*
* 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, 2013, Intel Corporation.
+ * Copyright (c) 2012, 2016, Intel Corporation.
*/
/*
* This file is part of Lustre, http://www.lustre.org/
*
* lustre/osp/lproc_osp.c
*
- * Lustre OST Proxy Device, procfs functions
+ * Lustre OST Proxy Device (OSP), procfs functions
*
* Author: Alex Zhuravlev <alexey.zhuravlev@intel.com>
*/
#include "osp_internal.h"
-#ifdef LPROCFS
-static int osp_rd_active(char *page, char **start, off_t off,
- int count, int *eof, void *data)
+#ifdef CONFIG_PROC_FS
+/**
+ * Show OSP active status
+ *
+ * \param[in] m seq_file handle
+ * \param[in] data unused for single entry
+ * \retval 0 on success
+ * \retval negative number on error
+ */
+static int osp_active_seq_show(struct seq_file *m, void *data)
{
- struct obd_device *dev = data;
- int rc;
+ struct obd_device *dev = m->private;
LPROCFS_CLIMP_CHECK(dev);
- rc = snprintf(page, count, "%d\n",
- !dev->u.cli.cl_import->imp_deactive);
+ seq_printf(m, "%d\n", !dev->u.cli.cl_import->imp_deactive);
LPROCFS_CLIMP_EXIT(dev);
- return rc;
+ return 0;
}
-static int osp_wr_active(struct file *file, const char *buffer,
- unsigned long count, void *data)
+/**
+ * Activate/Deactivate OSP
+ *
+ * \param[in] file proc file
+ * \param[in] buffer string, which is "1" or "0" to activate/deactivate OSP
+ * \param[in] count \a buffer length
+ * \param[in] off unused for single entry
+ * \retval \a count on success
+ * \retval negative number on error
+ */
+static ssize_t
+osp_active_seq_write(struct file *file, const char __user *buffer,
+ size_t count, loff_t *off)
{
- struct obd_device *dev = data;
- int val, rc;
+ struct seq_file *m = file->private_data;
+ struct obd_device *dev = m->private;
+ int rc;
+ __s64 val;
- rc = lprocfs_write_helper(buffer, count, &val);
+ rc = lprocfs_str_to_s64(buffer, count, &val);
if (rc)
return rc;
if (val < 0 || val > 1)
if (dev->u.cli.cl_import->imp_deactive == val)
rc = ptlrpc_set_import_active(dev->u.cli.cl_import, val);
else
- CDEBUG(D_CONFIG, "activate %d: ignoring repeat request\n",
+ CDEBUG(D_CONFIG, "activate %lld: ignoring repeat request\n",
val);
LPROCFS_CLIMP_EXIT(dev);
return count;
}
+LPROC_SEQ_FOPS(osp_active);
-static int osp_rd_syn_in_flight(char *page, char **start, off_t off,
- int count, int *eof, void *data)
+/**
+ * Show number of RPCs in flight
+ *
+ * \param[in] m seq_file handle
+ * \param[in] data unused for single entry
+ * \retval 0 on success
+ * \retval negative number on error
+ */
+static int osp_sync_rpcs_in_flight_seq_show(struct seq_file *m, void *data)
{
- struct obd_device *dev = data;
+ struct obd_device *dev = m->private;
struct osp_device *osp = lu2osp_dev(dev->obd_lu_dev);
- int rc;
if (osp == NULL)
return -EINVAL;
- rc = snprintf(page, count, "%u\n", osp->opd_syn_rpc_in_flight);
- return rc;
+ seq_printf(m, "%u\n", atomic_read(&osp->opd_sync_rpcs_in_flight));
+ return 0;
}
+LPROC_SEQ_FOPS_RO(osp_sync_rpcs_in_flight);
-static int osp_rd_syn_in_prog(char *page, char **start, off_t off, int count,
- int *eof, void *data)
+/**
+ * Show number of RPCs in processing (including uncommitted by OST)
+ *
+ * \param[in] m seq_file handle
+ * \param[in] data unused for single entry
+ * \retval 0 on success
+ * \retval negative number on error
+ */
+static int osp_sync_rpcs_in_progress_seq_show(struct seq_file *m, void *data)
{
- struct obd_device *dev = data;
+ struct obd_device *dev = m->private;
struct osp_device *osp = lu2osp_dev(dev->obd_lu_dev);
- int rc;
if (osp == NULL)
return -EINVAL;
- rc = snprintf(page, count, "%u\n", osp->opd_syn_rpc_in_progress);
- return rc;
+ seq_printf(m, "%u\n", atomic_read(&osp->opd_sync_rpcs_in_progress));
+ return 0;
}
+LPROC_SEQ_FOPS_RO(osp_sync_rpcs_in_progress);
-static int osp_rd_syn_changes(char *page, char **start, off_t off,
- int count, int *eof, void *data)
+/**
+ * Show number of changes to sync
+ *
+ * \param[in] m seq_file handle
+ * \param[in] data unused for single entry
+ * \retval 0 on success
+ * \retval negative number on error
+ */
+static int osp_sync_changes_seq_show(struct seq_file *m, void *data)
{
- struct obd_device *dev = data;
+ struct obd_device *dev = m->private;
struct osp_device *osp = lu2osp_dev(dev->obd_lu_dev);
- int rc;
if (osp == NULL)
return -EINVAL;
- rc = snprintf(page, count, "%lu\n", osp->opd_syn_changes);
- return rc;
+ seq_printf(m, "%u\n", atomic_read(&osp->opd_sync_changes));
+ return 0;
}
-static int osp_rd_max_rpcs_in_flight(char *page, char **start, off_t off,
- int count, int *eof, void *data)
+/**
+ * Sync changes
+ *
+ * \param[in] file proc file
+ * \param[in] buffer unused because any input will do
+ * \param[in] count \a buffer length
