-/* -*- 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) 2011, 2015, Intel Corporation.
*/
/*
* This file is part of Lustre, http://www.lustre.org/
* Lustre is a trademark of Sun Microsystems, Inc.
*/
- /* Interpret configuration llogs */
-
+/** \defgroup llog_reader Lustre Log Reader
+ *
+ * Interpret llogs used for storing configuration and changelog data
+ *
+ * @{
+ */
+#include <errno.h>
#include <stdio.h>
+#include <string.h>
#include <sys/types.h>
#include <sys/stat.h>
+#ifdef HAVE_ENDIAN_H
+# include <endian.h>
+#endif
+#include <unistd.h>
#include <fcntl.h>
-
+#include <sys/vfs.h>
+#include <linux/magic.h>
+#include <errno.h>
#include <time.h>
-#include <liblustre.h>
+#include <lnet/nidstr.h>
#include <lustre/lustre_idl.h>
+#include <lustre/lustreapi.h>
+#include <lustre_log_user.h>
+#include <lustre_cfg.h>
+
+static inline int ext2_test_bit(int nr, const void *addr)
+{
+#if __BYTE_ORDER == __BIG_ENDIAN
+ const unsigned char *tmp = addr;
+ return (tmp[nr >> 3] >> (nr & 7)) & 1;
+#else
+ const unsigned long *tmp = addr;
+ return ((1UL << (nr & (BITS_PER_LONG - 1))) &
+ ((tmp)[nr / BITS_PER_LONG])) != 0;
+#endif
+}
int llog_pack_buffer(int fd, struct llog_log_hdr **llog_buf,
struct llog_rec_hdr ***recs, int *recs_number);
void print_llog_header(struct llog_log_hdr *llog_buf);
-void print_records(struct llog_rec_hdr **recs_buf,int rec_number);
+static void print_records(struct llog_rec_hdr **recs_buf,
+ int rec_number, int is_ext);
void llog_unpack_buffer(int fd, struct llog_log_hdr *llog_buf,
struct llog_rec_hdr **recs_buf);
""
};
-int main(int argc, char **argv)
+int is_fstype_ext(int fd)
{
- int rc = 0;
- int fd, rec_number;
- struct llog_log_hdr *llog_buf = NULL;
- struct llog_rec_hdr **recs_buf = NULL;
-
- setlinebuf(stdout);
-
- if(argc != 2 ){
- printf("Usage: llog_reader filename\n");
- return -1;
- }
+ struct statfs st;
+ int rc;
- fd = open(argv[1],O_RDONLY);
- if (fd < 0){
- printf("Could not open the file %s\n", argv[1]);
- goto out;
- }
- rc = llog_pack_buffer(fd, &llog_buf, &recs_buf, &rec_number);
- if (rc < 0) {
- printf("Could not pack buffer; rc=%d\n", rc);
- goto out_fd;
- }
+ rc = fstatfs(fd, &st);
+ if (rc < 0) {
+ llapi_error(LLAPI_MSG_ERROR, rc, "Got statfs error.");
+ return -errno;
+ }
- print_llog_header(llog_buf);
- print_records(recs_buf,rec_number);
- llog_unpack_buffer(fd,llog_buf,recs_buf);
-out_fd:
- close(fd);
-out:
- return rc;
+ return (st.f_type == EXT4_SUPER_MAGIC);
}
-
-int llog_pack_buffer(int fd, struct llog_log_hdr **llog,
- struct llog_rec_hdr ***recs,
- int *recs_number)
+/**
+ * Attempt to display a path to the object (file) containing changelog entries,
+ * referred to by this changelog_catalog record.
+ *
+ * This path depends on the implementation of the OSD device; zfs-osd and
+ * ldiskfs-osd are different.
+ *
+ * Assumes that if the file system containing the changelog_catalog is
+ * ext{2,3,4}, the backend is ldiskfs-osd; otherwise it is either zfs-osd or at
+ * least names objects based on FID and the zfs-osd path (which includes the
+ * FID) will be sufficient.
