*
*/
-
/* for O_DIRECTORY */
#define _GNU_SOURCE
#include <string.h>
#include <stddef.h>
#include <sys/ioctl.h>
-#include <errno.h>
#include <unistd.h>
#include <fcntl.h>
+#include <errno.h>
#include <dirent.h>
#include <stdarg.h>
#include <sys/stat.h>
#include <sys/types.h>
-#ifdef HAVE_LINUX_TYPES_H
-#include <linux/types.h>
-#else
-#include "types.h"
+#include <sys/syscall.h>
+#include <fnmatch.h>
+#ifdef HAVE_ASM_TYPES_H
+#include <asm/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>
-#include <linux/lustre_acl.h>
-#include <lustre/lustre_user.h>
-#include <linux/obd_lov.h>
-#include <portals/ptlctl.h>
+#include <lnet/lnetctl.h>
+#include <obd.h>
+#include <lustre_lib.h>
+#include <obd_lov.h>
+#include <lustre/liblustreapi.h>
static void err_msg(char *fmt, ...)
{
va_list args;
- int tmp_errno = errno;
+ int tmp_errno = abs(errno);
va_start(args, fmt);
vfprintf(stderr, fmt, args);
fprintf(stderr, ": %s (%d)\n", strerror(tmp_errno), tmp_errno);
}
-int llapi_file_create(char *name, long stripe_size, int stripe_offset,
- int stripe_count, int stripe_pattern)
+int llapi_file_open(const char *name, int flags, int mode,
+ unsigned long stripe_size, int stripe_offset,
+ int stripe_count, int stripe_pattern)
{
struct lov_user_md lum = { 0 };
int fd, rc = 0;
int isdir = 0;
+ int page_size;
- /* Initialize IOCTL striping pattern structure */
- lum.lmm_magic = LOV_USER_MAGIC;
- lum.lmm_pattern = stripe_pattern;
- lum.lmm_stripe_size = stripe_size;
- lum.lmm_stripe_count = stripe_count;
- lum.lmm_stripe_offset = stripe_offset;
-
- fd = open(name, O_CREAT | O_RDWR | O_LOV_DELAY_CREATE, 0644);
- if (errno == EISDIR) {
+ fd = open(name, flags | O_LOV_DELAY_CREATE, mode);
+ if (fd < 0 && errno == EISDIR) {
fd = open(name, O_DIRECTORY | O_RDONLY);
isdir++;
}
if (fd < 0) {
- err_msg("unable to open '%s'",name);
rc = -errno;
+ 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;
- }
+ /* 64 KB is the largest common page size I'm aware of (on ia64), but
+ * check the local page size just in case. */
+ page_size = LOV_MIN_STRIPE_SIZE;
+ if (getpagesize() > page_size) {
+ page_size = getpagesize();
+ fprintf(stderr, "warning: your page size (%u) is larger than "
+ "expected (%u).\n", page_size, LOV_MIN_STRIPE_SIZE);
+ }
+ if (stripe_size < 0 || (stripe_size & (LOV_MIN_STRIPE_SIZE - 1))) {
+ errno = rc = -EINVAL;
+ err_msg("error: bad stripe_size %lu, must be an even "
+ "multiple of %d bytes", stripe_size, page_size);
+ goto out;
+ }
+ if (stripe_offset < -1 || stripe_offset > MAX_OBD_DEVICES) {
+ errno = rc = -EINVAL;
+ err_msg("error: bad stripe offset %d", stripe_offset);
+ goto out;
+ }
+ if (stripe_count < -1 || stripe_count > LOV_MAX_STRIPE_COUNT) {
+ errno = rc = -EINVAL;
+ err_msg("error: bad stripe count %d", stripe_count);
+ goto out;
+ }
+ if (stripe_count > 0 && (__u64)stripe_size * stripe_count > 0xffffffff){
+ errno = rc = -EINVAL;
+ err_msg("error: stripe_size %lu * stripe_count %u "
+ "exceeds 4GB", stripe_size, stripe_count);
+ goto out;
}
+ /* Initialize IOCTL striping pattern structure */
+ lum.lmm_magic = LOV_USER_MAGIC;
+ lum.lmm_pattern = stripe_pattern;
+ lum.lmm_stripe_size = stripe_size;
+ lum.lmm_stripe_count = stripe_count;
+ lum.lmm_stripe_offset = stripe_offset;
+
if (ioctl(fd, LL_IOC_LOV_SETSTRIPE, &lum)) {
char *errmsg = "stripe already set";
+ rc = -errno;
if (errno != EEXIST && errno != EALREADY)
errmsg = strerror(errno);
- fprintf(stderr, "error on ioctl for '%s' (%d): %s\n",
- name, fd, errmsg);
- rc = -errno;
+ fprintf(stderr, "error on ioctl "LPX64" for '%s' (%d): %s\n",
+ (__u64)LL_IOC_LOV_SETSTRIPE, name, fd, errmsg);
}
out:
- if (close(fd) < 0) {
- err_msg("error on close for '%s' (%d)", name, fd);
- if (rc == 0)
- rc = -errno;
+ if (rc) {
+ close(fd);
+ fd = rc;
}
- return rc;
+
+ return fd;
}
-int op_create_dir(char *name, int stripe_count)
+int llapi_file_create(const char *name, unsigned long stripe_size,
+ int stripe_offset, int stripe_count, int stripe_pattern)
{
- struct ll_user_mkdir_stripe lums = { 0 };
- int fd, rc = 0;
- char *dot = ".";
- char *dirname;
+ int fd;
- 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);
+ fd = llapi_file_open(name, O_CREAT | O_WRONLY, 0644, stripe_size,
+ stripe_offset, stripe_count, stripe_pattern);
+ if (fd < 0)
+ return fd;
- 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)
- rc = -errno;
- }
- return rc;
-}
-
-/* short term backwards compat only */
-int op_create_file(char *name, long stripe_size, int stripe_offset,
- int stripe_count)
-{
- return llapi_file_create(name, stripe_size, stripe_offset,
- stripe_count, 0);
+ close(fd);
+ return 0;
}
-struct find_param {
- 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;
-};
+typedef int (semantic_func_t)(char *path, DIR *parent, DIR *d, void *data);
-/* XXX Max obds per lov currently hardcoded to 1000 in lov/lov_obd.c */
-#define MAX_LOV_UUID_COUNT 1000
+#define MAX_LOV_UUID_COUNT max(LOV_MAX_STRIPE_COUNT, 1000)
#define OBD_NOT_FOUND (-1)
-static int prepare_find(struct find_param *param)
+static int common_param_init(struct find_param *param)
{