+ * \param[in] off unused for single entry
+ * \retval \a count on success
+ * \retval negative number on error
+ */
+static ssize_t osp_sync_changes_seq_write(struct file *file,
+ const char __user *buffer,
+ size_t count, loff_t *off)
{
- struct obd_device *dev = data;
- struct osp_device *osp = lu2osp_dev(dev->obd_lu_dev);
+ struct seq_file *m = file->private_data;
+ struct obd_device *dev = m->private;
+ struct osp_device *osp = lu2osp_dev(dev->obd_lu_dev);
+ struct lu_env env;
int rc;
+ rc = lu_env_init(&env, LCT_LOCAL);
+ if (rc != 0)
+ return rc;
+
+ rc = dt_sync(&env, &osp->opd_dt_dev);
+ lu_env_fini(&env);
+
+ return rc == 0 ? count : rc;
+}
+LPROC_SEQ_FOPS(osp_sync_changes);
+
+/**
+ * Show maximum number of RPCs in flight allowed
+ *
+ * \param[in] m seq_file handle
+ * \param[in] data unused for single entry
+ * \retval 0 on success
+ * \retval negative number on error
+ */
+static int osp_max_rpcs_in_flight_seq_show(struct seq_file *m, void *data)
+{
+ struct obd_device *dev = m->private;
+ struct osp_device *osp = lu2osp_dev(dev->obd_lu_dev);
+
if (osp == NULL)
return -EINVAL;
- rc = snprintf(page, count, "%u\n", osp->opd_syn_max_rpc_in_flight);
- return rc;
+ seq_printf(m, "%u\n", osp->opd_sync_max_rpcs_in_flight);
+ return 0;
}
-static int osp_wr_max_rpcs_in_flight(struct file *file, const char *buffer,
- unsigned long count, void *data)
+/**
+ * Change maximum number of RPCs in flight allowed
+ *
+ * \param[in] file proc file
+ * \param[in] buffer string which represents maximum number
+ * \param[in] count \a buffer length
+ * \param[in] off unused for single entry
+ * \retval \a count on success
+ * \retval negative number on error
+ */
+static ssize_t
+osp_max_rpcs_in_flight_seq_write(struct file *file, const char __user *buffer,
+ size_t count, loff_t *off)
{
- struct obd_device *dev = data;
- struct osp_device *osp = lu2osp_dev(dev->obd_lu_dev);
- int val, rc;
+ struct seq_file *m = file->private_data;
+ struct obd_device *dev = m->private;
+ struct osp_device *osp = lu2osp_dev(dev->obd_lu_dev);
+ int rc;
+ __s64 val;
if (osp == NULL)
return -EINVAL;
- rc = lprocfs_write_helper(buffer, count, &val);
+ rc = lprocfs_str_to_s64(buffer, count, &val);
if (rc)
return rc;
- if (val < 1)
+ if (val < 1 || val > INT_MAX)
return -ERANGE;
- osp->opd_syn_max_rpc_in_flight = val;
+ osp->opd_sync_max_rpcs_in_flight = val;
return count;
}
+LPROC_SEQ_FOPS(osp_max_rpcs_in_flight);
-static int osp_rd_max_rpcs_in_prog(char *page, char **start, off_t off,
- int count, int *eof, void *data)
+/**
+ * Show maximum number of RPCs in processing allowed
+ *
+ * \param[in] m seq_file handle
+ * \param[in] data unused
+ * \retval 0 on success
+ * \retval negative number on error
+ */
+static int osp_max_rpcs_in_progress_seq_show(struct seq_file *m, void *data)
{
- struct obd_device *dev = data;
+ struct obd_device *dev = m->private;
struct osp_device *osp = lu2osp_dev(dev->obd_lu_dev);
- int rc;
if (osp == NULL)
return -EINVAL;
- rc = snprintf(page, count, "%u\n", osp->opd_syn_max_rpc_in_progress);
- return rc;
+ seq_printf(m, "%u\n", osp->opd_sync_max_rpcs_in_progress);
+ return 0;
}
-static int osp_wr_max_rpcs_in_prog(struct file *file, const char *buffer,
- unsigned long count, void *data)
+/**
+ * Change maximum number of RPCs in processing allowed
+ *
+ * \param[in] file proc file
+ * \param[in] buffer string which represents maximum number
+ * \param[in] count \a buffer length
+ * \param[in] off unused for single entry
+ * \retval \a count on success
+ * \retval negative number on error
+ */
+static ssize_t
+osp_max_rpcs_in_progress_seq_write(struct file *file, const char __user *buffer,
+ size_t count, loff_t *off)
{
- struct obd_device *dev = data;
- struct osp_device *osp = lu2osp_dev(dev->obd_lu_dev);
- int val, rc;
+ struct seq_file *m = file->private_data;
+ struct obd_device *dev = m->private;
+ struct osp_device *osp = lu2osp_dev(dev->obd_lu_dev);
+ int rc;
+ __s64 val;
if (osp == NULL)
return -EINVAL;
- rc = lprocfs_write_helper(buffer, count, &val);
+ rc = lprocfs_str_to_s64(buffer, count, &val);
if (rc)
return rc;
- if (val < 1)
+ if (val < 1 || val > INT_MAX)
return -ERANGE;
- osp->opd_syn_max_rpc_in_progress = val;
+ osp->opd_sync_max_rpcs_in_progress = val;
return count;
}
+LPROC_SEQ_FOPS(osp_max_rpcs_in_progress);
-static int osp_rd_create_count(char *page, char **start, off_t off, int count,
- int *eof, void *data)
+/**
+ * Show number of objects to precreate next time
+ *
+ * \param[in] m seq_file handle
+ * \param[in] data unused for single entry
+ * \retval 0 on success
+ * \retval negative number on error
+ */
+static int osp_create_count_seq_show(struct seq_file *m, void *data)
{
