/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
* vim:expandtab:shiftwidth=8:tabstop=8:
*
- * Copyright (C) 2002, 2003 Cluster File Systems, Inc.
+ * GPL HEADER START
*
- * This file is part of the Lustre file system, http://www.lustre.org
- * Lustre is a trademark of Cluster File Systems, Inc.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
- * You may have signed or agreed to another license before downloading
- * this software. If so, you are bound by the terms and conditions
- * of that agreement, and the following does not apply to you. See the
- * LICENSE file included with this distribution for more information.
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 only,
+ * as published by the Free Software Foundation.
*
- * If you did not agree to a different license, then this copy of Lustre
- * is open source software; you can redistribute it and/or modify it
- * under the terms of version 2 of the GNU General Public License as
- * published by the Free Software Foundation.
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License version 2 for more details (a copy is included
+ * in the LICENSE file that accompanied this code).
*
- * In either case, Lustre is distributed in the hope that it will be
- * useful, but WITHOUT ANY WARRANTY; without even the implied warranty
- * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * license text for more details.
+ * 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.
+ *
+ * GPL HEADER END
+ */
+/*
+ * Copyright 2008 Sun Microsystems, Inc. All rights reserved
+ * Use is subject to license terms.
+ */
+/*
+ * This file is part of Lustre, http://www.lustre.org/
+ * Lustre is a trademark of Sun Microsystems, Inc.
*/
#define DEBUG_SUBSYSTEM S_CLASS
#include <linux/version.h>
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,0))
#include <asm/statfs.h>
-#endif
+#include <obd_cksum.h>
#include <obd_class.h>
#include <lprocfs_status.h>
#include <linux/seq_file.h>
return count;
}
-
static int osc_rd_max_pages_per_rpc(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;
- struct obd_connect_data *ocd;
+ struct obd_connect_data *ocd = &cli->cl_import->imp_connect_data;
int val, rc;
rc = lprocfs_write_helper(buffer, count, &val);
return rc;
LPROCFS_CLIMP_CHECK(dev);
- ocd = &cli->cl_import->imp_connect_data;
if (val < 1 || val > ocd->ocd_brw_size >> CFS_PAGE_SHIFT) {
LPROCFS_CLIMP_EXIT(dev);
return -ERANGE;
client_obd_list_lock(&cli->cl_loi_list_lock);
cli->cl_max_pages_per_rpc = val;
client_obd_list_unlock(&cli->cl_loi_list_lock);
+
LPROCFS_CLIMP_EXIT(dev);
return count;
}
{
struct obd_device *dev = data;
struct client_obd *cli = &dev->u.cli;
- struct ptlrpc_request_pool *pool;
+ struct ptlrpc_request_pool *pool = cli->cl_import->imp_rq_pool;
int val, rc;
rc = lprocfs_write_helper(buffer, count, &val);
if (rc)
return rc;
+
if (val < 1 || val > OSC_MAX_RIF_MAX)
return -ERANGE;
LPROCFS_CLIMP_CHECK(dev);
- pool = cli->cl_import->imp_rq_pool;
if (pool && val > cli->cl_max_rpcs_in_flight)
pool->prp_populate(pool, val-cli->cl_max_rpcs_in_flight);
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);
-
+
LPROCFS_CLIMP_EXIT(dev);
return count;
}
if (rc)
return rc;
- if (pages_number < 0 || pages_number > OSC_MAX_DIRTY_MB_MAX << (20 - CFS_PAGE_SHIFT) ||
+ if (pages_number < 0 ||
+ pages_number > OSC_MAX_DIRTY_MB_MAX << (20 - CFS_PAGE_SHIFT) ||
pages_number > num_physpages / 4) /* 1/4 of RAM */
return -ERANGE;
obd->u.cli.cl_oscc.oscc_grow_count);
}
+/**
+ * Set OSC creator's osc_creator::oscc_grow_count
+ *
+ * \param file proc file
+ * \param buffer buffer containing the value
+ * \param count buffer size
+ * \param data obd device
+ *
+ * \retval \a count
+ */
static int osc_wr_create_count(struct file *file, const char *buffer,
unsigned long count, void *data)
{
struct obd_device *obd = data;
+ int val, rc, i;
+
+ if (obd == NULL)
+ return 0;
+
+ rc = lprocfs_write_helper(buffer, count, &val);
+ if (rc)
+ return rc;
+
+ /* The MDT ALWAYS needs to limit the precreate count to
+ * OST_MAX_PRECREATE, and the constant cannot be changed
+ * because it is a value shared between the OSC and OST
+ * that is the maximum possible number of objects that will
+ * ever be handled by MDT->OST recovery processing.
+ *
+ * If the OST ever gets a request to delete more orphans,
+ * this implies that something has gone badly on the MDT
+ * and the OST will refuse to delete so much data from the
+ * filesystem as a safety measure. */
+ if (val < OST_MIN_PRECREATE || val > OST_MAX_PRECREATE)
+ return -ERANGE;
+ if (val > obd->u.cli.cl_oscc.oscc_max_grow_count)
+ return -ERANGE;
+
+ for (i = 1; (i << 1) <= val; i <<= 1)
+ ;
+ obd->u.cli.cl_oscc.oscc_grow_count = i;
+
+ return count;
+}
+
+/**
+ * Read OSC creator's osc_creator::oscc_max_grow_count
+ *
+ * \param page buffer to hold the returning string
+ * \param start
+ * \param off
+ * \param count
+ * \param eof
+ * proc read function parameters, please refer to kernel
+ * code fs/proc/generic.c proc_file_read()
+ * \param data obd device
+ *
+ * \retval number of characters printed.