- 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->lumlen = lov_mds_md_size(MAX_LOV_UUID_COUNT);
+ if ((param->lmd = malloc(sizeof(lstat_t) + param->lumlen)) == NULL) {
+ err_msg("error: allocation of %d bytes for ioctl",
+ sizeof(lstat_t) + param->lumlen);
+ return -ENOMEM;
}
+
param->got_uuids = 0;
param->obdindex = OBD_NOT_FOUND;
return 0;
}
-static void cleanup_find(struct find_param *param)
+static void find_param_fini(struct find_param *param)
{
- if (param->obduuid)
- free(param->obduuid);
- if (param->data)
- free(param->data);
+ if (param->lmd)
+ free(param->lmd);
}
-int llapi_lov_get_uuids(int fd, struct obd_uuid *uuidp,
- __u32 *obdgens, int *ost_count)
+int llapi_lov_get_uuids(int fd, struct obd_uuid *uuidp, int *ost_count)
{
- struct obd_ioctl_data data = { 0, };
- struct lov_desc desc = { 0, };
- char *buf = NULL;
- int max_ost_count, rc;
-
- max_ost_count = (OBD_MAX_IOCTL_BUFFER - size_round(sizeof(data)) -
- size_round(sizeof(desc))) /
- (sizeof(*uuidp) + sizeof(*obdgens));
- if (max_ost_count > *ost_count)
- max_ost_count = *ost_count;
-
- data.ioc_inllen1 = sizeof(desc);
- 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;
+ char lov_name[sizeof(struct obd_uuid)];
+ char buf[1024];
+ FILE *fp;
+ int rc = 0, index = 0;
- if (obd_ioctl_pack(&data, &buf, OBD_MAX_IOCTL_BUFFER)) {
- fprintf(stderr, "internal buffer error packing\n");
- rc = EINVAL;
- goto out;
+ /* Get the lov name */
+ rc = ioctl(fd, OBD_IOC_GETNAME, (void *) lov_name);
+ if (rc) {
+ rc = errno;
+ err_msg("error: can't get lov name.");
+ return rc;
}
- rc = ioctl(fd, OBD_IOC_LOV_GET_CONFIG, buf);
- if (rc) {
- err_msg("error getting LOV config");
+ /* Now get the ost uuids from /proc */
+ snprintf(buf, sizeof(buf), "/proc/fs/lustre/lov/%s/target_obd",
+ lov_name);
+ fp = fopen(buf, "r");
+ if (fp == NULL) {
rc = errno;
- goto out;
+ err_msg("error: opening '%s'", buf);
+ return rc;
}
- if (obd_ioctl_unpack(&data, buf, OBD_MAX_IOCTL_BUFFER)) {
- fprintf(stderr, "invalid reply from ioctl");
- rc = EINVAL;
- goto out;
+ while ((fgets(buf, sizeof(buf), fp) != NULL) && index < *ost_count) {
+ if (sscanf(buf, "%d: %s", &index, uuidp[index].uuid) < 2)
+ break;
+ index++;
}
- *ost_count = desc.ld_tgt_count;
-out:
- free(buf);
+ fclose(fp);
+ *ost_count = index;
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;
+ char uuid[sizeof(struct obd_uuid)];
+ char buf[1024];
+ FILE *fp;
+ int rc = 0, index;
+
+ /* Get the lov name */
+ rc = ioctl(dirfd(dir), OBD_IOC_GETNAME, (void *)uuid);
+ if (rc) {
+ if (errno != ENOTTY) {
+ rc = errno;
+ err_msg("error: can't get lov name: %s", dname);
+ } else {
+ rc = 0;
+ }
+ return rc;
+ }
param->got_uuids = 1;
- rc = llapi_lov_get_uuids(dirfd(dir), uuids, obdgens, &obdcount);
- if (rc != 0)
- return (param->obduuid ? rc : 0);
+ /* Now get the ost uuids from /proc */
+ snprintf(buf, sizeof(buf), "/proc/fs/lustre/lov/%s/target_obd",
+ uuid);
+ fp = fopen(buf, "r");
+ if (fp == NULL) {
+ rc = errno;
+ err_msg("error: opening '%s'", buf);
+ return rc;
+ }
+
+ if (!param->obduuid && !param->quiet && !param->obds_printed)
+ printf("OBDS:\n");
- if (obdcount == 0)
- return 0;
+ while (fgets(buf, sizeof(buf), fp) != NULL) {
+ if (sscanf(buf, "%d: %s", &index, uuid) < 2)
+ break;
- if (param->obduuid) {
- for (i = 0, uuidp = uuids; i < obdcount; i++, uuidp++) {
- if (strncmp((char *)param->obduuid->uuid, (char *)uuidp->uuid,
- sizeof(*uuidp)) == 0) {
- param->obdindex = i;
+ if (param->obduuid) {
+ if (strncmp(param->obduuid->uuid, uuid,
+ sizeof(uuid)) == 0) {
+ param->obdindex = index;
break;
}
+ } else if (!param->quiet && !param->obds_printed) {
+ /* Print everything */
+ printf("%s", buf);
}
- if (param->obdindex == OBD_NOT_FOUND) {
- printf("unknown obduuid: %s\n", param->obduuid->uuid);
- return EINVAL;
- }
- } else if (!param->quiet) {
+ }
+ param->obds_printed = 1;
- 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);
- }
+ fclose(fp);
+
+ if (!param->quiet && param->obduuid &&
+ (param->obdindex == OBD_NOT_FOUND)) {
+ fprintf(stderr, "error: %s: unknown obduuid: %s\n",
+ __FUNCTION__, param->obduuid->uuid);
+ //rc = EINVAL;
}
- return 0;
+
+ return (rc);
}
-void lov_dump_user_lmm_v1(struct lov_user_md_v1 *lum, char *dname, char *fname,
+void lov_dump_user_lmm_v1(struct lov_user_md_v1 *lum, char *path, int is_dir,
int obdindex, int quiet, int header, int body)
{
int i, obdstripe = 0;
if (obdindex != OBD_NOT_FOUND) {
- for (i = 0; i < lum->lmm_stripe_count; i++) {
+ for (i = 0; !is_dir && i < lum->lmm_stripe_count; i++) {
if (obdindex == lum->lmm_objects[i].l_ost_idx) {
- printf("%s/%s\n", dname, fname);
+ printf("%s\n", path);
obdstripe = 1;
break;
}
}
} else if (!quiet) {
- printf("%s/%s\n", dname, fname);
+ printf("%s\n", path);
obdstripe = 1;
}
/* if it's a directory */
- if (*fname == '\0') {
- if (header && (obdstripe == 1)) {
- printf("count: %d, size: %d, offset: %d\n\n",
- lum->lmm_stripe_count, lum->lmm_stripe_size,
- (short int)lum->lmm_stripe_offset);
+ if (is_dir) {
+ if (obdstripe == 1) {
+ printf("default stripe_count: %d stripe_size: %u "
