* Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
* Use is subject to license terms.
*
- * Copyright (c) 2011, 2013, Intel Corporation.
+ * Copyright (c) 2011, 2014, Intel Corporation.
*/
/*
* This file is part of Lustre, http://www.lustre.org/
#include <asm/statfs.h>
#include <linux/module.h>
-
+#include <lnet/nidstr.h>
/* LUSTRE_VERSION_CODE */
#include <lustre_ver.h>
/*
#include <obd.h>
#include <obd_class.h>
#include <lustre_mds.h>
-#include <lustre_mdt.h>
#include <lprocfs_status.h>
#include "mdt_internal.h"
-#include <lnet/lib-lnet.h>
/**
* The rename stats output would be YAML formats, like
return 0;
}
-static ssize_t mdt_rename_stats_seq_write(struct file *file, const char *buf,
- size_t len, loff_t *off)
+static ssize_t
+mdt_rename_stats_seq_write(struct file *file, const char __user *buf,
+ size_t len, loff_t *off)
{
struct seq_file *seq = file->private_data;
struct mdt_device *mdt = seq->private;
return len;
}
-
LPROC_SEQ_FOPS(mdt_rename_stats);
static int lproc_mdt_attach_rename_seqstat(struct mdt_device *mdt)
(unsigned int)ma->ma_attr.la_size);
}
-int mdt_procfs_init(struct mdt_device *mdt, const char *name)
+static int mdt_identity_expire_seq_show(struct seq_file *m, void *data)
{
- struct obd_device *obd = mdt2obd_dev(mdt);
- struct lprocfs_static_vars lvars;
- int rc;
- ENTRY;
-
- LASSERT(name != NULL);
-
- lprocfs_mdt_init_vars(&lvars);
- rc = lprocfs_obd_setup(obd, lvars.obd_vars);
- if (rc) {
- CERROR("Can't init lprocfs, rc %d\n", rc);
- return rc;
- }
- ptlrpc_lprocfs_register_obd(obd);
-
- obd->obd_proc_exports_entry = proc_mkdir("exports",
- obd->obd_proc_entry);
- if (obd->obd_proc_exports_entry)
- lprocfs_add_simple(obd->obd_proc_exports_entry,
- "clear", lprocfs_nid_stats_clear_read,
- lprocfs_nid_stats_clear_write, obd, NULL);
- rc = lprocfs_alloc_md_stats(obd, LPROC_MDT_LAST);
- if (rc)
- return rc;
- mdt_stats_counter_init(obd->md_stats);
-
- rc = lprocfs_job_stats_init(obd, LPROC_MDT_LAST,
- mdt_stats_counter_init);
-
- rc = lproc_mdt_attach_rename_seqstat(mdt);
- if (rc)
- CERROR("%s: MDT can not create rename stats rc = %d\n",
- mdt_obd_name(mdt), rc);
-
- RETURN(rc);
-}
-
-void mdt_procfs_fini(struct mdt_device *mdt)
-{
- struct obd_device *obd = mdt2obd_dev(mdt);
-
- if (obd->obd_proc_exports_entry) {
- lprocfs_remove_proc_entry("clear", obd->obd_proc_exports_entry);
- obd->obd_proc_exports_entry = NULL;
- }
- lprocfs_free_per_client_stats(obd);
- lprocfs_obd_cleanup(obd);
- ptlrpc_lprocfs_unregister_obd(obd);
- lprocfs_free_md_stats(obd);
- lprocfs_free_obd_stats(obd);
- lprocfs_job_stats_fini(obd);
-}
-
-static int lprocfs_rd_identity_expire(char *page, char **start, off_t off,
- int count, int *eof, void *data)
-{
- struct obd_device *obd = data;
- struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev);
+ struct obd_device *obd = m->private;
+ struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev);
- *eof = 1;
- return snprintf(page, count, "%u\n",
- mdt->mdt_identity_cache->uc_entry_expire);
+ return seq_printf(m, "%u\n", mdt->mdt_identity_cache->uc_entry_expire);
}
-static int lprocfs_wr_identity_expire(struct file *file, const char *buffer,
- unsigned long count, void *data)
+static ssize_t
+mdt_identity_expire_seq_write(struct file *file, const char __user *buffer,
+ size_t count, loff_t *off)
{
- struct obd_device *obd = data;
- struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev);
- int rc, val;
+ struct seq_file *m = file->private_data;
+ struct obd_device *obd = m->private;
+ struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev);
+ int rc, val;
- rc = lprocfs_write_helper(buffer, count, &val);
- if (rc)
- return rc;
+ rc = lprocfs_write_helper(buffer, count, &val);
+ if (rc)
+ return rc;
- mdt->mdt_identity_cache->uc_entry_expire = val;
- return count;
+ mdt->mdt_identity_cache->uc_entry_expire = val;
+ return count;
}
+LPROC_SEQ_FOPS(mdt_identity_expire);
-static int lprocfs_rd_identity_acquire_expire(char *page, char **start,
- off_t off, int count, int *eof,
- void *data)
+static int mdt_identity_acquire_expire_seq_show(struct seq_file *m, void *data)
{
- struct obd_device *obd = data;
- struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev);
+ struct obd_device *obd = m->private;
+ struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev);
- *eof = 1;
- return snprintf(page, count, "%u\n",
- mdt->mdt_identity_cache->uc_acquire_expire);
+ return seq_printf(m, "%u\n", mdt->mdt_identity_cache->uc_acquire_expire);
}
-static int lprocfs_wr_identity_acquire_expire(struct file *file,
- const char *buffer,
- unsigned long count,
- void *data)
+static ssize_t
+mdt_identity_acquire_expire_seq_write(struct file *file,
+ const char __user *buffer,
+ size_t count, loff_t *off)
{
- struct obd_device *obd = data;
- struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev);
- int rc, val;
+ struct seq_file *m = file->private_data;
+ struct obd_device *obd = m->private;
+ struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev);
+ int rc, val;
- rc = lprocfs_write_helper(buffer, count, &val);
- if (rc)
- return rc;
+ rc = lprocfs_write_helper(buffer, count, &val);
+ if (rc)
+ return rc;
- mdt->mdt_identity_cache->uc_acquire_expire = val;
- return count;
+ mdt->mdt_identity_cache->uc_acquire_expire = val;
+ return count;
}
+LPROC_SEQ_FOPS(mdt_identity_acquire_expire);
-static int lprocfs_rd_identity_upcall(char *page, char **start, off_t off,
- int count, int *eof, void *data)
+static int mdt_identity_upcall_seq_show(struct seq_file *m, void *data)
{
- struct obd_device *obd = data;
- struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev);
- struct upcall_cache *hash = mdt->mdt_identity_cache;
- int len;
+ struct obd_device *obd = m->private;
+ struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev);
+ struct upcall_cache *hash = mdt->mdt_identity_cache;
- *eof = 1;
read_lock(&hash->uc_upcall_rwlock);
- len = snprintf(page, count, "%s\n", hash->uc_upcall);
+ seq_printf(m, "%s\n", hash->uc_upcall);
read_unlock(&hash->uc_upcall_rwlock);
- return len;
+ return 0;
}
-static int lprocfs_wr_identity_upcall(struct file *file, const char *buffer,
- unsigned long count, void *data)
+static ssize_t
+mdt_identity_upcall_seq_write(struct file *file, const char __user *buffer,
+ size_t count, loff_t *off)
{
- struct obd_device *obd = data;
+ struct seq_file *m = file->private_data;
+ struct obd_device *obd = m->private;
struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev);
struct upcall_cache *hash = mdt->mdt_identity_cache;
int rc;
OBD_FREE(kernbuf, count + 1);
RETURN(rc);
}
+LPROC_SEQ_FOPS(mdt_identity_upcall);
-static int lprocfs_wr_identity_flush(struct file *file, const char *buffer,
- unsigned long count, void *data)
+static ssize_t
+lprocfs_identity_flush_seq_write(struct file *file, const char __user *buffer,
+ size_t count, void *data)
{
- struct obd_device *obd = data;
- struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev);
- int rc, uid;
+ struct seq_file *m = file->private_data;
+ struct obd_device *obd = m->private;
+ struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev);
+ int rc, uid;
- rc = lprocfs_write_helper(buffer, count, &uid);
- if (rc)
- return rc;
+ rc = lprocfs_write_helper(buffer, count, &uid);
+ if (rc)
+ return rc;
- mdt_flush_identity(mdt->mdt_identity_cache, uid);
- return count;
+ mdt_flush_identity(mdt->mdt_identity_cache, uid);
+ return count;
}
+LPROC_SEQ_FOPS_WO_TYPE(mdt, identity_flush);
-static int lprocfs_wr_identity_info(struct file *file, const char *buffer,
- unsigned long count, void *data)
+static ssize_t
+lprocfs_identity_info_seq_write(struct file *file, const char __user *buffer,
+ size_t count, void *data)
{
- struct obd_device *obd = data;
+ struct seq_file *m = file->private_data;
+ struct obd_device *obd = m->private;
struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev);
struct identity_downcall_data *param;
int size = sizeof(*param), rc, checked = 0;
again:
if (count < size) {
CERROR("%s: invalid data count = %lu, size = %d\n",
- mdt_obd_name(mdt), count, size);
+ mdt_obd_name(mdt), (unsigned long) count, size);
return -EINVAL;
}
return rc ? rc : count;
}
+LPROC_SEQ_FOPS_WO_TYPE(mdt, identity_info);
-/* for debug only */
-static int lprocfs_rd_capa(char *page, char **start, off_t off,
- int count, int *eof, void *data)
+static int mdt_site_stats_seq_show(struct seq_file *m, void *data)
{
- struct obd_device *obd = data;
- struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev);
+ struct obd_device *obd = m->private;
+ struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev);
- return snprintf(page, count, "capability on: %s %s\n",
- mdt->mdt_opts.mo_oss_capa ? "oss" : "",
- mdt->mdt_opts.mo_mds_capa ? "mds" : "");
+ return lu_site_stats_seq_print(mdt_lu_site(mdt), m);
}
+LPROC_SEQ_FOPS_RO(mdt_site_stats);
-static int lprocfs_wr_capa(struct file *file, const char *buffer,
- unsigned long count, void *data)
+#define BUFLEN (UUID_MAX + 4)
+
+static ssize_t
+lprocfs_mds_evict_client_seq_write(struct file *file, const char __user *buf,
+ size_t count, loff_t *off)
{
- struct obd_device *obd = data;
+ struct seq_file *m = file->private_data;
+ struct obd_device *obd = m->private;
struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev);
- int val, rc;
+ char *kbuf;
+ char *tmpbuf;
+ int rc = 0;
- rc = lprocfs_write_helper(buffer, count, &val);
- if (rc)
- return rc;
+ OBD_ALLOC(kbuf, BUFLEN);
+ if (kbuf == NULL)
+ return -ENOMEM;
- if (val < 0 || val > 3) {
- CERROR("invalid capability mode, only 0/2/3 is accepted.\n"
- " 0: disable fid capability\n"
- " 2: enable MDS fid capability\n"
- " 3: enable both MDS and OSS fid capability\n");
- return -EINVAL;
- }
+ /*
+ * OBD_ALLOC() will zero kbuf, but we only copy BUFLEN - 1
+ * bytes into kbuf, to ensure that the string is NUL-terminated.
