == 0)
- rc = count;
-out:
- OBD_FREE(kernbuf, CFS_PAGE_SIZE);
- return rc;
+ return sprintf(buf, "%lld\n", mdd->mdd_changelog_max_idle_time);
}
-struct cucb_data {
- char *page;
- int count;
- int idx;
-};
+static ssize_t changelog_max_idle_time_store(struct kobject *kobj,
+ struct attribute *attr,
+ const char *buffer, size_t count)
+{
+ struct mdd_device *mdd = container_of(kobj, struct mdd_device,
+ mdd_kobj);
+ time64_t val;
+ int rc;
-static int lprocfs_changelog_users_cb(const struct lu_env *env,
- struct llog_handle *llh,
- struct llog_rec_hdr *hdr, void *data)
+ rc = kstrtoll(buffer, 10, &val);
+ if (rc)
+ return rc;
+
+ /* as it sounds reasonable, do not allow a user to be idle since
+ * more than about 68 years, this will allow to use 32bits
+ * timestamps for comparison
+ */
+ if (val < 1 || val > INT_MAX)
+ return -ERANGE;
+
+ mdd->mdd_changelog_max_idle_time = val;
+
+ return count;
+}
+LUSTRE_RW_ATTR(changelog_max_idle_time);
+
+static ssize_t changelog_max_idle_indexes_show(struct kobject *kobj,
+ struct attribute *attr,
+ char *buf)
{
- struct llog_changelog_user_rec *rec;
- struct cucb_data *cucb = (struct cucb_data *)data;
+ struct mdd_device *mdd = container_of(kobj, struct mdd_device,
+ mdd_kobj);
- LASSERT(llh->lgh_hdr->llh_flags & LLOG_F_IS_PLAIN);
+ return sprintf(buf, "%lu\n", mdd->mdd_changelog_max_idle_indexes);
+}
+
+static ssize_t changelog_max_idle_indexes_store(struct kobject *kobj,
+ struct attribute *attr,
+ const char *buffer,
+ size_t count)
+{
+ struct mdd_device *mdd = container_of(kobj, struct mdd_device,
+ mdd_kobj);
+ unsigned long val;
+ int rc;
- rec = (struct llog_changelog_user_rec *)hdr;
+ LASSERT(mdd != NULL);
+ rc = kstrtoul(buffer, 0, &val);
+ if (rc)
+ return rc;
- cucb->idx += snprintf(cucb->page + cucb->idx, cucb->count - cucb->idx,
- CHANGELOG_USER_PREFIX"%-3d "LPU64"\n",
- rec->cur_id, rec->cur_endrec);
- if (cucb->idx >= cucb->count)
- return -ENOSPC;
+ /* XXX may need to limit/check with reasonable elapsed/idle indexes */
+ /* XXX may better allow to specify a % of full ChangeLogs */
- return 0;
+ mdd->mdd_changelog_max_idle_indexes = val;
+
+ return count;
}
+LUSTRE_RW_ATTR(changelog_max_idle_indexes);
-static int lprocfs_rd_changelog_users(char *page, char **start, off_t off,
- int count, int *eof, void *data)
+static ssize_t changelog_min_gc_interval_show(struct kobject *kobj,
+ struct attribute *attr,
+ char *buf)
{
- struct mdd_device *mdd = data;
- struct llog_ctxt *ctxt;
- struct cucb_data cucb;
- __u64 cur;
+ struct mdd_device *mdd = container_of(kobj, struct mdd_device,
+ mdd_kobj);
- *eof = 1;
+ return sprintf(buf, "%lld\n", mdd->mdd_changelog_min_gc_interval);
+}
- ctxt = llog_get_context(mdd2obd_dev(mdd),LLOG_CHANGELOG_USER_ORIG_CTXT);
- if (ctxt == NULL)
- return -ENXIO;
- LASSERT(ctxt->loc_handle->lgh_hdr->llh_flags & LLOG_F_IS_CAT);
+static ssize_t changelog_min_gc_interval_store(struct kobject *kobj,
+ struct attribute *attr,