- struct obd_device *obd = data;
+ struct obd_device *obd = m->private;
struct osp_device *osp = lu2osp_dev(obd->obd_lu_dev);
- if (osp == NULL)
+ if (osp == NULL || osp->opd_pre == NULL)
return 0;
- return snprintf(page, count, "%d\n", osp->opd_pre_grow_count);
+ seq_printf(m, "%d\n", osp->opd_pre_create_count);
+ return 0;
}
-static int osp_wr_create_count(struct file *file, const char *buffer,
- unsigned long count, void *data)
+/**
+ * Change number of objects to precreate next time
+ *
+ * \param[in] file proc file
+ * \param[in] buffer string which represents number of objects to precreate
+ * \param[in] count \a buffer length
+ * \param[in] off unused for single entry
+ * \retval \a count on success
+ * \retval negative number on error
+ */
+static ssize_t
+osp_create_count_seq_write(struct file *file, const char __user *buffer,
+ size_t count, loff_t *off)
{
- struct obd_device *obd = data;
- struct osp_device *osp = lu2osp_dev(obd->obd_lu_dev);
- int val, rc, i;
+ struct seq_file *m = file->private_data;
+ struct obd_device *obd = m->private;
+ struct osp_device *osp = lu2osp_dev(obd->obd_lu_dev);
+ int rc, i;
+ __s64 val;
- if (osp == NULL)
+ if (osp == NULL || osp->opd_pre == NULL)
return 0;
- rc = lprocfs_write_helper(buffer, count, &val);
+ rc = lprocfs_str_to_s64(buffer, count, &val);
if (rc)
return rc;
* filesystem as a safety measure. */
if (val < OST_MIN_PRECREATE || val > OST_MAX_PRECREATE)
return -ERANGE;
- if (val > osp->opd_pre_max_grow_count)
+ if (val > osp->opd_pre_max_create_count)
return -ERANGE;
for (i = 1; (i << 1) <= val; i <<= 1)
;
- osp->opd_pre_grow_count = i;
+ osp->opd_pre_create_count = i;
return count;
}
+LPROC_SEQ_FOPS(osp_create_count);
-static int osp_rd_max_create_count(char *page, char **start, off_t off,
- int count, int *eof, void *data)
+/**
+ * Show maximum number of objects to precreate
+ *
+ * \param[in] m seq_file handle
+ * \param[in] data unused for single entry
+ * \retval 0 on success
+ * \retval negative number on error
+ */
+static int osp_max_create_count_seq_show(struct seq_file *m, void *data)
{
- struct obd_device *obd = data;
+ struct obd_device *obd = m->private;
struct osp_device *osp = lu2osp_dev(obd->obd_lu_dev);
- if (osp == NULL)
+ if (osp == NULL || osp->opd_pre == NULL)
return 0;
- return snprintf(page, count, "%d\n", osp->opd_pre_max_grow_count);
+ seq_printf(m, "%d\n", osp->opd_pre_max_create_count);
+ return 0;
}
-static int osp_wr_max_create_count(struct file *file, const char *buffer,
- unsigned long count, void *data)
+/**
+ * Change maximum number of objects to precreate
+ *
+ * \param[in] file proc file
+ * \param[in] buffer string which represents maximum number
+ * \param[in] count \a buffer length
+ * \param[in] off unused for single entry
+ * \retval \a count on success
+ * \retval negative number on error
+ */
+static ssize_t
+osp_max_create_count_seq_write(struct file *file, const char __user *buffer,
+ size_t count, loff_t *off)
{
- struct obd_device *obd = data;
- struct osp_device *osp = lu2osp_dev(obd->obd_lu_dev);
- int val, rc;
+ struct seq_file *m = file->private_data;
+ struct obd_device *obd = m->private;
+ struct osp_device *osp = lu2osp_dev(obd->obd_lu_dev);
+ int rc;
+ __s64 val;
- if (osp == NULL)
+ if (osp == NULL || osp->opd_pre == NULL)
return 0;
- rc = lprocfs_write_helper(buffer, count, &val);
+ rc = lprocfs_str_to_s64(buffer, count, &val);
if (rc)
return rc;
- if (val < 0)
+ if (val < 0 || val > INT_MAX)
return -ERANGE;
if (val > OST_MAX_PRECREATE)
return -ERANGE;
- if (osp->opd_pre_grow_count > val)
- osp->opd_pre_grow_count = val;
+ if (osp->opd_pre_create_count > val)
+ osp->opd_pre_create_count = val;
- osp->opd_pre_max_grow_count = val;
+ osp->opd_pre_max_create_count = val;
return count;
}
+LPROC_SEQ_FOPS(osp_max_create_count);
-static int osp_rd_prealloc_next_id(char *page, char **start, off_t off,
- int count, int *eof, void *data)
+/**
+ * Show last id to assign in creation
+ *
+ * \param[in] m seq_file handle
+ * \param[in] data unused for single entry
+ * \retval 0 on success
+ * \retval negative number on error
+ */
+static int osp_prealloc_next_id_seq_show(struct seq_file *m, void *data)
{
- struct obd_device *obd = data;
+ struct obd_device *obd = m->private;
struct osp_device *osp = lu2osp_dev(obd->obd_lu_dev);
+ struct lu_fid *fid;
+ __u64 id;
- if (osp == NULL)
+ if (osp == NULL || osp->opd_pre == NULL)
return 0;
- return snprintf(page, count, "%u\n",
- fid_oid(&osp->opd_pre_used_fid) + 1);
+ fid = &osp->opd_pre_used_fid;
+ if (fid_is_idif(fid)) {
+ id = fid_idif_id(fid_seq(fid), fid_oid(fid), fid_ver(fid));
+ id++;
+ } else {
+ id = unlikely(fid_oid(fid) == LUSTRE_DATA_SEQ_MAX_WIDTH) ?