+ * UUID_MAX should include a trailing NUL already.
+ */
+ if (copy_from_user(kbuf, buf, min_t(unsigned long, BUFLEN - 1, count)))
+ GOTO(out, rc = -EFAULT);
+ tmpbuf = cfs_firststr(kbuf, min_t(unsigned long, BUFLEN - 1, count));
- /* OSS fid capability needs enable both MDS and OSS fid capability on
- * MDS */
- if (val == 1) {
- CERROR("can't enable OSS fid capability only, you should use "
- "'3' to enable both MDS and OSS fid capability.\n");
- return -EINVAL;
+ if (strncmp(tmpbuf, "nid:", 4) != 0) {
+ count = lprocfs_evict_client_seq_write(file, buf, count, off);
+ goto out;
}
- mdt->mdt_opts.mo_oss_capa = (val & 0x1);
- mdt->mdt_opts.mo_mds_capa = !!(val & 0x2);
- mdt->mdt_capa_conf = 1;
- LCONSOLE_INFO("MDS %s %s MDS fid capability.\n",
- mdt_obd_name(mdt),
- mdt->mdt_opts.mo_mds_capa ? "enabled" : "disabled");
- LCONSOLE_INFO("MDS %s %s OSS fid capability.\n",
- mdt_obd_name(mdt),
- mdt->mdt_opts.mo_oss_capa ? "enabled" : "disabled");
- return count;
-}
-
-static int lprocfs_rd_capa_count(char *page, char **start, off_t off,
- int count, int *eof, void *data)
-{
- return snprintf(page, count, "%d %d\n",
- capa_count[CAPA_SITE_CLIENT],
- capa_count[CAPA_SITE_SERVER]);
-}
-
-static int lprocfs_rd_site_stats(char *page, char **start, off_t off,
- int count, int *eof, void *data)
-{
- struct obd_device *obd = data;
- struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev);
-
- return lu_site_stats_print(mdt_lu_site(mdt), page, count);
-}
-
-static int lprocfs_rd_capa_timeout(char *page, char **start, off_t off,
- int count, int *eof, void *data)
-{
- struct obd_device *obd = data;
- struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev);
-
- return snprintf(page, count, "%lu\n", mdt->mdt_capa_timeout);
-}
+ if (mdt->mdt_opts.mo_evict_tgt_nids) {
+ rc = obd_set_info_async(NULL, mdt->mdt_child_exp,
+ sizeof(KEY_EVICT_BY_NID),
+ KEY_EVICT_BY_NID,
+ strlen(tmpbuf + 4) + 1,
+ tmpbuf + 4, NULL);
+ if (rc)
+ CERROR("Failed to evict nid %s from OSTs: rc %d\n",
+ tmpbuf + 4, rc);
+ }
-static int lprocfs_wr_capa_timeout(struct file *file, const char *buffer,
- unsigned long count, void *data)
-{
- struct obd_device *obd = data;
- struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev);
- int val, rc;
+ /* See the comments in function lprocfs_wr_evict_client()
+ * in ptlrpc/lproc_ptlrpc.c for details. - jay */
+ class_incref(obd, __func__, current);
+ obd_export_evict_by_nid(obd, tmpbuf + 4);
+ class_decref(obd, __func__, current);
- rc = lprocfs_write_helper(buffer, count, &val);
- if (rc)
- return rc;
- mdt->mdt_capa_timeout = (unsigned long)val;
- mdt->mdt_capa_conf = 1;
- return count;
+out:
+ OBD_FREE(kbuf, BUFLEN);
+ return rc < 0 ? rc : count;
}
-static int lprocfs_rd_ck_timeout(char *page, char **start, off_t off, int count,
- int *eof, void *data)
-{
- struct obd_device *obd = data;
- struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev);
-
- return snprintf(page, count, "%lu\n", mdt->mdt_ck_timeout);
-}
+#undef BUFLEN
-static int lprocfs_wr_ck_timeout(struct file *file, const char *buffer,
- unsigned long count, void *data)
+static int mdt_evict_tgt_nids_seq_show(struct seq_file *m, void *data)
{
- struct obd_device *obd = data;
- struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev);
- int val, rc;
-
- rc = lprocfs_write_helper(buffer, count, &val);
- if (rc)
- return rc;
+ struct obd_device *obd = m->private;
+ struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev);
- mdt->mdt_ck_timeout = (unsigned long)val;
- mdt->mdt_capa_conf = 1;
- return count;
+ return seq_printf(m, "%u\n", mdt->mdt_opts.mo_evict_tgt_nids);
}
-#define BUFLEN (UUID_MAX + 4)
-
-static int lprocfs_mdt_wr_evict_client(struct file *file, const char *buffer,
- unsigned long count, void *data)
+static ssize_t
+mdt_evict_tgt_nids_seq_write(struct file *file, const char __user *buffer,
+ size_t count, loff_t *off)
{
- char *kbuf;
- char *tmpbuf;
-
- OBD_ALLOC(kbuf, BUFLEN);
- if (kbuf == NULL)
- return -ENOMEM;
-
- /*
- * OBD_ALLOC() will zero kbuf, but we only copy BUFLEN - 1
- * bytes into kbuf, to ensure that the string is NUL-terminated.
- * UUID_MAX should include a trailing NUL already.
