*
* 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) 2011, 2012, Intel, Inc.
+ * Copyright (c) 2012, 2017, 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
+/**
+ * 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 ssize_t active_show(struct kobject *kobj, struct attribute *attr,
+ char *buf)
+{
+ struct dt_device *dt = container_of(kobj, struct dt_device,
+ dd_kobj);
+ struct lu_device *lu = dt2lu_dev(dt);
+ struct obd_device *obd = lu->ld_obd;
+ int rc;
+
+ LPROCFS_CLIMP_CHECK(obd);
+ rc = sprintf(buf, "%d\n", !obd->u.cli.cl_import->imp_deactive);
+ LPROCFS_CLIMP_EXIT(obd);
+ return rc;
+}
+
+/**
+ * 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 active_store(struct kobject *kobj, struct attribute *attr,
+ const char *buffer, size_t count)
+{
+ struct dt_device *dt = container_of(kobj, struct dt_device,
+ dd_kobj);
+ struct lu_device *lu = dt2lu_dev(dt);
+ struct obd_device *obd = lu->ld_obd;
+ bool val;
+ int rc;
+
+ rc = kstrtobool(buffer, &val);
+ if (rc)
+ return rc;
+
+ LPROCFS_CLIMP_CHECK(obd);
+ /* opposite senses */
+ if (obd->u.cli.cl_import->imp_deactive == val)
+ rc = ptlrpc_set_import_active(obd->u.cli.cl_import, val);
+ else
+ CDEBUG(D_CONFIG, "activate %u: ignoring repeat request\n",
+ (unsigned int)val);
+
+ LPROCFS_CLIMP_EXIT(obd);
+ return count;
+}
+LUSTRE_RW_ATTR(active);
+
+/**
+ * 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 ssize_t sync_in_flight_show(struct kobject *kobj,
+ struct attribute *attr,
+ char *buf)
+{
+ struct dt_device *dt = container_of(kobj, struct dt_device,
+ dd_kobj);
+ struct osp_device *osp = dt2osp_dev(dt);
+
+ return sprintf(buf, "%u\n", atomic_read(&osp->opd_sync_rpcs_in_flight));
+}
+LUSTRE_RO_ATTR(sync_in_flight);
+
+/**
+ * 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 ssize_t sync_in_progress_show(struct kobject *kobj,
+ struct attribute *attr,
+ char *buf)
+{
+ struct dt_device *dt = container_of(kobj, struct dt_device,
+ dd_kobj);
+ struct osp_device *osp = dt2osp_dev(dt);
+
+ return sprintf(buf, "%u\n", atomic_read(&osp->opd_sync_rpcs_in_progress));
+}
+LUSTRE_RO_ATTR(sync_in_progress);
+
+/**
+ * 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 ssize_t sync_changes_show(struct kobject *kobj,
+ struct attribute *attr,
+ char *buf)
+{
+ struct dt_device *dt = container_of(kobj, struct dt_device,
+ dd_kobj);
+ struct osp_device *osp = dt2osp_dev(dt);
+
+ return sprintf(buf, "%u\n", atomic_read(&osp->opd_sync_changes));
+}
+
+/**
+ * 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 sync_changes_store(struct kobject *kobj, struct attribute *attr,
+ const char *buffer, size_t count)
+{
+ struct dt_device *dt = container_of(kobj, struct dt_device,
+ dd_kobj);
+ struct osp_device *osp = dt2osp_dev(dt);
+ 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;
+}
+LUSTRE_RW_ATTR(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 ssize_t max_rpcs_in_flight_show(struct kobject *kobj,
+ struct attribute *attr,
+ char *buf)
+{
+ struct dt_device *dt = container_of(kobj, struct dt_device,
+ dd_kobj);
+ struct osp_device *osp = dt2osp_dev(dt);
+
+ return sprintf(buf, "%u\n", osp->opd_sync_max_rpcs_in_flight);
