X-Git-Url: https://git.whamcloud.com/?a=blobdiff_plain;ds=sidebyside;f=lustre%2Futils%2Fliblustreapi.c;h=9ef5f2c1d3fd1e07f16b813513d2784ad1c82416;hb=d6b08e30909b3b02ffaf6a7dffabd48642b6f37f;hp=7ea801c46780fa830764c606997f1eba3a51828e;hpb=c5050e412572b00cbe93d8517d2d1f767bebfa92;p=fs%2Flustre-release.git diff --git a/lustre/utils/liblustreapi.c b/lustre/utils/liblustreapi.c index 7ea801c..9ef5f2c 100644 --- a/lustre/utils/liblustreapi.c +++ b/lustre/utils/liblustreapi.c @@ -1,31 +1,49 @@ /* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*- * vim:expandtab:shiftwidth=8:tabstop=8: * - * Copyright (C) 2002 Cluster File Systems, Inc. - * Author: Peter J. Braam - * Author: Phil Schwan - * Author: Robert Read + * GPL HEADER START * - * This file is part of Lustre, http://www.lustre.org. + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * - * Lustre is free software; you can redistribute it and/or - * modify it under the terms of version 2 of the GNU General Public - * License as published by the Free Software Foundation. + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 only, + * as published by the Free Software Foundation. * - * Lustre is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License version 2 for more details (a copy is included + * in the LICENSE file that accompanied this code). * - * You should have received a copy of the GNU General Public License - * along with Lustre; if not, write to the Free Software - * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + * You should have received a copy of the GNU General Public License + * version 2 along with this program; If not, see + * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf * + * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, + * CA 95054 USA or visit www.sun.com if you need additional information or + * have any questions. + * + * GPL HEADER END + */ +/* + * Copyright 2008 Sun Microsystems, Inc. All rights reserved + * Use is subject to license terms. + */ +/* + * This file is part of Lustre, http://www.lustre.org/ + * Lustre is a trademark of Sun Microsystems, Inc. + * + * lustre/utils/liblustreapi.c + * + * Author: Peter J. Braam + * Author: Phil Schwan + * Author: Robert Read */ - /* for O_DIRECTORY */ +#ifndef _GNU_SOURCE #define _GNU_SOURCE +#endif #include #include @@ -39,495 +57,2502 @@ #include #include #include -#include +#include +#include +#include +#ifdef HAVE_LINUX_UNISTD_H #include +#else +#include +#endif +#include /* l_ioctl */ #include -#include -#include -#include -#include +#include +#include +#include +#include +#include + +static unsigned llapi_dir_filetype_table[] = { + [DT_UNKNOWN]= 0, + [DT_FIFO]= S_IFIFO, + [DT_CHR] = S_IFCHR, + [DT_DIR] = S_IFDIR, + [DT_BLK] = S_IFBLK, + [DT_REG] = S_IFREG, + [DT_LNK] = S_IFLNK, + [DT_SOCK]= S_IFSOCK, +#if defined(DT_DOOR) && defined(S_IFDOOR) + [DT_DOOR]= S_IFDOOR, +#endif +}; -#include +#if defined(DT_DOOR) && defined(S_IFDOOR) +static const int DT_MAX = DT_DOOR; +#else +static const int DT_MAX = DT_SOCK; +#endif + +static unsigned llapi_filetype_dir_table[] = { + [0]= DT_UNKNOWN, + [S_IFIFO]= DT_FIFO, + [S_IFCHR] = DT_CHR, + [S_IFDIR] = DT_DIR, + [S_IFBLK] = DT_BLK, + [S_IFREG] = DT_REG, + [S_IFLNK] = DT_LNK, + [S_IFSOCK]= DT_SOCK, +#if defined(DT_DOOR) && defined(S_IFDOOR) + [S_IFDOOR]= DT_DOOR, +#endif +}; + +#if defined(DT_DOOR) && defined(S_IFDOOR) +static const int S_IFMAX = DT_DOOR; +#else +static const int S_IFMAX = DT_SOCK; +#endif + +/* liblustreapi message level */ +static int llapi_msg_level = LLAPI_MSG_MAX; + +void llapi_msg_set_level(int level) +{ + /* ensure level is in the good range */ + if (level < LLAPI_MSG_OFF) + llapi_msg_level = LLAPI_MSG_OFF; + else if (level > LLAPI_MSG_MAX) + llapi_msg_level = LLAPI_MSG_MAX; + else + llapi_msg_level = level; +} -static void err_msg(char *fmt, ...) +void llapi_err(int level, char *fmt, ...) { va_list args; - int tmp_errno = errno; + int tmp_errno = abs(errno); + + if ((level & LLAPI_MSG_MASK) > llapi_msg_level) + return; va_start(args, fmt); vfprintf(stderr, fmt, args); va_end(args); - fprintf(stderr, ": %s (%d)\n", strerror(tmp_errno), tmp_errno); + + if (level & LLAPI_MSG_NO_ERRNO) + fprintf(stderr, "\n"); + else + fprintf(stderr, ": %s (%d)\n", strerror(tmp_errno), tmp_errno); +} + +#define llapi_err_noerrno(level, fmt, a...) \ + llapi_err((level) | LLAPI_MSG_NO_ERRNO, fmt, ## a) + +void llapi_printf(int level, char *fmt, ...) +{ + va_list args; + + if ((level & LLAPI_MSG_MASK) > llapi_msg_level) + return; + + va_start(args, fmt); + vfprintf(stdout, fmt, args); + va_end(args); +} + +/** + * size_units is unchanged if no specifier used + */ +int parse_size(char *optarg, unsigned long long *size, + unsigned long long *size_units, int bytes_spec) +{ + char *end; + + *size = strtoull(optarg, &end, 0); + + if (*end != '\0') { + if ((*end == 'b') && *(end+1) == '\0' && + (*size & (~0ULL << (64 - 9))) == 0 && + !bytes_spec) { + *size <<= 9; + *size_units = 1 << 9; + } else if ((*end == 'b') && *(end+1) == '\0' && + bytes_spec) { + *size_units = 1; + } else if ((*end == 'k' || *end == 'K') && + *(end+1) == '\0' && (*size & + (~0ULL << (64 - 10))) == 0) { + *size <<= 10; + *size_units = 1 << 10; + } else if ((*end == 'm' || *end == 'M') && + *(end+1) == '\0' && (*size & + (~0ULL << (64 - 20))) == 0) { + *size <<= 20; + *size_units = 1 << 20; + } else if ((*end == 'g' || *end == 'G') && + *(end+1) == '\0' && (*size & + (~0ULL << (64 - 30))) == 0) { + *size <<= 30; + *size_units = 1 << 30; + } else if ((*end == 't' || *end == 'T') && + *(end+1) == '\0' && (*size & + (~0ULL << (64 - 40))) == 0) { + *size <<= 40; + *size_units = 1ULL << 40; + } else if ((*end == 'p' || *end == 'P') && + *(end+1) == '\0' && (*size & + (~0ULL << (64 - 50))) == 0) { + *size <<= 50; + *size_units = 1ULL << 50; + } else if ((*end == 'e' || *end == 'E') && + *(end+1) == '\0' && (*size & + (~0ULL << (64 - 60))) == 0) { + *size <<= 60; + *size_units = 1ULL << 60; + } else { + return -1; + } + } + + return 0; +} + +int llapi_stripe_limit_check(unsigned long stripe_size, int stripe_offset, + int stripe_count, int stripe_pattern) +{ + int page_size; + + /* 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(); + llapi_err_noerrno(LLAPI_MSG_WARN, + "warning: your page size (%u) is " + "larger than expected (%u)", page_size, + LOV_MIN_STRIPE_SIZE); + } + if (stripe_size < 0 || (stripe_size & (LOV_MIN_STRIPE_SIZE - 1))) { + llapi_err(LLAPI_MSG_ERROR, "error: bad stripe_size %lu, " + "must be an even multiple of %d bytes", + stripe_size, page_size); + return -EINVAL; + } + if (stripe_offset < -1 || stripe_offset > MAX_OBD_DEVICES) { + errno = -EINVAL; + llapi_err(LLAPI_MSG_ERROR, "error: bad stripe offset %d", + stripe_offset); + return -EINVAL; + } + if (stripe_count < -1 || stripe_count > LOV_MAX_STRIPE_COUNT) { + errno = -EINVAL; + llapi_err(LLAPI_MSG_ERROR, "error: bad stripe count %d", + stripe_count); + return -EINVAL; + } + if (stripe_count > 0 && (__u64)stripe_size * stripe_count > 0xffffffff){ + errno = -EINVAL; + llapi_err(LLAPI_MSG_ERROR, "error: stripe_size %lu * " + "stripe_count %u exceeds 4GB", stripe_size, + stripe_count); + return -EINVAL; + } + return 