-/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
- * vim:expandtab:shiftwidth=8:tabstop=8:
- *
+/*
* GPL HEADER START
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
* GPL HEADER END
*/
/*
- * Copyright 2008 Sun Microsystems, Inc. All rights reserved
+ * Copyright (c) 2002, 2010, Oracle and/or its affiliates. All rights reserved.
* Use is subject to license terms.
+ *
+ * Copyright (c) 2011, 2012, Intel Corporation.
*/
/*
* This file is part of Lustre, http://www.lustre.org/
#include <linux/vfs.h>
#include <obd_class.h>
#include <lprocfs_status.h>
-#include <lustre_log.h>
-
-#ifdef LPROCFS
-
-static int mdc_rd_max_rpcs_in_flight(char *page, char **start, off_t off,
- int count, int *eof, void *data)
-{
- struct obd_device *dev = data;
- struct client_obd *cli = &dev->u.cli;
- int rc;
-
- client_obd_list_lock(&cli->cl_loi_list_lock);
- rc = snprintf(page, count, "%u\n", cli->cl_max_rpcs_in_flight);
- client_obd_list_unlock(&cli->cl_loi_list_lock);
- return rc;
-}
-
-static int mdc_wr_max_rpcs_in_flight(struct file *file, const char *buffer,
- unsigned long count, void *data)
-{
- struct obd_device *dev = data;
- struct client_obd *cli = &dev->u.cli;
- int val, rc;
-
- rc = lprocfs_write_helper(buffer, count, &val);
- if (rc)
- return rc;
- if (val < 1 || val > MDC_MAX_RIF_MAX)
- return -ERANGE;
+#include "mdc_internal.h"
- client_obd_list_lock(&cli->cl_loi_list_lock);
- cli->cl_max_rpcs_in_flight = val;
- client_obd_list_unlock(&cli->cl_loi_list_lock);
-
- return count;
-}
-
-static struct lnl_hdr *changelog_lnl_alloc(int len, int flags)
-{
- struct lnl_hdr *lh;
-
- OBD_ALLOC(lh, len);
- if (lh == NULL)
- RETURN(NULL);
-
- lh->lnl_magic = LNL_MAGIC;
- lh->lnl_transport = LNL_TRANSPORT_CHANGELOG;
- lh->lnl_flags = flags;
- lh->lnl_msgtype = CL_RECORD;
- lh->lnl_msglen = len;
- return lh;
-}
-
-#define D_CHANGELOG 0
+#ifdef LPROCFS
-static int changelog_show_cb(struct llog_handle *llh, struct llog_rec_hdr *hdr,
- void *data)
+static int mdc_max_rpcs_in_flight_seq_show(struct seq_file *m, void *v)
{
- struct changelog_show *cs = data;
- struct llog_changelog_rec *rec = (struct llog_changelog_rec *)hdr;
- struct lnl_hdr *lh;
- int len, rc;
- ENTRY;
-
- if ((rec->cr_hdr.lrh_type != CHANGELOG_REC) ||
- (rec->cr.cr_type >= CL_LAST)) {
- CERROR("Not a changelog rec %d/%d\n", rec->cr_hdr.lrh_type,
- rec->cr.cr_type);
- RETURN(-EINVAL);
- }
-
- if (rec->cr.cr_index < cs->cs_startrec) {
- /* Skip entries earlier than what we are interested in */
- CDEBUG(D_CHANGELOG, "rec="LPU64" start="LPU64"\n",
- rec->cr.cr_index, cs->cs_startrec);
- RETURN(0);
- }
-
- CDEBUG(D_CHANGELOG, LPU64" %02d%-5s "LPU64" 0x%x t="DFID" p="DFID
- " %.*s\n", rec->cr.cr_index, rec->cr.cr_type,
- changelog_type2str(rec->cr.cr_type), rec->cr.cr_time,
- rec->cr.cr_flags & CLF_FLAGMASK,
- PFID(&rec->cr.cr_tfid), PFID(&rec->cr.cr_pfid),
- rec->cr.cr_namelen, rec->cr.cr_name);
+ struct obd_device *dev = m->private;
+ __u32 max;
+ int rc;
- len = sizeof(*lh) + sizeof(rec->cr) + rec->cr.cr_namelen;
+ max = obd_get_max_rpcs_in_flight(&dev->u.cli);
+ rc = seq_printf(m, "%u\n", max);
- /* Set up the netlink message */
- lh = changelog_lnl_alloc(len, cs->cs_flags);
- if (lh == NULL)
- RETURN(-ENOMEM);
- memcpy(lh + 1, &rec->cr, len - sizeof(*lh));
-
- rc = libcfs_klnl_msg_put(cs->cs_pid, 0, lh);
- CDEBUG(D_CHANGELOG, "nlmsg pid %d len %d rc %d\n", cs->cs_pid, len, rc);
