*
* Copyright (C) 2002 Cluster File Systems, Inc.
*
- * This file is part of Lustre, http://www.lustre.org.
+ * This file is part of the Lustre file system, http://www.lustre.org
+ * Lustre is a trademark of Cluster File Systems, Inc.
*
- * Lustre is free 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.
+ * 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.
*
- * 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
- * GNU General Public License for more details.
+ * 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.
*
- * You should have received a copy of the GNU General Public License
- * along with Lustre; if not, write to the Free Software
- * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ * 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.
*
*/
#define DEBUG_SUBSYSTEM S_CLASS
#include <linux/version.h>
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,0))
#include <asm/statfs.h>
-#endif
-#include <linux/lustre_lite.h>
-#include <linux/lustre_fsfilt.h>
-#include <linux/lprocfs_status.h>
+#include <obd.h>
+#include <obd_class.h>
+#include <lprocfs_status.h>
+#include "mds_internal.h"
+
+#ifdef LPROCFS
+static int lprocfs_mds_rd_mntdev(char *page, char **start, off_t off, int count,
+ int *eof, void *data)
+{
+ struct obd_device* obd = (struct obd_device *)data;
-#ifndef LPROCFS
-struct lprocfs_vars lprocfs_mds_obd_vars[] = { {0} };
-struct lprocfs_vars lprocfs_mds_module_vars[] = { {0} };
-struct lprocfs_vars lprocfs_mdt_obd_vars[] = { {0} };
-struct lprocfs_vars lprocfs_mdt_module_vars[] = { {0} };
+ LASSERT(obd != NULL);
+ LASSERT(obd->u.mds.mds_vfsmnt->mnt_devname);
+ *eof = 1;
-#else
+ return snprintf(page, count, "%s\n",obd->u.mds.mds_vfsmnt->mnt_devname);
+}
-static inline int lprocfs_mds_statfs(void *data, struct statfs *sfs)
+static int lprocfs_mds_rd_evictostnids(char *page, char **start, off_t off,
+ int count, int *eof, void *data)
{
- struct obd_device* dev = (struct obd_device*) data;
- struct mds_obd *mds;
+ struct obd_device* obd = (struct obd_device *)data;
- LASSERT(dev != NULL);
- mds = &dev->u.mds;
- return vfs_statfs(mds->mds_sb, sfs);
+ LASSERT(obd != NULL);
+
+ return snprintf(page, count, "%d\n", obd->u.mds.mds_evict_ost_nids);
}
-DEFINE_LPROCFS_STATFS_FCT(rd_blksize, lprocfs_mds_statfs);
-DEFINE_LPROCFS_STATFS_FCT(rd_kbytestotal, lprocfs_mds_statfs);
-DEFINE_LPROCFS_STATFS_FCT(rd_kbytesfree, lprocfs_mds_statfs);
-DEFINE_LPROCFS_STATFS_FCT(rd_filestotal, lprocfs_mds_statfs);
-DEFINE_LPROCFS_STATFS_FCT(rd_filesfree, lprocfs_mds_statfs);
-DEFINE_LPROCFS_STATFS_FCT(rd_filegroups, lprocfs_mds_statfs);
+static int lprocfs_mds_wr_evictostnids(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;
+
+ obd->u.mds.mds_evict_ost_nids = !!val;
+
+ return count;
+}
-int rd_fstype(char *page, char **start, off_t off, int count, int *eof,
- void *data)
+static int lprocfs_mds_wr_evict_client(struct file *file, const char *buffer,
+ unsigned long count, void *data)
{
- struct obd_device *obd = (struct obd_device *)data;
+ struct obd_device *obd = data;
+ struct mds_obd *mds = &obd->u.mds;
+ char tmpbuf[sizeof(struct obd_uuid)];
+ struct ptlrpc_request_set *set;
+ int rc;