- */
- if (copy_from_user(kbuf, buffer,
- min_t(unsigned long, BUFLEN - 1, count))) {
- count = -EFAULT;
- goto out;
- }
- tmpbuf = cfs_firststr(kbuf, min_t(unsigned long, BUFLEN - 1, count));
-
- if (strncmp(tmpbuf, "nid:", 4) != 0) {
- count = lprocfs_wr_evict_client(file, buffer, count, data);
- goto out;
- }
-
- CERROR("NOT implement evict client by nid %s\n", tmpbuf);
+ struct seq_file *m = file->private_data;
+ struct obd_device *obd = m->private;
+ struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev);
+ int val, rc;
-out:
- OBD_FREE(kbuf, BUFLEN);
- return count;
+ rc = lprocfs_write_helper(buffer, count, &val);
+ if (rc)
+ return rc;
+ mdt->mdt_opts.mo_evict_tgt_nids = !!val;
+ return count;
}
+LPROC_SEQ_FOPS(mdt_evict_tgt_nids);
-#undef BUFLEN
-static int lprocfs_rd_sec_level(char *page, char **start, off_t off,
- int count, int *eof, void *data)
+static int mdt_sec_level_seq_show(struct seq_file *m, void *data)
{
- struct obd_device *obd = data;
- struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev);
+ struct obd_device *obd = m->private;
+ struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev);
- return snprintf(page, count, "%d\n", mdt->mdt_sec_level);
+ return seq_printf(m, "%d\n", mdt->mdt_lut.lut_sec_level);
}
-static int lprocfs_wr_sec_level(struct file *file, const char *buffer,
- unsigned long count, void *data)
+static ssize_t
+mdt_sec_level_seq_write(struct file *file, const char __user *buffer,
+ size_t count, loff_t *off)
{
- struct obd_device *obd = data;
- struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev);
- int val, rc;
+ struct seq_file *m = file->private_data;
+ struct obd_device *obd = m->private;
+ struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev);
+ int val, rc;
rc = lprocfs_write_helper(buffer, count, &val);
if (rc)
return -EINVAL;
}
- mdt->mdt_sec_level = val;
- return count;
-}
-
-static int lprocfs_rd_cos(char *page, char **start, off_t off,
- int count, int *eof, void *data)
-{
- struct obd_device *obd = data;
- struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev);
-
- return snprintf(page, count, "%u\n", mdt_cos_is_enabled(mdt));
-}
-
-static int lprocfs_wr_cos(struct file *file, const char *buffer,
- unsigned long count, void *data)
-{
- struct obd_device *obd = data;
- struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev);
- int val, rc;
-
- rc = lprocfs_write_helper(buffer, count, &val);
- if (rc)
- return rc;
- mdt_enable_cos(mdt, val);
- return count;
-}
-
-static int lprocfs_rd_root_squash(char *page, char **start, off_t off,
- int count, int *eof, void *data)
-{
- struct obd_device *obd = data;
- struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev);
-
- return snprintf(page, count, "%u:%u\n", mdt->mdt_squash_uid,
- mdt->mdt_squash_gid);
-}
-
-static int safe_strtoul(const char *str, char **endp, unsigned long *res)
-{
- char n[24];
-
- *res = simple_strtoul(str, endp, 0);
- if (str == *endp)
- return 1;
-
- sprintf(n, "%lu", *res);
- if (strncmp(n, str, *endp - str))
- /* overflow */
- return 1;
- return 0;
+ mdt->mdt_lut.lut_sec_level = val;
+ return count;
}
+LPROC_SEQ_FOPS(mdt_sec_level);
-static int lprocfs_wr_root_squash(struct file *file, const char *buffer,
- unsigned long count, void *data)
+static int mdt_cos_seq_show(struct seq_file *m, void *data)
{
- struct obd_device *obd = data;
+ struct obd_device *obd = m->private;
struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev);
- int rc;
- char kernbuf[50], *tmp, *end, *errmsg;
- unsigned long uid, gid;
- int nouid, nogid;
- ENTRY;
-
- if (count >= sizeof(kernbuf)) {
- errmsg = "string too long";
- GOTO(failed, rc = -EINVAL);
- }
- if (copy_from_user(kernbuf, buffer, count)) {
- errmsg = "bad address";
- GOTO(failed, rc = -EFAULT);
- }
- kernbuf[count] = '\0';
-
- nouid = nogid = 0;
- if (safe_strtoul(buffer, &tmp, &uid)) {
- uid = mdt->mdt_squash_uid;
- nouid = 1;
- }
-
- /* skip ':' */
- if (*tmp == ':') {
- tmp++;
- if (safe_strtoul(tmp, &end, &gid)) {
- gid = mdt->mdt_squash_gid;
- nogid = 1;
- }
- } else {
- gid = mdt->mdt_squash_gid;
- nogid = 1;
- }
-
- mdt->mdt_squash_uid = uid;
- mdt->mdt_squash_gid = gid;
-
- if (nouid && nogid) {
- errmsg = "needs uid:gid format";
- GOTO(failed, rc = -EINVAL);
