* Copyright (c) 2002, 2010, Oracle and/or its affiliates. All rights reserved.
* Use is subject to license terms.
*
- * Copyright (c) 2014, 2016, Intel Corporation.
+ * Copyright (c) 2014, 2017, Intel Corporation.
*/
/*
* This file is part of Lustre, http://www.lustre.org/
#define DEBUG_SUBSYSTEM S_CLASS
+#include <linux/kobject.h>
+#include <linux/sysfs.h>
#include <obd_class.h>
#include <lprocfs_status.h>
-#include <lustre/lustre_idl.h>
#include <lustre_nodemap.h>
+#define MAX_STRING_SIZE 128
+
+struct dentry *ldebugfs_add_symlink(const char *name, const char *target,
+ const char *format, ...)
+{
+ struct dentry *entry = NULL;
+ struct dentry *parent;
+ struct qstr dname;
+ va_list ap;
+ char *dest;
+
+ if (!target || !format)
+ return NULL;
+
+ dname.name = target;
+ dname.len = strlen(dname.name);
+ dname.hash = ll_full_name_hash(debugfs_lustre_root,
+ dname.name, dname.len);
+ parent = d_lookup(debugfs_lustre_root, &dname);
+ if (!parent)
+ return NULL;
+
+ OBD_ALLOC_WAIT(dest, MAX_STRING_SIZE + 1);
+ if (!dest)
+ goto no_entry;
+
+ va_start(ap, format);
+ vsnprintf(dest, MAX_STRING_SIZE, format, ap);
+ va_end(ap);
+
+ entry = debugfs_create_symlink(name, parent, dest);
+ if (IS_ERR_OR_NULL(entry)) {
+ CERROR("LdebugFS: Could not create symbolic link from %s to %s\n",
+ name, dest);
+ entry = NULL;
+ }
+
+ OBD_FREE(dest, MAX_STRING_SIZE + 1);
+no_entry:
+ dput(parent);
+ return entry;
+}
+EXPORT_SYMBOL(ldebugfs_add_symlink);
+
#ifdef CONFIG_PROC_FS
int lprocfs_evict_client_open(struct inode *inode, struct file *f)
}
EXPORT_SYMBOL(lprocfs_num_exports_seq_show);
+static int obd_export_flags2str(struct obd_export *exp, struct seq_file *m)
+{
+ bool first = true;
+
+ flag2str(exp, failed);
+ flag2str(exp, in_recovery);
+ flag2str(exp, disconnected);
+ flag2str(exp, connecting);
+
+ return 0;
+}
+
+static int
+lprocfs_exp_print_export_seq(struct cfs_hash *hs, struct cfs_hash_bd *bd,
+ struct hlist_node *hnode, void *cb_data)
+{
+ struct seq_file *m = cb_data;
+ struct obd_export *exp = cfs_hash_object(hs, hnode);
+ struct obd_device *obd;
+ struct obd_connect_data *ocd;
+
+ LASSERT(exp != NULL);
+ if (exp->exp_nid_stats == NULL)
+ goto out;
+ obd = exp->exp_obd;
+ ocd = &exp->exp_connect_data;
+
+ seq_printf(m, "%s:\n"
+ " name: %s\n"
+ " client: %s\n"
+ " connect_flags: [ ",
+ obd_uuid2str(&exp->exp_client_uuid),
+ obd->obd_name,
+ obd_export_nid2str(exp));
+ obd_connect_seq_flags2str(m, ocd->ocd_connect_flags,
+ ocd->ocd_connect_flags2, ", ");
+ seq_printf(m, " ]\n");
+ obd_connect_data_seqprint(m, ocd);
+ seq_printf(m, " export_flags: [ ");
+ obd_export_flags2str(exp, m);
+ seq_printf(m, " ]\n");
+
+out:
+ return 0;
+}
+
+/**
+ * RPC connections are composed of an import and an export. Using the
+ * lctl utility we can extract important information about the state.
+ * The lprocfs_exp_export_seq_show routine displays the state information
+ * for the export.