+ const char *buffer,
+ size_t count)
+{
+ struct mdd_device *mdd = container_of(kobj, struct mdd_device,
+ mdd_kobj);
+ time64_t val;
+ int rc;
+
+ rc = kstrtoll(buffer, 10, &val);
+ if (rc)
+ return rc;
+
+ /* XXX may need to limit with reasonable elapsed/interval times */
+ if (val < 1)
+ return -ERANGE;
+
+ mdd->mdd_changelog_min_gc_interval = val;
+
+ return count;
+}
+LUSTRE_RW_ATTR(changelog_min_gc_interval);
+
+static ssize_t changelog_min_free_cat_entries_show(struct kobject *kobj,
+ struct attribute *attr,
+ char *buf)
+{
+ struct mdd_device *mdd = container_of(kobj, struct mdd_device,
+ mdd_kobj);
+
+ return sprintf(buf, "%u\n", mdd->mdd_changelog_min_free_cat_entries);
+}
+
+static ssize_t changelog_min_free_cat_entries_store(struct kobject *kobj,
+ struct attribute *attr,
+ const char *buffer,
+ size_t count)
+{
+ struct mdd_device *mdd = container_of(kobj, struct mdd_device,
+ mdd_kobj);
+ unsigned int val;
+ int rc;
+
+ rc = kstrtouint(buffer, 10, &val);
+ if (rc)
+ return rc;
- cfs_spin_lock(&mdd->mdd_cl.mc_lock);
- cur = mdd->mdd_cl.mc_index;
- cfs_spin_unlock(&mdd->mdd_cl.mc_lock);
+ /* XXX may need to limit with more reasonable number of free entries */
+ if (val < 1)
+ return -ERANGE;
- cucb.count = count;
- cucb.page = page;
- cucb.idx = 0;
+ mdd->mdd_changelog_min_free_cat_entries = val;
- cucb.idx += snprintf(cucb.page + cucb.idx, cucb.count - cucb.idx,
- "current index: "LPU64"\n", cur);
+ return count;
+}
+LUSTRE_RW_ATTR(changelog_min_free_cat_entries);
+
+static ssize_t changelog_deniednext_show(struct kobject *kobj,
+ struct attribute *attr,
+ char *buf)
+{
+ struct mdd_device *mdd = container_of(kobj, struct mdd_device,
+ mdd_kobj);
+
+ return sprintf(buf, "%u\n", mdd->mdd_cl.mc_deniednext);
+}
- cucb.idx += snprintf(cucb.page + cucb.idx, cucb.count - cucb.idx,
- "%-5s %s\n", "ID", "index");
+static ssize_t changelog_deniednext_store(struct kobject *kobj,
+ struct attribute *attr,
+ const char *buffer,
+ size_t count)
+{
+ struct mdd_device *mdd = container_of(kobj, struct mdd_device,
+ mdd_kobj);
+ unsigned int time = 0;
+ int rc;
- llog_cat_process(NULL, ctxt->loc_handle, lprocfs_changelog_users_cb,
- &cucb, 0, 0);
+ rc = kstrtouint(buffer, 0, &time);
+ if (rc)
+ return rc;
- llog_ctxt_put(ctxt);
- return cucb.idx;
+ mdd->mdd_cl.mc_deniednext = time;
+ return count;
}
+LUSTRE_RW_ATTR(changelog_deniednext);
-static int lprocfs_rd_sync_perm(char *page, char **start, off_t off,
- int count, int *eof, void *data)
+static ssize_t sync_permission_show(struct kobject *kobj,
+ struct attribute *attr, char *buf)
{
- struct mdd_device *mdd = data;
+ struct mdd_device *mdd = container_of(kobj, struct mdd_device,
+ mdd_kobj);
- LASSERT(mdd != NULL);
- return snprintf(page, count, "%d\n", mdd->mdd_sync_permission);
+ return sprintf(buf, "%d\n", mdd->mdd_sync_permission);
}
-static int lprocfs_wr_sync_perm(struct file *file, const char *buffer,
- unsigned long count, void *data)