- }
- LCONSOLE_INFO("%s: root_squash is set to %u:%u\n",
- mdt_obd_name(mdt),
- mdt->mdt_squash_uid, mdt->mdt_squash_gid);
- RETURN(count);
-
-failed:
- CWARN("%s: failed to set root_squash to \"%s\", %s: rc %d\n",
- mdt_obd_name(mdt), buffer, errmsg, rc);
- RETURN(rc);
+ return seq_printf(m, "%u\n", mdt_cos_is_enabled(mdt));
}
-static int lprocfs_rd_nosquash_nids(char *page, char **start, off_t off,
- int count, int *eof, void *data)
+static ssize_t
+mdt_cos_seq_write(struct file *file, const char __user *buffer,
+ size_t count, loff_t *off)
{
- struct obd_device *obd = data;
- struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev);
+ struct seq_file *m = file->private_data;
+ struct obd_device *obd = m->private;
+ struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev);
+ int val, rc;
- if (mdt->mdt_nosquash_str)
- return snprintf(page, count, "%s\n", mdt->mdt_nosquash_str);
- return snprintf(page, count, "NONE\n");
+ rc = lprocfs_write_helper(buffer, count, &val);
+ if (rc)
+ return rc;
+ mdt_enable_cos(mdt, val);
+ return count;
}
+LPROC_SEQ_FOPS(mdt_cos);
-static int lprocfs_wr_nosquash_nids(struct file *file, const char *buffer,
- unsigned long count, void *data)
+static int mdt_root_squash_seq_show(struct seq_file *m, void *data)
{
- struct obd_device *obd = data;
+ struct obd_device *obd = m->private;
struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev);
- int rc;
- char *kernbuf, *errmsg;
- cfs_list_t tmp;
- ENTRY;
+ struct root_squash_info *squash = &mdt->mdt_squash;
- OBD_ALLOC(kernbuf, count + 1);
- if (kernbuf == NULL) {
- errmsg = "no memory";
- GOTO(failed, rc = -ENOMEM);
- }
- if (copy_from_user(kernbuf, buffer, count)) {
- errmsg = "bad address";
- GOTO(failed, rc = -EFAULT);
- }
- kernbuf[count] = '\0';
-
- if (!strcmp(kernbuf, "NONE") || !strcmp(kernbuf, "clear")) {
- /* empty string is special case */
- down_write(&mdt->mdt_squash_sem);
- if (!cfs_list_empty(&mdt->mdt_nosquash_nids)) {
- cfs_free_nidlist(&mdt->mdt_nosquash_nids);
- OBD_FREE(mdt->mdt_nosquash_str,
- mdt->mdt_nosquash_strlen);
- mdt->mdt_nosquash_str = NULL;
- mdt->mdt_nosquash_strlen = 0;
- }
- up_write(&mdt->mdt_squash_sem);
- LCONSOLE_INFO("%s: nosquash_nids is cleared\n",
- mdt_obd_name(mdt));
- OBD_FREE(kernbuf, count + 1);
- RETURN(count);
- }
-
- CFS_INIT_LIST_HEAD(&tmp);
- if (cfs_parse_nidlist(kernbuf, count, &tmp) <= 0) {
- errmsg = "can't parse";
- GOTO(failed, rc = -EINVAL);
- }
-
- down_write(&mdt->mdt_squash_sem);
- if (!cfs_list_empty(&mdt->mdt_nosquash_nids)) {
- cfs_free_nidlist(&mdt->mdt_nosquash_nids);
- OBD_FREE(mdt->mdt_nosquash_str, mdt->mdt_nosquash_strlen);
- }
- mdt->mdt_nosquash_str = kernbuf;
- mdt->mdt_nosquash_strlen = count + 1;
- cfs_list_splice(&tmp, &mdt->mdt_nosquash_nids);
-
- LCONSOLE_INFO("%s: nosquash_nids is set to %s\n",
- mdt_obd_name(mdt), kernbuf);
- up_write(&mdt->mdt_squash_sem);
- RETURN(count);
-
-failed:
- CWARN("%s: failed to set nosquash_nids to \"%s\", %s: rc %d\n",
- mdt_obd_name(mdt), kernbuf, errmsg, rc);
- if (kernbuf)
- OBD_FREE(kernbuf, count + 1);
- RETURN(rc);
+ return seq_printf(m, "%u:%u\n", squash->rsi_uid,
+ squash->rsi_gid);
}
-static int lprocfs_rd_mdt_som(char *page, char **start, off_t off,
- int count, int *eof, void *data)
+static ssize_t
+mdt_root_squash_seq_write(struct file *file, const char __user *buffer,
+ size_t count, loff_t *off)
{
- struct obd_device *obd = data;
- struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev);
+ struct seq_file *m = file->private_data;
+ struct obd_device *obd = m->private;
+ struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev);
+ struct root_squash_info *squash = &mdt->mdt_squash;
- return snprintf(page, count, "%sabled\n",
- mdt->mdt_som_conf ? "en" : "dis");
+ return lprocfs_wr_root_squash(buffer, count, squash,
+ mdt_obd_name(mdt));
}
+LPROC_SEQ_FOPS(mdt_root_squash);
-static int lprocfs_wr_mdt_som(struct file *file, const char *buffer,
- unsigned long count, void *data)
+static int mdt_nosquash_nids_seq_show(struct seq_file *m, void *data)
{
- struct obd_export *exp;
- struct obd_device *obd = data;
- struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev);
- char kernbuf[16];
- unsigned long val = 0;
-
- if (count > (sizeof(kernbuf) - 1))