+ 1 : fid_oid(fid) + 1;
+ }
+
+ seq_printf(m, "%llu\n", id);
+ return 0;
}
+LPROC_SEQ_FOPS_RO(osp_prealloc_next_id);
-static int osp_rd_prealloc_last_id(char *page, char **start, off_t off,
- int count, int *eof, void *data)
+/**
+ * Show last created id OST reported
+ *
+ * \param[in] m seq_file handle
+ * \param[in] data unused for single entry
+ * \retval 0 on success
+ * \retval negative number on error
+ */
+static int osp_prealloc_last_id_seq_show(struct seq_file *m, void *data)
{
- struct obd_device *obd = data;
+ struct obd_device *obd = m->private;
struct osp_device *osp = lu2osp_dev(obd->obd_lu_dev);
+ struct lu_fid *fid;
+ __u64 id;
- if (osp == NULL)
+ if (osp == NULL || osp->opd_pre == NULL)
return 0;
+ fid = &osp->opd_pre_last_created_fid;
+ id = fid_is_idif(fid) ?
+ fid_idif_id(fid_seq(fid), fid_oid(fid), fid_ver(fid)) :
+ fid_oid(fid);
- return snprintf(page, count, "%u\n",
- fid_oid(&osp->opd_pre_last_created_fid));
+ seq_printf(m, "%llu\n", id);
+ return 0;
}
+LPROC_SEQ_FOPS_RO(osp_prealloc_last_id);
-static int osp_rd_prealloc_next_seq(char *page, char **start, off_t off,
- int count, int *eof, void *data)
+/**
+ * Show next FID sequence to precreate
+ *
+ * \param[in] m seq_file handle
+ * \param[in] data unused for single entry
+ * \retval 0 on success
+ * \retval negative number on error
+ */
+static int osp_prealloc_next_seq_seq_show(struct seq_file *m, void *data)
{
- struct obd_device *obd = data;
+ struct obd_device *obd = m->private;
struct osp_device *osp = lu2osp_dev(obd->obd_lu_dev);
+ struct lu_fid *fid;
- if (osp == NULL)
+ if (osp == NULL || osp->opd_pre == NULL)
return 0;
- return snprintf(page, count, LPX64"\n",
- fid_seq(&osp->opd_pre_used_fid));
+ fid = &osp->opd_pre_used_fid;
+ seq_printf(m, "%#llx\n", fid_is_idif(fid) ?
+ fid_seq(fid) & (~0xffff) : fid_seq(fid));
+
+ return 0;
}
+LPROC_SEQ_FOPS_RO(osp_prealloc_next_seq);
-static int osp_rd_prealloc_last_seq(char *page, char **start, off_t off,
- int count, int *eof, void *data)
+/**
+ * Show last created FID sequence OST reported
+ *
+ * \param[in] m seq_file handle
+ * \param[in] data unused for single entry
+ * \retval 0 on success
+ * \retval negative number on error
+ */
+static int osp_prealloc_last_seq_seq_show(struct seq_file *m, void *data)
{
- struct obd_device *obd = data;
+ struct obd_device *obd = m->private;
struct osp_device *osp = lu2osp_dev(obd->obd_lu_dev);
+ struct lu_fid *fid;
- if (osp == NULL)
+ if (osp == NULL || osp->opd_pre == NULL)
return 0;
- return snprintf(page, count, LPX64"\n",
- fid_seq(&osp->opd_pre_last_created_fid));
+ fid = &osp->opd_pre_last_created_fid;
+ seq_printf(m, "%#llx\n", fid_is_idif(fid) ?
+ fid_seq(fid) & (~0xffff) : fid_seq(fid));
+
+ return 0;
}
+LPROC_SEQ_FOPS_RO(osp_prealloc_last_seq);
-static int osp_rd_prealloc_reserved(char *page, char **start, off_t off,
- int count, int *eof, void *data)
+/**
+ * Show the number of ids reserved by declare
+ *
+ * \param[in] m seq_file handle
+ * \param[in] data unused for single entry
+ * \retval 0 on success
+ * \retval negative number on error
+ */
+static int osp_prealloc_reserved_seq_show(struct seq_file *m, void *data)
{
- struct obd_device *obd = data;
+ struct obd_device *obd = m->private;
struct osp_device *osp = lu2osp_dev(obd->obd_lu_dev);
- if (osp == NULL)
+ if (osp == NULL || osp->opd_pre == NULL)
return 0;
- return snprintf(page, count, LPU64"\n", osp->opd_pre_reserved);
+ seq_printf(m, "%llu\n", osp->opd_pre_reserved);
+ return 0;
}
+LPROC_SEQ_FOPS_RO(osp_prealloc_reserved);
-static int osp_rd_maxage(char *page, char **start, off_t off,
- int count, int *eof, void *data)
+/**
+ * Show interval (in seconds) to update statfs data
+ *
+ * \param[in] m seq_file handle
+ * \param[in] data unused for single entry
+ * \retval 0 on success
+ * \retval negative number on error
+ */
+static int osp_maxage_seq_show(struct seq_file *m, void *data)
{
- struct obd_device *dev = data;
+ struct obd_device *dev = m->private;
struct osp_device *osp = lu2osp_dev(dev->obd_lu_dev);
- int rc;
if (osp == NULL)
return -EINVAL;
- rc = snprintf(page, count, "%u\n", osp->opd_statfs_maxage);
- return rc;
+ seq_printf(m, "%u\n", osp->opd_statfs_maxage);
+ return 0;
}
-static int osp_wr_maxage(struct file *file, const char *buffer,
- unsigned long count, void *data)
+/**
+ * Change interval to update statfs data
+ *
+ * \param[in] file proc file
+ * \param[in] buffer string which represents statfs interval (in seconds)
+ * \param[in] count \a buffer length
+ * \param[in] off unused for single entry
+ * \retval \a count on success
+ * \retval negative number on error
+ */
+static ssize_t
+osp_maxage_seq_write(struct file *file, const char __user *buffer,
+ size_t count, loff_t *off)
{
- struct obd_device *dev = data;
- struct osp_device *osp = lu2osp_dev(dev->obd_lu_dev);
- int val, rc;
+ struct seq_file *m = file->private_data;
+ struct obd_device *dev = m->private;
