#include <stdarg.h>
#include <sys/stat.h>
#include <sys/types.h>
+#ifdef HAVE_LINUX_TYPES_H
#include <linux/types.h>
+#else
+#include "types.h"
+#endif
+#ifdef HAVE_LINUX_UNISTD_H
#include <linux/unistd.h>
-
+#else
+#include <unistd.h>
+#endif
#include <liblustre.h>
#include <linux/obd.h>
#include <linux/lustre_lib.h>
{
struct lov_user_md lum = { 0 };
int fd, rc = 0;
+ int isdir = 0;
/* Initialize IOCTL striping pattern structure */
lum.lmm_magic = LOV_USER_MAGIC;
lum.lmm_stripe_offset = stripe_offset;
fd = open(name, O_CREAT | O_RDWR | O_LOV_DELAY_CREATE, 0644);
- if (errno == EISDIR)
+ if (errno == EISDIR) {
fd = open(name, O_DIRECTORY | O_RDONLY);
+ isdir++;
+ }
if (fd < 0) {
err_msg("unable to open '%s'",name);
return rc;
}
+ /* setting stripe pattern 0 -1 0 to a dir means to delete it */
+ if (isdir) {
+ if (stripe_size == 0 && stripe_count == 0 &&
+ stripe_offset == -1)
+ lum.lmm_stripe_size = -1;
+ } else {
+ if (stripe_size == -1) {
+ err_msg("deleting file stripe info is not allowed\n");
+ rc = -EPERM;
+ goto out;
+ }
+ }
+
if (ioctl(fd, LL_IOC_LOV_SETSTRIPE, &lum)) {
char *errmsg = "stripe already set";
if (errno != EEXIST && errno != EALREADY)
name, fd, errmsg);
rc = -errno;
}
+out:
+ if (close(fd) < 0) {
+ err_msg("error on close for '%s' (%d)", name, fd);
+ if (rc == 0)
+ rc = -errno;
+ }
+ return rc;
+}
+
+int op_create_dir(char *name, int stripe_count)
+{
+ struct ll_user_mkdir_stripe lums = { 0 };
+ int fd, rc = 0;
+ char *dot = ".";
+ char *dirname;
+
+ dirname = rindex(name, '/');
+ if (!dirname) {
+ dirname = "name";
+ name = dot;
+ } else {
+ *dirname = 0;
+ dirname++;
+ }
+ lums.lums_nstripes = stripe_count;
+ lums.lums_namelen = strlen(dirname);
+ lums.lums_name = dirname;
+ /* XXX: Probably users might want to specify permissions as well? */
+ lums.lums_mode = 0755;
+
+ fd = open(name, O_RDONLY|O_DIRECTORY);
+ if (name != dot)
+ *(dirname-1) = '/';
+ if (fd < 0) {
+ err_msg("unable to open '%s'",name);
+ rc = -errno;
+ return rc;
+ }
+
+ if (ioctl(fd, LL_IOC_MDC_MKDIRSTRIPE, &lums)) {
+ char *errmsg = strerror(errno);
+
+ fprintf(stderr, "error on ioctl for '%s' (%d): %s\n",
+ name, fd, errmsg);
+ rc = -errno;
+ }
if (close(fd) < 0) {
err_msg("error on close for '%s' (%d)", name, fd);
if (rc == 0)
}
struct find_param {
- int recursive;
- int verbose;
- int quiet;
- struct obd_uuid *obduuid;
- int lumlen;
- struct lov_user_md *lum;
- int got_uuids;
- int obdindex;
+ int recursive;
+ int verbose;
+ int quiet;
+ int showfid;
+ struct obd_uuid *obduuid;
+ int datalen;
+ struct lov_user_md *data;
+ int got_uuids;
+ int obdindex;
+ __u32 *obdgens;
};
/* XXX Max obds per lov currently hardcoded to 1000 in lov/lov_obd.c */
static int prepare_find(struct find_param *param)
{
- param->lumlen = lov_mds_md_size(MAX_LOV_UUID_COUNT);
- if ((param->lum = malloc(param->lumlen)) == NULL) {
- err_msg("unable to allocate %d bytes of memory for ioctl",
- param->lumlen);
- return ENOMEM;
+ if (param->showfid) {
+ param->datalen = PATH_MAX + 1;
+ if ((param->data = malloc(param->datalen)) == NULL) {