+static ssize_t sync_permission_store(struct kobject *kobj,
+ struct attribute *attr,
+ const char *buffer, size_t count)
{
- struct mdd_device *mdd = data;
- int val, rc;
+ struct mdd_device *mdd = container_of(kobj, struct mdd_device,
+ mdd_kobj);
+ bool val;
+ int rc;
- LASSERT(mdd != NULL);
- rc = lprocfs_write_helper(buffer, count, &val);
- if (rc)
- return rc;
+ rc = kstrtobool(buffer, &val);
+ if (rc)
+ return rc;
- mdd->mdd_sync_permission = !!val;
- return count;
+ mdd->mdd_sync_permission = val;
+
+ return count;
}
+LUSTRE_RW_ATTR(sync_permission);
-static int lprocfs_rd_lfsck_speed_limit(char *page, char **start, off_t off,
- int count, int *eof, void *data)
+static ssize_t lfsck_speed_limit_show(struct kobject *kobj,
+ struct attribute *attr, char *buf)
{
- struct mdd_device *mdd = data;
+ struct mdd_device *mdd = container_of(kobj, struct mdd_device,
+ mdd_kobj);
- LASSERT(mdd != NULL);
- *eof = 1;
- return snprintf(page, count, "%u\n", mdd->mdd_lfsck.ml_speed_limit);
+ return lfsck_get_speed(buf, mdd->mdd_bottom);
+}
+
+static ssize_t lfsck_speed_limit_store(struct kobject *kobj,
+ struct attribute *attr,
+ const char *buffer, size_t count)
+{
+ struct mdd_device *mdd = container_of(kobj, struct mdd_device,
+ mdd_kobj);
+ unsigned int val;
+ int rc;
+
+ rc = kstrtouint(buffer, 10, &val);
+ if (rc != 0)
+ return rc;
+
+ rc = lfsck_set_speed(mdd->mdd_bottom, val);
+ return rc != 0 ? rc : count;
}
+LUSTRE_RW_ATTR(lfsck_speed_limit);
-static int lprocfs_wr_lfsck_speed_limit(struct file *file, const char *buffer,
- unsigned long count, void *data)
+static ssize_t lfsck_async_windows_show(struct kobject *kobj,
+ struct attribute *attr, char *buf)
{
- struct mdd_device *mdd = data;
- struct md_lfsck *lfsck;
- __u32 val;
+ struct mdd_device *mdd = container_of(kobj, struct mdd_device,
+ mdd_kobj);
+
+ return lfsck_get_windows(buf, mdd->mdd_bottom);
+}
+
+static ssize_t lfsck_async_windows_store(struct kobject *kobj,
+ struct attribute *attr,
+ const char *buffer, size_t count)
+{
+ struct mdd_device *mdd = container_of(kobj, struct mdd_device,
+ mdd_kobj);
+ unsigned int val;
int rc;
+ rc = kstrtouint(buffer, 10, &val);
+ if (rc)
+ return rc;
+
+ rc = lfsck_set_windows(mdd->mdd_bottom, val);
+
+ return rc != 0 ? rc : count;
+}
+LUSTRE_RW_ATTR(lfsck_async_windows);
+
+static int mdd_lfsck_namespace_seq_show(struct seq_file *m, void *data)
+{
+ struct mdd_device *mdd = m->private;
+
LASSERT(mdd != NULL);
- rc = lprocfs_write_helper(buffer, count, &val);
+
+ return lfsck_dump(m, mdd->mdd_bottom, LFSCK_TYPE_NAMESPACE);
+}
+LDEBUGFS_SEQ_FOPS_RO(mdd_lfsck_namespace);
+
+static int mdd_lfsck_layout_seq_show(struct seq_file *m, void *data)
+{
+ struct mdd_device *mdd = m->private;
+
+ LASSERT(mdd != NULL);
+
+ return lfsck_dump(m, mdd->mdd_bottom, LFSCK_TYPE_LAYOUT);
+}
+LDEBUGFS_SEQ_FOPS_RO(mdd_lfsck_layout);
+
+/**
+ * Show default number of stripes for O_APPEND files.