+ struct osp_device *osp = lu2osp_dev(dev->obd_lu_dev);
+ int rc;
+ __s64 val;
if (osp == NULL)
return -EINVAL;
- rc = lprocfs_write_helper(buffer, count, &val);
+ rc = lprocfs_str_to_s64(buffer, count, &val);
if (rc)
return rc;
- if (val < 1)
+ if (val < 1 || val > INT_MAX)
return -ERANGE;
osp->opd_statfs_maxage = val;
return count;
}
+LPROC_SEQ_FOPS(osp_maxage);
-static int osp_rd_pre_status(char *page, char **start, off_t off,
- int count, int *eof, void *data)
+/**
+ * Show current precreation status: output 0 means success, otherwise negative
+ * number is printed
+ *
+ * \param[in] m seq_file handle
+ * \param[in] data unused for single entry
+ * \retval 0 on success
+ * \retval negative number on error
+ */
+static int osp_pre_status_seq_show(struct seq_file *m, void *data)
{
- struct obd_device *dev = data;
+ struct obd_device *dev = m->private;
struct osp_device *osp = lu2osp_dev(dev->obd_lu_dev);
- int rc;
- if (osp == NULL)
+ if (osp == NULL || osp->opd_pre == NULL)
return -EINVAL;
- rc = snprintf(page, count, "%d\n", osp->opd_pre_status);
- return rc;
+ seq_printf(m, "%d\n", osp->opd_pre_status);
+ return 0;
}
+LPROC_SEQ_FOPS_RO(osp_pre_status);
-static int osp_rd_destroys_in_flight(char *page, char **start, off_t off,
- int count, int *eof, void *data)
+/**
+ * Show the number of RPCs in processing (including uncommitted by OST) plus
+ * changes to sync, i.e. this is the total number of changes OST needs to apply
+ * and commit.
+ *
+ * This counter is used to determine if OST has space returned. A zero value
+ * indicates that OST storage space consumed by destroyed objects has been freed
+ * on disk, the associated llog records have been cleared, and no synchronous
+ * RPC are being processed.
+ *
+ * \param[in] m seq_file handle
+ * \param[in] data unused for single entry
+ * \retval 0 on success
+ * \retval negative number on error
+ */
+static int osp_destroys_in_flight_seq_show(struct seq_file *m, void *data)
{
- struct obd_device *dev = data;
+ struct obd_device *dev = m->private;
struct osp_device *osp = lu2osp_dev(dev->obd_lu_dev);
if (osp == NULL)
return -EINVAL;
- /*
- * This counter used to determine if OST has space returned.
- * Now we need to wait for the following:
- * - sync changes are zero - no llog records
- * - sync in progress are zero - no RPCs in flight
- */
- return snprintf(page, count, "%lu\n",
- osp->opd_syn_rpc_in_progress + osp->opd_syn_changes);
+ seq_printf(m, "%u\n",
+ atomic_read(&osp->opd_sync_rpcs_in_progress) +
+ atomic_read(&osp->opd_sync_changes));
+ return 0;
}
+LPROC_SEQ_FOPS_RO(osp_destroys_in_flight);
-static int osp_rd_old_sync_processed(char *page, char **start, off_t off,
- int count, int *eof, void *data)
+/**
+ * Show changes synced from previous mount
+ *
+ * \param[in] m seq_file handle
+ * \param[in] data unused for single entry
+ * \retval 0 on success
+ * \retval negative number on error
+ */
+static int osp_old_sync_processed_seq_show(struct seq_file *m, void *data)
{
- struct obd_device *dev = data;
+ struct obd_device *dev = m->private;
struct osp_device *osp = lu2osp_dev(dev->obd_lu_dev);
- int rc;
if (osp == NULL)
return -EINVAL;
- rc = snprintf(page, count, "%d\n", osp->opd_syn_prev_done);
- return rc;
+ seq_printf(m, "%d\n", osp->opd_sync_prev_done);
+ return 0;
}
+LPROC_SEQ_FOPS_RO(osp_old_sync_processed);
+
+/**
+ * Show maximum number of RPCs in flight
+ *
+ * \param[in] m seq_file handle
+ * \param[in] data unused for single entry
+ * \retval 0 on success
+ * \retval negative number on error
+ */
+static int
+osp_lfsck_max_rpcs_in_flight_seq_show(struct seq_file *m, void *data)
+{
+ struct obd_device *dev = m->private;
+ __u32 max;
+
+ max = obd_get_max_rpcs_in_flight(&dev->u.cli);
+ seq_printf(m, "%u\n", max);
+ return 0;
+}
+
+/**
+ * Change maximum number of RPCs in flight
+ *
+ * \param[in] file proc file
+ * \param[in] buffer string which represents maximum number of RPCs in flight
+ * \param[in] count \a buffer length
+ * \param[in] off unused for single entry
+ * \retval \a count on success
+ * \retval negative number on error
+ */
+static ssize_t
+osp_lfsck_max_rpcs_in_flight_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 *dev = m->private;
+ __s64 val;
+ int rc;
+
+ rc = lprocfs_str_to_s64(buffer, count, &val);
+ if (rc == 0) {
+ if (val < 0)
+ return -ERANGE;
+
+ rc = obd_set_max_rpcs_in_flight(&dev->u.cli, val);
+ } else {
+ count = rc;
+ }
+
+ return count;
+}
+LPROC_SEQ_FOPS(osp_lfsck_max_rpcs_in_flight);
+
+LPROC_SEQ_FOPS_WR_ONLY(osp, ping);
+LPROC_SEQ_FOPS_RO_TYPE(osp, connect_flags);
+LPROC_SEQ_FOPS_RO_TYPE(osp, server_uuid);
+LPROC_SEQ_FOPS_RO_TYPE(osp, conn_uuid);
+
+LPROC_SEQ_FOPS_RO_TYPE(osp, timeouts);
+
+LPROC_SEQ_FOPS_RW_TYPE(osp, import);
+LPROC_SEQ_FOPS_RO_TYPE(osp, state);
+
+/**
+ * Show high watermark (in megabytes). If available free space at OST is grater
+ * than high watermark and object allocation for OST is disabled, enable it.