+}
+
+/**
+ * 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 max_rpcs_in_flight_store(struct kobject *kobj,
+ struct attribute *attr,
+ const char *buffer,
+ size_t count)
+{
+ struct dt_device *dt = container_of(kobj, struct dt_device,
+ dd_kobj);
+ struct osp_device *osp = dt2osp_dev(dt);
+ unsigned int val;
+ int rc;
+
+ rc = kstrtouint(buffer, 0, &val);
+ if (rc)
+ return rc;
+
+ if (val == 0)
+ return -ERANGE;
+
+ osp->opd_sync_max_rpcs_in_flight = val;
+ return count;
+}
+LUSTRE_RW_ATTR(max_rpcs_in_flight);
+
+/**
+ * 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 ssize_t max_rpcs_in_progress_show(struct kobject *kobj,
+ struct attribute *attr,
+ char *buf)
+{
+ struct dt_device *dt = container_of(kobj, struct dt_device,
+ dd_kobj);
+ struct osp_device *osp = dt2osp_dev(dt);
+
+ return sprintf(buf, "%u\n", osp->opd_sync_max_rpcs_in_progress);
+}
+
+/**
+ * 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 max_rpcs_in_progress_store(struct kobject *kobj,
+ struct attribute *attr,
+ const char *buffer,
+ size_t count)
+{
+ struct dt_device *dt = container_of(kobj, struct dt_device,
+ dd_kobj);
+ struct osp_device *osp = dt2osp_dev(dt);
+ unsigned int val;
+ int rc;
+
+ rc = kstrtouint(buffer, 0, &val);
+ if (rc)
+ return rc;
+
+ if (val == 0)
+ return -ERANGE;
+
+ osp->opd_sync_max_rpcs_in_progress = val;
+
+ return count;
+}
+LUSTRE_RW_ATTR(max_rpcs_in_progress);
+
+/**
+ * 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 ssize_t create_count_show(struct kobject *kobj,
+ struct attribute *attr,
+ char *buf)
+{
+ struct dt_device *dt = container_of(kobj, struct dt_device,
+ dd_kobj);
+ struct osp_device *osp = dt2osp_dev(dt);
+
+ if (!osp->opd_pre)
+ return -EINVAL;
+
+ return sprintf(buf, "%d\n", osp->opd_pre_create_count);
+}
+
+/**
+ * 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 create_count_store(struct kobject *kobj, struct attribute *attr,
+ const char *buffer, size_t count)
+{
+ struct dt_device *dt = container_of(kobj, struct dt_device,
+ dd_kobj);
+ struct osp_device *osp = dt2osp_dev(dt);
+ unsigned int val;
+ int rc, i;
+
+ if (!osp->opd_pre)
+ return -EINVAL;
+
+
+ rc = kstrtouint(buffer, 0, &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 OSP 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 > osp->opd_pre_max_create_count)
+ return -ERANGE;
+
+ for (i = 1; (i << 1) <= val; i <<= 1)
+ ;
+ osp->opd_pre_create_count = i;
+
+ return count;
+}
+LUSTRE_RW_ATTR(create_count);
+
+/**
+ * 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 ssize_t max_create_count_show(struct kobject *kobj,
+ struct attribute *attr,
+ char *buf)
+{
+ struct dt_device *dt = container_of(kobj, struct dt_device,
+ dd_kobj);
+ struct osp_device *osp = dt2osp_dev(dt);
+
+ if (!osp->opd_pre)
+ return -EINVAL;
+
+ return sprintf(buf, "%d\n", osp->opd_pre_max_create_count);
+}
+
+/**
+ * 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 max_create_count_store(struct kobject *kobj,
+ struct attribute *attr,
+ const char *buffer, size_t count)
+{
+ struct dt_device *dt = container_of(kobj, struct dt_device,
+ dd_kobj);
+ struct osp_device *osp = dt2osp_dev(dt);
