-/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
- * vim:expandtab:shiftwidth=8:tabstop=8:
- *
+/*
* GPL HEADER START
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
* GPL HEADER END
*/
/*
- * Copyright 2008 Sun Microsystems, Inc. All rights reserved
+ * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
* Use is subject to license terms.
+ *
+ * Copyright (c) 2013, Intel Corporation.
*/
/*
* This file is part of Lustre, http://www.lustre.org/
*/
/* Safely read the last_rcvd file from a device */
+#if HAVE_CONFIG_H
+# include "config.h"
+#endif /* HAVE_CONFIG_H */
+
#ifndef _GNU_SOURCE
#define _GNU_SOURCE
#endif
}
memset(cmd, 0, sizeof(cmd));
- sprintf(cmd,
- "debugfs -c -R 'dump /%s %s/%s' %s",
- LAST_RCVD, tmpdir, LAST_RCVD, dev);
+ snprintf(cmd, sizeof(cmd),
+ "%s -c -R 'dump /%s %s/%s' %s",
+ DEBUGFS, LAST_RCVD, tmpdir, LAST_RCVD, dev);
ret = run_command(cmd);
if (ret) {
goto out_close;
}
- #if 0
- __u8 lsd_uuid[40]; /* server UUID */
- __u64 lsd_last_transno; /* last completed transaction ID */
- __u64 lsd_compat14; /* reserved - compat with old last_rcvd */
- __u64 lsd_mount_count; /* incarnation number */
- __u32 lsd_feature_compat; /* compatible feature flags */
- __u32 lsd_feature_rocompat;/* read-only compatible feature flags */
- __u32 lsd_feature_incompat;/* incompatible feature flags */
- __u32 lsd_server_size; /* size of server data area */
- __u32 lsd_client_start; /* start of per-client data area */
- __u16 lsd_client_size; /* size of per-client data area */
- __u16 lsd_subdir_count; /* number of subdirectories for objects */
- __u64 lsd_catalog_oid; /* recovery catalog object id */
- __u32 lsd_catalog_ogen; /* recovery catalog inode generation */
- __u8 lsd_peeruuid[40]; /* UUID of MDS associated with this OST */
- __u32 lsd_ost_index; /* index number of OST in LOV */
- __u32 lsd_mdt_index; /* index number of MDT in LMV */
- __u8 lsd_padding[LR_SERVER_SIZE - 148];
- #endif
-
- printf("UUID %s\n", lsd.lsd_uuid);
- printf("Feature compat=%#x\n", lsd.lsd_feature_compat);
- printf("Feature incompat=%#x\n", lsd.lsd_feature_incompat);
- printf("Feature rocompat=%#x\n", lsd.lsd_feature_rocompat);
- printf("Last transaction %llu\n", (long long)lsd.lsd_last_transno);
- printf("ost index %u\n", lsd.lsd_ost_index);
- printf("mdt index %u\n", lsd.lsd_mdt_index);
-
- if ((lsd.lsd_feature_compat & OBD_COMPAT_OST) ||
- (lsd.lsd_feature_incompat & OBD_INCOMPAT_OST)) {
- printf("OST, index %d\n", lsd.lsd_ost_index);
- } else if ((lsd.lsd_feature_compat & OBD_COMPAT_MDT) ||
- (lsd.lsd_feature_incompat & OBD_INCOMPAT_MDT)) {
- /* We must co-locate so mgs can see old logs.