0; } -int op_create_file(char *name, long stripe_size, int stripe_offset, - int stripe_count) +static int poolpath(char *fsname, char *pathname, char *pool_pathname); + +int llapi_file_open_pool(const char *name, int flags, int mode, + unsigned long stripe_size, int stripe_offset, + int stripe_count, int stripe_pattern, char *pool_name) { - struct lov_user_md lum = { 0 }; + struct lov_user_md_v3 lum = { 0 }; int fd, rc = 0; + int isdir = 0; + char fsname[MAX_OBD_NAME + 1], *ptr; - /* Initialize IOCTL striping pattern structure */ - lum.lmm_magic = LOV_USER_MAGIC; - lum.lmm_stripe_size = stripe_size; - lum.lmm_stripe_offset = stripe_offset; - lum.lmm_stripe_count = stripe_count; + fd = open(name, flags | O_LOV_DELAY_CREATE, mode); + if (fd < 0 && errno == EISDIR) { + fd = open(name, O_DIRECTORY | O_RDONLY); + isdir++; + } - fd = open(name, O_CREAT | O_RDWR | O_LOV_DELAY_CREATE, 0644); if (fd < 0) { - err_msg("unable to open '%s'",name); rc = -errno; + llapi_err(LLAPI_MSG_ERROR, "unable to open '%s'", name); return rc; } + + if ((rc = llapi_stripe_limit_check(stripe_size, stripe_offset, + stripe_count, stripe_pattern)) != 0){ + errno = rc; + goto out; + } + + /* Initialize IOCTL striping pattern structure */ + lum.lmm_magic = LOV_USER_MAGIC_V3; + lum.lmm_pattern = stripe_pattern; + lum.lmm_stripe_size = stripe_size; + lum.lmm_stripe_count = stripe_count; + lum.lmm_stripe_offset = stripe_offset; + + /* in case user give the full pool name ., skip + * the fsname */ + if (pool_name != NULL) { + ptr = strchr(pool_name, '.'); + if (ptr != NULL) { + strncpy(fsname, pool_name, ptr - pool_name); + fsname[ptr - pool_name] = '\0'; + /* if fsname matches a filesystem skip it + * if not keep the poolname as is */ + if (poolpath(fsname, NULL, NULL) == 0) + pool_name = ptr + 1; + } + strncpy(lum.lmm_pool_name, pool_name, LOV_MAXPOOLNAME); + } else { + /* If no pool is specified at all, use V1 request */ + lum.lmm_magic = LOV_USER_MAGIC_V1; + } + 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; + llapi_err_noerrno(LLAPI_MSG_ERROR, + "error on ioctl "LPX64" for '%s' (%d): %s", + (__u64)LL_IOC_LOV_SETSTRIPE, name, fd,errmsg); } - if (close(fd) < 0) { - err_msg("error on close for '%s' (%d)", name, fd); - if (rc == 0) - rc = -errno; +out: + if (rc) { + close(fd); + fd = rc; } - return rc; + + return fd; } +int llapi_file_open(const char *name, int flags, int mode, + unsigned long stripe_size, int stripe_offset, + int stripe_count, int stripe_pattern) +{ + return llapi_file_open_pool(name, flags, mode, stripe_size, + stripe_offset, stripe_count, + stripe_pattern, NULL); +} -struct find_param { - int recursive; - int verbose; - int quiet; - struct obd_uuid *obduuid; - struct obd_ioctl_data data; - struct lov_desc desc; - int uuidslen; - char *buf; - int buflen; - struct obd_uuid *uuids; - struct lov_user_md *lum; - int got_uuids; - int obdindex; - int max_ost_count; -}; +int llapi_file_create(const char *name, unsigned long stripe_size, + int stripe_offset, int stripe_count, int stripe_pattern) +{ + int fd; -/* XXX Max obds per lov currently hardcoded to 1000 in lov/lov_obd.c */ -#define MAX_LOV_UUID_COUNT 1000 -#define OBD_NOT_FOUND (-1) + fd = llapi_file_open_pool(name, O_CREAT | O_WRONLY, 0644, stripe_size, + stripe_offset, stripe_count, stripe_pattern, + NULL); + if (fd < 0) + return fd; -static int prepare_find(struct find_param *param) -{ - int datalen, desclen; - int cfglen, lumlen; - int max_ost_count = MAX_LOV_UUID_COUNT; + close(fd); + return 0; +} - datalen = size_round(sizeof(param->data)); - desclen = size_round(sizeof(param->desc)); - param->uuidslen = size_round(max_ost_count * sizeof(*param->uuids)); - cfglen = datalen + desclen + param->uuidslen; - lumlen = lov_mds_md_size(max_ost_count); - if (cfglen > lumlen) - param->buflen = cfglen; - else - param->buflen = lumlen; +int llapi_file_create_pool(const char *name, unsigned long stripe_size, + int stripe_offset, int stripe_count, + int stripe_pattern, char *pool_name) +{ + int fd; - /* XXX max ioctl buffer size currently hardcoded to 8192 */ - if (param->buflen > 8192) { - int nuuids, remaining; + fd = llapi_file_open_pool(name, O_CREAT | O_WRONLY, 0644, stripe_size, + stripe_offset, stripe_count, stripe_pattern, + pool_name); + if (fd < 0) + return fd; - param->buflen = 8192; - nuuids = (param->buflen - datalen - desclen) / - sizeof(*param->uuids); - param->uuidslen = size_round(nuuids * sizeof(*param->uuids)); - remaining = nuuids * sizeof(*param->uuids); - if (param->uuidslen > remaining) - nuuids--; - max_ost_count = nuuids; - while ((lumlen=lov_mds_md_size(max_ost_count)) > param->buflen) - --max_ost_count; + close(fd); + return 0; +} - cfglen = datalen + desclen + param->uuidslen; - } - if ((param->buf = malloc(param->buflen)) == NULL) { - err_msg("unable to allocate %d bytes of memory for ioctl's", - param->buflen); - return ENOMEM; +static int print_pool_members(char *fs, char *pool_dir, char *pool_file) +{ + char path[PATH_MAX + 1]; + char buf[1024]; + FILE *fd; + + llapi_printf(LLAPI_MSG_NORMAL, "Pool: %s.%s\n", fs, pool_file); + sprintf(path, "%s/%s", pool_dir, pool_file); + if ((fd = fopen(path, "r")) == NULL) { + llapi_err(LLAPI_MSG_ERROR, "Cannot open %s\n", path); + return -EINVAL; } + while (fgets(buf, sizeof(buf), fd) != NULL) + llapi_printf(LLAPI_MSG_NORMAL, buf); - param->lum = (struct lov_user_md *)param->buf; - param->uuids = (struct obd_uuid *)param->buf; - param->got_uuids = 0; - param->obdindex = OBD_NOT_FOUND; - param->max_ost_count = max_ost_count; - + fclose(fd); return 0; } -static void cleanup_find(struct find_param *param) +/* + * search lustre fsname from pathname + * + */ +static int search_fsname(char *pathname, char *fsname) { - if (param->obduuid) - free(param->obduuid); - if (param->buf) - free(param->buf); + char *ptr; + FILE *fp; + struct mntent *mnt = NULL; + + /* get the mount point */ + fp = setmntent(MOUNTED, "r"); + if (fp == NULL) { + llapi_err(LLAPI_MSG_ERROR, + "setmntent(%s) failed: %s:", MOUNTED, + strerror (errno)); + return -EIO; + } + mnt = getmntent(fp); + while ((feof(fp) == 0) && ferror(fp) == 0) { + if (llapi_is_lustre_mnt(mnt)) { + /* search by pathname */ + if (strncmp(mnt->mnt_dir, pathname, + max(strlen(pathname), + strlen(mnt->mnt_dir))) == 0) { + ptr = strchr(mnt->mnt_fsname, '/'); + if (ptr == NULL) + return -EINVAL; + ptr++; + strcpy(fsname, ptr); + return 0; + } + } + mnt = getmntent(fp); + } + endmntent(fp); + return -ENOENT; } -static int get_obd_uuids(DIR *dir, char *dname, struct find_param *param) +/* + * find the pool directory path under /proc + * (can be also used to test if a fsname is known) + */ +static int poolpath(char *fsname, char *pathname, char *pool_pathname) { - int obdcount; - struct obd_uuid *uuidp; - int rc, i; - - param->got_uuids = 1; - memset(¶m->data, 0, sizeof(param->data)); - param->data.ioc_inllen1 = sizeof(struct lov_desc); - param->data.ioc_inlbuf1 = (char *)¶m->desc; - param->data.ioc_inllen2 = param->uuidslen; - param->data.ioc_inlbuf2 = (char *)param->uuids; - - memset(¶m->desc, 0, sizeof(struct lov_desc)); - param->desc.ld_tgt_count = param->max_ost_count; + int rc = 0; + glob_t