+ "stripe_offset: %d\n",
+ lum->lmm_stripe_count == (__u16)-1 ? -1 :
+ lum->lmm_stripe_count,
+ lum->lmm_stripe_size,
+ lum->lmm_stripe_offset == (__u16)-1 ? -1 :
+ lum->lmm_stripe_offset);
}
return;
}
if (body) {
if ((!quiet) && (obdstripe == 1))
- printf("\tobdidx\t\t obdgen\t\t objid\t\tobjid\t\t group\n");
+ printf("\tobdidx\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%14u\t%14llu\t%#13llx\t%14lld%s\n",
- idx, gen, oid, oid, gr,
- obdindex == idx ? " *" : "");
+ printf("\t%6u\t%14llu\t%#13llx\t%14llu%s\n",
+ idx, oid, oid, gr,
+ obdindex == idx ? " *" : "");
}
printf("\n");
}
}
-void llapi_lov_dump_user_lmm(struct find_param *param, char *dname, char *fname)
+void lov_dump_user_lmm_join(struct lov_user_md_v1 *lum, char *path,
+ int is_dir, int obdindex, int quiet,
+ int header, int body)
{
- switch(*(__u32 *)param->data) { /* lum->lmm_magic */
- case LOV_USER_MAGIC_V1:
- 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->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);
+ struct lov_user_md_join *lumj = (struct lov_user_md_join *)lum;
+ int i, obdstripe = 0;
- if (n > 40)
- n = 1;
- else
- n = 40 - n;
-
- printf("%s:%*s"DLID4"\n", path, n, "",
- OLID4((struct lustre_id *)param->data));
+ if (obdindex != OBD_NOT_FOUND) {
+ for (i = 0; i < lumj->lmm_stripe_count; i++) {
+ if (obdindex == lumj->lmm_objects[i].l_ost_idx) {
+ printf("%s\n", path);
+ obdstripe = 1;
+ break;
+ }
+ }
+ } else if (!quiet) {
+ printf("%s\n", path);
+ obdstripe = 1;
}
-}
-int llapi_file_get_stripe(char *path, struct lov_user_md *lum)
-{
- char *dname, *fname;
- int fd, rc = 0;
-
- fname = strrchr(path, '/');
-
- /* It should be a file (or other non-directory) */
- 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 (header && obdstripe == 1) {
+ printf("lmm_magic: 0x%08X\n", lumj->lmm_magic);
+ printf("lmm_object_gr: "LPX64"\n", lumj->lmm_object_gr);
+ printf("lmm_object_id: "LPX64"\n", lumj->lmm_object_id);
+ printf("lmm_stripe_count: %u\n", (int)lumj->lmm_stripe_count);
+ printf("lmm_stripe_size: %u\n", lumj->lmm_stripe_size);
+ printf("lmm_stripe_pattern: %x\n", lumj->lmm_pattern);
+ printf("lmm_extent_count: %x\n", lumj->lmm_extent_count);
}
- if ((fd = open(dname, O_RDONLY)) == -1) {
- free(dname);
- return errno;
+ if (body) {
+ unsigned long long start = -1, end = 0;
+ if (!quiet && obdstripe == 1)
+ printf("joined\tobdidx\t\t objid\t\tobjid\t\t group"
+ "\t\tstart\t\tend\n");
+ for (i = 0; i < lumj->lmm_stripe_count; i++) {
+ int idx = lumj->lmm_objects[i].l_ost_idx;
+ long long oid = lumj->lmm_objects[i].l_object_id;
+ long long gr = lumj->lmm_objects[i].l_object_gr;
+ if (obdindex == OBD_NOT_FOUND || obdindex == idx)
+ printf("\t%6u\t%14llu\t%#13llx\t%14llu%s",
+ idx, oid, oid, gr,
+ obdindex == idx ? " *" : "");
+ if (start != lumj->lmm_objects[i].l_extent_start ||
+ end != lumj->lmm_objects[i].l_extent_end) {
+ start = lumj->lmm_objects[i].l_extent_start;
+ printf("\t%14llu", start);
+ end = lumj->lmm_objects[i].l_extent_end;
+ if (end == (unsigned long long)-1)
+ printf("\t\tEOF\n");
+ else
+ printf("\t\t%llu\n", end);
+ } else {
+ printf("\t\t\t\t\n");
+ }
+ }
+ printf("\n");
}
+}
- strncpy((char *)lum, fname, sizeof(*lum));
- if (ioctl(fd, IOC_MDC_GETSTRIPE, (void *)lum) == -1) {
- close(fd);
- free(dname);
- return errno;
+void llapi_lov_dump_user_lmm(struct find_param *param,
+ char *path, int is_dir)
+{
+ switch(*(__u32 *)¶m->lmd->lmd_lmm) { /* lum->lmm_magic */
+ case LOV_USER_MAGIC_V1:
+ lov_dump_user_lmm_v1(¶m->lmd->lmd_lmm, path, is_dir,
+ param->obdindex, param->quiet,
+ param->verbose,
+ (param->verbose || !param->obduuid));
+ break;
+ case LOV_USER_MAGIC_JOIN:
+ lov_dump_user_lmm_join(¶m->lmd->lmd_lmm, path, is_dir,
+ param->obdindex, param->quiet,
+ param->verbose,
+ (param->verbose || !param->obduuid));
+ break;
+ default:
+ printf("unknown lmm_magic: %#x (expecting %#x)\n",
+ *(__u32 *)¶m->lmd->lmd_lmm, LOV_USER_MAGIC_V1);
+ return;
}
-
- if (close(fd) == -1)
- rc = errno;
-
- free(dname);
-
- return rc;
}
-int llapi_file_get_fid(char *path, void *data)
+int llapi_file_get_stripe(const char *path, struct lov_user_md *lum)
{
- char *dname, *fname;
+ const char *fname;
+ char *dname;
int fd, rc = 0;
fname = strrchr(path, '/');
+ /* It should be a file (or other non-directory) */
if (fname == NULL) {
dname = (char *)malloc(2);
if (dname == NULL)
return ENOMEM;
strcpy(dname, ".");
- fname = path;
+ fname = (char *)path;
} else {
dname = (char *)malloc(fname - path + 1);
if (dname == NULL)
strncpy(dname, path, fname - path);
dname[fname - path] = '\0';
fname++;
-
- if (!strlen(fname))
- fname = ".";
}
if ((fd = open(dname, O_RDONLY)) == -1) {
+ rc = errno;
free(dname);
- return errno;
+ return rc;
}
- strncpy((char *)data, fname, strlen(fname));
- if (ioctl(fd, IOC_MDC_SHOWFID, (void *)data) == -1) {
- close(fd);
- free(dname);
- return errno;
- }
+ strcpy((char *)lum, fname);
+ if (ioctl(fd, IOC_MDC_GETFILESTRIPE, (void *)lum) == -1)
+ rc = errno;
- if (close(fd) == -1)
+ if (close(fd) == -1 && rc == 0)
rc = errno;
free(dname);
- return rc;
-}