+ unsigned int val;
+ int rc;
+
+ if (!osp->opd_pre)
+ return -EINVAL;
+
+ rc = kstrtouint(buffer, 0, &val);
+ if (rc)
+ return rc;
+
+ if (val && (val < OST_MIN_PRECREATE ||
+ val > OST_MAX_PRECREATE))
+ return -ERANGE;
+
+ if (osp->opd_pre_create_count > val)
+ osp->opd_pre_create_count = val;
+
+ /* Can be 0 after setting max_create_count to 0 */
+ if (osp->opd_pre_create_count == 0 && val != 0)
+ osp->opd_pre_create_count = OST_MIN_PRECREATE;
+
+ osp->opd_pre_max_create_count = val;
+
+ return count;
+}
+LUSTRE_RW_ATTR(max_create_count);
+
+/**
+ * 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 ssize_t prealloc_next_id_show(struct kobject *kobj,
+ struct attribute *attr,
+ char *buf)
+{
+ struct dt_device *dt = container_of(kobj, struct dt_device,
+ dd_kobj);
+ struct osp_device *osp = dt2osp_dev(dt);
+ struct lu_fid *fid;
+ u64 id;
+
+ if (!osp->opd_pre)
+ return -EINVAL;
+
+ 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;
+ }
+
+ return sprintf(buf, "%llu\n", id);
+}
+LUSTRE_RO_ATTR(prealloc_next_id);
+
+/**
+ * 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 ssize_t prealloc_last_id_show(struct kobject *kobj,
+ struct attribute *attr,
+ char *buf)
+{
+ struct dt_device *dt = container_of(kobj, struct dt_device,
+ dd_kobj);
+ struct osp_device *osp = dt2osp_dev(dt);
+ struct lu_fid *fid;
+ u64 id;
+
+ if (!osp->opd_pre)
+ return -EINVAL;
+
+ 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 sprintf(buf, "%llu\n", id);
+}
+LUSTRE_RO_ATTR(prealloc_last_id);
+
+/**
+ * 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 ssize_t prealloc_next_seq_show(struct kobject *kobj,
+ struct attribute *attr,
+ char *buf)
+{
+ struct dt_device *dt = container_of(kobj, struct dt_device,
+ dd_kobj);
+ struct osp_device *osp = dt2osp_dev(dt);
+ struct lu_fid *fid;
+
+ if (!osp->opd_pre)
+ return -EINVAL;
+
+ fid = &osp->opd_pre_used_fid;
+ return sprintf(buf, "%#llx\n", fid_is_idif(fid) ?
+ fid_seq(fid) & (~0xffff) : fid_seq(fid));
+}
+LUSTRE_RO_ATTR(prealloc_next_seq);
+
+/**
+ * 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 ssize_t prealloc_last_seq_show(struct kobject *kobj,
+ struct attribute *attr,
+ char *buf)
+{
+ struct dt_device *dt = container_of(kobj, struct dt_device,
+ dd_kobj);
+ struct osp_device *osp = dt2osp_dev(dt);
+ struct lu_fid *fid;
+
+ if (!osp->opd_pre)
+ return -EINVAL;
+
+ fid = &osp->opd_pre_last_created_fid;
+ return sprintf(buf, "%#llx\n", fid_is_idif(fid) ?
+ fid_seq(fid) & (~0xffff) : fid_seq(fid));
+}
+LUSTRE_RO_ATTR(prealloc_last_seq);
+
+/**
+ * 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 ssize_t prealloc_reserved_show(struct kobject *kobj,
+ struct attribute *attr,
+ char *buf)
+{
+ struct dt_device *dt = container_of(kobj, struct dt_device,
+ dd_kobj);
+ struct osp_device *osp = dt2osp_dev(dt);
+
+ if (!osp->opd_pre)
+ return -EINVAL;
+
+ return sprintf(buf, "%llu\n", osp->opd_pre_reserved);
+}
+LUSTRE_RO_ATTR(prealloc_reserved);
+
+/**
+ * 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 ssize_t maxage_show(struct kobject *kobj,
+ struct attribute *attr,
+ char *buf)
+{
+ struct dt_device *dt = container_of(kobj, struct dt_device,
