*/
#define DEBUG_SUBSYSTEM S_CLASS
-#include <linux/lustre_lite.h>
-#include <linux/lustre_fsfilt.h>
+#include <linux/version.h>
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,0))
+#include <asm/statfs.h>
+#endif
+#include <linux/obd.h>
+#include <linux/obd_class.h>
#include <linux/lprocfs_status.h>
-int rd_uuid(char *page, char **start, off_t off, int count, int *eof,
- void *data)
-{
- struct obd_device* temp = (struct obd_device*)data;
- return snprintf(page, count, "%s\n", temp->obd_uuid);
-}
+#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} };
-int rd_blksize(char *page, char **start, off_t off, int count, int *eof,
- void *data)
-{
- struct obd_device* temp = (struct obd_device*)data;
- struct mds_obd *mds = &temp->u.mds;
- struct statfs mystats;
- int rc;
-
- rc = vfs_statfs(mds->mds_sb, &mystats);
- if (rc) {
- CERROR("mds: statfs failed: rc %d\n", rc);
- return 0;
- }
- return snprintf(page, count, LPU64"\n", (__u64)(mystats.f_bsize));
-}
+#else
-int rd_kbtotal(char *page, char **start, off_t off, int count, int *eof,
- void *data)
+static int lprocfs_mds_rd_mntdev(char *page, char **start, off_t off, int count,
+ int *eof, void *data)
{
- struct obd_device* temp = (struct obd_device*)data;
- struct mds_obd *mds = &temp->u.mds;
- struct statfs mystats;
- int rc;
- __u32 blk_size;
- __u64 result;
-
- rc = vfs_statfs(mds->mds_sb, &mystats);
- if (rc) {
- CERROR("mds: statfs failed: rc %d\n", rc);
- return 0;
- }
+ struct obd_device* obd = (struct obd_device *)data;
- blk_size = mystats.f_bsize;
- blk_size >>= 10;
- result = mystats.f_blocks;
- while(blk_size >>= 1)
- result <<= 1;
+ LASSERT(obd != NULL);
+ LASSERT(obd->u.mds.mds_vfsmnt->mnt_devname);
+ *eof = 1;
- return snprintf(page, count, LPU64"\n", result);
+ return snprintf(page, count, "%s\n",obd->u.mds.mds_vfsmnt->mnt_devname);
}
-int rd_kbfree(char *page, char **start, off_t off, int count, int *eof,
- void *data)
+static int lprocfs_mds_rd_filesopen(char *page, char **start, off_t off,
+ int count, int *eof, void *data)
{
- struct obd_device* temp = (struct obd_device*)data;
- struct mds_obd *mds = &temp->u.mds;
- struct statfs mystats;
- int rc;
- __u32 blk_size;
- __u64 result;
-
- rc = vfs_statfs(mds->mds_sb, &mystats);
- if (rc) {
- CERROR("mds: statfs failed: rc %d\n", rc);
- return 0;
- }
- blk_size = mystats.f_bsize;
- blk_size >>= 10;
- result = mystats.f_blocks;
- while (blk_size >>= 1)
- result <<= 1;
+ struct obd_device *obd = data;
+ LASSERT(obd != NULL);
+ *eof = 1;
- return snprintf(page, count, LPU64"\n", result);
+ return snprintf(page, count, "%d\n",
+ atomic_read(&obd->u.mds.mds_open_count));
}
-int rd_fstype(char *page, char **start, off_t off, int count, int *eof,
- void *data)
+static int lprocfs_mds_rd_recovery_status(char *page, char **start, off_t off,
+ int count, int *eof, void *data)
{
- struct obd_device *obd = (struct obd_device *)data;
-
- return snprintf(page, count, "%s\n", obd->obd_fsops->fs_type);
-}
+ struct obd_device *obd = data;
+ int len = 0, n,
+ connected = obd->obd_connected_clients,
+ max_recoverable = obd->obd_max_recoverable_clients,
+ recoverable = obd->obd_recoverable_clients,
+ completed = max_recoverable - recoverable,
+ queue_len = obd->obd_requests_queued_for_recovery,
+ replayed = obd->obd_replayed_requests;
+ __u64 next_transno = obd->obd_next_recovery_transno;
+
+ LASSERT(obd != NULL);
+ *eof = 1;
+
+ n = snprintf(page, count, "status: ");
+ page += n; len += n; count -= n;
+ if (obd->obd_max_recoverable_clients == 0) {
+ n = snprintf(page, count, "INACTIVE\n");
+ return len + n;
+ }
-int rd_filestotal(char *page, char **start, off_t off, int count, int *eof,
- void *data)
-{
- struct obd_device* temp = (struct obd_device*)data;
- struct mds_obd *mds = &temp->u.mds;
- struct statfs mystats;
- int rc;
-
- rc = vfs_statfs(mds->mds_sb, &mystats);
- if (rc) {
- CERROR("mds: statfs failed: rc %d\n", rc);
- return 0;
+ if (obd->obd_recoverable_clients == 0) {
+ n = snprintf(page, count, "COMPLETE\n");
+ page += n; len += n; count -= n;