-/* short term backwards compat only */
-int op_get_file_stripe(char *path, struct lov_user_md *lum)
-{
- return llapi_file_get_stripe(path, lum);
+ return rc;
}
-static int process_file(DIR *dir, char *dname, char *fname,
- struct find_param *param)
+int llapi_file_lookup(int dirfd, const char *name)
{
+ struct obd_ioctl_data data = { 0 };
+ char rawbuf[8192];
+ char *buf = rawbuf;
int rc;
- if (param->showfid) {
- char path[PATH_MAX + 1];
+ if (dirfd < 0 || name == NULL)
+ return -EINVAL;
- 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);
- /* add fname to directory list; */
- rc = errno;
- } else {
- err_msg("IOC_MDC_GETSTRIPE ioctl failed");
- rc = errno;
- }
- return rc;
- }
- llapi_lov_dump_user_lmm(param, dname, fname);
+ data.ioc_version = OBD_IOCTL_VERSION;
+ data.ioc_len = sizeof(data);
+ data.ioc_inlbuf1 = (char *)name;
+ data.ioc_inllen1 = strlen(name) + 1;
+
+ rc = obd_ioctl_pack(&data, &buf, sizeof(rawbuf));
+ if (rc) {
+ fprintf(stderr,
+ "error: IOC_MDC_LOOKUP pack failed for '%s': rc %d\n",
+ name, rc);
+ return rc;
}
- return 0;
+
+ return ioctl(dirfd, IOC_MDC_LOOKUP, buf);
}
/* some 64bit libcs implement readdir64() by calling sys_getdents(). the
* kernel's sys_getdents() doesn't return d_type. */
-unsigned char handle_dt_unknown(char *parent, char *entry)
+unsigned char handle_dt_unknown(char *path)
{
- char path[PATH_MAX + 1];
- int fd, ret;
-
- ret = snprintf(path, PATH_MAX, "%s/%s", parent, entry);
- if (ret >= PATH_MAX)
- return DT_UNKNOWN;
+ int fd;
fd = open(path, O_DIRECTORY|O_RDONLY);
if (fd < 0) {
return DT_DIR;
}
-static int process_dir(DIR *dir, char *dname, struct find_param *param)
+static DIR *opendir_parent(char *path)
{
- char path[PATH_MAX + 1];
- struct dirent64 *dirp;
- DIR *subdir;
- int rc;
+ DIR *parent;
+ char *fname;
+ char c;
- /* 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;
- }
+ fname = strrchr(path, '/');
+ if (fname == NULL)
+ return opendir(".");
+
+ c = fname[1];
+ fname[1] = '\0';
+ parent = opendir(path);
+ fname[1] = c;
+ return parent;
+}
- 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 {
- llapi_lov_dump_user_lmm(param, dname, "");
- }
+static int llapi_semantic_traverse(char *path, int size, DIR *parent,
+ semantic_func_t sem_init,
+ semantic_func_t sem_fini, void *data)
+{
+ struct dirent64 *dent;
+ int len, ret;
+ DIR *d, *p = NULL;
+
+ ret = 0;
+ len = strlen(path);
+
+ d = opendir(path);
+ if (!d && errno != ENOTDIR) {
+ fprintf(stderr, "%s: Failed to open '%s': %s.",
+ __FUNCTION__, path, strerror(errno));
+ return -EINVAL;
+ } else if (!d && !parent) {
+ /* ENOTDIR. Open the parent dir. */
+ p = opendir_parent(path);
+ if (!p)
+ GOTO(out, ret = -EINVAL);
}
- /* Handle the contents of the directory */
- while ((dirp = readdir64(dir)) != NULL) {
- if (!strcmp(dirp->d_name, ".") || !strcmp(dirp->d_name, ".."))
+ if (sem_init && (ret = sem_init(path, parent ?: p, d, data)))
+ goto err;
+
+ if (!d)
+ GOTO(out, ret = 0);
+
+ while ((dent = readdir64(d)) != NULL) {
+ if (!strcmp(dent->d_name, ".") || !strcmp(dent->d_name, ".."))
continue;
- if (dirp->d_type == DT_UNKNOWN)
- dirp->d_type = handle_dt_unknown(dname, dirp->d_name);
+ path[len] = 0;
+ if ((len + dent->d_reclen + 2) > size) {
+ fprintf(stderr,
+ "error: %s: string buffer is too small\n",
+ __FUNCTION__);
+ break;
+ }
+ strcat(path, "/");
+ strcat(path, dent->d_name);
- switch (dirp->d_type) {
+ if (dent->d_type == DT_UNKNOWN)
+ dent->d_type = handle_dt_unknown(path);
+
+ switch (dent->d_type) {
case DT_UNKNOWN:
- err_msg("\"%s\" is UNKNOWN type %d", dirp->d_name,
- dirp->d_type);
+ fprintf(stderr, "error: %s: '%s' is UNKNOWN type %d",
+ __FUNCTION__, dent->d_name, dent->d_type);
/* If we cared we could stat the file to determine
* type and continue on here, but we don't since we
* know d_type should be valid for lustre and this
* tool only makes sense for lustre filesystems. */
- return EINVAL;
- case DT_DIR:
- if (!param->recursive)
- break;
- strcpy(path, dname);
- strcat(path, "/");
- strcat(path, dirp->d_name);
- subdir = opendir(path);
- if (subdir == NULL) {
- err_msg("\"%.40s\" opendir failed", path);
- return errno;
- }
- rc = process_dir(subdir, path, param);
- closedir(subdir);
- if (rc)
- return rc;
break;
- case DT_REG:
- rc = process_file(dir, dname, dirp->d_name, param);
- if (rc)
- return rc;
+ case DT_DIR:
+ ret = llapi_semantic_traverse(path, size, d, sem_init,
+ sem_fini, data);
+ if (ret < 0)
+ goto out;
break;
default:
- break;
+ ret = 0;
+ if (sem_init) {
+ ret = sem_init(path, d, NULL, data);
+ if (ret < 0)
+ goto out;
+ }
+ if (sem_fini && ret == 0)
+ sem_fini(path, d, NULL, data);
}
}
- return 0;
+out:
+ path[len] = 0;
+
+ if (sem_fini)
+ sem_fini(path, parent, d, data);
+err:
+ if (d)
+ closedir(d);
+ if (p)
+ closedir(p);
+ return ret;
}
-static int process_path(char *path, struct find_param *param)
+/* Check if the file time matches 1 of the given criteria (e.g. --atime +/-N).
+ * @mds indicates if this is MDS timestamps and there are attributes on OSTs.
+ *
+ * The result is -1 if it does not match, 0 if not yet clear, 1 if matches.