+ *
+ * \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 append_stripe_count_show(struct kobject *kobj,
+ struct attribute *attr, char *buf)
+{
+ struct mdd_device *mdd = container_of(kobj, struct mdd_device,
+ mdd_kobj);
+
+ return snprintf(buf, PAGE_SIZE, "%d\n", mdd->mdd_append_stripe_count);
+}
+
+/**
+ * Set default number of stripes for O_APPEND files.
+ *
+ * \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 append_stripe_count_store(struct kobject *kobj,
+ struct attribute *attr,
+ const char *buffer, size_t count)
+{
+ struct mdd_device *mdd = container_of(kobj, struct mdd_device,
+ mdd_kobj);
+ int stripe_count;
+ int rc;
+
+ rc = kstrtoint(buffer, 0, &stripe_count);
if (rc)
return rc;
- lfsck = &mdd->mdd_lfsck;
- if (val != lfsck->ml_speed_limit)
- mdd_lfsck_set_speed(lfsck, val);
+ if (stripe_count < -1)
+ return -ERANGE;
+
+ mdd->mdd_append_stripe_count = stripe_count;
+
+ return count;
+}
+LUSTRE_RW_ATTR(append_stripe_count);
+
+/**
+ * Show default OST pool for O_APPEND files.
+ *
+ * \param[in] kobject proc object
+ * \param[in] attribute proc attribute
+ * \param[in] buf output buffer
+ *
+ * \retval 0 on success,
+ * \retval negative error code if failed
+ */
+static ssize_t append_pool_show(struct kobject *kobj,
+ struct attribute *attr, char *buf)
+{
+ struct mdd_device *mdd = container_of(kobj, struct mdd_device,
+ mdd_kobj);
+
+ return snprintf(buf, LOV_MAXPOOLNAME + 1, "%s\n", mdd->mdd_append_pool);
+}
+
+/**
+ * Set default OST pool for O_APPEND files.
+ *
+ * \param[in] kobject proc object
+ * \param[in] attribute proc attribute
+ * \param[in] buffer user inputted pool name
+ * \param[in] count @buffer length
+ *
+ * \retval @count on success
+ * \retval negative error code otherwise
+ */
+static ssize_t append_pool_store(struct kobject *kobj, struct attribute *attr,
+ const char *buffer, size_t count)
+{
+ struct mdd_device *mdd = container_of(kobj, struct mdd_device,
+ mdd_kobj);
+
+ if (!count || count > LOV_MAXPOOLNAME + 1)
+ return -EINVAL;
+
+ /* clear previous value */
+ memset(mdd->mdd_append_pool, 0, LOV_MAXPOOLNAME + 1);
+
+ /* entering "none" clears the pool, otherwise copy the new pool */
+ if (strncmp("none", buffer, 4)) {
+ memcpy(mdd->mdd_append_pool, buffer, count);
+
+ /* Trim the trailing '\n' if any */
+ if (mdd->mdd_append_pool[count - 1] == '\n') {
+ /* Don't echo just a newline */
+ if (count == 1)
+ return -EINVAL;
+ mdd->mdd_append_pool[count - 1] = 0;
+ }
+ }
+
return count;
}
+LUSTRE_RW_ATTR(append_pool);
static struct lprocfs_vars lprocfs_mdd_obd_vars[] = {
- { "atime_diff", lprocfs_rd_atime_diff, lprocfs_wr_atime_diff, 0 },
- { "changelog_mask", lprocfs_rd_changelog_mask,
- lprocfs_wr_changelog_mask, 0 },
- { "changelog_users", lprocfs_rd_changelog_users, 0, 0},
- { "sync_permission", lprocfs_rd_sync_perm, lprocfs_wr_sync_perm, 0 },
- { "lfsck_speed_limit", lprocfs_rd_lfsck_speed_limit,
- lprocfs_wr_lfsck_speed_limit, 0 },
