-/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
- * vim:expandtab:shiftwidth=8:tabstop=8:
- *
+/*
* GPL HEADER START
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
* in the LICENSE file that accompanied this code).
*
* You should have received a copy of the GNU General Public License
- * version 2 along with this program; If not, see [sun.com URL with a
- * copy of GPLv2].
+ * 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
* GPL HEADER END
*/
/*
- * Copyright 2008 Sun Microsystems, Inc. All rights reserved
+ * Copyright (c) 2004, 2010, Oracle and/or its affiliates. All rights reserved.
* Use is subject to license terms.
+ *
+ * Copyright (c) 2011, 2014, Intel Corporation.
*/
/*
* This file is part of Lustre, http://www.lustre.org/
#include <errno.h>
#include <dirent.h>
-#include <liblustre.h>
-#include <obd.h>
-#include <lustre_lib.h>
-#include <lustre/liblustreapi.h>
-#include <obd_lov.h>
-
-#include <lnet/lnetctl.h>
-
+#include <libcfs/util/param.h>
+#include <lustre/lustreapi.h>
#define MAX_LOV_UUID_COUNT 1000
-union {
- struct obd_uuid uuid;
- char name[0];
-} lov;
-#define lov_uuid lov.uuid
-#define lov_name lov.name
/* Returns bytes read on success and a negative value on failure.
* If zero bytes are read it will be treated as failure as such
*/
int read_proc_entry(char *proc_path, char *buf, int len)
{
- int rc, fd;
-
- memset(buf, 0, len);
-
- fd = open(proc_path, O_RDONLY);
- if (fd == -1) {
- llapi_err(LLAPI_MSG_ERROR, "open('%s') failed: %s\n",
- proc_path);
- return -2;
- }
-
- rc = read(fd, buf, len - 1);
- if (rc < 0) {
- llapi_err(LLAPI_MSG_ERROR, "read('%s') failed: %s\n",proc_path);
- rc = -3;
- } else if (rc == 0) {
- llapi_err(LLAPI_MSG_ERROR | LLAPI_MSG_NO_ERRNO,
- "read('%s') zero bytes\n", proc_path);
- rc = -4;
- } else if (/* rc > 0 && */ buf[rc - 1] == '\n') {
- buf[rc - 1] = '\0'; /* Remove trailing newline */
- }
- close(fd);
-
- return (rc);
+ int rc, fd;
+
+ memset(buf, 0, len);
+
+ fd = open(proc_path, O_RDONLY);
+ if (fd < 0) {
+ llapi_error(LLAPI_MSG_ERROR, -errno, "cannot open '%s'",
+ proc_path);
+ return -2;
+ }
+
+ rc = read(fd, buf, len - 1);
+ if (rc < 0) {
+ llapi_error(LLAPI_MSG_ERROR, -errno,
+ "error reading from '%s'", proc_path);
+ rc = -3;
+ } else if (rc == 0) {
+ llapi_err_noerrno(LLAPI_MSG_ERROR,
+ "read zero bytes from '%s'", proc_path);
+ rc = -4;
+ } else if (buf[rc - 1] == '\n') {
+ buf[rc - 1] = '\0'; /* Remove trailing newline */
+ }
+
+ close(fd);
+
+ return rc;
}
-int compare(struct lov_user_md *lum_dir, struct lov_user_md *lum_file1,
- struct lov_user_md *lum_file2)
+int compare(struct obd_uuid *puuid, struct lov_user_md *lum_dir,
+ struct lov_user_md *lum_file1, struct lov_user_md *lum_file2)
{
- int stripe_count = 0, min_stripe_count = 0, def_stripe_count = 1;
- int stripe_size = 0;
- int stripe_offset = -1;
- int ost_count;
- char buf[128];
- char lov_path[PATH_MAX];
- char tmp_path[PATH_MAX];
- int i;
- FILE *fp;
-
- fp = popen("\\ls -d /proc/fs/lustre/lov/*clilov* | head -1", "r");
- if (!fp) {
- llapi_err(LLAPI_MSG_ERROR,
- "open(lustre/lov/*clilov*) failed: %s\n");
- return 2;
- }
- if (fscanf(fp, "%s", lov_path) < 1) {
- llapi_err(LLAPI_MSG_ERROR,
- "read(lustre/lov/*clilov*) failed: %s\n");
- pclose(fp);
- return 3;
- }
- pclose(fp);
-
- snprintf(tmp_path, sizeof(tmp_path) - 1, "%s/stripecount",
- lov_path);
- if (read_proc_entry(tmp_path, buf, sizeof(buf)) < 0)
+ int stripe_count = 0, min_stripe_count = 0, def_stripe_count = 1;
+ int stripe_size = 0;
+ int stripe_offset = -1;
+ int ost_count;
+ char buf[128];
+ glob_t path;
+ int i;
+
+ if (cfs_get_param_paths(&path, "lov/%s/stripecount", puuid->uuid) != 0)
+ return 2;
+ if (read_proc_entry(path.gl_pathv[0], buf, sizeof(buf)) < 0) {
+ cfs_free_param_data(&path);
return 5;
- def_stripe_count = (short)atoi(buf);
-
- snprintf(tmp_path, sizeof(tmp_path) - 1, "%s/numobd", lov_path);