+ err_msg("unable to allocate %d bytes of memory for ioctl",
+ param->datalen);
+ return ENOMEM;
+ }
+ } else {
+ param->datalen = lov_mds_md_size(MAX_LOV_UUID_COUNT);
+ if ((param->data = malloc(param->datalen)) == NULL) {
+ err_msg("unable to allocate %d bytes of memory for ioctl",
+ param->datalen);
+ return ENOMEM;
+ }
}
-
param->got_uuids = 0;
param->obdindex = OBD_NOT_FOUND;
-
return 0;
}
{
if (param->obduuid)
free(param->obduuid);
- if (param->lum)
- free(param->lum);
+ if (param->data)
+ free(param->data);
}
-int llapi_lov_get_uuids(int fd, struct obd_uuid *uuidp, int *ost_count)
+int llapi_lov_get_uuids(int fd, struct obd_uuid *uuidp,
+ __u32 *obdgens, int *ost_count)
{
struct obd_ioctl_data data = { 0, };
struct lov_desc desc = { 0, };
int max_ost_count, rc;
max_ost_count = (OBD_MAX_IOCTL_BUFFER - size_round(sizeof(data)) -
- size_round(sizeof(desc))) / sizeof(*uuidp);
+ size_round(sizeof(desc))) /
+ (sizeof(*uuidp) + sizeof(*obdgens));
if (max_ost_count > *ost_count)
max_ost_count = *ost_count;
data.ioc_inlbuf1 = (char *)&desc;
data.ioc_inllen2 = size_round(max_ost_count * sizeof(*uuidp));
data.ioc_inlbuf2 = (char *)uuidp;
+ data.ioc_inllen3 = size_round(max_ost_count * sizeof(*obdgens));
+ data.ioc_inlbuf3 = (char *)obdgens;
desc.ld_tgt_count = max_ost_count;
out:
free(buf);
- return 0;
+ return rc;
}
static int setup_obd_uuids(DIR *dir, char *dname, struct find_param *param)
{
struct obd_uuid uuids[1024], *uuidp;
+ __u32 obdgens[1024], *genp;
int obdcount = 1024;
int rc, i;
param->got_uuids = 1;
- rc = llapi_lov_get_uuids(dirfd(dir), uuids, &obdcount);
+ rc = llapi_lov_get_uuids(dirfd(dir), uuids, obdgens, &obdcount);
if (rc != 0)
return (param->obduuid ? rc : 0);
if (param->obduuid) {
for (i = 0, uuidp = uuids; i < obdcount; i++, uuidp++) {
- if (strncmp(param->obduuid->uuid, uuidp->uuid,
+ if (strncmp((char *)param->obduuid->uuid, (char *)uuidp->uuid,
sizeof(*uuidp)) == 0) {
param->obdindex = i;
break;
return EINVAL;
}
} else if (!param->quiet) {
- printf("OBDS:\n");
- for (i = 0, uuidp = uuids; i < obdcount; i++, uuidp++)
- printf("%4d: %s\n", i, uuidp->uuid);
- }
+ printf("OBDS:\tobdidx\t\tobdgen\t\t obduuid\n");
+ uuidp = uuids;
+ genp = obdgens;
+ for (i = 0; i < obdcount; i++, uuidp++, genp++) {
+ if (obd_uuid_empty(uuidp))
+ continue;
+ printf("\t%6u\t%14u\t\t %s\n", i, *genp, uuidp->uuid);
+ }
+ }
return 0;
}
if (body) {
if ((!quiet) && (obdstripe == 1))
- printf("\tobdidx\t\t objid\t\tobjid\t\t group\n");
+ printf("\tobdidx\t\t obdgen\t\t objid\t\tobjid\t\t group\n");
for (i = 0; i < lum->lmm_stripe_count; i++) {
int idx = lum->lmm_objects[i].l_ost_idx;
long long oid = lum->lmm_objects[i].l_object_id;
+ int gen = lum->lmm_objects[i].l_ost_gen;
long long gr = lum->lmm_objects[i].l_object_gr;
if ((obdindex == OBD_NOT_FOUND) || (obdindex == idx))
- printf("\t%6u\t%14llu\t%#13llx\t%14llu%s\n",
- idx, oid, oid, gr,
- obdindex == idx ? " *" : "");
+ printf("\t%6u\t%14u\t%14llu\t%#13llx\t%14lld%s\n",
+ idx, gen, oid, oid, gr,
+ obdindex == idx ? " *" : "");
}
printf("\n");
}
void llapi_lov_dump_user_lmm(struct find_param *param, char *dname, char *fname)