glob_info; + char pattern[PATH_MAX + 1]; + char buffer[PATH_MAX]; - if (obd_ioctl_pack(¶m->data, ¶m->buf, param->buflen)) { - fprintf(stderr, "internal buffer error from %s\n", dname); - return (param->obduuid ? EINVAL : 0); + if (fsname == NULL) { + rc = search_fsname(pathname, buffer); + if (rc != 0) + return rc; + fsname = buffer; + strcpy(pathname, fsname); } - rc = ioctl(dirfd(dir), OBD_IOC_LOV_GET_CONFIG, param->buf); - if (rc) { - err_msg("error getting LOV config from %s", dname); - return (param->obduuid ? errno : 0); - } + snprintf(pattern, PATH_MAX, + "/proc/fs/lustre/lov/%s-*/pools", + fsname); + rc = glob(pattern, GLOB_BRACE, NULL, &glob_info); + if (rc) + return -ENOENT; - if (obd_ioctl_unpack(¶m->data, param->buf, param->buflen)) { - err_msg("invalid reply from ioctl from %s", dname); - return (param->obduuid ? EINVAL : 0); + if (glob_info.gl_pathc == 0) { + globfree(&glob_info); + return -ENOENT; } - obdcount = param->desc.ld_tgt_count; - if (obdcount == 0) - return 0; - - if (param->obduuid) { - for (i = 0, uuidp = param->uuids; i < obdcount; i++, uuidp++) { - if (strncmp(param->obduuid->uuid, uuidp->uuid, - sizeof(*uuidp)) == 0) { - param->obdindex = i; - break; - } - } - } else if (!param->quiet) { - printf("OBDS:\n"); - for (i = 0, uuidp = param->uuids; i < obdcount; i++, uuidp++) - printf("%4d: %s\n", i, uuidp->uuid); - } + /* in fsname test mode, pool_pathname is NULL */ + if (pool_pathname != NULL) + strcpy(pool_pathname, glob_info.gl_pathv[0]); return 0; } -void lov_dump_user_lmm_v1(struct lov_user_md_v1 *lum, char *dname, char *fname, - int obdindex, int quiet, int header, int body) +int llapi_poollist(char *name) { - int i; + char *poolname; + char *fsname; + char rname[PATH_MAX + 1], pathname[PATH_MAX + 1]; + char *ptr; + int rc = 0; - if (obdindex != OBD_NOT_FOUND) { - for (i = 0; i < lum->lmm_stripe_count; i++) { - if (obdindex == lum->lmm_objects[i].l_ost_idx) { - printf("%s/%s\n", dname, fname); - break; - } + /* is name a pathname ? */ + ptr = strchr(name, '/'); + if (ptr != NULL) { + /* only absolute pathname is supported */ + if (*name != '/') + return -EINVAL; + if (!realpath(name, rname)) { + rc = -errno; + llapi_err(LLAPI_MSG_ERROR, + "llapi_poollist: invalid path '%s'", + name); + return rc; } - } else if (!quiet) { - printf("%s/%s\n", dname, fname); - } - if (header) { - printf("lmm_magic: 0x%80X\n", lum->lmm_magic); - printf("lmm_object_gr: "LPX64"\n", lum->lmm_object_gr); - printf("lmm_object_id: "LPX64"\n", lum->lmm_object_id); - printf("lmm_stripe_count: %u\n", (int)lum->lmm_stripe_count); - printf("lmm_stripe_size: %u\n", lum->lmm_stripe_size); - printf("lmm_stripe_pattern: %x\n", lum->lmm_pattern); + rc = poolpath(NULL, rname, pathname); + if (rc != 0) { + errno = -rc; + llapi_err(LLAPI_MSG_ERROR, + "llapi_poollist: '%s' is not" + " a Lustre filesystem", + name); + return rc; + } + fsname = rname; + poolname = NULL; + } else { + /* name is FSNAME[.POOLNAME] */ + fsname = name; + poolname = strchr(name, '.'); + if (poolname != NULL) { + *poolname = '\0'; + poolname++; + } + rc = poolpath(fsname, NULL, pathname); + if (rc != 0) { + errno = -rc; + llapi_err(LLAPI_MSG_ERROR, + "llapi_poollist: Lustre filesystem '%s'" + " not found", name); + return rc; + } + } + if (rc != 0) { + errno = -rc; + llapi_err(LLAPI_MSG_ERROR, + "llapi_poollist: Lustre filesystem '%s' not found", + name); + return rc; } - if (body) { - long long oid; - - if (!quiet) - printf("\tobdidx\t\t objid\t\tobjid\t\t group\n"); + if (poolname != NULL) { + rc = print_pool_members(fsname, pathname, poolname); + poolname--; + *poolname = '.'; + } else { + DIR *dir; + struct dirent *pool; - for (i = 0; i < lum->lmm_stripe_count; i++) { - int idx = lum->lmm_objects[i].l_ost_idx; - oid = lum->lmm_objects[i].l_object_id; - printf("\t%6u\t%14llu\t%#13llx\t%14lld%s\n", idx, oid, - oid, (long long)lum->lmm_objects[i].l_object_gr, - obdindex == idx ? " *" : ""); + llapi_printf(LLAPI_MSG_NORMAL, "Pools from %s:\n", fsname); + if ((dir = opendir(pathname)) == NULL) { + return -EINVAL; } - printf("\n"); + while ((pool = readdir(dir)) != NULL) { + if (!((pool->d_name[0] == '.') && + (pool->d_name[1] == '\0')) && + !((pool->d_name[0] == '.') && + (pool->d_name[1] == '.') && + (pool->d_name[2] == '\0'))) + llapi_printf(LLAPI_MSG_NORMAL, " %s.%s\n", + fsname, pool->d_name); + } + closedir(dir); } + return rc; } -void lov_dump_user_lmm(struct find_param *param, char *dname, char *fname) +typedef int (semantic_func_t)(char *path, DIR *parent, DIR *d, + void *data, cfs_dirent_t *de); + +#define MAX_LOV_UUID_COUNT max(LOV_MAX_STRIPE_COUNT, 1000) +#define OBD_NOT_FOUND (-1) + +static int common_param_init(struct find_param *param) { - switch(*(__u32 *)param->lum) { /* lum->lmm_magic */ - case LOV_USER_MAGIC_V1: - lov_dump_user_lmm_v1(param->lum, dname, fname, param->obdindex, - param->quiet, param->verbose, - (param->verbose || !param->obduuid)); - break; - default: - printf("unknown lmm_magic: 0x%08X\n", *(__u32 *)param->lum); - return; + param->lumlen = lov_mds_md_size(MAX_LOV_UUID_COUNT, LOV_MAGIC_V3); + if ((param->lmd = malloc(sizeof(lstat_t) + param->lumlen)) == NULL) { + llapi_err(LLAPI_MSG_ERROR, + "error: allocation of %d bytes for ioctl", + sizeof(lstat_t) + param->lumlen); + return -ENOMEM; } + + param->got_uuids = 0; + param->obdindexes = NULL; + param->obdindex = OBD_NOT_FOUND; + return 0; } -static int process_file(DIR *dir, char *dname, char *fname, - struct find_param *param) +static void find_param_fini(struct find_param *param) { - int rc; + if (param->obdindexes) + free(param->obdindexes); - strncpy((char *)param->lum, fname, param->buflen); + if (param->lmd) + free(param->lmd); +} - rc = ioctl(dirfd(dir), IOC_MDC_GETSTRIPE, (void *)param->lum); +int llapi_file_fget_lov_uuid(int fd, struct obd_uuid *lov_name) +{ + int rc = ioctl(fd, OBD_IOC_GETNAME, lov_name); 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; - } + rc = errno; + llapi_err(LLAPI_MSG_ERROR, "error: can't get lov name."); + } + return rc; +} + +int llapi_file_get_lov_uuid(const char *path, struct obd_uuid *lov_uuid) +{ + int fd, rc; + + fd = open(path, O_RDONLY); + if (fd < 0) { + rc = errno; + llapi_err(LLAPI_MSG_ERROR, "error opening %s", path); return rc; } - lov_dump_user_lmm(param, dname, fname); + rc = llapi_file_fget_lov_uuid(fd, lov_uuid); - return 0; -} + close(fd); + return rc; +} -static int process_dir(DIR *dir, char *dname, struct find_param *param) +/* + * If uuidp is NULL, return the number of available obd uuids. + * If uuidp is non-NULL, then it will return the uuids of the obds. If + * there are more OSTs then allocated to uuidp, then an error is returned with + * the ost_count set to number of available obd uuids. + */ +int llapi_lov_get_uuids(int fd, struct obd_uuid *uuidp, int *ost_count) { - struct dirent64 *dirp; - DIR *subdir; - char path[1024]; - int rc; + struct obd_uuid lov_name; + char buf[1024]; + FILE *fp; + int rc = 0, index = 0; + + /* Get the lov name */ + rc = llapi_file_fget_lov_uuid(fd, &lov_name); + if (rc) + return rc; - if (!param->got_uuids) { - rc = get_obd_uuids(dir, dname, param); - if (rc) - return rc; + /* Now get