+ *
+ * \param[in] m seq file
+ * \param[in] data unused
+ *
+ * \retval 0 on success
+ *
+ * The format of the export state information is like:
+ * a793e354-49c0-aa11-8c4f-a4f2b1a1a92b:
+ * name: MGS
+ * client: 10.211.55.10@tcp
+ * connect_flags: [ version, barrier, adaptive_timeouts, ... ]
+ * connect_data:
+ * flags: 0x2000011005002020
+ * instance: 0
+ * target_version: 2.10.51.0
+ * export_flags: [ ... ]
+ *
+ */
+static int lprocfs_exp_export_seq_show(struct seq_file *m, void *data)
+{
+ struct nid_stat *stats = m->private;
+ struct obd_device *obd = stats->nid_obd;
+
+ cfs_hash_for_each_key(obd->obd_nid_hash, &stats->nid,
+ lprocfs_exp_print_export_seq, m);
+ return 0;
+}
+LPROC_SEQ_FOPS_RO(lprocfs_exp_export);
+
static void lprocfs_free_client_stats(struct nid_stat *client_stat)
{
CDEBUG(D_CONFIG, "stat %p - data %p/%p\n", client_stat,
&lprocfs_exp_nodemap_fops);
if (IS_ERR(entry)) {
rc = PTR_ERR(entry);
- CWARN("Error adding the nodemap file: rc = %d\n", rc);
+ CWARN("%s: error adding the nodemap file: rc = %d\n",
+ obd->obd_name, rc);
GOTO(destroy_new_ns, rc);
}
&lprocfs_exp_uuid_fops);
if (IS_ERR(entry)) {
rc = PTR_ERR(entry);
- CWARN("Error adding the NID stats file: rc = %d\n", rc);
+ CWARN("%s: error adding the NID stats file: rc = %d\n",
+ obd->obd_name, rc);
GOTO(destroy_new_ns, rc);
}
&lprocfs_exp_hash_fops);
if (IS_ERR(entry)) {
rc = PTR_ERR(entry);
- CWARN("Error adding the hash file: rc = %d\n", rc);
+ CWARN("%s: error adding the hash file: rc = %d\n",
+ obd->obd_name, rc);
+ GOTO(destroy_new_ns, rc);
+ }
+
+ entry = lprocfs_add_simple(new_stat->nid_proc, "export",
+ new_stat, &lprocfs_exp_export_fops);
+ if (IS_ERR(entry)) {
+ rc = PTR_ERR(entry);
+ CWARN("%s: error adding the export file: rc = %d\n",
+ obd->obd_name, rc);
GOTO(destroy_new_ns, rc);
}
&lprocfs_exp_replydata_fops);
if (IS_ERR(entry)) {
rc = PTR_ERR(entry);
- CWARN("%s: Error adding the reply_data file: rc = %d\n",
+ CWARN("%s: error adding the reply_data file: rc = %d\n",
obd->obd_name, rc);
GOTO(destroy_new_ns, rc);
}
return 0;
}
-#define LPROCFS_OBD_OP_INIT(base, stats, op) \
-do { \
- unsigned int coffset = base + OBD_COUNTER_OFFSET(op); \
- LASSERT(coffset < stats->ls_num); \
- lprocfs_counter_init(stats, coffset, 0, #op, "reqs"); \
-} while (0)
-
-void lprocfs_init_ops_stats(int num_private_stats, struct lprocfs_stats *stats)
-{
- LPROCFS_OBD_OP_INIT(num_private_stats, stats, iocontrol);
- LPROCFS_OBD_OP_INIT(num_private_stats, stats, get_info);
- LPROCFS_OBD_OP_INIT(num_private_stats, stats, set_info_async);
- LPROCFS_OBD_OP_INIT(num_private_stats, stats, setup);
- LPROCFS_OBD_OP_INIT(num_private_stats, stats, precleanup);
- LPROCFS_OBD_OP_INIT(num_private_stats, stats, cleanup);
- LPROCFS_OBD_OP_INIT(num_private_stats, stats, process_config);
- LPROCFS_OBD_OP_INIT(num_private_stats, stats, postrecov);
- LPROCFS_OBD_OP_INIT(num_private_stats, stats, add_conn);
- LPROCFS_OBD_OP_INIT(num_private_stats, stats, del_conn);
- LPROCFS_OBD_OP_INIT(num_private_stats, stats, connect);
- LPROCFS_OBD_OP_INIT(num_private_stats, stats, reconnect);
- LPROCFS_OBD_OP_INIT(num_private_stats, stats, disconnect);
- LPROCFS_OBD_OP_INIT(num_private_stats, stats, fid_init);
- LPROCFS_OBD_OP_INIT(num_private_stats, stats, fid_fini);
- LPROCFS_OBD_OP_INIT(num_private_stats, stats, fid_alloc);
- LPROCFS_OBD_OP_INIT(num_private_stats, stats, statfs);
- LPROCFS_OBD_OP_INIT(num_private_stats, stats, statfs_async);
- LPROCFS_OBD_OP_INIT(num_private_stats, stats, create);
- LPROCFS_OBD_OP_INIT(num_private_stats, stats, destroy);
- LPROCFS_OBD_OP_INIT(num_private_stats, stats, setattr);
- LPROCFS_OBD_OP_INIT(num_private_stats, stats, getattr);
- LPROCFS_OBD_OP_INIT(num_private_stats, stats, preprw);
- LPROCFS_OBD_OP_INIT(num_private_stats, stats, commitrw);
- LPROCFS_OBD_OP_INIT(num_private_stats, stats, init_export);
- LPROCFS_OBD_OP_INIT(num_private_stats, stats, destroy_export);
- LPROCFS_OBD_OP_INIT(num_private_stats, stats, import_event);