- LASSERT(obd != NULL);
- LASSERT(obd->obd_fsops != NULL);
- LASSERT(obd->obd_fsops->fs_type != NULL);
- return snprintf(page, count, "%s\n", obd->obd_fsops->fs_type);
+ sscanf(buffer, "%40s", tmpbuf);
+
+ if (strncmp(tmpbuf, "nid:", 4) != 0)
+ return lprocfs_wr_evict_client(file, buffer, count, data);
+
+ set = ptlrpc_prep_set();
+ if (!set)
+ return -ENOMEM;
+
+ if (obd->u.mds.mds_evict_ost_nids) {
+ rc = obd_set_info_async(mds->mds_osc_exp,strlen("evict_by_nid"),
+ "evict_by_nid", strlen(tmpbuf + 4) + 1,
+ tmpbuf + 4, set);
+ if (rc)
+ CERROR("Failed to evict nid %s from OSTs: rc %d\n",
+ tmpbuf + 4, rc);
+
+ ptlrpc_check_set(set);
+ }
+
+ /* See the comments in function lprocfs_wr_evict_client()
+ * in ptlrpc/lproc_ptlrpc.c for details. - jay */
+ class_incref(obd);
+ LPROCFS_EXIT();
+
+ obd_export_evict_by_nid(obd, tmpbuf+4);
+
+ LPROCFS_ENTRY();
+ class_decref(obd);
+
+ rc = ptlrpc_set_wait(set);
+ if (rc)
+ CERROR("Failed to evict nid %s from OSTs: rc %d\n", tmpbuf + 4,
+ rc);
+ ptlrpc_set_destroy(set);
+ return count;
}
-int lprocfs_mds_rd_mntdev(char *page, char **start, off_t off, int count,
- int *eof, void *data)
+#if 0
+static int lprocfs_wr_group_info(struct file *file, const char *buffer,
+ unsigned long count, void *data)
{
- struct obd_device* obd = (struct obd_device *)data;
+ struct obd_device *obd = data;
+ struct mds_obd *mds = &obd->u.mds;
+ struct mds_grp_downcall_data sparam, *param = &sparam;
+ int size = 0, rc = count;
+
+ if (count < sizeof(param)) {
+ CERROR("%s: invalid data size %lu\n", obd->obd_name, count);
+ return count;
+ }
+
+ if (copy_from_user(param, buffer, sizeof(*param)) ||
+ param->mgd_magic != MDS_GRP_DOWNCALL_MAGIC) {
+ CERROR("%s: MDS group downcall bad params\n", obd->obd_name);
+ return count;
+ }
+
+ if (param->mgd_ngroups > NGROUPS_MAX) {
+ CWARN("%s: uid %u groups %d more than maximum %d\n",
+ obd->obd_name, param->mgd_uid, param->mgd_ngroups,
+ NGROUPS_MAX);
+ param->mgd_ngroups = NGROUPS_MAX;
+ }
+
+ if (param->mgd_ngroups > 0) {
+ size = offsetof(struct mds_grp_downcall_data,
+ mgd_groups[param->mgd_ngroups]);
+ OBD_ALLOC(param, size);
+ if (!param) {
+ CERROR("%s: fail to alloc %d bytes for uid %u"
+ " with %d groups\n", obd->obd_name, size,
+ sparam.mgd_uid, sparam.mgd_ngroups);
+ param = &sparam;
+ param->mgd_ngroups = 0;
+ } else if (copy_from_user(param, buffer, size)) {
+ CERROR("%s: uid %u bad supplementary group data\n",
+ obd->obd_name, sparam.mgd_uid);
+ OBD_FREE(param, size);
+ param = &sparam;
+ param->mgd_ngroups = 0;
+ }
+ }
+ rc = upcall_cache_downcall(mds->mds_group_hash, param->mgd_err,
+ param->mgd_uid, param->mgd_gid,
+ param->mgd_ngroups, param->mgd_groups);
+
+ if (param && param != &sparam)
+ OBD_FREE(param, size);
+
+ return rc;
+}
+
+static int lprocfs_rd_group_expire(char *page, char **start, off_t off,
+ int count, int *eof, void *data)
+{
+ struct obd_device *obd = data;
+
+ *eof = 1;
+ return snprintf(page, count, "%lu\n",
+ obd->u.mds.mds_group_hash->uc_entry_expire / HZ);
+}
+
+static int lprocfs_wr_group_expire(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 > 5)
+ obd->u.mds.mds_group_hash->uc_entry_expire = val * HZ;
+ else