+ */
+static int osc_rd_max_create_count(char *page, char **start, off_t off,
+ int count, int *eof, void *data)
+{
+ struct obd_device *obd = data;
+
+ if (obd == NULL)
+ return 0;
+
+ return snprintf(page, count, "%d\n",
+ obd->u.cli.cl_oscc.oscc_max_grow_count);
+}
+
+/**
+ * Set OSC creator's osc_creator::oscc_max_grow_count
+ *
+ * \param file proc file
+ * \param buffer buffer containing the value
+ * \param count buffer size
+ * \param data obd device
+ *
+ * \retval \a count
+ */
+static int osc_wr_max_create_count(struct file *file, const char *buffer,
+ unsigned long count, void *data)
+{
+ struct obd_device *obd = data;
int val, rc;
if (obd == NULL)
if (val > OST_MAX_PRECREATE)
return -ERANGE;
- obd->u.cli.cl_oscc.oscc_grow_count = val;
+ if (obd->u.cli.cl_oscc.oscc_grow_count > val)
+ obd->u.cli.cl_oscc.oscc_grow_count = val;
+
+ obd->u.cli.cl_oscc.oscc_max_grow_count = val;
return count;
}
return count;
}
-static struct lprocfs_vars lprocfs_obd_vars[] = {
+static int osc_rd_checksum_type(char *page, char **start, off_t off, int count,
+ int *eof, void *data)
+{
+ struct obd_device *obd = data;
+ int i, len =0;
+ DECLARE_CKSUM_NAME;
+
+ if (obd == NULL)
+ return 0;
+
+ for (i = 0; i < ARRAY_SIZE(cksum_name) && len < count; i++) {
+ if (((1 << i) & obd->u.cli.cl_supp_cksum_types) == 0)
+ continue;
+ if (obd->u.cli.cl_cksum_type == (1 << i))
+ len += snprintf(page + len, count - len, "[%s] ",
+ cksum_name[i]);
+ else
+ len += snprintf(page + len, count - len, "%s ",
+ cksum_name[i]);
+ }
+ if (len < count)
+ len += sprintf(page + len, "\n");
+ return len;
+}
+
+static int osc_wd_checksum_type(struct file *file, const char *buffer,
+ unsigned long count, void *data)
+{
+ struct obd_device *obd = data;
+ int i;
+ DECLARE_CKSUM_NAME;
+ char kernbuf[10];
+
+ if (obd == NULL)
+ return 0;
+
+ if (count > sizeof(kernbuf) - 1)
+ return -EINVAL;
+ if (copy_from_user(kernbuf, buffer, count))
+ return -EFAULT;
+ if (count > 0 && kernbuf[count - 1] == '\n')
+ kernbuf[count - 1] = '\0';
+ else
+ kernbuf[count] = '\0';
+
+ for (i = 0; i < ARRAY_SIZE(cksum_name); i++) {
+ if (((1 << i) & obd->u.cli.cl_supp_cksum_types) == 0)
+ continue;
+ if (!strcmp(kernbuf, cksum_name[i])) {
+ obd->u.cli.cl_cksum_type = 1 << i;
+ return count;
+ }
+ }
+ return -EINVAL;
+}
+
+static int osc_rd_resend_count(char *page, char **start, off_t off, int count,
+ int *eof, void *data)
+{
+ struct obd_device *obd = data;
+
+ return snprintf(page, count, "%u\n", atomic_read(&obd->u.cli.cl_resends));
+}
+
+static int osc_wr_resend_count(struct file *file, const char *buffer,
+ unsigned long count, void *data)
+{
+ struct obd_device *obd = data;
+ int val, rc;
+
+ rc = lprocfs_write_helper(buffer, count, &val);
+ if (rc)
+ return rc;
+
+ if (val < 0)
+ return -EINVAL;
+
+ atomic_set(&obd->u.cli.cl_resends, val);
+
+ return count;
+}
+
+static struct lprocfs_vars lprocfs_osc_obd_vars[] = {
{ "uuid", lprocfs_rd_uuid, 0, 0 },
{ "ping", 0, lprocfs_wr_ping, 0 },
{ "connect_flags", lprocfs_rd_connect_flags, 0, 0 },
{ "cur_dirty_bytes", osc_rd_cur_dirty_bytes, 0, 0 },
{ "cur_grant_bytes", osc_rd_cur_grant_bytes, 0, 0 },
{ "create_count", osc_rd_create_count, osc_wr_create_count, 0 },
+ { "max_create_count", osc_rd_max_create_count,
+ osc_wr_max_create_count, 0},
{ "prealloc_next_id", osc_rd_prealloc_next_id, 0, 0 },
{ "prealloc_last_id", osc_rd_prealloc_last_id, 0, 0 },
{ "checksums", osc_rd_checksum, osc_wr_checksum, 0 },
+ { "checksum_type", osc_rd_checksum_type, osc_wd_checksum_type, 0 },
+ { "resend_count", osc_rd_resend_count, osc_wr_resend_count, 0},
+ { "timeouts", lprocfs_rd_timeouts, 0, 0 },
{ 0 }
};
-static struct lprocfs_vars lprocfs_module_vars[] = {
+static struct lprocfs_vars lprocfs_osc_module_vars[] = {
{ "num_refs", lprocfs_rd_numrefs, 0, 0 },
{ 0 }
};
&osc_rpc_stats_fops, dev);
}
-LPROCFS_INIT_VARS(osc, lprocfs_module_vars, lprocfs_obd_vars)
+void lprocfs_osc_init_vars(struct lprocfs_static_vars *lvars)
+{
+ lvars->module_vars = lprocfs_osc_module_vars;
+ lvars->obd_vars = lprocfs_osc_obd_vars;
+}
#endif /* LPROCFS */
git://git.whamcloud.com / fs / lustre-release.git / blobdiff