the ost uuids from /proc */ + snprintf(buf, sizeof(buf), "/proc/fs/lustre/lov/%s/target_obd", + lov_name.uuid); + fp = fopen(buf, "r"); + if (fp == NULL) { + rc = errno; + llapi_err(LLAPI_MSG_ERROR, "error: opening '%s'", buf); + return rc; } - /* Handle the contents of the directory */ - while ((dirp = readdir64(dir)) != NULL) { - if (!strcmp(dirp->d_name, ".") || !strcmp(dirp->d_name, "..")) - continue; - - switch (dirp->d_type) { - case DT_UNKNOWN: - err_msg("\"%s\" is UNKNOWN type %d", dirp->d_name, - dirp->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; - break; - case DT_DIR: - if (!param->recursive) + while (fgets(buf, sizeof(buf), fp) != NULL) { + if (uuidp && (index < *ost_count)) { + if (sscanf(buf, "%d: %s", &index, uuidp[index].uuid) <2) 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; - break; - default: - break; } + index++; } - return 0; + fclose(fp); + + if (uuidp && (index >= *ost_count)) + return -EOVERFLOW; + + *ost_count = index; + return rc; } -static int process_path(char *path, struct find_param *param) +int llapi_get_obd_count(char *mnt, int *count, int is_mdt) { - char *fname, *dname; - DIR *dir; - int rc = 0; + DIR *root; + int rc; - 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; - } else { - rc = process_dir(dir, path, param); - closedir(dir); - } - } 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; - } - dir = opendir(dname); - if (dir == NULL) { - err_msg("\"%.40s\" opendir failed", dname); - rc = errno; - } else { - if (!param->got_uuids) - rc = get_obd_uuids(dir, dname, param); - if (rc == 0) - rc = process_file(dir, dname, fname, param); - closedir(dir); - } + root = opendir(mnt); + if (!root) { + llapi_err(LLAPI_MSG_ERROR, "open %s failed", mnt); + return -1; } + *count = is_mdt; + rc = ioctl(dirfd(root), LL_IOC_GETOBDCOUNT, count); + + closedir(root); return rc; } - -int op_find(char *path, struct obd_uuid *obduuid, int recursive, - int verbose, int quiet) +/* Here, param->obduuid points to a single obduuid, the index of which is + * returned in param->obdindex */ +static int setup_obd_uuid(DIR *dir, char *dname, struct find_param *param) { - struct find_param param; - int ret = 0; - - memset(¶m, 0, sizeof(param)); - param.recursive = recursive; - param.verbose = verbose; - param.quiet = quiet; - if (obduuid) { - param.obduuid = malloc(sizeof(*obduuid)); - if (param.obduuid == NULL) { - ret = ENOMEM; - goto out; + struct obd_uuid lov_uuid; + char uuid[sizeof(struct obd_uuid)]; + char buf[1024]; + FILE *fp; + int rc = 0, index; + + /* Get the lov name */ + rc = llapi_file_fget_lov_uuid(dirfd(dir), &lov_uuid); + if (rc) { + if (errno != ENOTTY) { + rc = errno; + llapi_err(LLAPI_MSG_ERROR, + "error: can't get lov name: %s", dname); + } else { + rc = 0; } - memcpy(param.obduuid, obduuid, sizeof(*obduuid)); + return rc; } - ret = prepare_find(¶m); - if (ret) - goto out; - - process_path(path, ¶m); -out: - cleanup_find(¶m); - return ret; -} - -#define MAX_STRING_SIZE 128 + param->got_uuids = 1; -int op_check(int type_num, char **obd_type, char *dir) -{ - int rc=0; - int i=0,j=0,k; - char buf[OBD_MAX_IOCTL_BUFFER]; - char *buf2; - struct obd_ioctl_data *data = (struct obd_ioctl_data *)buf; - - memset(buf, 0, sizeof(buf)); - data->ioc_version = OBD_IOCTL_VERSION; - data->ioc_inllen1 = sizeof(buf) - size_round(sizeof(*data)); - data->ioc_len = obd_ioctl_packlen(data); - - rc = l_ioctl(OBD_DEV_ID, OBD_IOC_LIST, data); - - buf2 = data->ioc_bulk; - - if (!data->ioc_inlbuf1) { - err_msg("No buffer passed!\n"); + /* Now get the ost uuids from /proc */ + snprintf(buf, sizeof(buf), "/proc/fs/lustre/lov/%s/target_obd", + lov_uuid.uuid); + fp = fopen(buf, "r"); + if (fp == NULL) { rc = errno; + llapi_err(LLAPI_MSG_ERROR, "error: opening '%s'", buf); + return rc; } - do { - char status[3]; - char obd_type_name[sizeof(struct obd_type)]; - char obd_name[MAX_STRING_SIZE]; - char obd_uuid[sizeof(struct obd_uuid)]; - int obd_type_refcnt; + if (!param->obduuid && !param->quiet && !param->obds_printed) + llapi_printf(LLAPI_MSG_NORMAL, "OBDS:\n"); - char rawbuf[OBD_MAX_IOCTL_BUFFER]; - char *bufl = rawbuf; - int max = sizeof(rawbuf); - struct obd_ioctl_data datal; - struct obd_statfs osfs_buffer; - - memset (&osfs_buffer, 0, sizeof (osfs_buffer)); + while (fgets(buf, sizeof(buf), fp) != NULL) { + if (sscanf(buf, "%d: %s", &index, uuid) < 2) + break; - memset(bufl, 0, sizeof(rawbuf)); - datal.ioc_pbuf1 = (char *)&osfs_buffer; - datal.ioc_plen1 = sizeof (osfs_buffer); + 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 */ + llapi_printf(LLAPI_MSG_NORMAL, "%s", buf); + } + } + param->obds_printed = 1; - j = sscanf(buf2,"%d %s %s %s %s %d",&j, - status,obd_type_name, - obd_name, obd_uuid, - &obd_type_refcnt); + fclose(fp); + + if (!param->quiet && param->obduuid && + (param->obdindex == OBD_NOT_FOUND)) { + llapi_err_noerrno(LLAPI_MSG_ERROR, + "error: %s: unknown obduuid: %s", + __FUNCTION__, param->obduuid->uuid); + //rc = EINVAL; + } - if (j != 6) break; + return (rc); +} - for (k=0;kobduuid will be an array of obduuids and + * obd index for all these obduuids will be returned in + * param->obdindexes */ +static int setup_obd_indexes(DIR *dir, struct find_param *param) +{ + struct obd_uuid *uuids = NULL; + int obdcount = INIT_ALLOC_NUM_OSTS; + int ret, obd_valid = 0, obdnum, i; + + uuids = (struct obd_uuid *)malloc(INIT_ALLOC_NUM_OSTS * + sizeof(struct obd_uuid)); + if (uuids == NULL) + return -ENOMEM; + +retry_get_uuids: + ret = llapi_lov_get_uuids(dirfd(dir), uuids, + &obdcount); + if (ret) { + struct obd_uuid *uuids_temp; + + if (ret == -EOVERFLOW) { + uuids_temp = realloc(uuids, obdcount * + sizeof(struct obd_uuid)); + if (uuids_temp != NULL) + goto retry_get_uuids; + else + ret = -ENOMEM; + } - obd_ioctl_pack(&datal,&bufl,max); + llapi_err(LLAPI_MSG_ERROR, "get ost uuid failed"); + return ret; + } - rc = ioctl(dirfd(opendir(dir)), OBD_IOC_PING,bufl); + param->obdindexes = malloc(param->num_obds * sizeof(param->obdindex)); + if (param->obdindexes == NULL) + return -ENOMEM; - if (rc) { - fprintf(stderr, "error: check %s: %s\n", - obd_name, strerror(rc = errno)); - } else { - printf("%s active.\n",obd_name); - } + for (obdnum = 0; obdnum < param->num_obds; obdnum++) { + for (i = 0; i <= obdcount; i++) { + if (strcmp((char *)¶m->obduuid[obdnum].uuid, + (char *)&uuids[i]) == 0) { + param->obdindexes[obdnum] = i; + obd_valid++; + break; } + } + if (i == obdcount) + param->obdindexes[obdnum] = OBD_NOT_FOUND; + } - if (j==6) - for (i=0;buf2[i]!