- return -EINVAL;
-
- if (copy_from_user(kernbuf, buffer, count))
- return -EFAULT;
-
- kernbuf[count] = '\0';
-
- if (!strcmp(kernbuf, "enabled"))
- val = 1;
- else if (strcmp(kernbuf, "disabled"))
- return -EINVAL;
-
- if (mdt->mdt_som_conf == val)
- return count;
-
- if (!obd->obd_process_conf) {
- CERROR("Temporary SOM change is not supported, use lctl "
- "conf_param for permanent setting\n");
- return count;
- }
-
- /* 1 stands for self export. */
- cfs_list_for_each_entry(exp, &obd->obd_exports, exp_obd_chain) {
- if (exp == obd->obd_self_export)
- continue;
- if (exp_connect_flags(exp) & OBD_CONNECT_MDS_MDS)
- continue;
- /* Some clients are already connected, skip the change */
- LCONSOLE_INFO("%s is already connected, SOM will be %s on "
- "the next mount\n", exp->exp_client_uuid.uuid,
- val ? "enabled" : "disabled");
- return count;
- }
+ struct obd_device *obd = m->private;
+ struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev);
+ struct root_squash_info *squash = &mdt->mdt_squash;
+ int len = 0, rc;
- mdt->mdt_som_conf = val;
- LCONSOLE_INFO("Enabling SOM\n");
+ down_read(&squash->rsi_sem);
+ if (!list_empty(&squash->rsi_nosquash_nids)) {
+ len = cfs_print_nidlist(m->buf + m->count, m->size - m->count,
+ &squash->rsi_nosquash_nids);
+ m->count += len;
+ rc = seq_printf(m, "\n");
+ } else
+ rc = seq_printf(m, "NONE\n");
+ up_read(&squash->rsi_sem);
- return count;
+ return rc;
}
-/* Temporary; for testing purposes only */
-static int lprocfs_mdt_wr_mdc(struct file *file, const char *buffer,
- unsigned long count, void *data)
+static ssize_t
+mdt_nosquash_nids_seq_write(struct file *file, const char __user *buffer,
+ size_t count, loff_t *off)
{
- struct obd_device *obd = data;
- struct obd_export *exp = NULL;
- struct obd_uuid *uuid;
- char *kbuf;
- char *tmpbuf;
-
- OBD_ALLOC(kbuf, UUID_MAX);
- if (kbuf == NULL)
- return -ENOMEM;
-
- /*
- * OBD_ALLOC() will zero kbuf, but we only copy UUID_MAX - 1
- * bytes into kbuf, to ensure that the string is NUL-terminated.
- * UUID_MAX should include a trailing NUL already.
- */
- if (copy_from_user(kbuf, buffer,
- min_t(unsigned long, UUID_MAX - 1, count))) {
- count = -EFAULT;
- goto out;
- }
- tmpbuf = cfs_firststr(kbuf, min_t(unsigned long, UUID_MAX - 1, count));
-
- OBD_ALLOC(uuid, UUID_MAX);
- if (uuid == NULL) {
- count = -ENOMEM;
- goto out;
- }
-
- obd_str2uuid(uuid, tmpbuf);
- exp = cfs_hash_lookup(obd->obd_uuid_hash, uuid);
- if (exp == NULL) {
- CERROR("%s: no export %s found\n",
- obd->obd_name, obd_uuid2str(uuid));
- } else {
- mdt_hsm_copytool_send(exp);
- class_export_put(exp);
- }
+ struct seq_file *m = file->private_data;
+ struct obd_device *obd = m->private;
+ struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev);
+ struct root_squash_info *squash = &mdt->mdt_squash;
- OBD_FREE(uuid, UUID_MAX);
-out:
- OBD_FREE(kbuf, UUID_MAX);
- return count;
+ return lprocfs_wr_nosquash_nids(buffer, count, squash,
+ mdt_obd_name(mdt));
}
+LPROC_SEQ_FOPS(mdt_nosquash_nids);
-static int lprocfs_rd_enable_remote_dir(char *page, char **start, off_t off,
- int count, int *eof, void *data)
+static int mdt_enable_remote_dir_seq_show(struct seq_file *m, void *data)
{
- struct obd_device *obd = data;
+ struct obd_device *obd = m->private;
struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev);
- return snprintf(page, count, "%u\n", mdt->mdt_enable_remote_dir);
+ return seq_printf(m, "%u\n", mdt->mdt_enable_remote_dir);
}
-static int lprocfs_wr_enable_remote_dir(struct file *file, const char *buffer,
- unsigned long count, void *data)
+static ssize_t
+mdt_enable_remote_dir_seq_write(struct file *file, const char __user *buffer,
+ size_t count, loff_t *off)
{
- struct obd_device *obd = data;
+ struct seq_file *m = file->private_data;
+ struct obd_device *obd = m->private;
struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev);
__u32 val;
int rc;
if (rc)
return rc;
- if (val < 0 || val > 1)
+ if (val > 1)
return -ERANGE;
mdt->mdt_enable_remote_dir = val;
return count;
}
+LPROC_SEQ_FOPS(mdt_enable_remote_dir);
-static int lprocfs_rd_enable_remote_dir_gid(char *page, char **start, off_t off,
- int count, int *eof, void *data)
+static int mdt_enable_remote_dir_gid_seq_show(struct seq_file *m, void *data)