+ *
+ * \param[in] m seq_file handle
+ * \param[in] data unused for single entry
+ * \retval 0 on success
+ * \retval negative number on error
+ */
+static int osp_reserved_mb_high_seq_show(struct seq_file *m, void *data)
+{
+ struct obd_device *dev = m->private;
+ struct osp_device *osp = lu2osp_dev(dev->obd_lu_dev);
+
+ if (osp == NULL)
+ return -EINVAL;
+
+ seq_printf(m, "%u\n", osp->opd_reserved_mb_high);
+ return 0;
+}
+
+/**
+ * Change high watermark
+ *
+ * \param[in] file proc file
+ * \param[in] buffer string which represents new value (in megabytes)
+ * \param[in] count \a buffer length
+ * \param[in] off unused for single entry
+ * \retval \a count on success
+ * \retval negative number on error
+ */
+static ssize_t
+osp_reserved_mb_high_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 *dev = m->private;
+ struct osp_device *osp = lu2osp_dev(dev->obd_lu_dev);
+ __s64 val;
+ int rc;
+
+ if (osp == NULL)
+ return -EINVAL;
+
+ rc = lprocfs_str_with_units_to_s64(buffer, count, &val, 'M');
+ if (rc)
+ return rc;
+ val >>= 20;
+ if (val < 1)
+ return -ERANGE;
+
+ spin_lock(&osp->opd_pre_lock);
+ osp->opd_reserved_mb_high = val;
+ if (val <= osp->opd_reserved_mb_low)
+ osp->opd_reserved_mb_low = val - 1;
+ spin_unlock(&osp->opd_pre_lock);
+
+ return count;
+}
+LPROC_SEQ_FOPS(osp_reserved_mb_high);
+
+/**
+ * Show low watermark (in megabytes). If available free space at OST is less
+ * than low watermark, object allocation for OST is disabled.
+ *
+ * \param[in] m seq_file handle
+ * \param[in] data unused for single entry
+ * \retval 0 on success
+ * \retval negative number on error
+ */
+static int osp_reserved_mb_low_seq_show(struct seq_file *m, void *data)
+{
+ struct obd_device *dev = m->private;
+ struct osp_device *osp = lu2osp_dev(dev->obd_lu_dev);
+
+ if (osp == NULL)
+ return -EINVAL;
+
+ seq_printf(m, "%u\n", osp->opd_reserved_mb_low);
+ return 0;
+}
+
+/**
+ * Change low watermark
+ *
+ * \param[in] file proc file
+ * \param[in] buffer string which represents new value (in megabytes)
+ * \param[in] count \a buffer length
+ * \param[in] off unused for single entry
+ * \retval \a count on success
+ * \retval negative number on error
+ */
+static ssize_t
+osp_reserved_mb_low_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 *dev = m->private;
+ struct osp_device *osp = lu2osp_dev(dev->obd_lu_dev);
+ __s64 val;
+ int rc;
+
+ if (osp == NULL)
+ return -EINVAL;
+
+ rc = lprocfs_str_with_units_to_s64(buffer, count, &val, 'M');
+ if (rc)
+ return rc;
+ val >>= 20;
+
+ spin_lock(&osp->opd_pre_lock);
+ osp->opd_reserved_mb_low = val;
+ if (val >= osp->opd_reserved_mb_high)
+ osp->opd_reserved_mb_high = val + 1;
+ spin_unlock(&osp->opd_pre_lock);
+
+ return count;
+}
+LPROC_SEQ_FOPS(osp_reserved_mb_low);
+
+static ssize_t
+lprocfs_force_sync_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 *dev = m->private;
+ struct dt_device *dt = lu2dt_dev(dev->obd_lu_dev);
+ struct lu_env env;
+ int rc;
+
+ rc = lu_env_init(&env, LCT_LOCAL);
+ if (rc)
+ return rc;
+ rc = dt_sync(&env, dt);
+ lu_env_fini(&env);
+
+ return rc == 0 ? count : rc;
+}
+LPROC_SEQ_FOPS_WR_ONLY(osp, force_sync);
static struct lprocfs_vars lprocfs_osp_obd_vars[] = {
- { "uuid", lprocfs_rd_uuid, 0, 0 },
- { "ping", 0, lprocfs_wr_ping, 0, 0, 0222 },
- { "connect_flags", lprocfs_rd_connect_flags, 0, 0 },
- { "ost_server_uuid", lprocfs_rd_server_uuid, 0, 0 },
- { "ost_conn_uuid", lprocfs_rd_conn_uuid, 0, 0 },
- { "active", osp_rd_active, osp_wr_active, 0 },
- { "max_rpcs_in_flight", osp_rd_max_rpcs_in_flight,
- osp_wr_max_rpcs_in_flight, 0 },
- { "max_rpcs_in_progress", osp_rd_max_rpcs_in_prog,
- osp_wr_max_rpcs_in_prog, 0 },
- { "create_count", osp_rd_create_count,
- osp_wr_create_count, 0 },
- { "max_create_count", osp_rd_max_create_count,