= '\n';i++); - - buf2 +=(i+1); + if (obd_valid == 0) + param->obdindex = OBD_NOT_FOUND; + else + param->obdindex = obd_valid; - } while (j==6); + param->got_uuids = 1; - return rc; + return 0; } -#undef MAX_STRING_SIZE +void lov_dump_user_lmm_v1v3(struct lov_user_md *lum, char *pool_name, + struct lov_user_ost_data_v1 *objects, + 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; !is_dir && i < lum->lmm_stripe_count; i++) { + if (obdindex == objects[i].l_ost_idx) { + llapi_printf(LLAPI_MSG_NORMAL, "%s\n", path); + obdstripe = 1; + break; + } + } + } else if (!quiet) { + llapi_printf(LLAPI_MSG_NORMAL, "%s\n", path); + obdstripe = 1; + } + + /* if it's a directory */ + if (is_dir) { + if (obdstripe == 1) { + if (lum->lmm_object_gr == LOV_OBJECT_GROUP_DEFAULT) { + llapi_printf(LLAPI_MSG_NORMAL, "(Default) "); + lum->lmm_object_gr = LOV_OBJECT_GROUP_CLEAR; + } + llapi_printf(LLAPI_MSG_NORMAL, + "stripe_count: %d stripe_size: %u " + "stripe_offset: %d%s%s\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, + pool_name != NULL ? " pool: " : "", + pool_name != NULL ? pool_name : ""); + } + return; + } + + if (header && (obdstripe == 1)) { + llapi_printf(LLAPI_MSG_NORMAL, "lmm_magic: 0x%08X\n", + lum->lmm_magic); + llapi_printf(LLAPI_MSG_NORMAL, "lmm_object_gr: "LPX64"\n", + lum->lmm_object_gr); + llapi_printf(LLAPI_MSG_NORMAL, "lmm_object_id: "LPX64"\n", + lum->lmm_object_id); + llapi_printf(LLAPI_MSG_NORMAL, "lmm_stripe_count: %u\n", + (int)lum->lmm_stripe_count); + llapi_printf(LLAPI_MSG_NORMAL, "lmm_stripe_size: %u\n", + lum->lmm_stripe_size); + llapi_printf(LLAPI_MSG_NORMAL, "lmm_stripe_pattern: %x\n", + lum->lmm_pattern); + if (pool_name != NULL) + llapi_printf(LLAPI_MSG_NORMAL, + "lmm_pool_name: %s\n", pool_name); + } + + if (body) { + if ((!quiet) && (obdstripe == 1)) + llapi_printf(LLAPI_MSG_NORMAL, + "\tobdidx\t\t objid\t\tobjid\t\t group\n"); + + for (i = 0; i < lum->lmm_stripe_count; i++) { + int idx = objects[i].l_ost_idx; + long long oid = objects[i].l_object_id; + long long gr = objects[i].l_object_gr; + if ((obdindex == OBD_NOT_FOUND) || (obdindex == idx)) + llapi_printf(LLAPI_MSG_NORMAL, + "\t%6u\t%14llu\t%#13llx\t%14llu%s\n", + idx, oid, oid, gr, + obdindex == idx ? " *" : ""); + } + llapi_printf(LLAPI_MSG_NORMAL, "\n"); + } +} + +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) +{ + struct lov_user_md_join *lumj = (struct lov_user_md_join *)lum; + int i, obdstripe = 0; + + if (obdindex != OBD_NOT_FOUND) { + for (i = 0; i < lumj->lmm_stripe_count; i++) { + if (obdindex == lumj->lmm_objects[i].l_ost_idx) { + llapi_printf(LLAPI_MSG_NORMAL, "%s\n", path); + obdstripe = 1; + break; + } + } + } else if (!quiet) { + llapi_printf(LLAPI_MSG_NORMAL, "%s\n", path); + obdstripe = 1; + } + + if (header && obdstripe == 1) { + llapi_printf(LLAPI_MSG_NORMAL, "lmm_magic: 0x%08X\n", + lumj->lmm_magic); + llapi_printf(LLAPI_MSG_NORMAL, "lmm_object_gr: "LPX64"\n", + lumj->lmm_object_gr); + llapi_printf(LLAPI_MSG_NORMAL, "lmm_object_id: "LPX64"\n", + lumj->lmm_object_id); + llapi_printf(LLAPI_MSG_NORMAL, "lmm_stripe_count: %u\n", + (int)lumj->lmm_stripe_count); + llapi_printf(LLAPI_MSG_NORMAL, "lmm_stripe_size: %u\n", + lumj->lmm_stripe_size); + llapi_printf(LLAPI_MSG_NORMAL, "lmm_stripe_pattern: %x\n", + lumj->lmm_pattern); + llapi_printf(LLAPI_MSG_NORMAL, "lmm_extent_count: %x\n", + lumj->lmm_extent_count); + } + + if (body) { + unsigned long long start = -1, end = 0; + if (!quiet && obdstripe == 1) + llapi_printf(LLAPI_MSG_NORMAL, + "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) + llapi_printf(LLAPI_MSG_NORMAL, + "\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; + llapi_printf(LLAPI_MSG_NORMAL,"\t%14llu",start); + end = lumj->lmm_objects[i].l_extent_end; + if (end == (unsigned long long)-1) + llapi_printf(LLAPI_MSG_NORMAL, + "\t\tEOF\n"); + else + llapi_printf(LLAPI_MSG_NORMAL, + "\t\t%llu\n", end); + } else { + llapi_printf(LLAPI_MSG_NORMAL, "\t\t\t\t\n"); + } + } + llapi_printf(LLAPI_MSG_NORMAL, "\n"); + } +} + +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_v1v3(¶m->lmd->lmd_lmm, NULL, + param->lmd->lmd_lmm.lmm_objects, + 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; + case LOV_USER_MAGIC_V3: { + char pool_name[LOV_MAXPOOLNAME + 1]; + struct lov_user_ost_data_v1 *objects; + struct lov_user_md_v3 *lmmv3 = (void *)¶m->lmd->lmd_lmm; + + strncpy(pool_name, lmmv3->lmm_pool_name, LOV_MAXPOOLNAME); + pool_name[LOV_MAXPOOLNAME] = '\0'; + objects = lmmv3->lmm_objects; + lov_dump_user_lmm_v1v3(¶m->lmd->lmd_lmm, pool_name, + objects, path, is_dir, + param->obdindex, param->quiet, + param->verbose, + (param->verbose || !param->obduuid)); + break; + } + default: + llapi_printf(LLAPI_MSG_NORMAL, "unknown lmm_magic: %#x " + "(expecting one of %#x %#x %#x)\n", + *(__u32 *)¶m->lmd->lmd_lmm, + LOV_USER_MAGIC_V1, LOV_USER_MAGIC_JOIN, + LOV_USER_MAGIC_V3); + return; + } +} + +int llapi_file_get_stripe(const char *path, struct lov_user_md *lum) +{ + 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 = (char *)path; + } else { + dname = (char *)malloc(fname - path + 1); + if (dname == NULL) + return ENOMEM; + strncpy(dname, path, fname - path); + dname[fname - path] = '\0'; + fname++; + } + + if ((fd = open(dname, O_RDONLY)) == -1) { + rc = errno; + free(dname); + return rc; + } + + strcpy((char *)lum, fname); + if (ioctl(fd, IOC_MDC_GETFILESTRIPE, (void *)lum) == -1) + rc = errno; + + if (close(fd) == -1 && rc == 0) + rc = errno; + + free(dname); + + return rc; +} + +int llapi_file_lookup(int dirfd, const char *name) +{ + struct obd_ioctl_data data = { 0 }; + char rawbuf[8192]; + char *buf = rawbuf; + int rc; + + if (dirfd < 0 || name == NULL) + return -EINVAL; + + 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) { + llapi_err(LLAPI_MSG_ERROR, + "error: IOC_MDC_LOOKUP pack failed for '%s': rc %d", + name, rc); + return rc; + } + + return ioctl(dirfd, IOC_MDC_LOOKUP, buf); +} + +int llapi_mds_getfileinfo(char *path, DIR *parent, + struct lov_user_mds_data *lmd) +{ + lstat_t *st = &lmd->lmd_st; + char *fname = strrchr(path, '/'); + int ret = 0; + + if (parent == NULL) + return -EINVAL; + + fname = (fname == NULL ? path : fname + 1); + /* retrieve needed file info */ + strncpy((char *)lmd, fname, + lov_mds_md_size(MAX_LOV_UUID_COUNT, LOV_MAGIC)); + ret = ioctl(dirfd(parent), IOC_MDC_GETFILEINFO, (void *)lmd); + + if (ret) { + if (errno == ENOTTY) { + /* ioctl is not supported, it is not a lustre fs. + * Do the regular lstat(2) instead. */ + ret = lstat_f(path, st); + if (ret) { + llapi_err(LLAPI_MSG_ERROR, + "error: %s: lstat failed for %s", + __FUNCTION__, path); + return ret; + } + } else if (errno == ENOENT) { + llapi_err(LLAPI_MSG_WARN, + "warning: %s: %s does not exist", + __FUNCTION__, path); + return -ENOENT; + } else { + llapi_err(LLAPI_MSG_ERROR, + "error: %s: IOC_MDC_GETFILEINFO failed for %s", + __FUNCTION__, path); + return ret; + } + } + + return 0; +} + +static DIR *opendir_parent(char *path) +{ + DIR *parent; + char *fname; + char c; + + fname = strrchr(path, '/'); + if (fname == NULL) + return opendir("."); + + c = fname[1]; + fname[1] = '\0'; + parent = opendir(path); + fname[1] = c; + return parent; +} + +static int llapi_semantic_traverse(char *path, int size, DIR *parent, + semantic_func_t sem_init, + semantic_func_t sem_fini, void *data, + cfs_dirent_t *de) +{ + cfs_dirent_t *dent; + int len, ret; + DIR *d, *p = NULL; + + ret = 0; + len = strlen(path); + + d = opendir(path); + if (!d && errno != ENOTDIR) { + llapi_err(LLAPI_MSG_ERROR, "%s: Failed to open '%s'", + __FUNCTION__, path); + return -EINVAL; + } else if (!d && !parent) { + /* ENOTDIR. Open the parent dir. */ + p = opendir_parent(path); + if (!p) + GOTO(out, ret = -EINVAL); + } + + if (sem_init && (ret = sem_init(path, parent ?: p, d, data, de))) + goto err; + + if (!d) + GOTO(out, ret = 0); + + while ((dent = readdir64(d)) != NULL) { + ((struct find_param *)data)->have_fileinfo = 0; + + if (!strcmp(dent->d_name, ".") || !strcmp(dent->d_name, "..")) + continue; + + /* Don't traverse .lustre directory */ + if (!