-
- OBD_FREE(lh, len);
-
- RETURN(rc);
+ return rc;
}
-static int lproc_mdc_wr_changelog(struct file *file, const char *buffer,
- unsigned long count, void *data)
+static ssize_t mdc_max_rpcs_in_flight_seq_write(struct file *file,
+ const char __user *buffer,
+ size_t count,
+ loff_t *off)
{
- struct obd_device *obd = data;
- struct llog_ctxt *ctxt;
- struct llog_handle *llh;
- struct lnl_hdr *lnlh;
- struct changelog_show cs = {};
- int rc;
-
- CDEBUG(D_CHANGELOG, "file pid %d\n", file->f_owner.pid);
-
- if (count != sizeof(cs))
- return -EINVAL;
-
- if (copy_from_user(&cs, buffer, sizeof(cs)))
- return -EFAULT;
+ struct obd_device *dev = ((struct seq_file *)file->private_data)->private;
+ int val;
+ int rc;
- CDEBUG(D_CHANGELOG, "changelog to pid=%d(%d) start "LPU64"\n",
- cs.cs_pid, file->f_owner.pid, cs.cs_startrec);
+ rc = lprocfs_write_helper(buffer, count, &val);
+ if (rc == 0)
+ rc = obd_set_max_rpcs_in_flight(&dev->u.cli, val);
- /* Set up the remote catalog handle */
- ctxt = llog_get_context(obd, LLOG_CHANGELOG_REPL_CTXT);
- if (ctxt == NULL)
- RETURN(-ENOENT);
- rc = llog_create(ctxt, &llh, NULL, CHANGELOG_CATALOG);
- if (rc) {
- CERROR("llog_create() failed %d\n", rc);
- GOTO(out, rc);
- }
- rc = llog_init_handle(llh, LLOG_F_IS_CAT, NULL);
- if (rc) {
- CERROR("llog_init_handle failed %d\n", rc);
- GOTO(out, rc);
- }
+ if (rc != 0)
+ count = rc;
- rc = llog_cat_process(llh, changelog_show_cb, &cs, 0, 0);
-
- /* Send EOF */
- if ((lnlh = changelog_lnl_alloc(sizeof(*lnlh), cs.cs_flags))) {
- lnlh->lnl_msgtype = CL_EOF;
- libcfs_klnl_msg_put(cs.cs_pid, 0, lnlh);
- OBD_FREE(lnlh, sizeof(*lnlh));
- }
-
-out:
- if (llh)
- llog_cat_put(llh);
- if (ctxt)
- llog_ctxt_put(ctxt);
- if (rc < 0)
- return rc;
- return count;
+ return count;
}
-
-/* temporary for testing */
-static int mdc_wr_netlink(struct file *file, const char *buffer,
- unsigned long count, void *data)
+LPROC_SEQ_FOPS(mdc_max_rpcs_in_flight);
+
+LPROC_SEQ_FOPS_WO_TYPE(mdc, ping);
+
+LPROC_SEQ_FOPS_RO_TYPE(mdc, uuid);
+LPROC_SEQ_FOPS_RO_TYPE(mdc, connect_flags);
+LPROC_SEQ_FOPS_RO_TYPE(mdc, blksize);
+LPROC_SEQ_FOPS_RO_TYPE(mdc, kbytestotal);
+LPROC_SEQ_FOPS_RO_TYPE(mdc, kbytesfree);
+LPROC_SEQ_FOPS_RO_TYPE(mdc, kbytesavail);
+LPROC_SEQ_FOPS_RO_TYPE(mdc, filestotal);
+LPROC_SEQ_FOPS_RO_TYPE(mdc, filesfree);
+LPROC_SEQ_FOPS_RO_TYPE(mdc, server_uuid);
+LPROC_SEQ_FOPS_RO_TYPE(mdc, conn_uuid);
+LPROC_SEQ_FOPS_RO_TYPE(mdc, timeouts);
+LPROC_SEQ_FOPS_RO_TYPE(mdc, state);
+
+static int mdc_obd_max_pages_per_rpc_seq_show(struct seq_file *m, void *v)
{
- struct obd_device *obd = data;
- struct lnl_hdr *lh;
- struct hsm_action_list *hal;
- struct hsm_action_item *hai;
- int len;
- int pid, rc;
-
- rc = lprocfs_write_helper(buffer, count, &pid);
- if (rc)
- return rc;
-
- if (pid < 0)
- return -ERANGE;
- CWARN("message to pid %d\n", pid);
-
- len = sizeof(*lh) + sizeof(*hal) + MTI_NAME_MAXLEN +
- /* for mockup below */ 2 * size_round(sizeof(*hai));
-
- OBD_ALLOC(lh, len);
-
- lh->lnl_magic = LNL_MAGIC;
- lh->lnl_transport = LNL_TRANSPORT_HSM;
- lh->lnl_msgtype = HMT_ACTION_LIST;
- lh->lnl_msglen = len;
-
- hal = (struct hsm_action_list *)(lh + 1);
- hal->hal_version = HAL_VERSION;
- hal->hal_archive_num = 1;
- obd_uuid2fsname(hal->hal_fsname, obd->obd_name, MTI_NAME_MAXLEN);
-
- /* mock up an action list */