+ CERROR("invalid expire time %u for group cache\n", val);
+
+ return count;
+}
+
+static int lprocfs_rd_group_acquire_expire(char *page, char **start, off_t off,
+ int count, int *eof, void *data)
+{
+ struct obd_device *obd = data;
+
+ *eof = 1;
+ return snprintf(page, count, "%lu\n",
+ obd->u.mds.mds_group_hash->uc_acquire_expire / HZ);
+}
+
+static int lprocfs_wr_group_acquire_expire(struct file *file,const char *buffer,
+ unsigned long count, void *data)
+{
+ struct obd_device *obd = data;
+ int val, rc = 0;
+
+ rc = lprocfs_write_helper(buffer, count, &val);
+ if (rc)
+ return rc;
+
+ if (val > 2)
+ obd->u.mds.mds_group_hash->uc_acquire_expire = val * HZ;
+
+ return count;
+}
+
+static int lprocfs_rd_group_upcall(char *page, char **start, off_t off,
+ int count, int *eof, void *data)
+{
+ struct obd_device *obd = data;
- LASSERT(obd != NULL);
- LASSERT(obd->u.mds.mds_vfsmnt->mnt_devname);
*eof = 1;
return snprintf(page, count, "%s\n",
- obd->u.mds.mds_vfsmnt->mnt_devname);
+ obd->u.mds.mds_group_hash->uc_upcall);
+}
+
+static int lprocfs_wr_group_upcall(struct file *file, const char *buffer,
+ unsigned long count, void *data)
+{
+ struct obd_device *obd = data;
+ struct upcall_cache *hash = obd->u.mds.mds_group_hash;
+ char kernbuf[UC_CACHE_UPCALL_MAXPATH] = { '\0' };
+
+ if (count >= UC_CACHE_UPCALL_MAXPATH) {
+ CERROR("%s: group upcall too long\n", obd->obd_name);
+ return -EINVAL;
+ }
+
+ if (copy_from_user(kernbuf, buffer,
+ min(count, UC_CACHE_UPCALL_MAXPATH - 1)))
+ return -EFAULT;
+
+ /* Remove any extraneous bits from the upcall (e.g. linefeeds) */
+ sscanf(kernbuf, "%s", hash->uc_upcall);
+
+ if (strcmp(hash->uc_name, obd->obd_name) != 0)
+ CWARN("%s: write to upcall name %s for MDS %s\n",
+ obd->obd_name, hash->uc_upcall, obd->obd_name);
+ CWARN("%s: group upcall set to %s\n", obd->obd_name, hash->uc_upcall);
+
+ return count;
+}
+
+static int lprocfs_wr_group_flush(struct file *file, const char *buffer,
+ unsigned long count, void *data)
+{
+ struct obd_device *obd = data;
+
+ upcall_cache_flush_idle(obd->u.mds.mds_group_hash);
+ return count;
+}
+#endif
+
+static int lprocfs_wr_atime_diff(struct file *file, const char *buffer,
+ unsigned long count, void *data)
+{
+ struct obd_device *obd = data;
+ struct mds_obd *mds = &obd->u.mds;
+ char kernbuf[20], *end;
+ unsigned long diff = 0;
+
+ if (count > (sizeof(kernbuf) - 1))
+ return -EINVAL;
+
+ if (copy_from_user(kernbuf, buffer, count))
+ return -EFAULT;
+
+ kernbuf[count] = '\0';
+
+ diff = simple_strtoul(kernbuf, &end, 0);
+ if (kernbuf == end)
+ return -EINVAL;
+
+ mds->mds_atime_diff = diff;
+ return count;
+}
+
+static int lprocfs_rd_atime_diff(char *page, char **start, off_t off,
+ int count, int *eof, void *data)
+{
+ struct obd_device *obd = data;
+ struct mds_obd *mds = &obd->u.mds;
+
+ *eof = 1;
+ return snprintf(page, count, "%lu\n", mds->mds_atime_diff);
}
struct lprocfs_vars lprocfs_mds_obd_vars[] = {
- { "uuid", lprocfs_rd_uuid, 0, 0 },
- { "blocksize", rd_blksize, 0, 0 },
- { "kbytestotal",rd_kbytestotal, 0, 0 },
- { "kbytesfree", rd_kbytesfree, 0, 0 },
- { "fstype", rd_fstype, 0, 0 },
- { "filestotal", rd_filestotal, 0, 0 },
- { "filesfree", rd_filesfree, 0, 0 },