(strcmp(dent->d_name, mdd_dot_lustre_name))) + continue; + + path[len] = 0; + if ((len + dent->d_reclen + 2) > size) { + llapi_err(LLAPI_MSG_ERROR, + "error: %s: string buffer is too small", + __FUNCTION__); + break; + } + strcat(path, "/"); + strcat(path, dent->d_name); + + if (dent->d_type == DT_UNKNOWN) { + lstat_t *st = &((struct find_param *)data)->lmd->lmd_st; + + ret = llapi_mds_getfileinfo(path, d, + ((struct find_param *)data)->lmd); + if (ret == 0) { + ((struct find_param *)data)->have_fileinfo = 1; + dent->d_type = + llapi_filetype_dir_table[st->st_mode & + S_IFMT]; + } + if (ret == -ENOENT) + continue; + } + + switch (dent->d_type) { + case DT_UNKNOWN: + llapi_err(LLAPI_MSG_ERROR, + "error: %s: '%s' is UNKNOWN type %d", + __FUNCTION__, dent->d_name, dent->d_type); + break; + case DT_DIR: + ret = llapi_semantic_traverse(path, size, d, sem_init, + sem_fini, data, dent); + if (ret < 0) + goto out; + break; + default: + ret = 0; + if (sem_init) { + ret = sem_init(path, d, NULL, data, dent); + if (ret < 0) + goto out; + } + if (sem_fini && ret == 0) + sem_fini(path, d, NULL, data, dent); + } + } + +out: + path[len] = 0; + + if (sem_fini) + sem_fini(path, parent, d, data, de); +err: + if (d) + closedir(d); + if (p) + closedir(p); + return ret; +} + +/* Check if the value 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 below gives the answers for the specified parameters (value and + * sign), 1st column is the answer for the MDS value, 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 value is within the interval + * (limit - margin, limit]. */ +static int find_value_cmp(unsigned int file, unsigned int limit, int sign, + unsigned long long margin, int mds) +{ + if (sign > 0) { + if (file < limit) + return mds ? 0 : 1; + } + + if (sign == 0) { + if (file <= limit && file + margin > limit) + return mds ? 0 : 1; + if (file + margin <= 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) +{ + int ret; + int rc = 0; + + /* Check if file is accepted. */ + if (param->atime) { + ret = find_value_cmp(st->st_atime, param->atime, + param->asign, 24 * 60 * 60, mds); + if (ret < 0) + return ret; + rc = ret; + } + + if (param->mtime) { + ret = find_value_cmp(st->st_mtime, param->mtime, + param->msign, 24 * 60 * 60, 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_value_cmp(st->st_ctime, param->ctime, + param->csign, 24 * 60 * 60, 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, cfs_dirent_t *de) +{ + 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 checked_type = 0; + int ret = 0; + + LASSERT(parent != NULL || dir != NULL); + + param->lmd->lmd_lmm.lmm_stripe_count = 0; + + /* 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)) + goto decided; + } + + /* See if we can check the file type from the dirent. */ + if (param->type && de != NULL && de->d_type != DT_UNKNOWN && + de->d_type < DT_MAX) { + checked_type = 1; + if (llapi_dir_filetype_table[de->d_type] == param->type) { + if (param->exclude_type) + goto decided; + } else { + if (!param->exclude_type) + goto decided; + } + } + + + /* If a time or OST should be checked, the decision is not taken yet. */ + if (param->atime || param->ctime || param->mtime || param->obduuid || + param->size) + decision = 0; + + ret = 0; + /* Request MDS for the stat info. */ + if (param->have_fileinfo == 0) { + if (dir) { + /* retrieve needed file info */ + ret = ioctl(dirfd(dir), LL_IOC_MDC_GETINFO, + (void *)param->lmd); + } else { + 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) { + llapi_err(LLAPI_MSG_ERROR, + "error: %s: lstat failed for %s", + __FUNCTION__, path); + return ret; + } + } else if (errno == ENOENT) { + llapi_err(LLAPI_MSG_WARN, + "warning: %s: %s does not exist", + __FUNCTION__, path); + goto decided; + } else { + llapi_err(LLAPI_MSG_ERROR,"error: %s: %s failed for %s", + __FUNCTION__, dir ? "LL_IOC_MDC_GETINFO" : + "IOC_MDC_GETFILEINFO", path); + return ret; + } + } + + if (param->type && !checked_type) { + if ((st->st_mode & S_IFMT) == param->type) { + if (param->exclude_type) + goto decided; + } else { + if (!param->exclude_type) + goto decided; + } + } + + /* 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; + } + + if (lustre_fs && !param->got_uuids) { + ret = setup_obd_indexes(dir ? dir : parent, 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 an OBD UUID is specified but no one matches, skip this file. */ + if (param->obduuid && param->obdindex == OBD_NOT_FOUND) + goto decided; + + /* If a OST UUID is given, and some OST matches, check it here. */ + if (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) { + goto decided; + } else { + int i, j; + struct lov_user_ost_data_v1 *lmm_objects; + + if (param->lmd->lmd_lmm.lmm_magic == + LOV_USER_MAGIC_V3) { + struct lov_user_md_v3 *lmmv3 = + (void *)¶m->lmd->lmd_lmm; + + lmm_objects = lmmv3->lmm_objects; + } else { + lmm_objects = param->lmd->lmd_lmm.lmm_objects; + } + + for (i = 0; + i < param->lmd->lmd_lmm.lmm_stripe_count; i++) { + for (j = 0; j < param->num_obds; j++) { + if (param->obdindexes[j] == + lmm_objects[i].l_ost_idx) + goto obd_matches; + } + } + + if (i == param->lmd->lmd_lmm.lmm_stripe_count) + goto decided; + } + } + + if (param->check_uid) { + if (st->st_uid == param->uid) { + if (param->exclude_uid) + goto decided; + } else { + if (!param->exclude_uid) + goto decided; + } + } + + if (param->check_gid) { + if (st->st_gid == param->gid) { + if (param->exclude_gid) + goto decided; + } else { + if (!param->exclude_gid) + goto decided; + } + } + + if (param->check_pool) { + struct lov_user_md_v3 *lmmv3 = (void *)¶m->lmd->lmd_lmm; + + /* empty requested pool is taken as no pool search => V1 */ + if (((param->lmd->lmd_lmm.lmm_magic == LOV_USER_MAGIC_V1) && + (param->poolname[0] == '\0')) || + ((param->lmd->lmd_lmm.lmm_magic == LOV_USER_MAGIC_V3) && + (strncmp(lmmv3->lmm_pool_name, + param->poolname, LOV_MAXPOOLNAME) == 0)) || + ((param->lmd->lmd_lmm.lmm_magic == LOV_USER_MAGIC_V3) && + (strcmp(param->poolname, "*") == 0))) { + if (param->exclude_pool) + goto decided; + } else { + if (!param->exclude_pool) + goto decided; + } + } + + /* 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); + } + +obd_matches: + /* If file still fits the request, ask ost for updated info. + The regular stat is almost of the same speed as some new + 'glimpse-size-ioctl'. */ + if (!decision && S_ISREG(st->st_mode) && + (param->lmd->lmd_lmm.lmm_stripe_count || param->size)) { + 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; + llapi_printf(LLAPI_MSG_NORMAL, + "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) { + if (errno == ENOENT) { + llapi_err(LLAPI_MSG_ERROR, + "warning: %s: %s does not exist", + __FUNCTION__, path); + goto decided; + } else { + llapi_err(LLAPI_MSG_ERROR, + "%s: IOC_LOV_GETINFO on %s failed", + __FUNCTION__, path); + return ret; + } + } + + /* Check the time on osc. */ + decision = find_time_check(st, param, 0); + if (decision == -1) + goto