- hal->hal_count = 2;
- hai = hai_zero(hal);
- hai->hai_action = HSMA_ARCHIVE;
- hai->hai_fid.f_oid = 5;
- hai->hai_len = sizeof(*hai);
- hai = hai_next(hai);
- hai->hai_action = HSMA_RESTORE;
- hai->hai_fid.f_oid = 10;
- hai->hai_len = sizeof(*hai);
-
- /* This works for either broadcast or unicast to a single pid */
- rc = libcfs_klnl_msg_put(pid, pid == 0 ? LNL_GRP_HSM : 0, lh);
-
- OBD_FREE(lh, len);
- if (rc < 0)
- return rc;
- return count;
+ return lprocfs_obd_max_pages_per_rpc_seq_show(m, m->private);
}
-
-static struct lprocfs_vars lprocfs_mdc_obd_vars[] = {
- { "uuid", lprocfs_rd_uuid, 0, 0 },
- { "ping", 0, lprocfs_wr_ping, 0, 0, 0222 },
- { "connect_flags", lprocfs_rd_connect_flags, 0, 0 },
- { "blocksize", lprocfs_rd_blksize, 0, 0 },
- { "kbytestotal", lprocfs_rd_kbytestotal, 0, 0 },
- { "kbytesfree", lprocfs_rd_kbytesfree, 0, 0 },
- { "kbytesavail", lprocfs_rd_kbytesavail, 0, 0 },
- { "filestotal", lprocfs_rd_filestotal, 0, 0 },
- { "filesfree", lprocfs_rd_filesfree, 0, 0 },
- /*{ "filegroups", lprocfs_rd_filegroups, 0, 0 },*/
- { "mds_server_uuid", lprocfs_rd_server_uuid, 0, 0 },
- { "mds_conn_uuid", lprocfs_rd_conn_uuid, 0, 0 },
- { "max_rpcs_in_flight", mdc_rd_max_rpcs_in_flight,
- mdc_wr_max_rpcs_in_flight, 0 },
- { "quota_resend_count", lprocfs_rd_quota_resend_count,
- lprocfs_wr_quota_resend_count, 0},
- { "timeouts", lprocfs_rd_timeouts, 0, 0 },
- { "import", lprocfs_rd_import, 0, 0 },
- { "state", lprocfs_rd_state, 0, 0 },
- { "changelog_trigger",0,lproc_mdc_wr_changelog, 0 },
- { "hsm_nl", 0, mdc_wr_netlink, 0, 0, 0222 },
- { 0 }
-};
-
-static struct lprocfs_vars lprocfs_mdc_module_vars[] = {
- { "num_refs", lprocfs_rd_numrefs, 0, 0 },
- { 0 }
+LPROC_SEQ_FOPS_RO(mdc_obd_max_pages_per_rpc);
+
+LPROC_SEQ_FOPS_RW_TYPE(mdc, import);
+LPROC_SEQ_FOPS_RW_TYPE(mdc, pinger_recov);
+
+struct lprocfs_seq_vars lprocfs_mdc_obd_vars[] = {
+ { .name = "uuid",
+ .fops = &mdc_uuid_fops },
+ { .name = "ping",
+ .fops = &mdc_ping_fops,
+ .proc_mode = 0222 },
+ { .name = "connect_flags",
+ .fops = &mdc_connect_flags_fops },
+ { .name = "blocksize",
+ .fops = &mdc_blksize_fops },
+ { .name = "kbytestotal",
+ .fops = &mdc_kbytestotal_fops },
+ { .name = "kbytesfree",
+ .fops = &mdc_kbytesfree_fops },
+ { .name = "kbytesavail",
+ .fops = &mdc_kbytesavail_fops },
+ { .name = "filestotal",
+ .fops = &mdc_filestotal_fops },
+ { .name = "filesfree",
+ .fops = &mdc_filesfree_fops },
+ { .name = "mds_server_uuid",
+ .fops = &mdc_server_uuid_fops },
+ { .name = "mds_conn_uuid",
+ .fops = &mdc_conn_uuid_fops },
+ /*
+ * FIXME: below proc entry is provided, but not in used, instead
+ * sbi->sb_md_brw_size is used, the per obd variable should be used
+ * when CMD is enabled, and dir pages are managed in MDC layer.
+ * Remember to enable proc write function.
+ */
+ { .name = "max_pages_per_rpc",
+ .fops = &mdc_obd_max_pages_per_rpc_fops },
+ { .name = "max_rpcs_in_flight",
+ .fops = &mdc_max_rpcs_in_flight_fops },
+ { .name = "timeouts",
+ .fops = &mdc_timeouts_fops },
+ { .name = "import",
+ .fops = &mdc_import_fops },
+ { .name = "state",
+ .fops = &mdc_state_fops },
+ { .name = "pinger_recov",
+ .fops = &mdc_pinger_recov_fops },
+ { 0 }
};
-
-void lprocfs_mdc_init_vars(struct lprocfs_static_vars *lvars)
-{
- lvars->module_vars = lprocfs_mdc_module_vars;
- lvars->obd_vars = lprocfs_mdc_obd_vars;
-}
#endif /* LPROCFS */