- osp_wr_max_create_count, 0 },
- { "prealloc_next_id", osp_rd_prealloc_next_id, 0, 0 },
- { "prealloc_next_seq", osp_rd_prealloc_next_seq, 0, 0 },
- { "prealloc_last_id", osp_rd_prealloc_last_id, 0, 0 },
- { "prealloc_last_seq", osp_rd_prealloc_last_seq, 0, 0 },
- { "prealloc_reserved", osp_rd_prealloc_reserved, 0, 0 },
- { "timeouts", lprocfs_rd_timeouts, 0, 0 },
- { "import", lprocfs_rd_import, lprocfs_wr_import, 0 },
- { "state", lprocfs_rd_state, 0, 0 },
- { "maxage", osp_rd_maxage, osp_wr_maxage, 0 },
- { "prealloc_status", osp_rd_pre_status, 0, 0 },
- { "sync_changes", osp_rd_syn_changes, 0, 0 },
- { "sync_in_flight", osp_rd_syn_in_flight, 0, 0 },
- { "sync_in_progress", osp_rd_syn_in_prog, 0, 0 },
- { "old_sync_processed", osp_rd_old_sync_processed, 0, 0 },
+ { .name = "ping",
+ .fops = &osp_ping_fops,
+ .proc_mode = 0222 },
+ { .name = "connect_flags",
+ .fops = &osp_connect_flags_fops },
+ { .name = "ost_server_uuid",
+ .fops = &osp_server_uuid_fops },
+ { .name = "ost_conn_uuid",
+ .fops = &osp_conn_uuid_fops },
+ { .name = "active",
+ .fops = &osp_active_fops },
+ { .name = "max_rpcs_in_flight",
+ .fops = &osp_max_rpcs_in_flight_fops },
+ { .name = "max_rpcs_in_progress",
+ .fops = &osp_max_rpcs_in_progress_fops },
+ { .name = "create_count",
+ .fops = &osp_create_count_fops },
+ { .name = "max_create_count",
+ .fops = &osp_max_create_count_fops },
+ { .name = "prealloc_next_id",
+ .fops = &osp_prealloc_next_id_fops },
+ { .name = "prealloc_next_seq",
+ .fops = &osp_prealloc_next_seq_fops },
+ { .name = "prealloc_last_id",
+ .fops = &osp_prealloc_last_id_fops },
+ { .name = "prealloc_last_seq",
+ .fops = &osp_prealloc_last_seq_fops },
+ { .name = "prealloc_reserved",
+ .fops = &osp_prealloc_reserved_fops },
+ { .name = "timeouts",
+ .fops = &osp_timeouts_fops },
+ { .name = "import",
+ .fops = &osp_import_fops },
+ { .name = "state",
+ .fops = &osp_state_fops },
+ { .name = "maxage",
+ .fops = &osp_maxage_fops },
+ { .name = "prealloc_status",
+ .fops = &osp_pre_status_fops },
+ { .name = "sync_changes",
+ .fops = &osp_sync_changes_fops },
+ { .name = "sync_in_flight",
+ .fops = &osp_sync_rpcs_in_flight_fops },
+ { .name = "sync_in_progress",
+ .fops = &osp_sync_rpcs_in_progress_fops },
+ { .name = "old_sync_processed",
+ .fops = &osp_old_sync_processed_fops },
+ { .name = "reserved_mb_high",
+ .fops = &osp_reserved_mb_high_fops },
+ { .name = "reserved_mb_low",
+ .fops = &osp_reserved_mb_low_fops },
+ { .name = "force_sync",
+ .fops = &osp_force_sync_fops },
/* for compatibility reasons */
- { "destroys_in_flight", osp_rd_destroys_in_flight, 0, 0 },
- { 0 }
+ { .name = "destroys_in_flight",
+ .fops = &osp_destroys_in_flight_fops },
+ { .name = "lfsck_max_rpcs_in_flight",
+ .fops = &osp_lfsck_max_rpcs_in_flight_fops },
+ { NULL }
};
-static struct lprocfs_vars lprocfs_osp_osd_vars[] = {
- { "blocksize", lprocfs_dt_rd_blksize, 0, 0 },
- { "kbytestotal", lprocfs_dt_rd_kbytestotal, 0, 0 },
- { "kbytesfree", lprocfs_dt_rd_kbytesfree, 0, 0 },
- { "kbytesavail", lprocfs_dt_rd_kbytesavail, 0, 0 },
- { "filestotal", lprocfs_dt_rd_filestotal, 0, 0 },
- { "filesfree", lprocfs_dt_rd_filesfree, 0, 0 },
- { 0 }
-};
+static struct lprocfs_vars lprocfs_osp_md_vars[] = {
+ { .name = "ping",
+ .fops = &osp_ping_fops,
+ .proc_mode = 0222 },
+ { .name = "connect_flags",
+ .fops = &osp_connect_flags_fops },
+ { .name = "mdt_server_uuid",
+ .fops = &osp_server_uuid_fops },
+ { .name = "mdt_conn_uuid",
+ .fops = &osp_conn_uuid_fops },
+ { .name = "active",
+ .fops = &osp_active_fops },
+ { .name = "max_rpcs_in_flight",
+ .fops = &osp_max_rpcs_in_flight_fops },
+ { .name = "max_rpcs_in_progress",
+ .fops = &osp_max_rpcs_in_progress_fops },
+ { .name = "timeouts",
+ .fops = &osp_timeouts_fops },
+ { .name = "import",
+ .fops = &osp_import_fops },