+ * The table bolow gives the answers for the specified parameters (time and
+ * sign), 1st column is the answer for the MDS time, the 2nd is for the OST:
+ * --------------------------------------
+ * 1 | file > limit; sign > 0 | -1 / -1 |
+ * 2 | file = limit; sign > 0 | ? / 1 |
+ * 3 | file < limit; sign > 0 | ? / 1 |
+ * 4 | file > limit; sign = 0 | -1 / -1 |
+ * 5 | file = limit; sign = 0 | ? / 1 | <- (see the Note below)
+ * 6 | file < limit; sign = 0 | ? / -1 |
+ * 7 | file > limit; sign < 0 | 1 / 1 |
+ * 8 | file = limit; sign < 0 | ? / -1 |
+ * 9 | file < limit; sign < 0 | ? / -1 |
+ * --------------------------------------
+ * Note: 5th actually means that the file time stamp is within the interval
+ * (limit - 24hours, limit]. */
+static int find_time_cmp(time_t file, time_t limit, int sign, int mds) {
+ if (sign > 0) {
+ if (file <= limit)
+ return mds ? 0 : 1;
+ }
+
+ if (sign == 0) {
+ if (file <= limit && file + 24 * 60 * 60 > limit)
+ return mds ? 0 : 1;
+ if (file + 24 * 60 * 60 <= limit)
+ return mds ? 0 : -1;
+ }
+
+ if (sign < 0) {
+ if (file > limit)
+ return 1;
+ if (mds)
+ return 0;
+ }
+
+ return -1;
+}
+
+/* Check if the file time matches all the given criteria (e.g. --atime +/-N).
+ * Return -1 or 1 if file timestamp does not or does match the given criteria
+ * correspondingly. Return 0 if the MDS time is being checked and there are
+ * attributes on OSTs and it is not yet clear if the timespamp matches.
+ *
+ * If 0 is returned, we need to do another RPC to the OSTs to obtain the
+ * updated timestamps. */
+static int find_time_check(lstat_t *st, struct find_param *param, int mds)
{
- char *fname, *dname;
- DIR *dir;
+ int ret;
int rc = 0;
- fname = strrchr(path, '/');
- if (fname != NULL && fname[1] == '\0') {
- /* Trailing '/', it must be a dir */
- *fname = '\0';
- dir = opendir(path);
- if (dir == NULL) {
- err_msg("\"%.40s\" opendir failed", path);
- rc = errno;
+ /* Check if file is accepted. */
+ if (param->atime) {
+ ret = find_time_cmp(st->st_atime, param->atime,
+ param->asign, mds);
+ if (ret < 0)
+ return ret;
+ rc = ret;
+ }
+
+ if (param->mtime) {
+ ret = find_time_cmp(st->st_mtime, param->mtime,
+ param->msign, mds);
+ if (ret < 0)
+ return ret;
+
+ /* If the previous check matches, but this one is not yet clear,
+ * we should return 0 to do an RPC on OSTs. */
+ if (rc == 1)
+ rc = ret;
+ }
+
+ if (param->ctime) {
+ ret = find_time_cmp(st->st_ctime, param->ctime,
+ param->csign, mds);
+ if (ret < 0)
+ return ret;
+
+ /* If the previous check matches, but this one is not yet clear,
+ * we should return 0 to do an RPC on OSTs. */
+ if (rc == 1)
+ rc = ret;
+ }
+
+ return rc;
+}
+
+static int cb_find_init(char *path, DIR *parent, DIR *dir, void *data)
+{
+ struct find_param *param = (struct find_param *)data;
+ int decision = 1; /* 1 is accepted; -1 is rejected. */
+ lstat_t *st = ¶m->lmd->lmd_st;
+ int lustre_fs = 1;
+ int ret = 0;
+
+ LASSERT(parent != NULL || dir != NULL);
+
+ param->lmd->lmd_lmm.lmm_stripe_count = 0;
+
+ /* If a time or OST should be checked, the decision is not taken yet. */
+ if (param->atime || param->ctime || param->mtime || param->obduuid)
+ decision = 0;
+
+ /* Request MDS for the stat info. */
+ if (!decision && dir) {
+ /* retrieve needed file info */
+ ret = ioctl(dirfd(dir), LL_IOC_MDC_GETINFO,
+ (void *)param->lmd);
+ } else if (!decision && parent) {
+ char *fname = strrchr(path, '/');
+ fname = (fname == NULL ? path : fname + 1);
+
+ /* retrieve needed file info */
+ strncpy((char *)param->lmd, fname, param->lumlen);
+ ret = ioctl(dirfd(parent), IOC_MDC_GETFILEINFO,
+ (void *)param->lmd);
+ }
+
+ if (ret) {
+ if (errno == ENOTTY) {
+ /* ioctl is not supported, it is not a lustre fs.
+ * Do the regular lstat(2) instead. */
+ lustre_fs = 0;
+ ret = lstat_f(path, st);
+ if (ret) {
+ err_msg("error: %s: lstat failed for %s",
+ __FUNCTION__, path);
+ return ret;
+ }
} else {
- rc = process_dir(dir, path, param);
- closedir(dir);
+ err_msg("error: %s: %s failed for %s", __FUNCTION__,
+ dir ? "LL_IOC_MDC_GETINFO" :
+ "IOC_MDC_GETFILEINFO", path);
+ return ret;
}
- } else if ((dir = opendir(path)) != NULL) {
- /* No trailing '/', but it is still a dir */
- rc = process_dir(dir, path, param);
- closedir(dir);
- } else {
- /* It must be a file (or other non-directory) */
- if (fname == NULL) {
- dname = ".";
- fname = path;
- } else {
- *fname = '\0';
- fname++;
- dname = path;
+ }
+
+ /* Prepare odb. */
+ if (param->obduuid) {
+ if (lustre_fs && param->got_uuids &&
+ param->st_dev != st->st_dev) {
+ /* A lustre/lustre mount point is crossed. */
+ param->got_uuids = 0;
+ param->obds_printed = 0;
+ param->obdindex = OBD_NOT_FOUND;
}
- dir = opendir(dname);
- if (dir == NULL) {
- err_msg("\"%.40s\" opendir failed", dname);
- rc = errno;
+
+ if (lustre_fs && !param->got_uuids) {
+ ret = setup_obd_uuids(dir ? dir : parent, path, param);
+ if (ret)
+ return ret;
+ param->st_dev = st->st_dev;
+ } else if (!lustre_fs && param->got_uuids) {
+ /* A lustre/non-lustre mount point is crossed. */
+ param->got_uuids = 0;
+ param->obdindex = OBD_NOT_FOUND;
+ }
+ }
+
+ /* If a regular expression is presented, make the initial decision */
+ if (param->pattern != NULL) {
+ char *fname = strrchr(path, '/');
+ fname = (fname == NULL ? path : fname + 1);
+ ret = fnmatch(param->pattern, fname, 0);
+ if ((ret == FNM_NOMATCH && !param->exclude_pattern) ||
+ (ret == 0 && param->exclude_pattern))
+ decision = -1;
+ }
+
+ /* If an OBD UUID is specified but no one matches, skip this file. */
+ if (param->obduuid && param->obdindex == OBD_NOT_FOUND)
+ decision = -1;
+
+ /* If a OST UUID is given, and some OST matches, check it here. */
+ if (decision != -1 && param->obdindex != OBD_NOT_FOUND) {
+ if (!S_ISREG(st->st_mode))
+ goto decided;
+
+ /* Only those files should be accepted, which have a
+ * stripe on the specified OST. */
+ if (!param->lmd->lmd_lmm.lmm_stripe_count) {
+ decision = -1;
} else {
- if (!param->showfid) {
- if (!param->got_uuids)
- rc = setup_obd_uuids(dir, dname, param);
+ int i;
+ for (i = 0;
+ i < param->lmd->lmd_lmm.lmm_stripe_count; i++) {
+ if (param->obdindex ==
+ param->lmd->lmd_lmm.lmm_objects[i].l_ost_idx)
+ break;
}
- if (rc == 0)
- rc = process_file(dir, dname, fname, param);
- closedir(dir);
+
+ if (i == param->lmd->lmd_lmm.lmm_stripe_count)
+ decision = -1;
}
}
- return rc;
+ /* Check the time on mds. */
+ if (!decision) {
+ int for_mds;
+
+ for_mds = lustre_fs ? (S_ISREG(st->st_mode) &&
+ param->lmd->lmd_lmm.lmm_stripe_count)
+ : 0;
+ decision = find_time_check(st, param, for_mds);
+ }
+
+ /* If file still fits the request, ask osd for updated info.