- If user doesn't want this, they can copy the old
- logs manually and re-tunefs. */
- printf("MDS, index %d\n", lsd.lsd_mdt_index);
- } else {
- /* If neither is set, we're pre-1.4.6, make a guess. */
- /* Construct debugfs command line. */
- memset(cmd, 0, sizeof(cmd));
- sprintf(cmd,
- "debugfs -c -R 'rdump /%s %s' %s",
- MDT_LOGS_DIR, tmpdir, dev);
-
- run_command(cmd);
-
- sprintf(filepnm, "%s/%s", tmpdir, MDT_LOGS_DIR);
- if (lsd.lsd_ost_index > 0) {
- printf("non-flagged OST, index %d\n",
- lsd.lsd_ost_index);
- } else {
- /* If there's a LOGS dir, it's an MDT */
- if ((ret = access(filepnm, F_OK)) == 0) {
- /* Old MDT's are always index 0
- (pre CMD) */
- printf("non-flagged MDS, index 0\n");
- } else {
- printf("non-flagged OST, index unknown\n");
- }
- }
- }
-
+#if 0
+ __u8 lsd_uuid[40]; /* server UUID */
+ __u64 lsd_last_transno; /* last completed transaction ID */
+ __u64 lsd_compat14; /* reserved - compat with old last_rcvd */
+ __u64 lsd_mount_count; /* incarnation number */
+ __u32 lsd_feature_compat; /* compatible feature flags */
+ __u32 lsd_feature_rocompat;/* read-only compatible feature flags */
+ __u32 lsd_feature_incompat;/* incompatible feature flags */
+ __u32 lsd_server_size; /* size of server data area */
+ __u32 lsd_client_start; /* start of per-client data area */
+ __u16 lsd_client_size; /* size of per-client data area */
+ __u16 lsd_subdir_count; /* number of subdirectories for objects */
+ __u64 lsd_catalog_oid; /* recovery catalog object id */
+ __u32 lsd_catalog_ogen; /* recovery catalog inode generation */
+ __u8 lsd_peeruuid[40]; /* UUID of MDS associated with this OST */
+ __u32 lsd_osd_index; /* index number of OST/MDT in LOV/LMV */
+ __u8 lsd_padding[LR_SERVER_SIZE - 148];
+#endif
+
+ printf("UUID %s\n", lsd.lsd_uuid);
+ printf("Feature compat=%#x\n", lsd.lsd_feature_compat);
+ printf("Feature incompat=%#x\n", lsd.lsd_feature_incompat);
+ printf("Feature rocompat=%#x\n", lsd.lsd_feature_rocompat);
+ printf("Last transaction %llu\n", (long long)lsd.lsd_last_transno);
+ printf("target index %u\n", lsd.lsd_osd_index);
+
+ if ((lsd.lsd_feature_compat & OBD_COMPAT_OST) ||
+ (lsd.lsd_feature_incompat & OBD_INCOMPAT_OST)) {
+ printf("OST, index %d\n", lsd.lsd_osd_index);
+ } else if ((lsd.lsd_feature_compat & OBD_COMPAT_MDT) ||
+ (lsd.lsd_feature_incompat & OBD_INCOMPAT_MDT)) {
+ /* We must co-locate so mgs can see old logs.
+ If user doesn't want this, they can copy the old
+ logs manually and re-tunefs. */
+ printf("MDS, index %d\n", lsd.lsd_osd_index);
+ } else {
+ /* If neither is set, we're pre-1.4.6, make a guess. */
+ /* Construct debugfs command line. */
+ memset(cmd, 0, sizeof(cmd));
+ snprintf(cmd, sizeof(cmd), "%s -c -R 'rdump /%s %s' %s",
+ DEBUGFS, MDT_LOGS_DIR, tmpdir, dev);
+
+ run_command(cmd);
+
+ sprintf(filepnm, "%s/%s", tmpdir, MDT_LOGS_DIR);
+ if (lsd.lsd_osd_index > 0) {
+ printf("non-flagged OST, index %d\n",
+ lsd.lsd_osd_index);
+ } else {
+ /* If there's a LOGS dir, it's an MDT */
+ if ((ret = access(filepnm, F_OK)) == 0) {
+ /* Old MDT's are always index 0
+ (pre CMD) */
+ printf("non-flagged MDS, index 0\n");
+ } else {
+ printf("non-flagged OST, index unknown\n");
+ }
+ }
+ }
+
out_close:
- fclose(filep);
+ fclose(filep);
out_rmdir:
- memset(cmd, 0, sizeof(cmd));
- sprintf(cmd, "rm -rf %s", tmpdir);
- run_command(cmd);
- return ret;
+ memset(cmd, 0, sizeof(cmd));
+ sprintf(cmd, "rm -rf %s", tmpdir);
+ run_command(cmd);
+ return ret;
}
git://git.whamcloud.com / fs / lustre-release.git / blobdiff