+ n = snprintf(page, count, "recovered_clients: %d\n",
+ max_recoverable);
+ page += n; len += n; count -= n;
+ n = snprintf(page, count, "last_transno: "LPD64"\n",
+ next_transno - 1);
+ page += n; len += n; count -= n;
+ n = snprintf(page, count, "replayed_requests: %d\n", replayed);
+ return len + n;
}
- return snprintf(page, count, LPU64"\n", (__u64)(mystats.f_files));
-}
-int rd_filesfree(char *page, char **start, off_t off, int count, int *eof,
- void *data)
-{
- struct obd_device* temp = (struct obd_device*)data;
- struct mds_obd *mds = &temp->u.mds;
- struct statfs mystats;
- int rc, len = 0;
-
- rc = vfs_statfs(mds->mds_sb, &mystats);
- if (rc) {
- CERROR("mds: statfs failed: rc %d\n", rc);
- return 0;
+ /* sampled unlocked, but really... */
+ if (obd->obd_recovering == 0) {
+ n = snprintf(page, count, "ABORTED\n");
+ return len + n;
}
- len += snprintf(page, count, LPU64"\n", (__u64)(mystats.f_ffree));
- return len;
+ n = snprintf(page, count, "RECOVERING\n");
+ page += n; len += n; count -= n;
+ n = snprintf(page, count, "connected_clients: %d/%d\n",
+ connected, max_recoverable);
+ page += n; len += n; count -= n;
+ n = snprintf(page, count, "completed_clients: %d/%d\n",
+ completed, max_recoverable);
+ page += n; len += n; count -= n;
+ n = snprintf(page, count, "replayed_requests: %d/??\n", replayed);
+ page += n; len += n; count -= n;
+ n = snprintf(page, count, "queued_requests: %d\n", queue_len);
+ page += n; len += n; count -= n;
+ n = snprintf(page, count, "next_transno: "LPD64"\n", next_transno);
+ return len + n;
}
-int rd_filegroups(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)
{
- return 0;
+ struct obd_device *obd = data;
+ struct obd_export *doomed_exp = NULL;
+ struct obd_uuid doomed;
+ struct list_head *p;
+ char tmpbuf[sizeof(doomed)];
+
+ sscanf(buffer, "%40s", tmpbuf);
+ obd_str2uuid(&doomed, tmpbuf);
+
+ spin_lock(&obd->obd_dev_lock);
+ list_for_each(p, &obd->obd_exports) {
+ doomed_exp = list_entry(p, struct obd_export, exp_obd_chain);
+ if (obd_uuid_equals(&doomed, &doomed_exp->exp_client_uuid)) {
+ class_export_get(doomed_exp);
+ break;
+ }
+ doomed_exp = NULL;
+ }
+ spin_unlock(&obd->obd_dev_lock);
+
+ if (doomed_exp == NULL) {
+ CERROR("can't disconnect %s: no export found\n",
+ doomed.uuid);
+ } else {
+ CERROR("evicting %s at adminstrative request\n",
+ doomed.uuid);
+ ptlrpc_fail_export(doomed_exp);
+ class_export_put(doomed_exp);
+ }
+ return count;
}
-struct lprocfs_vars status_var_nm_1[]={
- {"status/uuid", rd_uuid, 0, 0},
- {"status/blocksize",rd_blksize, 0, 0},
- {"status/kbytestotal",rd_kbtotal, 0, 0},
- {"status/kbytesfree", rd_kbfree, 0, 0},
- {"status/fstype", rd_fstype, 0, 0},
- {"status/filestotal", rd_filestotal, 0, 0},
- {"status/filesfree", rd_filesfree, 0, 0},
- {"status/filegroups", rd_filegroups, 0, 0},
- {0}
+
+struct lprocfs_vars lprocfs_mds_obd_vars[] = {
+ { "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 },
+ { "fstype", lprocfs_rd_fstype, 0, 0 },
+ { "filestotal", lprocfs_rd_filestotal, 0, 0 },
+ { "filesfree", lprocfs_rd_filesfree, 0, 0 },
+ { "filesopen", lprocfs_mds_rd_filesopen, 0, 0 },
+ //{ "filegroups", lprocfs_rd_filegroups, 0, 0 },
+ { "mntdev", lprocfs_mds_rd_mntdev, 0, 0 },
+ { "recovery_status", lprocfs_mds_rd_recovery_status, 0, 0 },
+ { "evict_client", 0, lprocfs_mds_wr_evict_client, 0 },
+ { 0 }
};
-int rd_numrefs(char *page, char **start, off_t off, int count, int *eof,
- void *data)
-{
- struct obd_type *class = (struct obd_type*)data;
+struct lprocfs_vars lprocfs_mds_module_vars[] = {
+ { "num_refs", lprocfs_rd_numrefs, 0, 0 },
+ { 0 }
+};
- return snprintf(page, count, "%d\n", class->typ_refcnt);
-}
+struct lprocfs_vars lprocfs_mdt_obd_vars[] = {
+ { "uuid", lprocfs_rd_uuid, 0, 0 },
+ { 0 }
+};
-struct lprocfs_vars status_class_var[]={
- {"status/num_refs", rd_numrefs, 0, 0},
- {0}
+struct lprocfs_vars lprocfs_mdt_module_vars[] = {
+ { "num_refs", lprocfs_rd_numrefs, 0, 0 },
+ { 0 }
};
+
+#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)))