+ dd_kobj);
+ struct osp_device *osp = dt2osp_dev(dt);
+
+ return sprintf(buf, "%lld\n", osp->opd_statfs_maxage);
+}
+
+/**
+ * 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 maxage_store(struct kobject *kobj, struct attribute *attr,
+ const char *buffer, size_t count)
+{
+ struct dt_device *dt = container_of(kobj, struct dt_device,
+ dd_kobj);
+ struct osp_device *osp = dt2osp_dev(dt);
+ unsigned int val;
+ int rc;
+
+ rc = kstrtouint(buffer, 0, &val);
+ if (rc)
+ return rc;
+
+ if (val == 0)
+ return -ERANGE;
+
+ osp->opd_statfs_maxage = val;
+
+ return count;
+}
+LUSTRE_RW_ATTR(maxage);
+
+/**
+ * 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 ssize_t prealloc_status_show(struct kobject *kobj,
+ struct attribute *attr,
+ char *buf)
+{
+ struct dt_device *dt = container_of(kobj, struct dt_device,
+ dd_kobj);
+ struct osp_device *osp = dt2osp_dev(dt);
+
+ if (!osp->opd_pre)
+ return -EINVAL;
+
+ return sprintf(buf, "%d\n", osp->opd_pre_status);
+}
+LUSTRE_RO_ATTR(prealloc_status);
+
+/**
+ * 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 ssize_t destroys_in_flight_show(struct kobject *kobj,
+ struct attribute *attr,
+ char *buf)
+{
+ struct dt_device *dt = container_of(kobj, struct dt_device,
+ dd_kobj);
+ struct osp_device *osp = dt2osp_dev(dt);
+
+ return sprintf(buf, "%u\n",
+ atomic_read(&osp->opd_sync_rpcs_in_progress) +
+ atomic_read(&osp->opd_sync_changes));
+}
+LUSTRE_RO_ATTR(destroys_in_flight);
+
+/**
+ * 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 ssize_t old_sync_processed_show(struct kobject *kobj,
+ struct attribute *attr,
+ char *buf)
+{
+ struct dt_device *dt = container_of(kobj, struct dt_device,
+ dd_kobj);
+ struct osp_device *osp = dt2osp_dev(dt);
+
+ return sprintf(buf, "%d\n", osp->opd_sync_prev_done);
+}
+LUSTRE_RO_ATTR(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 ssize_t lfsck_max_rpcs_in_flight_show(struct kobject *kobj,
+ struct attribute *attr,
+ char *buf)
+{
+ struct dt_device *dt = container_of(kobj, struct dt_device,
+ dd_kobj);
+ struct lu_device *lu = dt2lu_dev(dt);
+ struct obd_device *obd = lu->ld_obd;
+ u32 max;
+
+ max = obd_get_max_rpcs_in_flight(&obd->u.cli);
+ return sprintf(buf, "%u\n", max);
+}
+
+/**
+ * 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 lfsck_max_rpcs_in_flight_store(struct kobject *kobj,
+ struct attribute *attr,
+ const char *buffer,
+ size_t count)
+{
+ struct dt_device *dt = container_of(kobj, struct dt_device,
+ dd_kobj);
+ struct lu_device *lu = dt2lu_dev(dt);
+ struct obd_device *obd = lu->ld_obd;
+ unsigned int val;
+ int rc;
+
+ rc = kstrtouint(buffer, 0, &val);
+ if (rc)
+ return rc;
+
+ rc = obd_set_max_rpcs_in_flight(&obd->u.cli, val);
+ return rc ? rc : count;
+}
+LUSTRE_RW_ATTR(lfsck_max_rpcs_in_flight);
+
+ssize_t ping_show(struct kobject *kobj, struct attribute *attr,
+ char *buffer)
+{
+ struct dt_device *dt = container_of(kobj, struct dt_device,
+ dd_kobj);
+ struct lu_device *lu = dt2lu_dev(dt);
+ struct obd_device *obd = lu->ld_obd;
+ int rc;
+
+ LPROCFS_CLIMP_CHECK(obd);
+ rc = ptlrpc_obd_ping(obd);
+ LPROCFS_CLIMP_EXIT(obd);
+
+ return rc;
+}
+LUSTRE_RO_ATTR(ping);
+
