#include <libcfs/libcfsutil.h>
#include <lustre/liblustreapi.h>
#include <lustre/lustre_idl.h>
-#include <lustre/lreplicate.h>
+#include "lreplicate.h"
#define REPLICATE_STATUS_VER 1
#define CLEAR_INTERVAL 100
long long rsync_threshold = DEFAULT_RSYNC_THRESHOLD;
int quit; /* Flag to stop processing the changelog; set on the
receipt of a signal */
+int abort_on_err = 0;
+
char rsync[PATH_MAX];
char rsync_ver[PATH_MAX];
struct lr_parent_child_list *parents;
{"mdt", required_argument, 0, 'm'},
{"user", required_argument, 0, 'u'},
{"statuslog", required_argument, 0, 'l'},
- {"verbose", no_argument, 0, 'v'},
+ {"verbose", no_argument, 0, 'v'},
{"xattr", required_argument, 0, 'x'},
- {"dry-run", no_argument, 0, 'z'},
+ {"dry-run", no_argument, 0, 'z'},
/* Undocumented options follow */
{"cl-clear", required_argument, 0, 'c'},
- {"use-rsync", no_argument, 0, 'r'},
+ {"use-rsync", no_argument, 0, 'r'},
{"rsync-threshold", required_argument, 0, 'y'},
{"start-recno", required_argument, 0, 'n'},
+ {"abort-on-err",no_argument, 0, 'a'},
{"debug", required_argument, 0, 'd'},
- {0, 0, 0, 0}
+ {0, 0, 0, 0}
};
/* Command line usage */
"-m <mdt> -r <user id> -l <status log>\n"
"lreplicate can also pick up parameters from a "
"status log created earlier.\n"
- "\tlreplicate -l <log_file>\n");
+ "\tlreplicate -l <log_file>\n"
+ "options:\n"
+ "\t--xattr <yes|no> replicate EAs\n"
+ "\t--abort-on-err abort at first err\n"
+ "\t--verbose\n"
+ "\t--dry-run don't write anything\n");
}
/* Print debug information. This is controlled by the value of the
long long recno = -1;
int rc;
- rc = llapi_fid2path(status->ls_mdt_device, fidstr, info->path,
+ rc = llapi_fid2path(status->ls_source, fidstr, info->path,
PATH_MAX, &recno, &linkno);
if (rc < 0 && rc != -ENOENT) {
fprintf(stderr, "fid2path error: (%s, %s) %d %s\n",
- status->ls_mdt_device, fidstr,
- -rc, strerror(errno = -rc));
+ status->ls_source, fidstr, -rc, strerror(errno = -rc));
}
return rc;
void lr_get_FID_PATH(char *mntpt, char *fidstr, char *buf, int bufsize)
{
/* Open-by-FID path is <mntpt>/.lustre/fid/[SEQ:OID:VER] */
- snprintf(buf, bufsize, "%s/%s/fid/%s", mntpt, mdd_dot_lustre_name,
- fidstr + 2);
+ snprintf(buf, bufsize, "%s/%s/fid/%s", mntpt, dot_lustre_name,
+ fidstr);
return;
}
p = calloc(1, sizeof(*p));
if (!p)
return -ENOMEM;
- strcpy(p->pc_log.pcl_pfid, pfid + 2);
- strcpy(p->pc_log.pcl_tfid, tfid + 2);
+ strcpy(p->pc_log.pcl_pfid, pfid);
+ strcpy(p->pc_log.pcl_tfid, tfid);
strcpy(p->pc_log.pcl_name, name);
p->pc_next = parents;
struct lr_parent_child_list *curr, *prev;
for (prev = curr = parents; curr; prev = curr, curr = curr->pc_next) {
- if (strcmp(curr->pc_log.pcl_pfid, pfid + 2) == 0 &&
- strcmp(curr->pc_log.pcl_tfid, tfid + 2) == 0) {
+ if (strcmp(curr->pc_log.pcl_pfid, pfid) == 0 &&
+ strcmp(curr->pc_log.pcl_tfid, tfid) == 0) {
if (curr == parents)
parents = curr->pc_next;
else
snprintf(info->dest, PATH_MAX, "%s/%s/%s",
status->ls_targets[info->target_no], SPECIAL_DIR,
- info->tfid + 2);
+ info->tfid);
rc = lr_mkfile(info);
if (rc)
snprintf(info->dest, PATH_MAX, "%s/%s/%s",
status->ls_targets[info->target_no], SPECIAL_DIR,
- info->tfid + 2);
+ info->tfid);
rc = lr_rmfile(info);
if (rc)
int mkspecial = 0;
/* Is target FID present on the source? */
- rc = lr_get_path(info, info->tfid + 3);
+ rc = lr_get_path(info, info->tfid);
if (rc == -ENOENT) {
/* Source file has disappeared. Not an error. */
lr_debug(DINFO, "create: tfid %s not found on"
strcpy(info->savedpath, info->path);