{
- switch(*(__u32 *)param->lum) { /* lum->lmm_magic */
+ switch(*(__u32 *)param->data) { /* lum->lmm_magic */
case LOV_USER_MAGIC_V1:
- lov_dump_user_lmm_v1(param->lum, dname, fname, param->obdindex,
+ lov_dump_user_lmm_v1(param->data, dname, fname, param->obdindex,
param->quiet, param->verbose,
(param->verbose || !param->obduuid));
break;
default:
- printf("unknown lmm_magic: 0x%08X\n", *(__u32 *)param->lum);
+ printf("unknown lmm_magic: 0x%08X\n", *(__u32 *)param->data);
return;
}
}
+void llapi_dump_fid(struct find_param *param, char *dname, char *fname)
+{
+ if (!param->quiet) {
+ int n = 0;
+ char path[PATH_MAX + 1];
+
+ n = snprintf(path, PATH_MAX, "%s/%s",
+ dname, fname);
+
+ if (n > 40)
+ n = 1;
+ else
+ n = 40 - n;
+
+ printf("%s:%*s"DLID4"\n", path, n, "",
+ OLID4((struct lustre_id *)param->data));
+ }
+}
+
int llapi_file_get_stripe(char *path, struct lov_user_md *lum)
{
char *dname, *fname;
if (dname == NULL)
return ENOMEM;
strncpy(dname, path, fname - path);
- dname[fname - path + 1] = '\0';
+ dname[fname - path] = '\0';
fname++;
}
return rc;
}
+int llapi_file_get_fid(char *path, void *data)
+{
+ char *dname, *fname;
+ int fd, rc = 0;
+
+ fname = strrchr(path, '/');
+
+ if (fname == NULL) {
+ dname = (char *)malloc(2);
+ if (dname == NULL)
+ return ENOMEM;
+ strcpy(dname, ".");
+ fname = path;
+ } else {
+ dname = (char *)malloc(fname - path + 1);
+ if (dname == NULL)
+ return ENOMEM;
+ strncpy(dname, path, fname - path);
+ dname[fname - path] = '\0';
+ fname++;
+
+ if (!strlen(fname))
+ fname = ".";
+ }
+
+ if ((fd = open(dname, O_RDONLY)) == -1) {
+ free(dname);
+ return errno;
+ }
+
+ strncpy((char *)data, fname, strlen(fname));
+ if (ioctl(fd, IOC_MDC_SHOWFID, (void *)data) == -1) {
+ close(fd);
+ free(dname);
+ return errno;
+ }
+
+ if (close(fd) == -1)
+ rc = errno;
+
+ free(dname);
+ return rc;
+}
+
/* short term backwards compat only */
int op_get_file_stripe(char *path, struct lov_user_md *lum)
{
{
int rc;
- strncpy((char *)param->lum, fname, param->lumlen);
+ if (param->showfid) {
+ char path[PATH_MAX + 1];
- rc = ioctl(dirfd(dir), IOC_MDC_GETSTRIPE, (void *)param->lum);
- if (rc) {
- if (errno == ENODATA) {
- if (!param->obduuid && !param->quiet)
- fprintf(stderr,
- "%s/%s has no stripe info\n",
+ snprintf(path, PATH_MAX, "%s/%s", dname, fname);
+ rc = llapi_file_get_fid(path, (void *)param->data);
+ if (rc) {
+ err_msg("IOC_MDC_SHOWFID ioctl failed");
+ return rc;
+ }
+ llapi_dump_fid(param, dname, fname);
+ } else {
+ strncpy((char *)param->data, fname, param->datalen);
+ rc = ioctl(dirfd(dir), IOC_MDC_GETSTRIPE, (void *)param->data);
+ if (rc) {
+ if (errno == ENODATA) {
+ if (!param->obduuid && !param->quiet)
+ fprintf(stderr,
+ "%s/%s has no stripe info\n",
+ dname, fname);
+ rc = 0;
+ } else if (errno == EISDIR) {
+ fprintf(stderr, "process_file on directory %s/%s!\n",
dname, fname);
- rc = 0;
- } else if (errno == EISDIR) {
- fprintf(stderr, "process_file on directory %s/%s!\n",
- dname, fname);
- /* add fname to directory list; */
- rc = errno;
- } else {