+ The regulat stat is almost of the same speed as some new
+ 'glimpse-size-ioctl'. */
+ if (!decision && param->lmd->lmd_lmm.lmm_stripe_count &&
+ S_ISREG(st->st_mode)) {
+ if (param->obdindex != OBD_NOT_FOUND) {
+ /* Check whether the obd is active or not, if it is
+ * not active, just print the object affected by this
+ * failed ost
+ * */
+ struct obd_statfs stat_buf;
+ struct obd_uuid uuid_buf;
+
+ memset(&stat_buf, 0, sizeof(struct obd_statfs));
+ memset(&uuid_buf, 0, sizeof(struct obd_uuid));
+ ret = llapi_obd_statfs(path, LL_STATFS_LOV,
+ param->obdindex, &stat_buf,
+ &uuid_buf);
+ if (ret) {
+ if (ret == -ENODATA || ret == -ENODEV
+ || ret == -EIO)
+ errno = EIO;
+ printf("obd_uuid: %s failed %s ",
+ param->obduuid->uuid, strerror(errno));
+ goto print_path;
+ }
+ }
+ if (dir) {
+ ret = ioctl(dirfd(dir), IOC_LOV_GETINFO,
+ (void *)param->lmd);
+ } else if (parent) {
+ ret = ioctl(dirfd(parent), IOC_LOV_GETINFO,
+ (void *)param->lmd);
+ }
+
+ if (ret) {
+ fprintf(stderr, "%s: IOC_LOV_GETINFO on %s failed: "
+ "%s.\n", __FUNCTION__, path, strerror(errno));
+ return -EINVAL;
+ }
+
+ /* Check the time on osc. */
+ if (!decision)
+ decision = find_time_check(st, param, 0);
+ }
+
+print_path:
+ if (decision != -1) {
+ printf("%s", path);
+ if (param->zeroend)
+ printf("%c", '\0');
+ else
+ printf("\n");
+ }
+
+decided:
+ /* Do not get down anymore? */
+ if (param->depth == param->maxdepth)
+ return 1;
+
+ param->depth++;
+ return 0;
}
-int llapi_find(char *path, struct obd_uuid *obduuid, int recursive,
- int verbose, int quiet, int showfid)
+static int cb_common_fini(char *path, DIR *parent, DIR *d, void *data)
{
- struct find_param param;
+ struct find_param *param = (struct find_param *)data;
+ param->depth--;
+ return 0;
+}
+
+int llapi_find(char *path, struct find_param *param)
+{
+ char *buf;
+ int ret, len = strlen(path);
+
+ if (len > PATH_MAX) {
+ fprintf(stderr, "%s: Path name '%s' is too long.\n",
+ __FUNCTION__, path);
+ return -EINVAL;
+ }
+
+ buf = (char *)malloc(PATH_MAX + 1);
+ if (!buf)
+ return -ENOMEM;
+
+ ret = common_param_init(param);
+ if (ret) {
+ free(buf);
+ return ret;
+ }
+
+ param->depth = 0;
+
+ strncpy(buf, path, PATH_MAX + 1);
+ ret = llapi_semantic_traverse(buf, PATH_MAX + 1, NULL, cb_find_init,
+ cb_common_fini, param);
+
+ find_param_fini(param);
+ free(buf);
+ return ret < 0 ? ret : 0;
+}
+
+static int cb_getstripe(char *path, DIR *parent, DIR *d, void *data)
+{
+ struct find_param *param = (struct find_param *)data;
int ret = 0;
- memset(¶m, 0, sizeof(param));
- param.recursive = recursive;
- param.showfid = showfid;
- param.verbose = verbose;
- param.quiet = quiet;
- if (obduuid) {
- param.obduuid = malloc(sizeof(*obduuid));
- if (param.obduuid == NULL) {
- ret = ENOMEM;
+ LASSERT(parent != NULL || d != NULL);
+
+ /* Prepare odb. */
+ if (!param->got_uuids) {
+ ret = setup_obd_uuids(d ? d : parent, path, param);
+ if (ret)
+ return ret;
+ }
+
+ if (d) {
+ ret = ioctl(dirfd(d), LL_IOC_LOV_GETSTRIPE,
+ (void *)¶m->lmd->lmd_lmm);
+ } else if (parent) {
+ char *fname = strrchr(path, '/');
+ fname = (fname == NULL ? path : fname + 1);
+
+ strncpy((char *)¶m->lmd->lmd_lmm, fname, param->lumlen);
+ ret = ioctl(dirfd(parent), IOC_MDC_GETFILESTRIPE,
+ (void *)¶m->lmd->lmd_lmm);
+ }
+
+ if (ret) {
+ if (errno == ENODATA) {
+ if (!param->obduuid && !param->quiet)
+ printf("%s has no stripe info\n", path);
goto out;
+ } else if (errno == ENOTTY) {
+ fprintf(stderr, "%s: '%s' not on a Lustre fs?\n",
+ __FUNCTION__, path);
+ } else {
+ err_msg("error: %s: %s failed for %s", __FUNCTION__,
+ d ? "LL_IOC_LOV_GETSTRIPE" :
+ "IOC_MDC_GETFILESTRIPE", path);
}
- memcpy(param.obduuid, obduuid, sizeof(*obduuid));
- }
- ret = prepare_find(¶m);
- if (ret)
- goto out;
+ return ret;
+ }
- process_path(path, ¶m);
+ llapi_lov_dump_user_lmm(param, path, d ? 1 : 0);
out:
- cleanup_find(¶m);
- return ret;
+ /* Do not get down anymore? */
+ if (param->depth == param->maxdepth)
+ return 1;
+
+ param->depth++;
+ return 0;
+}
+
+int llapi_getstripe(char *path, struct find_param *param)
+{
+ char *buf;
+ int ret = 0, len = strlen(path);
+
+ if (len > PATH_MAX) {
+ fprintf(stderr, "%s: Path name '%s' is too long.\n",
+ __FUNCTION__, path);
+ return -EINVAL;
+ }
+
+ buf = (char *)malloc(PATH_MAX + 1);
+ if (!buf)
+ return -ENOMEM;
+
+ ret = common_param_init(param);
+ if (ret) {
+ free(buf);
+ return ret;
+ }
+
+ param->depth = 0;
+
+ strncpy(buf, path, PATH_MAX + 1);
+ ret = llapi_semantic_traverse(buf, PATH_MAX + 1, NULL, cb_getstripe,
+ cb_common_fini, param);
+ find_param_fini(param);