- { 0 }
+ { .name = "changelog_mask",
+ .fops = &mdd_changelog_mask_fops },
+ { .name = "changelog_users",
+ .fops = &mdd_changelog_users_fops },
+ { .name = "lfsck_namespace",
+ .fops = &mdd_lfsck_namespace_fops },
+ { .name = "lfsck_layout",
+ .fops = &mdd_lfsck_layout_fops },
+ { NULL }
};
-static struct lprocfs_vars lprocfs_mdd_module_vars[] = {
- { "num_refs", lprocfs_rd_numrefs, 0, 0 },
- { 0 }
+static struct attribute *mdd_attrs[] = {
+ &lustre_attr_uuid.attr,
+ &lustre_attr_atime_diff.attr,
+ &lustre_attr_changelog_size.attr,
+ &lustre_attr_changelog_gc.attr,
+ &lustre_attr_changelog_max_idle_time.attr,
+ &lustre_attr_changelog_max_idle_indexes.attr,
+ &lustre_attr_changelog_min_gc_interval.attr,
+ &lustre_attr_changelog_min_free_cat_entries.attr,
+ &lustre_attr_changelog_deniednext.attr,
+ &lustre_attr_lfsck_async_windows.attr,
+ &lustre_attr_lfsck_speed_limit.attr,
+ &lustre_attr_sync_permission.attr,
+ &lustre_attr_append_stripe_count.attr,
+ &lustre_attr_append_pool.attr,
+ NULL,
};
-void lprocfs_mdd_init_vars(struct lprocfs_static_vars *lvars)
+static void mdd_sysfs_release(struct kobject *kobj)
+{
+ struct mdd_device *mdd = container_of(kobj, struct mdd_device,
+ mdd_kobj);
+ struct obd_device *obd = mdd2obd_dev(mdd);
+
+ debugfs_remove_recursive(obd->obd_debugfs_entry);
+ obd->obd_debugfs_entry = NULL;
+
+ complete(&mdd->mdd_kobj_unregister);
+}
+
+int mdd_procfs_init(struct mdd_device *mdd, const char *name)
{
- lvars->module_vars = lprocfs_mdd_module_vars;
- lvars->obd_vars = lprocfs_mdd_obd_vars;
+ struct obd_device *obd = mdd2obd_dev(mdd);
+ struct obd_type *type;
+ int rc;
+
+ ENTRY;
+ /* at the moment there is no linkage between lu_type
+ * and obd_type, so we lookup obd_type this way
+ */
+ type = class_search_type(LUSTRE_MDD_NAME);
+
+ LASSERT(name != NULL);
+ LASSERT(type != NULL);
+ LASSERT(obd != NULL);
+
+ /* put reference taken by class_search_type */
+ kobject_put(&type->typ_kobj);
+
+ mdd->mdd_ktype.default_attrs = mdd_attrs;
+ mdd->mdd_ktype.release = mdd_sysfs_release;
+ mdd->mdd_ktype.sysfs_ops = &lustre_sysfs_ops;
+
+ init_completion(&mdd->mdd_kobj_unregister);
+ rc = kobject_init_and_add(&mdd->mdd_kobj, &mdd->mdd_ktype,
+ &type->typ_kobj, "%s", name);
+ if (rc)
+ return rc;
+
+ /* Find the type procroot and add the proc entry for this device */
+ obd->obd_vars = lprocfs_mdd_obd_vars;
+ obd->obd_debugfs_entry = ldebugfs_register(name,
+ type->typ_debugfs_entry,
+ obd->obd_vars, mdd);
+ if (IS_ERR_OR_NULL(obd->obd_debugfs_entry)) {
+ rc = obd->obd_debugfs_entry ? PTR_ERR(obd->obd_debugfs_entry)
+ : -ENOMEM;
+ CERROR("Error %d setting up debugfs for %s\n",
+ rc, name);
+ obd->obd_debugfs_entry = NULL;
+
+ kobject_put(&mdd->mdd_kobj);
+ }
+
+ RETURN(rc);
}
+void mdd_procfs_fini(struct mdd_device *mdd)
+{
+ kobject_put(&mdd->mdd_kobj);
+ wait_for_completion(&mdd->mdd_kobj_unregister);
+}
git://git.whamcloud.com / fs / lustre-release.git / blobdiff