/* Is parent FID present on the source */
- rc = lr_get_path(info, info->pfid + 3);
+ rc = lr_get_path(info, info->pfid);
if (rc == -ENOENT) {
lr_debug(DINFO, "create: pfid %s not found on source-fs\n",
info->tfid);
if (!rc1)
continue;
- rc1 = lr_get_path(info, info->pfid + 3);
+ rc1 = lr_get_path(info, info->pfid);
if (rc1 == -ENOENT) {
lr_debug(DINFO, "remove: pfid %s not found\n",
info->pfid);
int special_src = 0;
int special_dest = 0;
- rc_dest = lr_get_path(ext, ext->pfid + 3);
+ rc_dest = lr_get_path(ext, ext->pfid);
if (rc_dest < 0 && rc_dest != -ENOENT)
return rc_dest;
- rc_src = lr_get_path(info, info->pfid + 3);
+ rc_src = lr_get_path(info, info->pfid);
if (rc_src < 0 && rc_src != -ENOENT)
return rc_src;
if (rc_dest == -ENOENT) {
snprintf(info->dest, PATH_MAX, "%s/%s/%s",
status->ls_targets[info->target_no],
- SPECIAL_DIR, info->tfid + 2);
+ SPECIAL_DIR, info->tfid);
special_dest = 1;
}
errno == ENOENT)) {
snprintf(info->src, PATH_MAX, "%s/%s/%s",
status->ls_targets[info->target_no],
- SPECIAL_DIR, info->tfid + 2);
+ SPECIAL_DIR, info->tfid);
special_src = 1;
}
if (special_src) {
lr_remove_pc(info->pfid, info->tfid);
if (!special_dest)
- lr_cascade_move(info->tfid + 2, info->dest, info);
+ lr_cascade_move(info->tfid, info->dest, info);
}
if (special_dest)
lr_add_pc(ext->pfid, info->tfid, ext->name);
/* Search through the hardlinks to get the src and dest */
for (i = 0; i < st.st_nlink && (info->src[0] == 0 ||
info->dest[0] == 0); i++) {
- rc1 = lr_get_path_ln(info, info->tfid + 3, i);
+ rc1 = lr_get_path_ln(info, info->tfid, i);
+ lr_debug(rc1 ? 0:DTRACE, "\tfid2path %s, %s, %d rc=%d\n",
+ info->path, info->name, i, rc1);
if (rc1)
break;
- else
- lr_debug(DTRACE, "\tfid2path %s, %s, %d\n",
- info->path, info->name, i);
len = strlen(info->path) - strlen(info->name);
if (len > 0 && strcmp(info->path + len,
if (info->src[0] == 0)
snprintf(info->src, PATH_MAX, "%s/%s/%s",
status->ls_targets[info->target_no],
- SPECIAL_DIR, info->tfid + 2);
+ SPECIAL_DIR, info->tfid);
else if (info->dest[0] == 0)
snprintf(info->dest, PATH_MAX, "%s/%s/%s",
status->ls_targets[info->target_no],
- SPECIAL_DIR, info->tfid + 2);
+ SPECIAL_DIR, info->tfid);
rc1 = link(info->src, info->dest);
- lr_debug(DINFO, "link: %s [to] %s; rc1=%d,errno=%d\n",
- info->src, info->dest, rc1, errno);
+ lr_debug(rc1?0:DINFO, "link: %s [to] %s; rc1=%d %s\n",
+ info->src, info->dest, rc1, strerror(errno));
if (rc1)
rc = rc1;
lr_get_FID_PATH(status->ls_source, info->tfid, info->src, PATH_MAX);
- rc = lr_get_path(info, info->tfid + 3);
+ rc = lr_get_path(info, info->tfid);
if (rc == -ENOENT)
lr_debug(DINFO, "setattr: %s not present on source-fs\n",
info->src);
lr_get_FID_PATH(status->ls_source, info->tfid, info->src, PATH_MAX);
- rc = lr_get_path(info, info->tfid + 3);
+ rc = lr_get_path(info, info->tfid);
if (rc == -ENOENT)
lr_debug(DINFO, "setxattr: %s not present on source-fs\n",
info->src);
}
/* Parse a line of changelog entry */
-int lr_parse_line(struct lr_info *info, FILE *fp)
+int lr_parse_line(void *priv, struct lr_info *info)
{
- unsigned long long time;
- unsigned int flags;
- char typestr[TYPE_STR_LEN];
- char line[PATH_MAX];
- char *str;
- int i;
+ struct changelog_rec *rec;
- if (fgets(line, sizeof(line), fp) != NULL) {
- if (sscanf(line, "%llu %s %llu %x %s %s",
- &info->recno, typestr, &time,
- &flags, info->tfid, info->pfid) < 4) {
- fprintf(stderr, "error: unexpected changelog record "
- "format - %s\n", line);
- return -1;