+ *
+ * The Object ID stored in the record is also displayed untranslated.
+ */
+#define OSD_OI_FID_NR (1UL << 7)
+static void print_log_path(struct llog_logid_rec *lid, int is_ext)
{
- int rc = 0, recs_num,rd;
- off_t file_size;
- struct stat st;
- char *file_buf=NULL, *recs_buf=NULL;
- struct llog_rec_hdr **recs_pr=NULL;
- char *ptr=NULL;
- int i;
- rc = fstat(fd,&st);
- if (rc < 0){
- printf("Get file stat error.\n");
- goto out;
- }
- file_size = st.st_size;
+ char object_path[255];
+ struct lu_fid fid_from_logid;
- file_buf = malloc(file_size);
- if (file_buf == NULL){
- printf("Memory Alloc for file_buf error.\n");
- rc = -ENOMEM;
- goto out;
- }
- *llog = (struct llog_log_hdr*)file_buf;
+ logid_to_fid(&lid->lid_id, &fid_from_logid);
- rd = read(fd,file_buf,file_size);
- if (rd < file_size){
- printf("Read file error.\n");
- rc = -EIO; /*FIXME*/
- goto clear_file_buf;
- }
+ if (is_ext)
+ snprintf(object_path, sizeof(object_path),
+ "O/"LPU64"/d%u/%u", fid_from_logid.f_seq,
+ fid_from_logid.f_oid % 32, fid_from_logid.f_oid);
+ else
+ snprintf(object_path, sizeof(object_path),
+ "oi."LPU64"/"DFID_NOBRACE,
+ fid_from_logid.f_seq & (OSD_OI_FID_NR - 1) ,
+ PFID(&fid_from_logid));
- /* the llog header not countable here.*/
- recs_num = le32_to_cpu((*llog)->llh_count)-1;
+ printf("ogen=%X id="DOSTID" path=%s\n",
+ lid->lid_id.lgl_ogen, POSTID(&lid->lid_id.lgl_oi),
+ object_path);
+}
- recs_buf = malloc(recs_num * sizeof(struct llog_rec_hdr *));
- if (recs_buf == NULL){
- printf("Memory Alloc for recs_buf error.\n");
- rc = -ENOMEM;
- goto clear_file_buf;
- }
- recs_pr = (struct llog_rec_hdr **)recs_buf;
+int main(int argc, char **argv)
+{
+ int rc = 0;
+ int is_ext;
+ int fd, rec_number;
+ struct llog_log_hdr *llog_buf = NULL;
+ struct llog_rec_hdr **recs_buf = NULL;
+
+ setlinebuf(stdout);
+
+ if (argc != 2) {
+ printf("Usage: llog_reader filename\n");
+ return -1;
+ }
+
+ fd = open(argv[1], O_RDONLY);
+ if (fd < 0) {
+ rc = -errno;
+ llapi_error(LLAPI_MSG_ERROR, rc, "Could not open the file %s.",
+ argv[1]);
+ goto out;
+ }
+
+ is_ext = is_fstype_ext(fd);
+ if (is_ext < 0) {
+ printf("Unable to determine type of filesystem containing %s\n",
+ argv[1]);
+ goto out;
+ }
+
+ rc = llog_pack_buffer(fd, &llog_buf, &recs_buf, &rec_number);
+ if (rc < 0) {
+ llapi_error(LLAPI_MSG_ERROR, rc, "Could not pack buffer.");
+ goto out_fd;
+ }
+
+ print_llog_header(llog_buf);
+ print_records(recs_buf, rec_number, is_ext);
+ llog_unpack_buffer(fd, llog_buf, recs_buf);
- ptr = file_buf + le32_to_cpu((*llog)->llh_hdr.lrh_len);
- i = 0;
+out_fd:
+ close(fd);