- err_msg("IOC_MDC_GETSTRIPE ioctl failed");
- rc = errno;
+ /* add fname to directory list; */
+ rc = errno;
+ } else {
+ err_msg("IOC_MDC_GETSTRIPE ioctl failed");
+ rc = errno;
+ }
+ return rc;
}
- return rc;
+ llapi_lov_dump_user_lmm(param, dname, fname);
}
-
- llapi_lov_dump_user_lmm(param, dname, fname);
-
return 0;
}
static int process_dir(DIR *dir, char *dname, struct find_param *param)
{
+ char path[PATH_MAX + 1];
struct dirent64 *dirp;
DIR *subdir;
- char path[1024];
int rc;
- if (!param->got_uuids) {
- rc = setup_obd_uuids(dir, dname, param);
- if (rc)
+ /* retrieve dir's stripe info */
+ if (param->showfid) {
+ rc = llapi_file_get_fid(dname, (void *)param->data);
+ if (rc) {
+ err_msg("IOC_MDC_SHOWFID ioctl failed");
return rc;
- }
+ }
+ llapi_dump_fid(param, dname, "");
+ } else {
+ if (!param->got_uuids) {
+ rc = setup_obd_uuids(dir, dname, param);
+ if (rc)
+ return rc;
+ }
- /* retrieve dir's stripe info */
- strncpy((char *)param->lum, dname, param->lumlen);
- rc = ioctl(dirfd(dir), LL_IOC_LOV_GETSTRIPE, (void *)param->lum);
- if (rc) {
- if (errno == ENODATA) {
- if (!param->obduuid && param->verbose)
- printf("%s/%s has no stripe info\n", dname, "");
- rc = 0;
+ strncpy((char *)param->data, dname, param->datalen);
+ rc = ioctl(dirfd(dir), LL_IOC_LOV_GETSTRIPE, (void *)param->data);
+ if (rc) {
+ if (errno == ENODATA) {
+ if (!param->obduuid && param->verbose)
+ printf("%s/%s has no stripe info\n", dname, "");
+ rc = 0;
+ } else {
+ err_msg("IOC_MDC_GETSTRIPE ioctl failed");
+ return errno;
+ }
} else {
- err_msg("IOC_MDC_GETSTRIPE ioctl failed");
- return errno;
+ llapi_lov_dump_user_lmm(param, dname, "");
}
- } else {
- llapi_lov_dump_user_lmm(param, dname, "");
}
/* Handle the contents of the directory */
* know d_type should be valid for lustre and this
* tool only makes sense for lustre filesystems. */
return EINVAL;
- break;
case DT_DIR:
if (!param->recursive)
break;
err_msg("\"%.40s\" opendir failed", dname);
rc = errno;
} else {
- if (!param->got_uuids)
- rc = setup_obd_uuids(dir, dname, param);
+ if (!param->showfid) {
+ if (!param->got_uuids)
+ rc = setup_obd_uuids(dir, dname, param);
+ }
if (rc == 0)
rc = process_file(dir, dname, fname, param);
closedir(dir);
}
int llapi_find(char *path, struct obd_uuid *obduuid, int recursive,
- int verbose, int quiet)
+ int verbose, int quiet, int showfid)
{
struct find_param param;
int ret = 0;
memset(¶m, 0, sizeof(param));
param.recursive = recursive;
+ param.showfid = showfid;
param.verbose = verbose;
param.quiet = quiet;
if (obduuid) {
char rawbuf[OBD_MAX_IOCTL_BUFFER];
char *bufl = rawbuf;
char *bufp = buf;
- int max = sizeof(rawbuf);
- struct obd_ioctl_data datal;
+ struct obd_ioctl_data datal = { 0, };
struct obd_statfs osfs_buffer;
while(bufp[0] == ' ')
datal.ioc_inlbuf1 = obd_name;
datal.ioc_inllen1 = strlen(obd_name) + 1;
- obd_ioctl_pack(&datal,&bufl,max);
+ rc = obd_ioctl_pack(&datal, &bufl, OBD_MAX_IOCTL_BUFFER);
+ if (rc) {
+ fprintf(stderr, "internal buffer error packing\n");
+ break;
+ }
rc = ioctl(dirfd(opendir(dir)), OBD_IOC_PING,
bufl);