+ { .name = "state",
+ .fops = &osp_state_fops },
+ { .name = "maxage",
+ .fops = &osp_maxage_fops },
+ { .name = "prealloc_status",
+ .fops = &osp_pre_status_fops },
-static struct lprocfs_vars lprocfs_osp_module_vars[] = {
- { "num_refs", lprocfs_rd_numrefs, 0, 0 },
- { 0 }
+ /* for compatibility reasons */
+ { .name = "destroys_in_flight",
+ .fops = &osp_destroys_in_flight_fops },
+ { .name = "lfsck_max_rpcs_in_flight",
+ .fops = &osp_lfsck_max_rpcs_in_flight_fops },
+ { NULL }
};
-void lprocfs_osp_init_vars(struct lprocfs_static_vars *lvars)
-{
- lvars->module_vars = lprocfs_osp_module_vars;
- lvars->obd_vars = lprocfs_osp_obd_vars;
-}
+LPROC_SEQ_FOPS_RO_TYPE(osp, dt_blksize);
+LPROC_SEQ_FOPS_RO_TYPE(osp, dt_kbytestotal);
+LPROC_SEQ_FOPS_RO_TYPE(osp, dt_kbytesfree);
+LPROC_SEQ_FOPS_RO_TYPE(osp, dt_kbytesavail);
+LPROC_SEQ_FOPS_RO_TYPE(osp, dt_filestotal);
+LPROC_SEQ_FOPS_RO_TYPE(osp, dt_filesfree);
+
+static struct lprocfs_vars lprocfs_osp_osd_vars[] = {
+ { .name = "blocksize",
+ .fops = &osp_dt_blksize_fops },
+ { .name = "kbytestotal",
+ .fops = &osp_dt_kbytestotal_fops },
+ { .name = "kbytesfree",
+ .fops = &osp_dt_kbytesfree_fops },
+ { .name = "kbytesavail",
+ .fops = &osp_dt_kbytesavail_fops },
+ { .name = "filestotal",
+ .fops = &osp_dt_filestotal_fops },
+ { .name = "filesfree",
+ .fops = &osp_dt_filesfree_fops },
+ { NULL }
+};
+/**
+ * Initialize OSP lprocfs
+ *
+ * param[in] osp OSP device
+ */
void osp_lprocfs_init(struct osp_device *osp)
{
struct obd_device *obd = osp->opd_obd;
- struct proc_dir_entry *osc_proc_dir;
+ struct proc_dir_entry *osc_proc_dir = NULL;
+ struct obd_type *type;
int rc;
- obd->obd_proc_entry = lprocfs_register(obd->obd_name,
- obd->obd_type->typ_procroot,
- lprocfs_osp_osd_vars,
- &osp->opd_dt_dev);
- if (IS_ERR(obd->obd_proc_entry)) {
- CERROR("%s: can't register in lprocfs: %ld\n",
- obd->obd_name, PTR_ERR(obd->obd_proc_entry));
- obd->obd_proc_entry = NULL;
+ if (osp->opd_connect_mdt)
+ obd->obd_vars = lprocfs_osp_md_vars;
+ else
+ obd->obd_vars = lprocfs_osp_obd_vars;
+ if (lprocfs_obd_setup(obd, true) != 0)
return;
- }
- rc = lprocfs_add_vars(obd->obd_proc_entry, lprocfs_osp_obd_vars, obd);
+ rc = lprocfs_add_vars(obd->obd_proc_entry, lprocfs_osp_osd_vars,
+ &osp->opd_dt_dev);
if (rc) {
- CERROR("%s: can't register in lprocfs: %ld\n",
- obd->obd_name, PTR_ERR(obd->obd_proc_entry));
+ CERROR("%s: can't register in lprocfs, rc %d\n",
+ obd->obd_name, rc);
return;
}
+ sptlrpc_lprocfs_cliobd_attach(obd);
ptlrpc_lprocfs_register_obd(obd);
+ if (osp->opd_connect_mdt || !strstr(obd->obd_name, "osc"))
+ return;
+
+ /* If the real OSC is present which is the case for setups
+ * with both server and clients on the same node then use
+ * the OSC's proc root */
+ type = class_search_type(LUSTRE_OSC_NAME);
+ if (type != NULL && type->typ_procroot != NULL)
+ osc_proc_dir = type->typ_procroot;
+ else
+ osc_proc_dir = obd->obd_type->typ_procsym;
+
+ if (osc_proc_dir == NULL)
+ return;
+
/* for compatibility we link old procfs's OSC entries to osp ones */
- if (!osp->opd_connect_mdt) {
- osc_proc_dir = lprocfs_srch(proc_lustre_root, "osc");
- if (osc_proc_dir) {
- cfs_proc_dir_entry_t *symlink = NULL;
- char *name;
-
- OBD_ALLOC(name, strlen(obd->obd_name) + 1);
- if (name == NULL)
- return;
-
- strcpy(name, obd->obd_name);
- if (strstr(name, "osc"))
- symlink = lprocfs_add_symlink(name,
- osc_proc_dir, "../osp/%s",
- obd->obd_name);
- OBD_FREE(name, strlen(obd->obd_name) + 1);
- osp->opd_symlink = symlink;
- }
- }
+ osp->opd_symlink = lprocfs_add_symlink(obd->obd_name, osc_proc_dir,
+ "../osp/%s", obd->obd_name);
+ if (osp->opd_symlink == NULL)
+ CERROR("cannot create OSC symlink for /proc/fs/lustre/osp/%s\n",
+ obd->obd_name);
}
-#endif /* LPROCFS */
+#endif /* CONFIG_PROC_FS */