{
- struct obd_device *obd = data;
+ struct obd_device *obd = m->private;
struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev);
- return snprintf(page, count, "%d\n",
- (int)mdt->mdt_enable_remote_dir_gid);
+ return seq_printf(m, "%d\n",
+ (int)mdt->mdt_enable_remote_dir_gid);
}
-static int lprocfs_wr_enable_remote_dir_gid(struct file *file,
- const char *buffer,
- unsigned long count, void *data)
+static ssize_t
+mdt_enable_remote_dir_gid_seq_write(struct file *file,
+ const char __user *buffer,
+ size_t count, loff_t *off)
{
- struct obd_device *obd = data;
+ struct seq_file *m = file->private_data;
+ struct obd_device *obd = m->private;
struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev);
__u32 val;
int rc;
mdt->mdt_enable_remote_dir_gid = val;
return count;
}
+LPROC_SEQ_FOPS(mdt_enable_remote_dir_gid);
+
+LPROC_SEQ_FOPS_RO_TYPE(mdt, uuid);
+LPROC_SEQ_FOPS_RO_TYPE(mdt, recovery_status);
+LPROC_SEQ_FOPS_RO_TYPE(mdt, num_exports);
+LPROC_SEQ_FOPS_RO_TYPE(mdt, target_instance);
+LPROC_SEQ_FOPS_RO_TYPE(mdt, hash);
+LPROC_SEQ_FOPS_WO_TYPE(mdt, mds_evict_client);
+LPROC_SEQ_FOPS_RW_TYPE(mdt, job_interval);
+LPROC_SEQ_FOPS_RW_TYPE(mdt, ir_factor);
+LPROC_SEQ_FOPS_RW_TYPE(mdt, nid_stats_clear);
+LPROC_SEQ_FOPS(mdt_hsm_cdt_control);
+
+LPROC_SEQ_FOPS_RW_TYPE(mdt, recovery_time_hard);
+LPROC_SEQ_FOPS_RW_TYPE(mdt, recovery_time_soft);
static struct lprocfs_vars lprocfs_mdt_obd_vars[] = {
- { "uuid", lprocfs_rd_uuid, 0, 0 },
- { "recovery_status", lprocfs_obd_rd_recovery_status, 0, 0 },
- { "num_exports", lprocfs_rd_num_exports, 0, 0 },
- { "identity_expire", lprocfs_rd_identity_expire,
- lprocfs_wr_identity_expire, 0 },
- { "identity_acquire_expire", lprocfs_rd_identity_acquire_expire,
- lprocfs_wr_identity_acquire_expire, 0 },
- { "identity_upcall", lprocfs_rd_identity_upcall,
- lprocfs_wr_identity_upcall, 0 },
- { "identity_flush", 0, lprocfs_wr_identity_flush, 0 },
- { "identity_info", 0, lprocfs_wr_identity_info, 0 },
- { "capa", lprocfs_rd_capa,
- lprocfs_wr_capa, 0 },
- { "capa_timeout", lprocfs_rd_capa_timeout,
- lprocfs_wr_capa_timeout, 0 },
- { "capa_key_timeout", lprocfs_rd_ck_timeout,
- lprocfs_wr_ck_timeout, 0 },
- { "capa_count", lprocfs_rd_capa_count, 0, 0 },
- { "site_stats", lprocfs_rd_site_stats, 0, 0 },
- { "evict_client", 0, lprocfs_mdt_wr_evict_client, 0 },
- { "hash_stats", lprocfs_obd_rd_hash, 0, 0 },
- { "sec_level", lprocfs_rd_sec_level,
- lprocfs_wr_sec_level, 0 },
- { "commit_on_sharing", lprocfs_rd_cos, lprocfs_wr_cos, 0 },
- { "root_squash", lprocfs_rd_root_squash,
- lprocfs_wr_root_squash, 0 },
- { "nosquash_nids", lprocfs_rd_nosquash_nids,
- lprocfs_wr_nosquash_nids, 0 },
- { "som", lprocfs_rd_mdt_som,
- lprocfs_wr_mdt_som, 0 },
- { "mdccomm", 0, lprocfs_mdt_wr_mdc, 0 },
- { "instance", lprocfs_target_rd_instance, 0 },
- { "ir_factor", lprocfs_obd_rd_ir_factor,
- lprocfs_obd_wr_ir_factor, 0 },
- { "job_cleanup_interval", lprocfs_rd_job_interval,
- lprocfs_wr_job_interval, 0 },
- { "enable_remote_dir", lprocfs_rd_enable_remote_dir,
- lprocfs_wr_enable_remote_dir, 0},
- { "enable_remote_dir_gid", lprocfs_rd_enable_remote_dir_gid,
- lprocfs_wr_enable_remote_dir_gid, 0},
- { 0 }
+ { .name = "uuid",
+ .fops = &mdt_uuid_fops },
+ { .name = "recovery_status",
+ .fops = &mdt_recovery_status_fops },
+ { .name = "num_exports",
+ .fops = &mdt_num_exports_fops },
+ { .name = "identity_expire",
+ .fops = &mdt_identity_expire_fops },
+ { .name = "identity_acquire_expire",
+ .fops = &mdt_identity_acquire_expire_fops },
+ { .name = "identity_upcall",
+ .fops = &mdt_identity_upcall_fops },
+ { .name = "identity_flush",
+ .fops = &mdt_identity_flush_fops },
+ { .name = "identity_info",
+ .fops = &mdt_identity_info_fops },
+ { .name = "site_stats",
+ .fops = &mdt_site_stats_fops },
+ { .name = "evict_client",
+ .fops = &mdt_mds_evict_client_fops },
+ { .name = "evict_tgt_nids",
+ .fops = &mdt_evict_tgt_nids_fops },
+ { .name = "hash_stats",
+ .fops = &mdt_hash_fops },
+ { .name = "sec_level",
+ .fops = &mdt_sec_level_fops },
+ { .name = "commit_on_sharing",
+ .fops = &mdt_cos_fops },
+ { .name = "root_squash",
+ .fops = &mdt_root_squash_fops },
+ { .name = "nosquash_nids",
+ .fops = &mdt_nosquash_nids_fops },
+ { .name = "instance",