- { "filegroups", rd_filegroups, 0, 0 },
- { "mntdev", lprocfs_mds_rd_mntdev, 0, 0 },
+ { "uuid", lprocfs_rd_uuid, 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 },
+ { "fstype", lprocfs_rd_fstype, 0, 0 },
+ { "mntdev", lprocfs_mds_rd_mntdev, 0, 0 },
+ { "recovery_status", lprocfs_obd_rd_recovery_status, 0, 0 },
+ { "evict_client", 0, lprocfs_mds_wr_evict_client, 0 },
+ { "evict_ost_nids", lprocfs_mds_rd_evictostnids,
+ lprocfs_mds_wr_evictostnids, 0 },
+ { "num_exports", lprocfs_rd_num_exports, 0, 0 },
+#ifdef HAVE_QUOTA_SUPPORT
+ { "quota_bunit_sz", lprocfs_rd_bunit, lprocfs_wr_bunit, 0 },
+ { "quota_btune_sz", lprocfs_rd_btune, lprocfs_wr_btune, 0 },
+ { "quota_iunit_sz", lprocfs_rd_iunit, lprocfs_wr_iunit, 0 },
+ { "quota_itune_sz", lprocfs_rd_itune, lprocfs_wr_itune, 0 },
+ { "quota_type", lprocfs_rd_type, lprocfs_wr_type, 0 },
+#endif
+#if 0
+ { "group_expire_interval", lprocfs_rd_group_expire,
+ lprocfs_wr_group_expire, 0},
+ { "group_acquire_expire", lprocfs_rd_group_acquire_expire,
+ lprocfs_wr_group_acquire_expire, 0},
+ { "group_upcall", lprocfs_rd_group_upcall,
+ lprocfs_wr_group_upcall, 0},
+ { "group_flush", 0, lprocfs_wr_group_flush, 0},
+ { "group_info", 0, lprocfs_wr_group_info, 0 },
+#endif
+ { "atime_diff", lprocfs_rd_atime_diff, lprocfs_wr_atime_diff, 0 },
{ 0 }
};
struct lprocfs_vars lprocfs_mds_module_vars[] = {
- { "num_refs", lprocfs_rd_numrefs, 0, 0 },
+ { "num_refs", lprocfs_rd_numrefs, 0, 0 },
{ 0 }
};
struct lprocfs_vars lprocfs_mdt_obd_vars[] = {
- { "uuid", lprocfs_rd_uuid, 0, 0 },
+ { "uuid", lprocfs_rd_uuid, 0, 0 },
{ 0 }
};
struct lprocfs_vars lprocfs_mdt_module_vars[] = {
- { "num_refs", lprocfs_rd_numrefs, 0, 0 },
+ { "num_refs", lprocfs_rd_numrefs, 0, 0 },
{ 0 }
};
+void mds_counter_incr(struct obd_export *exp, int opcode)
+{
+ lprocfs_counter_incr(exp->exp_obd->obd_stats, opcode);
+ lprocfs_counter_incr(exp->exp_ops_stats, opcode);
+}
+
+void mds_stats_counter_init(struct lprocfs_stats *stats)
+{
+ lprocfs_counter_init(stats, LPROC_MDS_OPEN, 0, "open", "reqs");
+ lprocfs_counter_init(stats, LPROC_MDS_CLOSE, 0, "close", "reqs");
+ lprocfs_counter_init(stats, LPROC_MDS_MKNOD, 0, "mknod", "reqs");
+ lprocfs_counter_init(stats, LPROC_MDS_LINK, 0, "link", "reqs");
+ lprocfs_counter_init(stats, LPROC_MDS_UNLINK, 0, "unlink", "reqs");
+ lprocfs_counter_init(stats, LPROC_MDS_MKDIR, 0, "mkdir", "reqs");
+ lprocfs_counter_init(stats, LPROC_MDS_RMDIR, 0, "rmdir", "reqs");
+ lprocfs_counter_init(stats, LPROC_MDS_RENAME, 0, "rename", "reqs");
+ lprocfs_counter_init(stats, LPROC_MDS_GETXATTR, 0, "getxattr", "reqs");
+ lprocfs_counter_init(stats, LPROC_MDS_SETXATTR, 0, "setxattr", "reqs");
+}
+
+LPROCFS_INIT_VARS(mds, lprocfs_mds_module_vars, lprocfs_mds_obd_vars);
+LPROCFS_INIT_VARS(mdt, lprocfs_mdt_module_vars, lprocfs_mdt_obd_vars);
#endif
-struct lprocfs_static_vars lprocfs_array_vars[] = { {lprocfs_mds_module_vars,
- lprocfs_mds_obd_vars},
- {lprocfs_mdt_module_vars,
- lprocfs_mdt_obd_vars}};
-
-LPROCFS_INIT_MULTI_VARS(lprocfs_array_vars,
- (sizeof(lprocfs_array_vars) /
- sizeof(struct lprocfs_static_vars)))
git://git.whamcloud.com / fs / lustre-release.git / blobdiff