+ssize_t osp_conn_uuid_show(struct kobject *kobj, struct attribute *attr,
+ char *buf)
+{
+ struct dt_device *dt = container_of(kobj, struct dt_device,
+ dd_kobj);
+ struct lu_device *lu = dt2lu_dev(dt);
+ struct obd_device *obd = lu->ld_obd;
+ struct ptlrpc_connection *conn;
+ ssize_t count;
+
+ LPROCFS_CLIMP_CHECK(obd);
+ conn = obd->u.cli.cl_import->imp_connection;
+ if (conn && obd->u.cli.cl_import)
+ count = sprintf(buf, "%s\n", conn->c_remote_uuid.uuid);
+ else
+ count = sprintf(buf, "%s\n", "<none>");
+
+ LPROCFS_CLIMP_EXIT(obd);
+ return count;
+}
+
+LUSTRE_ATTR(ost_conn_uuid, 0444, osp_conn_uuid_show, NULL);
+LUSTRE_ATTR(mdt_conn_uuid, 0444, osp_conn_uuid_show, NULL);
+
+LDEBUGFS_SEQ_FOPS_RO_TYPE(osp, connect_flags);
+LDEBUGFS_SEQ_FOPS_RO_TYPE(osp, server_uuid);
+LDEBUGFS_SEQ_FOPS_RO_TYPE(osp, timeouts);
+
+LPROC_SEQ_FOPS_RW_TYPE(osp, import);
+LDEBUGFS_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 || osp->opd_pre == 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;
+}
+LDEBUGFS_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 || osp->opd_pre == 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;
+}
+LDEBUGFS_SEQ_FOPS(osp_reserved_mb_low);
+
+static ssize_t force_sync_store(struct kobject *kobj, struct attribute *attr,
+ const char *buffer, size_t count)
+{
+ struct dt_device *dt = container_of(kobj, struct dt_device,
+ dd_kobj);
+ 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;
+}
+LUSTRE_WO_ATTR(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 },
- { "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 },
- { "ost_server_uuid", lprocfs_rd_server_uuid, 0, 0 },
- { "ost_conn_uuid", lprocfs_rd_conn_uuid, 0, 0 },
- { "timeouts", lprocfs_rd_timeouts, 0, 0 },
- { "import", lprocfs_rd_import, lprocfs_wr_import, 0 },
- { "state", lprocfs_rd_state, 0, 0 },
- { 0 }
+ { .name = "connect_flags",
+ .fops = &osp_connect_flags_fops },
+ { .name = "ost_server_uuid",
+ .fops = &osp_server_uuid_fops },
+ { .name = "timeouts",
+ .fops = &osp_timeouts_fops },
+ { .name = "import",
+ .fops = &osp_import_fops },
+ { .name = "state",
+ .fops = &osp_state_fops },
+ { .name = "reserved_mb_high",
+ .fops = &osp_reserved_mb_high_fops },
+ { .name = "reserved_mb_low",
+ .fops = &osp_reserved_mb_low_fops },
+ { NULL }
+};
+
+static struct lprocfs_vars lprocfs_osp_md_vars[] = {
+ { .name = "connect_flags",
+ .fops = &osp_connect_flags_fops },
+ { .name = "mdt_server_uuid",
+ .fops = &osp_server_uuid_fops },
+ { .name = "timeouts",
+ .fops = &osp_timeouts_fops },
+ { .name = "import",
+ .fops = &osp_import_fops },
+ { .name = "state",
+ .fops = &osp_state_fops },
+ { NULL }
+};
+
+static struct attribute *osp_obd_attrs[] = {
+ /* First two for compatiability reasons */
+ &lustre_attr_lfsck_max_rpcs_in_flight.attr,
+ &lustre_attr_destroys_in_flight.attr,
+ &lustre_attr_active.attr,
+ &lustre_attr_max_rpcs_in_flight.attr,
+ &lustre_attr_max_rpcs_in_progress.attr,
+ &lustre_attr_maxage.attr,
+ &lustre_attr_ost_conn_uuid.attr,
+ &lustre_attr_ping.attr,
+ &lustre_attr_prealloc_status.attr,
+ &lustre_attr_prealloc_next_id.attr,
+ &lustre_attr_prealloc_last_id.attr,
+ &lustre_attr_prealloc_next_seq.attr,