- LPROCFS_OBD_OP_INIT(num_private_stats, stats, notify);
- LPROCFS_OBD_OP_INIT(num_private_stats, stats, health_check);
- LPROCFS_OBD_OP_INIT(num_private_stats, stats, get_uuid);
- LPROCFS_OBD_OP_INIT(num_private_stats, stats, quotactl);
- LPROCFS_OBD_OP_INIT(num_private_stats, stats, ping);
- LPROCFS_OBD_OP_INIT(num_private_stats, stats, pool_new);
- LPROCFS_OBD_OP_INIT(num_private_stats, stats, pool_rem);
- LPROCFS_OBD_OP_INIT(num_private_stats, stats, pool_add);
- LPROCFS_OBD_OP_INIT(num_private_stats, stats, pool_del);
- LPROCFS_OBD_OP_INIT(num_private_stats, stats, getref);
- LPROCFS_OBD_OP_INIT(num_private_stats, stats, putref);
-
- CLASSERT(NUM_OBD_STATS == OBD_COUNTER_OFFSET(putref) + 1);
-}
-EXPORT_SYMBOL(lprocfs_init_ops_stats);
-
-int lprocfs_alloc_obd_stats(struct obd_device *obd, unsigned num_private_stats)
+int lprocfs_alloc_obd_stats(struct obd_device *obd, unsigned int num_stats)
{
struct lprocfs_stats *stats;
- unsigned int num_stats;
- int rc, i;
+ int rc;
LASSERT(obd->obd_stats == NULL);
LASSERT(obd->obd_proc_entry != NULL);
- LASSERT(obd->obd_cntr_base == 0);
- num_stats = NUM_OBD_STATS + num_private_stats;
stats = lprocfs_alloc_stats(num_stats, 0);
if (stats == NULL)
return -ENOMEM;
- lprocfs_init_ops_stats(num_private_stats, stats);
-
- for (i = num_private_stats; i < num_stats; i++) {
- /* If this LBUGs, it is likely that an obd
- * operation was added to struct obd_ops in
- * <obd.h>, and that the corresponding line item
- * LPROCFS_OBD_OP_INIT(.., .., opname)
- * is missing from the list above. */
- LASSERTF(stats->ls_cnt_header[i].lc_name != NULL,
- "Missing obd_stat initializer obd_op "
- "operation at offset %d.\n", i - num_private_stats);
- }
rc = lprocfs_register_stats(obd->obd_proc_entry, "stats", stats);
- if (rc < 0) {
+ if (rc < 0)
lprocfs_free_stats(&stats);
- } else {
- obd->obd_stats = stats;
- obd->obd_cntr_base = num_private_stats;
- }
+ else
+ obd->obd_stats = stats;
+
return rc;
}
EXPORT_SYMBOL(lprocfs_alloc_obd_stats);
OBD_FREE(buf, size);
if (likely(count > 0))
- return 0;
+ goto out;
+ }
+
+ /* recovery won't start until the clients connect */
+ if (obd->obd_recovery_start == 0) {
+ seq_printf(m, "WAITING_FOR_CLIENTS\n");
+ goto out;
}
seq_printf(m, "RECOVERING\n");
{
struct seq_file *m = file->private_data;
struct obd_device *obd = m->private;
+ int val;
int rc;
- __s64 val;
LASSERT(obd != NULL);
- rc = lprocfs_str_to_s64(buffer, count, &val);
+ rc = kstrtoint_from_user(buffer, count, 10, &val);
if (rc)
return rc;
}
EXPORT_SYMBOL(lprocfs_ir_factor_seq_write);
+int lprocfs_checksum_dump_seq_show(struct seq_file *m, void *data)
+{
+ struct obd_device *obd = m->private;
+
+ LASSERT(obd != NULL);
+ seq_printf(m, "%d\n", obd->obd_checksum_dump);
+ return 0;
+}
+EXPORT_SYMBOL(lprocfs_checksum_dump_seq_show);
+
+ssize_t
+lprocfs_checksum_dump_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 *obd = m->private;
+ bool val;
+ int rc;
+
+ LASSERT(obd != NULL);
+ rc = kstrtobool_from_user(buffer, count, &val);
+ if (rc)
+ return rc;
+
+ obd->obd_checksum_dump = val;
+ return count;
+}
+EXPORT_SYMBOL(lprocfs_checksum_dump_seq_write);
+
int lprocfs_recovery_time_soft_seq_show(struct seq_file *m, void *data)
{
struct obd_device *obd = m->private;
{
struct seq_file *m = file->private_data;
struct obd_device *obd = m->private;
+ unsigned int val;
int rc;
- __s64 val;
LASSERT(obd != NULL);
- rc = lprocfs_str_to_s64(buffer, count, &val);
+ rc = kstrtouint_from_user(buffer, count, 0, &val);
if (rc)
return rc;
- if (val < 0 || val > INT_MAX)
- return -ERANGE;
obd->obd_recovery_timeout = val;
return count;
{
struct seq_file *m = file->private_data;
struct obd_device *obd = m->private;
+ unsigned int val;
int rc;
- __s64 val;
LASSERT(obd != NULL);
- rc = lprocfs_str_to_s64(buffer, count, &val);
+ rc = kstrtouint_from_user(buffer, count, 0, &val);
if (rc)
return rc;
- if (val < 0 || val > INT_MAX)
- return -ERANGE;
obd->obd_recovery_time_hard = val;
return count;