+ .fops = &mdt_target_instance_fops },
+ { .name = "ir_factor",
+ .fops = &mdt_ir_factor_fops },
+ { .name = "job_cleanup_interval",
+ .fops = &mdt_job_interval_fops },
+ { .name = "enable_remote_dir",
+ .fops = &mdt_enable_remote_dir_fops },
+ { .name = "enable_remote_dir_gid",
+ .fops = &mdt_enable_remote_dir_gid_fops },
+ { .name = "hsm_control",
+ .fops = &mdt_hsm_cdt_control_fops },
+ { .name = "recovery_time_hard",
+ .fops = &mdt_recovery_time_hard_fops },
+ { .name = "recovery_time_soft",
+ .fops = &mdt_recovery_time_soft_fops },
+ { NULL }
};
-static struct lprocfs_vars lprocfs_mdt_module_vars[] = {
- { "num_refs", lprocfs_rd_numrefs, 0, 0 },
- { 0 }
-};
+static int
+lprocfs_mdt_print_open_files(struct cfs_hash *hs, struct cfs_hash_bd *bd,
+ struct hlist_node *hnode, void *v)
+{
+ struct obd_export *exp = cfs_hash_object(hs, hnode);
+ struct seq_file *seq = v;
+
+ if (exp->exp_lock_hash != NULL) {
+ struct mdt_export_data *med = &exp->exp_mdt_data;
+ struct mdt_file_data *mfd;
+
+ spin_lock(&med->med_open_lock);
+ list_for_each_entry(mfd, &med->med_open_head, mfd_list) {
+ seq_printf(seq, DFID"\n",
+ PFID(mdt_object_fid(mfd->mfd_object)));
+ }
+ spin_unlock(&med->med_open_lock);
+ }
+
+ return 0;
+}
-void lprocfs_mdt_init_vars(struct lprocfs_static_vars *lvars)
+static int lprocfs_mdt_open_files_seq_show(struct seq_file *seq, void *v)
{
- lvars->module_vars = lprocfs_mdt_module_vars;
- lvars->obd_vars = lprocfs_mdt_obd_vars;
+ struct nid_stat *stats = seq->private;
+ struct obd_device *obd = stats->nid_obd;
+
+ cfs_hash_for_each_key(obd->obd_nid_hash, &stats->nid,
+ lprocfs_mdt_print_open_files, seq);
+
+ return 0;
}
-struct lprocfs_vars lprocfs_mds_obd_vars[] = {
- { "uuid", lprocfs_rd_uuid, 0, 0 },
- { 0 }
-};
+int lprocfs_mdt_open_files_seq_open(struct inode *inode, struct file *file)
+{
+ struct seq_file *seq;
+ int rc;
-struct lprocfs_vars lprocfs_mds_module_vars[] = {
- { "num_refs", lprocfs_rd_numrefs, 0, 0 },
- { 0 }
-};
+ rc = single_open(file, &lprocfs_mdt_open_files_seq_show, NULL);
+ if (rc != 0)
+ return rc;
+
+ seq = file->private_data;
+ seq->private = PDE_DATA(inode);
+
+ return 0;
+}
void mdt_counter_incr(struct ptlrpc_request *req, int opcode)
{
struct obd_export *exp = req->rq_export;
- if (exp->exp_obd && exp->exp_obd->md_stats)
- lprocfs_counter_incr(exp->exp_obd->md_stats, opcode);
+ if (exp->exp_obd && exp->exp_obd->obd_md_stats)
+ lprocfs_counter_incr(exp->exp_obd->obd_md_stats, opcode);
if (exp->exp_nid_stats && exp->exp_nid_stats->nid_stats != NULL)
lprocfs_counter_incr(exp->exp_nid_stats->nid_stats, opcode);
if (exp->exp_obd && exp->exp_obd->u.obt.obt_jobstats.ojs_hash &&
lprocfs_counter_init(stats, LPROC_MDT_CROSSDIR_RENAME, 0,
"crossdir_rename", "reqs");
}
+
+int mdt_procfs_init(struct mdt_device *mdt, const char *name)
+{
+ struct obd_device *obd = mdt2obd_dev(mdt);
+ int rc;
+ ENTRY;
+
+ LASSERT(name != NULL);
+
+ obd->obd_vars = lprocfs_mdt_obd_vars;
+ rc = lprocfs_obd_setup(obd);
+ if (rc) {
+ CERROR("%s: cannot create proc entries: rc = %d\n",
+ mdt_obd_name(mdt), rc);
+ return rc;
+ }
+
+ rc = hsm_cdt_procfs_init(mdt);
+ if (rc) {
+ CERROR("%s: cannot create hsm proc entries: rc = %d\n",
+ mdt_obd_name(mdt), rc);
+ return rc;
+ }
+
+ obd->obd_proc_exports_entry = proc_mkdir("exports",
+ obd->obd_proc_entry);
+ if (obd->obd_proc_exports_entry)
+ lprocfs_add_simple(obd->obd_proc_exports_entry, "clear",
+ obd, &mdt_nid_stats_clear_fops);
+ rc = lprocfs_alloc_md_stats(obd, LPROC_MDT_LAST);
+ if (rc)
+ return rc;
+ mdt_stats_counter_init(obd->obd_md_stats);
+
+ rc = lprocfs_job_stats_init(obd, LPROC_MDT_LAST,
+ mdt_stats_counter_init);
+
+ rc = lproc_mdt_attach_rename_seqstat(mdt);
+ if (rc)
+ CERROR("%s: MDT can not create rename stats rc = %d\n",
+ mdt_obd_name(mdt), rc);
+
+ RETURN(rc);
+}
+
+void mdt_procfs_fini(struct mdt_device *mdt)
+{
+ struct obd_device *obd = mdt2obd_dev(mdt);
+
+ if (obd->obd_proc_exports_entry != NULL) {
+ lprocfs_remove_proc_entry("clear", obd->obd_proc_exports_entry);
+ obd->obd_proc_exports_entry = NULL;
+ }
+
+ lprocfs_free_per_client_stats(obd);
+ hsm_cdt_procfs_fini(mdt);
+ lprocfs_obd_cleanup(obd);
+ lprocfs_free_md_stats(obd);
+ lprocfs_free_obd_stats(obd);
+ lprocfs_job_stats_fini(obd);
+}