+ free(buf);
+ return ret < 0 ? ret : 0;
+}
+
+int llapi_obd_statfs(char *path, __u32 type, __u32 index,
+ struct obd_statfs *stat_buf,
+ struct obd_uuid *uuid_buf)
+{
+ int fd;
+ char raw[OBD_MAX_IOCTL_BUFFER] = {'\0'};
+ char *rawbuf = raw;
+ struct obd_ioctl_data data = { 0 };
+ int rc = 0;
+
+ data.ioc_inlbuf1 = (char *)&type;
+ data.ioc_inllen1 = sizeof(__u32);
+ data.ioc_inlbuf2 = (char *)&index;
+ data.ioc_inllen2 = sizeof(__u32);
+ data.ioc_pbuf1 = (char *)stat_buf;
+ data.ioc_plen1 = sizeof(struct obd_statfs);
+ data.ioc_pbuf2 = (char *)uuid_buf;
+ data.ioc_plen2 = sizeof(struct obd_uuid);
+
+ if (obd_ioctl_pack(&data, &rawbuf, sizeof(raw))) {
+ fprintf(stderr, "llapi_obd_statfs: error packing ioctl data\n");
+ return -EINVAL;
+ }
+
+ fd = open(path, O_RDONLY);
+ if (errno == EISDIR)
+ fd = open(path, O_DIRECTORY | O_RDONLY);
+
+ if (fd < 0) {
+ rc = errno ? -errno : -EBADF;
+ err_msg("error: %s: opening '%s'", __FUNCTION__, path);
+ return rc;
+ }
+ rc = ioctl(fd, IOC_OBD_STATFS, (void *)rawbuf);
+ if (rc)
+ rc = errno ? -errno : -EINVAL;
+
+ close(fd);
+ return rc;
}
#define MAX_STRING_SIZE 128
#define DEVICES_LIST "/proc/fs/lustre/devices"
-int llapi_target_check(int type_num, char **obd_type, char *dir)
+int llapi_ping(char *obd_type, char *obd_name)
+{
+ char path[MAX_STRING_SIZE];
+ char buf[1];
+ int rc, fd;
+
+ snprintf(path, MAX_STRING_SIZE, "/proc/fs/lustre/%s/%s/ping",
+ obd_type, obd_name);
+
+ fd = open(path, O_WRONLY);
+ if (fd < 0) {
+ rc = errno;
+ fprintf(stderr, "error opening %s: %s\n", path, strerror(errno));
+ return rc;
+ }
+
+ rc = write(fd, buf, 1);
+ close(fd);
+
+ if (rc == 1)
+ return 0;
+ return rc;
+}
+
+int llapi_target_iterate(int type_num, char **obd_type, void *args, llapi_cb_t cb)
{
char buf[MAX_STRING_SIZE];
FILE *fp = fopen(DEVICES_LIST, "r");
- int rc = 0;
- int i;
+ int i, rc = 0;
if (fp == NULL) {
+ rc = errno;
fprintf(stderr, "error: %s opening "DEVICES_LIST"\n",
- strerror(rc = errno));
+ strerror(errno));
return rc;
}
while (fgets(buf, sizeof(buf), fp) != NULL) {
char *obd_type_name = NULL;
char *obd_name = NULL;
+ char *obd_uuid = NULL;
char rawbuf[OBD_MAX_IOCTL_BUFFER];
char *bufl = rawbuf;
char *bufp = buf;
obd_type_name = strsep(&bufp, " ");
}
obd_name = strsep(&bufp, " ");
+ obd_uuid = strsep(&bufp, " ");
memset(&osfs_buffer, 0, sizeof (osfs_buffer));
datal.ioc_pbuf1 = (char *)&osfs_buffer;
datal.ioc_plen1 = sizeof(osfs_buffer);
- for (i = 0; i < type_num; i++)
- if (strcmp(obd_type_name, obd_type[i]) == 0) {
- datal.ioc_inlbuf1 = obd_name;
- datal.ioc_inllen1 = strlen(obd_name) + 1;
-
- 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);
-
- if (rc) {
- fprintf(stderr, "error: check %s: %s\n",
- obd_name, strerror(rc = errno));
- } else {
- printf("%s active.\n",obd_name);
- }
- }
+ for (i = 0; i < type_num; i++) {
+ if (strcmp(obd_type_name, obd_type[i]) != 0)
+ continue;
+ cb(obd_type_name, obd_name, obd_uuid, args);
+ }
}
fclose(fp);
return rc;
}
+static void do_target_check(char *obd_type_name, char *obd_name,
+ char *obd_uuid, void *args)
+{
+ int rc;
+
+ rc = llapi_ping(obd_type_name, obd_name);
+ if (rc) {
+ err_msg("error: check '%s'", obd_name);
+ } else {
+ printf("%s active.\n", obd_name);
+ }
+}
+
+int llapi_target_check(int type_num, char **obd_type, char *dir)
+{
+ return llapi_target_iterate(type_num, obd_type, NULL, do_target_check);
+}
+
#undef MAX_STRING_SIZE
int llapi_catinfo(char *dir, char *keyword, char *node_name)
char raw[OBD_MAX_IOCTL_BUFFER];
char out[LLOG_CHUNK_SIZE];
char *buf = raw;
- struct obd_ioctl_data data;
+ struct obd_ioctl_data data = { 0 };
char key[30];
DIR *root;
int rc;
sprintf(key, "%s", keyword);
- memset(raw, 0, sizeof(buf));
+ memset(raw, 0, sizeof(raw));
memset(out, 0, sizeof(out));
data.ioc_inlbuf1 = key;
data.ioc_inllen1 = strlen(key) + 1;
root = opendir(dir);
if (root == NULL) {
+ rc = errno;
err_msg("open %s failed", dir);
- return errno;
+ return rc;
}
rc = ioctl(dirfd(root), OBD_IOC_LLOG_CATINFO, buf);
return rc;
}
-int llapi_getfacl(char *dir, char *cmd)
+/* Is this a lustre fs? */
+int llapi_is_lustre_mnttype(const char *type)
+{
+ return (strcmp(type, "lustre") == 0 || strcmp(type,"lustre_lite") == 0);
+}
+
+/* Is this a lustre client fs? */
+int llapi_is_lustre_mnt(struct mntent *mnt)
+{
+ return (llapi_is_lustre_mnttype(mnt->mnt_type) &&
+ strstr(mnt->mnt_fsname, ":/") != NULL);
+}
+
+int llapi_quotacheck(char *mnt, int check_type)
+{
+ DIR *root;
+ int rc;
+
+ root = opendir(mnt);
+ if (!root) {
+ err_msg("open %s failed", mnt);
+ return -1;
+ }
+