decided; + } + + if (param->size) + decision = find_value_cmp(st->st_size, param->size, + param->size_sign, param->size_units, + 0); + +print_path: + if (decision != -1) { + llapi_printf(LLAPI_MSG_NORMAL, "%s", path); + if (param->zeroend) + llapi_printf(LLAPI_MSG_NORMAL, "%c", '\0'); + else + llapi_printf(LLAPI_MSG_NORMAL, "\n"); + } + +decided: + /* Do not get down anymore? */ + if (param->depth == param->maxdepth) + return 1; + + param->depth++; + return 0; +} + +static int cb_common_fini(char *path, DIR *parent, DIR *d, void *data, + cfs_dirent_t *de) +{ + 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) { + llapi_err(LLAPI_MSG_ERROR, "%s: Path name '%s' is too long", + __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, NULL); + + find_param_fini(param); + free(buf); + return ret < 0 ? ret : 0; +} + +static int cb_getstripe(char *path, DIR *parent, DIR *d, void *data, + cfs_dirent_t *de) +{ + struct find_param *param = (struct find_param *)data; + int ret = 0; + + LASSERT(parent != NULL || d != NULL); + + /* Prepare odb. */ + if (!param->got_uuids) { + ret = setup_obd_uuid(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) + llapi_printf(LLAPI_MSG_NORMAL, + "%s has no stripe info\n", path); + goto out; + } else if (errno == ENOTTY) { + llapi_err(LLAPI_MSG_ERROR, + "%s: '%s' not on a Lustre fs?", + __FUNCTION__, path); + } else if (errno == ENOENT) { + llapi_err(LLAPI_MSG_WARN, + "warning: %s: %s does not exist", + __FUNCTION__, path); + goto out; + } else { + llapi_err(LLAPI_MSG_ERROR, + "error: %s: %s failed for %s", + __FUNCTION__, d ? "LL_IOC_LOV_GETSTRIPE" : + "IOC_MDC_GETFILESTRIPE", path); + } + + return ret; + } + + llapi_lov_dump_user_lmm(param, path, d ? 1 : 0); +out: + /* 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) { + llapi_err(LLAPI_MSG_ERROR, + "%s: Path name '%s' is too long", + __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, NULL); + 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 ((rc = obd_ioctl_pack(&data, &rawbuf, sizeof(raw))) != 0) { + llapi_err(LLAPI_MSG_ERROR, + "llapi_obd_statfs: error packing ioctl data"); + return rc; + } + + fd = open(path, O_RDONLY); + if (errno == EISDIR) + fd = open(path, O_DIRECTORY | O_RDONLY); + + if (fd < 0) { + rc = errno ? -errno : -EBADF; + llapi_err(LLAPI_MSG_ERROR, "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_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; + llapi_err(LLAPI_MSG_ERROR, "error opening %s", path); + 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 i, rc = 0; + + if (fp == NULL) { + rc = errno; + llapi_err(LLAPI_MSG_ERROR, "error: opening "DEVICES_LIST); + return rc; + } + + while (fgets(buf, sizeof(buf), fp) != NULL) { + char *obd_type_name = NULL; + char *obd_name = NULL; + char *obd_uuid = NULL; + char *bufp = buf; + struct obd_ioctl_data datal = { 0, }; + struct obd_statfs osfs_buffer; + + while(bufp[0] == ' ') + ++bufp; + + for(i = 0; i < 3; i++) { + 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) + 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 == ENOTCONN) { + llapi_printf(LLAPI_MSG_NORMAL, "%s inactive.\n", obd_name); + } else if (rc) { + llapi_err(LLAPI_MSG_ERROR, "error: check '%s'", obd_name); + } else { + llapi_printf(LLAPI_MSG_NORMAL, "%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 = { 0 }; + char key[30]; + DIR *root; + int rc; + + sprintf(key, "%s", keyword); + memset(raw, 0, sizeof(raw)); + memset(out, 0, sizeof(out)); + data.ioc_inlbuf1 = key; + data.ioc_inllen1 = strlen(key) + 1; + if (node_name) { + data.ioc_inlbuf2 = node_name; + data.ioc_inllen2 = strlen(node_name) + 1; + } + data.ioc_pbuf1 = out; + data.ioc_plen1 = sizeof(out); + rc = obd_ioctl_pack(&data, &buf, sizeof(raw)); + if (rc) + return rc; + + root = opendir(dir); + if (root == NULL) { + rc = errno; + llapi_err(LLAPI_MSG_ERROR, "open %s failed", dir); + return rc; + } + + rc = ioctl(dirfd(root), OBD_IOC_LLOG_CATINFO, buf); + if (rc) + llapi_err(LLAPI_MSG_ERROR, "ioctl OBD_IOC_CATINFO failed"); + else + llapi_printf(LLAPI_MSG_NORMAL, "%s", data.ioc_pbuf1); + + closedir(root); + return rc; +} + +/* 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) { + llapi_err(LLAPI_MSG_ERROR, "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) +{ + DIR *root; + int poll_intvl = 2; + int rc; + + root = opendir(mnt); + if (!root) { + llapi_err(LLAPI_MSG_ERROR, "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) { + llapi_err(LLAPI_MSG_ERROR, "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, + cfs_dirent_t *de) +{ + 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) + llapi_err(LLAPI_MSG_ERROR, + "%s has no stripe info", path); + rc = 0; + } else if (errno == ENOENT) { + llapi_err(LLAPI_MSG_ERROR, + "warning: %s: %s does not exist", + __FUNCTION__, path); + rc = 0; + } else if (errno != EISDIR) { + rc = errno; + llapi_err(LLAPI_MSG_ERROR, "%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) + llapi_err(LLAPI_MSG_ERROR,"error: chown %s (%u,%u)", path); + + rc = chmod(path, st->st_mode); + if (rc) + llapi_err(LLAPI_MSG_ERROR, "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) { + llapi_err(LLAPI_MSG_ERROR, "%s: Path name '%s' is too long", + __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, NULL); +out: + find_param_fini(¶m); + free(buf); + return ret; +} + +#include +#include +#include +#include +#include +#include + +static int rmtacl_notify(int ops) +{ + FILE *fp; + struct mntent *mnt; + int found = 0, fd, rc; + + fp = setmntent(MOUNTED, "r"); + if (fp == NULL) { + perror("setmntent"); + return -1; + } + + while (1) { + mnt = getmntent(fp); + if (!mnt) + break; + + if (!llapi_is_lustre_mnt(mnt)) + continue; + + fd = open(mnt->mnt_dir, O_RDONLY | O_DIRECTORY); + if (fd < 0) { + perror("open"); + return -1; + } + + rc = ioctl(fd, LL_IOC_RMTACL, ops); + if (rc < 0) { + perror("ioctl"); + return -1; + } + + found++; + } + endmntent(fp); + return found; +} + +static char *next_token(char *p, int div) +{ + if (p == NULL) + return NULL; + + if (div) + while (*p && *p != ':' && !isspace(*p)) + p++; + else + while (*p == ':' || isspace(*p)) + p++; + + return *p ? p : NULL; +} + +static int rmtacl_name2id(char *name, int is_user) +{ + if (is_user) { + struct passwd *pw; + + if ((pw = getpwnam(name)) == NULL) + return INVALID_ID; + else + return (int)(pw->pw_uid); + } else { + struct group *gr; + + if ((gr = getgrnam(name)) == NULL) + return INVALID_ID; + else + return (int)(gr->gr_gid); + } +} + +static int isodigit(int c) +{ + return (c >= '0' && c <= '7') ? 1 : 0; +} + +/* + * Whether the name is just digits string (uid/gid) already or not. + * Return value: + * 1: str is id + * 0: str is not id + */ +static int str_is_id(char *str) +{ + if (str == NULL) + return 0; + + if (*str == '0') { + str++; + if (*str == 'x' || *str == 'X') { /* for Hex. */ + if (!isxdigit(*(++str))) + return 0; + + while (isxdigit(*(++str))); + } else if (isodigit(*str)) { /* for Oct. */ + while (isodigit(*(++str))); + } + } else if (isdigit(*str)) { /* for Dec. */ + while (isdigit(*(++str))); + } + + return (*str == 0) ? 