+ &lustre_attr_prealloc_last_seq.attr,
+ &lustre_attr_prealloc_reserved.attr,
+ &lustre_attr_sync_in_flight.attr,
+ &lustre_attr_sync_in_progress.attr,
+ &lustre_attr_sync_changes.attr,
+ &lustre_attr_force_sync.attr,
+ &lustre_attr_old_sync_processed.attr,
+ &lustre_attr_create_count.attr,
+ &lustre_attr_max_create_count.attr,
+ NULL,
};
-static struct lprocfs_vars lprocfs_osp_module_vars[] = {
- { "num_refs", lprocfs_rd_numrefs, 0, 0 },
- { 0 }
+static struct attribute *osp_md_attrs[] = {
+ /* First two for compatiability reasons */
+ &lustre_attr_lfsck_max_rpcs_in_flight.attr,
+ &lustre_attr_destroys_in_flight.attr,
+ &lustre_attr_active.attr,
+ &lustre_attr_max_rpcs_in_flight.attr,
+ &lustre_attr_max_rpcs_in_progress.attr,
+ &lustre_attr_maxage.attr,
+ &lustre_attr_mdt_conn_uuid.attr,
+ &lustre_attr_ping.attr,
+ &lustre_attr_prealloc_status.attr,
+ NULL,
};
-void lprocfs_osp_init_vars(struct lprocfs_static_vars *lvars)
+void osp_tunables_fini(struct osp_device *osp)
{
- lvars->module_vars = lprocfs_osp_module_vars;
- lvars->obd_vars = lprocfs_osp_obd_vars;
+ struct obd_device *obd = osp->opd_obd;
+ struct kobject *osc;
+
+ osc = kset_find_obj(lustre_kset, "osc");
+ if (osc) {
+ sysfs_remove_link(osc, obd->obd_name);
+ kobject_put(osc);
+ }
+
+ if (!IS_ERR_OR_NULL(osp->opd_debugfs))
+ ldebugfs_remove(&osp->opd_debugfs);
+
+ ptlrpc_lprocfs_unregister_obd(obd);
+
+ if (!IS_ERR_OR_NULL(obd->obd_debugfs_entry))
+ ldebugfs_remove(&obd->obd_debugfs_entry);
+
+ dt_tunables_fini(&osp->opd_dt_dev);
}
-#endif /* LPROCFS */
+/**
+ * Initialize OSP sysfs / debugfs
+ *
+ * param[in] osp OSP device
+ */
+void osp_tunables_init(struct osp_device *osp)
+{
+ struct obd_device *obd = osp->opd_obd;
+ struct kobject *osc;
+ int rc;
+
+ if (osp->opd_connect_mdt) {
+ osp->opd_dt_dev.dd_ktype.default_attrs = osp_md_attrs;
+ obd->obd_vars = lprocfs_osp_md_vars;
+ } else {
+ osp->opd_dt_dev.dd_ktype.default_attrs = osp_obd_attrs;
+ obd->obd_vars = lprocfs_osp_obd_vars;
+ }
+
+ rc = dt_tunables_init(&osp->opd_dt_dev, obd->obd_type, obd->obd_name,
+ NULL);
+ if (rc) {
+ CERROR("%s: failed to setup DT tunables: %d\n",
+ obd->obd_name, rc);
+ return;
+ }
+
+ /* Since we register the obd device with ptlrpc / sptlrpc we
+ * have to register debugfs with obd_device
+ */
+ obd->obd_debugfs_entry = ldebugfs_register(obd->obd_name,
+ obd->obd_type->typ_debugfs_entry,
+ obd->obd_vars, obd);
+ if (IS_ERR_OR_NULL(obd->obd_debugfs_entry)) {
+ rc = obd->obd_debugfs_entry ? PTR_ERR(obd->obd_debugfs_entry)
+ : -ENOMEM;
+ CERROR("%s: error %d setting up debugfs\n",
+ obd->obd_name, rc);
+ obd->obd_debugfs_entry = NULL;
+ dt_tunables_fini(&osp->opd_dt_dev);
+ 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
+ */
+ osc = kset_find_obj(lustre_kset, "osc");
+ if (osc) {
+ rc = sysfs_create_link(osc, &osp->opd_dt_dev.dd_kobj,
+ obd->obd_name);
+ kobject_put(osc);
+ }
+
+ osp->opd_debugfs = ldebugfs_add_symlink(obd->obd_name, "osc",
+ "../osp/%s", obd->obd_name);
+ if (!osp->opd_debugfs)
+ CERROR("%s: failed to create OSC debugfs symlink\n",
+ obd->obd_name);
+}
git://git.whamcloud.com / fs / lustre-release.git / blobdiff