+out:
+ return rc;
+}
- while (i < recs_num){
- struct llog_rec_hdr *cur_rec = (struct llog_rec_hdr*)ptr;
- int idx = le32_to_cpu(cur_rec->lrh_index);
- recs_pr[i] = cur_rec;
- if (ext2_test_bit(idx, (*llog)->llh_bitmap)) {
- if (le32_to_cpu(cur_rec->lrh_type) != OBD_CFG_REC)
- printf("rec #%d type=%x len=%u\n", idx,
- cur_rec->lrh_type, cur_rec->lrh_len);
- } else {
- printf("Bit %d of %d not set\n", idx, recs_num);
- cur_rec->padding = CANCELLED;
- /* The header counts only set records */
- i--;
- }
-
- ptr += le32_to_cpu(cur_rec->lrh_len);
- if ((ptr - file_buf) > file_size) {
- printf("The log is corrupt (too big at %d)\n", i);
- rc = -EINVAL;
- goto clear_recs_buf;
- }
- i++;
- }
- *recs = recs_pr;
- *recs_number = recs_num;
+int llog_pack_buffer(int fd, struct llog_log_hdr **llog,
+ struct llog_rec_hdr ***recs,
+ int *recs_number)
+{
+ int rc = 0, recs_num, rd = 0;
+ long long file_size;
+ struct stat st;
+ char *file_buf = NULL, *recs_buf = NULL;
+ struct llog_rec_hdr **recs_pr = NULL;
+ char *ptr = NULL;
+ int i;
+
+ rc = fstat(fd, &st);
+ if (rc < 0) {
+ rc = -errno;
+ llapi_error(LLAPI_MSG_ERROR, rc, "Got file stat error.");
+ goto out;
+ }
+
+ file_size = st.st_size;
+ if (file_size < sizeof(**llog)) {
+ llapi_error(LLAPI_MSG_ERROR, rc,
+ "File too small for llog header: "
+ "need %zd, size %lld\n",
+ sizeof(**llog), file_size);
+ rc = -EIO;
+ goto out;
+ }
+
+ file_buf = malloc(file_size);
+ if (file_buf == NULL) {
+ rc = -ENOMEM;
+ llapi_error(LLAPI_MSG_ERROR, rc, "Memory Alloc for file_buf.");
+ goto out;
+ }
+ *llog = (struct llog_log_hdr *)file_buf;
+
+ do {
+ rc = read(fd, file_buf + rd, file_size - rd);
+ if (rc > 0)
+ rd += rc;
+ } while (rc > 0 && rd < file_size);
+
+ if (rd < file_size) {
+ rc = rc < 0 ? -errno : -EIO;
+ llapi_error(LLAPI_MSG_ERROR, rc,
+ "Error reading llog header: need %zd, got %d",
+ sizeof(**llog), rd);
+ goto clear_file_buf;
+ }
+
+ /* the llog header not countable here.*/
+ recs_num = le32_to_cpu((*llog)->llh_count) - 1;
+
+ recs_buf = malloc(recs_num * sizeof(**recs_pr));
+ if (recs_buf == NULL) {
+ rc = -ENOMEM;
+ llapi_error(LLAPI_MSG_ERROR, rc,
+ "Error allocating %zd bytes for recs_buf",
+ recs_num * sizeof(**recs_pr));
+ goto clear_file_buf;
+ }
+ recs_pr = (struct llog_rec_hdr **)recs_buf;
+
+ ptr = file_buf + le32_to_cpu((*llog)->llh_hdr.lrh_len);
+ i = 0;
+
+ while (ptr < (file_buf + file_size)) {
+ struct llog_rec_hdr *cur_rec;
+ int idx;
+ unsigned long offset;
+
+ if (ptr + sizeof(**recs_pr) > file_buf + file_size) {
+ rc = -EINVAL;
+ llapi_error(LLAPI_MSG_ERROR, rc,