1 : 0; +} + +typedef struct { + char *name; + int length; + int is_user; + int next_token; +} rmtacl_name_t; + +#define RMTACL_OPTNAME(name) name, sizeof(name) - 1 + +static rmtacl_name_t rmtacl_namelist[] = { + { RMTACL_OPTNAME("user:"), 1, 0 }, + { RMTACL_OPTNAME("group:"), 0, 0 }, + { RMTACL_OPTNAME("default:user:"), 1, 0 }, + { RMTACL_OPTNAME("default:group:"), 0, 0 }, + /* for --tabular option */ + { RMTACL_OPTNAME("user"), 1, 1 }, + { RMTACL_OPTNAME("group"), 0, 1 }, + { 0 } +}; + +static int rgetfacl_output(char *str) +{ + char *start = NULL, *end = NULL; + int is_user = 0, n, id; + char c; + rmtacl_name_t *rn; + + if (str == NULL) + return -1; + + for (rn = rmtacl_namelist; rn->name; rn++) { + if(strncmp(str, rn->name, rn->length) == 0) { + if (!rn->next_token) + start = str + rn->length; + else + start = next_token(str + rn->length, 0); + is_user = rn->is_user; + break; + } + } + + end = next_token(start, 1); + if (end == NULL || start == end) { + n = printf("%s", str); + return n; + } + + c = *end; + *end = 0; + id = rmtacl_name2id(start, is_user); + if (id == INVALID_ID) { + if (str_is_id(start)) { + *end = c; + n = printf("%s", str); + } else + return -1; + } else if ((id == NOBODY_UID && is_user) || + (id == NOBODY_GID && !is_user)) { + *end = c; + n = printf("%s", str); + } else { + *end = c; + *start = 0; + n = printf("%s%d%s", str, id, end); + } + return n; +} + +static int child_status(int status) +{ + return WIFEXITED(status) ? WEXITSTATUS(status) : -1; +} + +static int do_rmtacl(int argc, char *argv[], int ops, int (output_func)(char *)) +{ + pid_t pid = 0; + int fd[2], status; + FILE *fp; + char buf[PIPE_BUF]; + + if (output_func) { + if (pipe(fd) < 0) { + perror("pipe"); + return -1; + } + + if ((pid = fork()) < 0) { + perror("fork"); + close(fd[0]); + close(fd[1]); + return -1; + } else if (!pid) { + /* child process redirects its output. */ + close(fd[0]); + close(1); + if (dup2(fd[1], 1) < 0) { + perror("dup2"); + close(fd[1]); + return -1; + } + } else { + close(fd[1]); + } + } + + if (!pid) { + status = rmtacl_notify(ops); + if (status < 0) + return -1; + + exit(execvp(argv[0], argv)); + } + + /* the following is parent process */ + if ((fp = fdopen(fd[0], "r")) == NULL) { + perror("fdopen"); + kill(pid, SIGKILL); + close(fd[0]); + return -1; + } + + while (fgets(buf, PIPE_BUF, fp) != NULL) { + if (output_func(buf) < 0) + fprintf(stderr, "WARNING: unexpected error!\n[%s]\n", + buf); + } + fclose(fp); + close(fd[0]); + + if (waitpid(pid, &status, 0) < 0) { + perror("waitpid"); + return -1; + } + + return child_status(status); +} + +int llapi_lsetfacl(int argc, char *argv[]) +{ + return do_rmtacl(argc, argv, RMT_LSETFACL, NULL); +} + +int llapi_lgetfacl(int argc, char *argv[]) +{ + return do_rmtacl(argc, argv, RMT_LGETFACL, NULL); +} + +int llapi_rsetfacl(int argc, char *argv[]) +{ + return do_rmtacl(argc, argv, RMT_RSETFACL, NULL); +} + +int llapi_rgetfacl(int argc, char *argv[]) +{ + return do_rmtacl(argc, argv, RMT_RGETFACL, rgetfacl_output); +} + +int llapi_cp(int argc, char *argv[]) +{ + int rc; + + rc = rmtacl_notify(RMT_RSETFACL); + if (rc < 0) + return -1; + + exit(execvp(argv[0], argv)); +} + +int llapi_ls(int argc, char *argv[]) +{ + int rc; + + rc = rmtacl_notify(RMT_LGETFACL); + if (rc < 0) + return -1; + + exit(execvp(argv[0], argv)); +} + +/* format must have %s%s, buf must be > 16 */ +static int get_mdtname(const char *name, char *format, char *buf) +{ + char suffix[]="-MDT0000"; + int len = strlen(name); + + if (len > 16) { + llapi_err(LLAPI_MSG_ERROR, "bad MDT name |%s|\n", name); + return -EINVAL; + } + + if ((len > 8) && (strncmp(name + len - 8, "-MDT", 4) == 0)) + suffix[0] = '\0'; + + return sprintf(buf, format, name, suffix); +} + +#define CHANGELOG_FILE "/proc/fs/lustre/mdd/%s%s/changelog" + +/* return a file desc to readable changelog */ +int llapi_changelog_open(const char *mdtname, long long startrec) +{ + char path[256]; + int rc, fd; + + if (get_mdtname(mdtname, CHANGELOG_FILE, path) <0) + return -EINVAL; + + if ((fd = open(path, O_RDONLY)) < 0) { + llapi_err(LLAPI_MSG_ERROR, "error: can't open |%s|\n", path); + return -errno; + } + + rc = lseek(fd, (off_t)startrec, SEEK_SET); + if (rc < 0) { + llapi_err(LLAPI_MSG_ERROR, "can't seek rc=%d\n", rc); + return -errno; + } + + return fd; +} + +int llapi_changelog_clear(const char *mdtname, long long endrec) +{ + char path[256]; + char val[20]; + int fd, len; + + if (endrec < 0) { + llapi_err(LLAPI_MSG_ERROR | LLAPI_MSG_NO_ERRNO, + "can't purge negative records\n"); + return -EINVAL; + } + + if (get_mdtname(mdtname, CHANGELOG_FILE, path) <0) + return -EINVAL; + + if ((fd = open(path, O_WRONLY)) < 0) { + llapi_err(LLAPI_MSG_ERROR, "error: can't open |%s|\n", path); + return errno; + } + + snprintf(val, sizeof(val), "%llu", endrec); + len = write(fd, val, strlen(val)); + close(fd); + if (len != strlen(val)) { + llapi_err(LLAPI_MSG_ERROR, "purge err\n"); + return errno; + } + + return 0; +} + +static int dev_ioctl(struct obd_ioctl_data *data, int dev, int cmd) +{ + int rc; + static char rawbuf[8192]; + static char *buf = rawbuf; + + data->ioc_dev = dev; + memset(buf, 0, sizeof(rawbuf)); + + if ((rc = obd_ioctl_pack(data, &buf, sizeof(rawbuf)))) { + llapi_err(LLAPI_MSG_ERROR, + "error: ioctl pack (%d) failed: rc %d", cmd, rc); + return rc; + } + + rc = l_ioctl(OBD_DEV_ID, cmd, buf); + if (rc < 0) { + /* ioctl returns -1 with errno set */ + rc = -errno; + return rc; + } + + if (obd_ioctl_unpack(data, buf, sizeof(rawbuf))) { + llapi_err(LLAPI_MSG_ERROR, + "error: invalid reply\n"); + return -EPROTO; + } + return rc; +} + +/* should we just grep it from proc? */ +static int dev_name2dev(char *name) +{ + struct obd_ioctl_data data; + int rc; + + memset(&data, 0, sizeof(data)); + data.ioc_inllen1 = strlen(name) + 1; + data.ioc_inlbuf1 = name; + rc = dev_ioctl(&data, -1, OBD_IOC_NAME2DEV); + + if (rc < 0) { + llapi_err(LLAPI_MSG_ERROR, "Device %s not found %d\n", name,rc); + return rc; + } + return data.ioc_dev; +} + +int llapi_fid2path(char *device, char *fidstr, char *buf, int buflen, + __u64 recno, int *linkno) +{ + struct lu_fid fid; + struct obd_ioctl_data data; + int dev, rc; + + while (*fidstr == '[') + fidstr++; + + sscanf(fidstr, "0x%llx:0x%x:0x%x", &(fid.f_seq), &(fid.f_oid), + &(fid.f_ver)); + if (!fid_is_sane(&fid)) { + llapi_err(LLAPI_MSG_ERROR | LLAPI_MSG_NO_ERRNO, + "bad FID format [%s], should be "DFID"\n", + fidstr, (__u64)1, 2, 0); + return -EINVAL; + } + + dev = dev_name2dev(device); + if (dev < 0) + return dev; + + memset(&data, 0, sizeof(data)); + data.ioc_inlbuf1 = (char *)&fid; + data.ioc_inllen1 = sizeof(fid); + data.ioc_inlbuf2 = (char *)&recno; + data.ioc_inllen2 = sizeof(__u64); + data.ioc_inlbuf3 = (char *)linkno; + data.ioc_inllen3 = sizeof(int); + data.ioc_plen1 = buflen; + data.ioc_pbuf1 = buf; + rc = dev_ioctl(&data, dev, OBD_IOC_FID2PATH); + + return rc; +} + +int llapi_path2fid(const char *path, unsigned long long *seq, + unsigned long *oid, unsigned long *ver) +{ + struct lu_fid fid; + int fd, rc; + + fd = open(path, O_RDONLY); + if (fd < 0) + return -errno; + + rc = ioctl(fd, LL_IOC_PATH2FID, &fid); + *seq = fid_seq(&fid); + *oid = fid_oid(&fid); + *ver = fid_ver(&fid); + + close(fd); + return rc; +}