+ rc = ioctl(dirfd(root), LL_IOC_QUOTACHECK, check_type);
+
+ closedir(root);
+ return rc;
+}
+
+int llapi_poll_quotacheck(char *mnt, struct if_quotacheck *qchk)
{
- struct ll_acl_ioctl_data data;
- char out[LUSTRE_ACL_SIZE_MAX];
+ DIR *root;
+ int poll_intvl = 2;
+ int rc;
+
+ root = opendir(mnt);
+ if (!root) {
+ err_msg("open %s failed", mnt);
+ return -1;
+ }
+
+ while (1) {
+ rc = ioctl(dirfd(root), LL_IOC_POLL_QUOTACHECK, qchk);
+ if (!rc)
+ break;
+ sleep(poll_intvl);
+ if (poll_intvl < 30)
+ poll_intvl *= 2;
+ }
+
+ closedir(root);
+ return rc;
+}
+
+int llapi_quotactl(char *mnt, struct if_quotactl *qctl)
+{
+ DIR *root;
+ int rc;
+
+ root = opendir(mnt);
+ if (!root) {
+ err_msg("open %s failed", mnt);
+ return -1;
+ }
+
+ rc = ioctl(dirfd(root), LL_IOC_QUOTACTL, qctl);
+
+ closedir(root);
+ return rc;
+}
+
+static int cb_quotachown(char *path, DIR *parent, DIR *d, void *data)
+{
+ struct find_param *param = (struct find_param *)data;
+ lstat_t *st;
+ int rc;
+
+ LASSERT(parent != NULL || d != NULL);
+
+ if (d) {
+ rc = ioctl(dirfd(d), LL_IOC_MDC_GETINFO,
+ (void *)param->lmd);
+ } else if (parent) {
+ char *fname = strrchr(path, '/');
+ fname = (fname == NULL ? path : fname + 1);
+
+ strncpy((char *)param->lmd, fname, param->lumlen);
+ rc = ioctl(dirfd(parent), IOC_MDC_GETFILEINFO,
+ (void *)param->lmd);
+ } else {
+ return 0;
+ }
+
+ if (rc) {
+ if (errno == ENODATA) {
+ if (!param->obduuid && !param->quiet)
+ fprintf(stderr, "%s has no stripe info\n",
+ path);
+ rc = 0;
+ } else if (errno != EISDIR) {
+ rc = errno;
+ err_msg("%s ioctl failed for %s.",
+ d ? "LL_IOC_MDC_GETINFO" :
+ "IOC_MDC_GETFILEINFO", path);
+ }
+ return rc;
+ }
+
+ st = ¶m->lmd->lmd_st;
+
+ /* libc chown() will do extra check, and if the real owner is
+ * the same as the ones to set, it won't fall into kernel, so
+ * invoke syscall directly. */
+ rc = syscall(SYS_chown, path, -1, -1);
+ if (rc)
+ err_msg("error: chown %s (%u,%u)", path);
+
+ rc = chmod(path, st->st_mode);
+ if (rc)
+ err_msg("error: chmod %s (%hu)", path, st->st_mode);
+
+ return rc;
+}
+
+int llapi_quotachown(char *path, int flag)
+{
+ struct find_param param;
+ char *buf;
+ int ret = 0, len = strlen(path);
+
+ if (len > PATH_MAX) {
+ fprintf(stderr, "%s: Path name '%s' is too long.\n",
+ __FUNCTION__, path);
+ return -EINVAL;
+ }
+
+ buf = (char *)malloc(PATH_MAX + 1);
+ if (!buf)
+ return -ENOMEM;
+
+ memset(¶m, 0, sizeof(param));
+ param.recursive = 1;
+ param.verbose = 0;
+ param.quiet = 1;
+
+ ret = common_param_init(¶m);
+ if (ret)
+ goto out;
+
+ strncpy(buf, path, PATH_MAX + 1);
+ ret = llapi_semantic_traverse(buf, PATH_MAX + 1, NULL, cb_quotachown,
+ NULL, ¶m);
+out:
+ find_param_fini(¶m);
+ free(buf);
+ return ret;
+}
+
+int llapi_getfacl(char *fname, char *cmd)
+{
+ struct rmtacl_ioctl_data data;
+ char out[RMTACL_SIZE_MAX] = "";
int fd, rc;
data.cmd = cmd;
data.cmd_len = strlen(cmd) + 1;
data.res = out;
data.res_len = sizeof(out);
- data.status = 0;
- fd = open(dir, O_RDONLY | O_DIRECTORY);
+ fd = open(fname, 0);
if (fd == -1) {
- err_msg("can't open dir %s", dir);
+ err_msg("open %s failed", fname);
return -1;
}
rc = ioctl(fd, LL_IOC_GETFACL, &data);
- if (rc)
- err_msg("getfacl failed");
- else {
- out[sizeof(out) - 1] = '\0';
+ close(fd);
+ if (errno == EBADE) {
+ fprintf(stderr, "Please use getfacl directly!\n");
+ rc = 1;
+ } else if (rc) {
+ err_msg("getfacl %s failed", fname);
+ } else {
printf("%s", out);
- rc = data.status;
}
- close(fd);
-
return rc;
}
-int llapi_setfacl(char *dir, char *cmd)
+int llapi_setfacl(char *fname, char *cmd)
{
- struct ll_acl_ioctl_data data;
- char out[LUSTRE_ACL_SIZE_MAX];
+ struct rmtacl_ioctl_data data;
+ char out[RMTACL_SIZE_MAX] = "";
int fd, rc;
data.cmd = cmd;
data.cmd_len = strlen(cmd) + 1;
data.res = out;
data.res_len = sizeof(out);
- data.status = 0;
- fd = open(dir, O_RDONLY | O_DIRECTORY);
+ fd = open(fname, 0);
if (fd == -1) {
- err_msg("can't open dir %s", dir);
+ err_msg("open %s failed", fname);
return -1;
}
rc = ioctl(fd, LL_IOC_SETFACL, &data);
- if (rc)
- err_msg("setfacl failed");
- else {
- out[sizeof(out) - 1] = '\0';
+ close(fd);
+ if (errno == EBADE) {
+ fprintf(stderr, "Please use setfacl directly!\n");
+ rc = 1;
+ } else if (errno == EOPNOTSUPP) {
+ fprintf(stderr, "setfacl: %s: %s\n", fname, strerror(errno));
+ rc = 1;
+ } else if (rc) {
+ err_msg("setfacl %s failed", fname);
+ } else {
printf("%s", out);
- rc = data.status;
}
- close(fd);
-
return rc;
}
-
-int llapi_is_lustre_mnttype(char *type)
-{
- return (strcmp(type,"lustre") == 0 || strcmp(type,"lustre_lite") == 0);
-}