+ "The log is corrupt (too big at %d)", i);
+ goto clear_recs_buf;
+ }
+
+ cur_rec = (struct llog_rec_hdr *)ptr;
+ idx = le32_to_cpu(cur_rec->lrh_index);
+ recs_pr[i] = cur_rec;
+ offset = (unsigned long)ptr - (unsigned long)file_buf;
+ if (cur_rec->lrh_len == 0 ||
+ cur_rec->lrh_len > (*llog)->llh_hdr.lrh_len) {
+ cur_rec->lrh_len = (*llog)->llh_hdr.lrh_len -
+ offset % (*llog)->llh_hdr.lrh_len;
+ printf("off %lu skip %u to next chunk.\n", offset,
+ cur_rec->lrh_len);
+ i--;
+ } else if (ext2_test_bit(idx, LLOG_HDR_BITMAP(*llog))) {
+ printf("rec #%d type=%x len=%u offset %lu\n", idx,
+ cur_rec->lrh_type, cur_rec->lrh_len, offset);
+ } else {
+ printf("Bit %d of %d not set\n", idx, recs_num);
+ cur_rec->lrh_id = CANCELLED;
+ /* The header counts only set records */
+ i--;
+ }
+
+ ptr += le32_to_cpu(cur_rec->lrh_len);
+ if ((ptr - file_buf) > file_size) {
+ printf("The log is corrupt (too big at %d)\n", i);
+ rc = -EINVAL;
+ goto clear_recs_buf;
+ }
+ i++;
+ }
+
+ *recs = recs_pr;
+ *recs_number = recs_num;
out:
- return rc;
+ return rc;
clear_recs_buf:
- free(recs_buf);
+ free(recs_buf);
clear_file_buf:
- free(file_buf);
+ free(file_buf);
- *llog=NULL;
- goto out;
+ *llog = NULL;
+ goto out;
}
void llog_unpack_buffer(int fd, struct llog_log_hdr *llog_buf,
printf("setup ");
print_1_cfg(lcfg);
}
-
+
return;
}
}
case(LCFG_SET_TIMEOUT):{
printf("set_timeout=%d ", lcfg->lcfg_num);
- print_1_cfg(lcfg);
+ break;
+ }
+ case(LCFG_SET_LDLM_TIMEOUT):{
+ printf("set_ldlm_timeout=%d ", lcfg->lcfg_num);
break;
}
case(LCFG_SET_UPCALL):{
print_1_cfg(lcfg);
break;
}
- case(LCFG_PARAM):{
- printf("param ");
+ case(LCFG_PARAM):{
+ printf("param ");
+ print_1_cfg(lcfg);
+ break;
+ }
+ case(LCFG_SET_PARAM):{
+ printf("set_param ");
+ print_1_cfg(lcfg);
+ break;
+ }
+ case(LCFG_SPTLRPC_CONF):{
+ printf("sptlrpc_conf ");
print_1_cfg(lcfg);
break;
}
char createtime[26], canceltime[26] = "";
time_t time_tmp;
- if (marker->cm_flags & CM_SKIP) {
- if (marker->cm_flags & CM_START) {
- printf("SKIP START ");
- (*skip)++;
- } else {
- printf( "END ");
- *skip = 0;
- }
- }
-
- if (marker->cm_flags & CM_EXCLUDE) {
- if (marker->cm_flags & CM_START)
- printf("EXCLUDE START ");
- else
- printf("EXCLUDE END ");
- }
+ if (marker->cm_flags & CM_START &&
+ marker->cm_flags & CM_SKIP) {
+ printf("SKIP START ");
+ (*skip)++;
+ } else if (marker->cm_flags & CM_END) {
+ printf( "END ");
+ *skip = 0;
+ }
+
+ if (marker->cm_flags & CM_EXCLUDE) {
+ if (marker->cm_flags & CM_START)
+ printf("EXCLUDE START ");
+ else
+ printf("EXCLUDE END ");
+ }
/* Handle overflow of 32-bit time_t gracefully.