- }
- typestr[2] = '\0';
- info->type = atoi(typestr);
-
- /* The filename could have spaces in it. scanf would
- have ignored it. Parse for the complete
- filename. */
- if (info->type != CL_SETATTR &&
- info->type != CL_XATTR &&
- info->type != CL_MARK) {
- for (i = 0, str = line; str != NULL && i <= 5;
- i++, str++){
- str = strchr(str, ' ');
- }
- if (str) {
- strncpy(info->name, str, PATH_MAX);
- str = strchr(info->name, '\n');
- if (str)
- str[0] = '\0';
- } else {
- fprintf(stderr, "error: unexpected changelog "
- "record format - %s\n", line);
- return -1;
- }
- }
- rec_count++;
- } else {
+ if (llapi_changelog_recv(priv, &rec) != 0)
return -1;
- }
+
+ info->recno = rec->cr_index;
+ info->type = rec->cr_type;
+ sprintf(info->tfid, DFID, PFID(&rec->cr_tfid));
+ sprintf(info->pfid, DFID, PFID(&rec->cr_pfid));
+ strncpy(info->name, rec->cr_name, rec->cr_namelen);
+ info->name[rec->cr_namelen] = '\0';
+
+ llapi_changelog_free(&rec);
+
+ rec_count++;
return 0;
}
printf("Using rsync: %s (%s)\n", rsync, rsync_ver);
}
+void lr_print_failure(struct lr_info *info, int rc)
+{
+ fprintf(stderr, "Replication of operation failed(%d):"
+ " %lld %s (%d) %s %s %s\n", rc, info->recno,
+ changelog_type2str(info->type), info->type, info->tfid,
+ info->pfid, info->name);
+}
+
/* Replicate filesystem operations from src_path to target_path */
int lr_replicate()
{
- int fd;
- FILE *fp;
- long long startrec;
+ void *changelog_priv;
struct lr_info *info;
struct lr_info *ext;
time_t start;
info = calloc(1, sizeof(struct lr_info));
if (info == NULL)
return -ENOMEM;
-
+
rc = llapi_search_fsname(status->ls_source, status->ls_source_fs);
if (rc) {
fprintf(stderr, "Source path is not a valid Lustre client "
lr_print_status(info);
/* Open changelogs for consumption*/
- startrec = status->ls_last_recno;
- fd = llapi_changelog_open(status->ls_source_fs, startrec);
- if (fd < 0) {
+ rc = llapi_changelog_start(&changelog_priv, 0, status->ls_source_fs,
+ status->ls_last_recno);
+ if (rc < 0) {
fprintf(stderr, "Error opening changelog file for fs %s.\n",
status->ls_source_fs);
- return fd;
- }
- if ((fp = fdopen(fd, "r")) == NULL) {
- fprintf(stderr, "Error: fdopen failed.");
- close(fd);
- return -errno;
+ return rc;
}
- while (!quit && lr_parse_line(info, fp) == 0) {
+ while (!quit && lr_parse_line(changelog_priv, info) == 0) {
rc = 0;
if (info->type == CL_RENAME)
/* Rename operations have an additional changelog
record of information. */
- lr_parse_line(ext, fp);
+ lr_parse_line(changelog_priv, ext);
if (dryrun)
continue;
break;
}
if (rc && rc != -ENOENT) {
- fprintf(stderr, "Replication of operation %d, "
- "index %lld failed: %d\n",
- info->type, info->recno, rc);
+ lr_print_failure(info, rc);
errors++;
+ if (abort_on_err)
+ break;
}
lr_clear_cl(info, 0);
if (debug) {
}
}
+ llapi_changelog_fini(&changelog_priv);
+
if (errors || verbose)
printf("Errors: %d\n", errors);
printf("Changelog records consumed: %lld\n", rec_count);
}
- close(fd);
- fclose(fp);
-
return 0;
}
if ((rc = lr_init_status()) != 0)
return rc;
- while ((c = getopt_long(argc, argv, "s:t:m:u:l:vx:zc:ry:n:d:",
+ while ((c = getopt_long(argc, argv, "as:t:m:u:l:vx:zc:ry:n:d:",
long_opts, NULL)) >= 0) {
switch (c) {
+ case 'a':
+ /* Assume absolute paths */
+ abort_on_err++;
+ break;
case 's':
/* Assume absolute paths */
strncpy(status->ls_source, optarg, PATH_MAX);
(void) lr_read_log();
break;
case 'v':
- verbose = 1;
+ verbose++;
break;
case 'x':
if (strcmp("no", optarg) == 0) {