* The copy to time_tmp is needed in any case to
return;
}
-void print_records(struct llog_rec_hdr **recs, int rec_number)
+static void print_hsm_action(struct llog_agent_req_rec *larr)
{
- __u32 lopt;
- int i, skip = 0;
-
- for(i = 0; i < rec_number; i++) {
- printf("#%.2d (%.3d)", le32_to_cpu(recs[i]->lrh_index),
- le32_to_cpu(recs[i]->lrh_len));
-
- lopt = le32_to_cpu(recs[i]->lrh_type);
-
- if (recs[i]->padding == CANCELLED)
- printf("NOT SET ");
-
- if (lopt == OBD_CFG_REC) {
- struct lustre_cfg *lcfg;
- lcfg = (struct lustre_cfg *)((char*)(recs[i]) +
- sizeof(struct llog_rec_hdr));
- print_lustre_cfg(lcfg, &skip);
- } else if (lopt == LLOG_PAD_MAGIC) {
- printf("padding\n");
- } else
- printf("unknown type %x\n", lopt);
- }
+ char buf[12];
+ int sz;
+
+ sz = larr->arr_hai.hai_len - sizeof(larr->arr_hai);
+ printf("lrh=[type=%X len=%d idx=%d] fid="DFID
+ " compound/cookie="LPX64"/"LPX64
+ " status=%s action=%s archive#=%d flags="LPX64
+ " create="LPU64" change="LPU64
+ " extent="LPX64"-"LPX64" gid="LPX64" datalen=%d"
+ " data=[%s]\n",
+ larr->arr_hdr.lrh_type,
+ larr->arr_hdr.lrh_len, larr->arr_hdr.lrh_index,
+ PFID(&larr->arr_hai.hai_fid),
+ larr->arr_compound_id, larr->arr_hai.hai_cookie,
+ agent_req_status2name(larr->arr_status),
+ hsm_copytool_action2name(larr->arr_hai.hai_action),
+ larr->arr_archive_id,
+ larr->arr_flags,
+ larr->arr_req_create, larr->arr_req_change,
+ larr->arr_hai.hai_extent.offset,
+ larr->arr_hai.hai_extent.length,
+ larr->arr_hai.hai_gid, sz,
+ hai_dump_data_field(&larr->arr_hai, buf, sizeof(buf)));
}
+
+void print_changelog_rec(struct llog_changelog_rec *rec)
+{
+ printf("changelog record id:0x%x cr_flags:0x%x cr_type:%s(0x%x)\n",
+ le32_to_cpu(rec->cr_hdr.lrh_id),
+ le32_to_cpu(rec->cr.cr_flags),
+ changelog_type2str(le32_to_cpu(rec->cr.cr_type)),
+ le32_to_cpu(rec->cr.cr_type));
+}
+
+static void print_records(struct llog_rec_hdr **recs,
+ int rec_number, int is_ext)
+{
+ __u32 lopt;
+ int i, skip = 0;
+
+ for (i = 0; i < rec_number; i++) {
+ printf("#%.2d (%.3d)", le32_to_cpu(recs[i]->lrh_index),
+ le32_to_cpu(recs[i]->lrh_len));
+
+ lopt = le32_to_cpu(recs[i]->lrh_type);
+
+ if (recs[i]->lrh_id == CANCELLED)
+ printf("NOT SET ");
+
+ switch (lopt) {
+ case OBD_CFG_REC:
+ print_lustre_cfg(
+ (struct lustre_cfg *)((char *)(recs[i]) +
+ sizeof(struct llog_rec_hdr)), &skip);
+ break;
+ case LLOG_PAD_MAGIC:
+ printf("padding\n");
+ break;
+ case LLOG_LOGID_MAGIC:
+ print_log_path((struct llog_logid_rec *)recs[i],
+ is_ext);
+ break;
+ case HSM_AGENT_REC:
+ print_hsm_action((struct llog_agent_req_rec *)recs[i]);
+ break;
+ case CHANGELOG_REC:
+ print_changelog_rec((struct llog_changelog_rec *)
+ recs[i]);
+ break;
+ case CHANGELOG_USER_REC:
+ printf("changelog_user record id:0x%x\n",
+ le32_to_cpu(recs[i]->lrh_id));
+ break;
+ default:
+ printf("unknown type %x\n", lopt);
+ break;
+ }
+ }
+}
+
+/** @} llog_reader */
git://git.whamcloud.com / fs / lustre-release.git / blobdiff