- if (read_proc_entry(tmp_path, buf, sizeof(buf)) < 0)
+ }
+ cfs_free_param_data(&path);
+ def_stripe_count = (short)atoi(buf);
+
+ if (cfs_get_param_paths(&path, "lov/%s/numobd", puuid->uuid) != 0)
+ return 2;
+ if (read_proc_entry(path.gl_pathv[0], buf, sizeof(buf)) < 0) {
+ cfs_free_param_data(&path);
return 6;
+ }
+ cfs_free_param_data(&path);
ost_count = atoi(buf);
if (lum_dir == NULL) {
if (lum_file1->lmm_stripe_count != stripe_count ||
lum_file1->lmm_stripe_count < min_stripe_count) {
- llapi_err(LLAPI_MSG_ERROR, "file1 stripe count %d != dir %d\n",
- lum_file1->lmm_stripe_count, stripe_count);
+ llapi_err_noerrno(LLAPI_MSG_ERROR,
+ "file1 stripe count %d != dir %d\n",
+ lum_file1->lmm_stripe_count, stripe_count);
return 7;
}
if (lum_file1->lmm_stripe_count < stripe_count)
- llapi_err(LLAPI_MSG_WARN, "warning: file1 used fewer stripes"
- " %d < dir %d (likely due to bug 4900)\n",
- lum_file1->lmm_stripe_count, stripe_count);
+ llapi_err_noerrno(LLAPI_MSG_WARN,
+ "warning: file1 used fewer stripes"
+ " %d < dir %d (likely due to bug 4900)\n",
+ lum_file1->lmm_stripe_count, stripe_count);
if (lum_dir != NULL)
stripe_size = (int)lum_dir->lmm_stripe_size;
if (stripe_size == 0) {
- snprintf(tmp_path, sizeof(tmp_path) - 1, "%s/stripesize",
- lov_path);
- if (read_proc_entry(tmp_path, buf, sizeof(buf)) < 0)
- return 5;
+ if (cfs_get_param_paths(&path, "lov/%s/stripesize",
+ puuid->uuid) != 0)
+ return 2;
+ if (read_proc_entry(path.gl_pathv[0], buf, sizeof(buf)) < 0) {
+ cfs_free_param_data(&path);
+ return 5;
+ }
+ cfs_free_param_data(&path);
stripe_size = atoi(buf);
}
if (lum_file1->lmm_stripe_size != stripe_size) {
- llapi_err(LLAPI_MSG_ERROR, "file1 stripe size %d != dir %d\n",
- lum_file1->lmm_stripe_size, stripe_size);
+ llapi_err_noerrno(LLAPI_MSG_ERROR,
+ "file1 stripe size %d != dir %d\n",
+ lum_file1->lmm_stripe_size, stripe_size);
return 8;
}
for (i = 0; i < stripe_count; i++)
if (lum_file1->lmm_objects[i].l_ost_idx !=
(stripe_offset + i) % ost_count) {
- llapi_err(LLAPI_MSG_WARN,
+ llapi_err_noerrno(LLAPI_MSG_WARN,
"warning: file1 non-sequential "
"stripe[%d] %d != %d\n", i,
lum_file1->lmm_objects[i].l_ost_idx,
ost_count;
idx = lum_file2->lmm_objects[0].l_ost_idx;
if (idx != next) {
- llapi_err(LLAPI_MSG_WARN, "warning: non-sequential "
+ llapi_err_noerrno(LLAPI_MSG_WARN,
+ "warning: non-sequential "
"file1 stripe[%d] %d != file2 stripe[0] %d\n",
stripe, lum_file1->lmm_objects[stripe].l_ost_idx,
idx);
int main(int argc, char **argv)
{
- DIR * dir;
- struct lov_user_md *lum_dir, *lum_file1 = NULL, *lum_file2 = NULL;
- int rc;
- int lum_size;
-
- if (argc < 3) {
- llapi_err(LLAPI_MSG_ERROR,
- "Usage: %s <dirname> <filename1> [filename2]\n",
- argv[0]);
- return 1;
- }
-
- dir = opendir(argv[1]);
- if (dir == NULL) {
- rc = errno;
- llapi_err(LLAPI_MSG_ERROR,
- "error: %s opendir failed\n", argv[1]);
- return rc;
- }
-
- lum_size = lov_mds_md_size(MAX_LOV_UUID_COUNT);
- if ((lum_dir = (struct lov_user_md *)malloc(lum_size)) == NULL) {
- rc = ENOMEM;
- llapi_err(LLAPI_MSG_ERROR, "error: can't allocate %d bytes "
- "for dir EA", lum_size);
- goto cleanup;
- }
-
- rc = llapi_file_get_stripe(argv[1], lum_dir);
- if (rc) {
- if (errno == ENODATA) {
- free(lum_dir);
- lum_dir = NULL;
- } else {
- rc = errno;
- llapi_err(LLAPI_MSG_ERROR,
- "error: can't get EA for %s\n", argv[1]);
- goto cleanup;
- }
- }
-
- /* XXX should be llapi_lov_getname() */
- rc = llapi_file_get_lov_uuid(argv[1], &lov_uuid);
- if (rc) {
- rc = errno;
- llapi_err(LLAPI_MSG_ERROR, "error: can't get lov name for %s\n",
- argv[1]);
- return rc;
- }
-
- if ((lum_file1 = (struct lov_user_md *)malloc(lum_size)) == NULL) {
- rc = ENOMEM;
- llapi_err(LLAPI_MSG_ERROR,
- "error: can't allocate %d bytes for EA\n", lum_size);
- goto cleanup;
- }
-
- rc = llapi_file_get_stripe(argv[2], lum_file1);
- if (rc) {
- rc = errno;
- llapi_err(LLAPI_MSG_ERROR,
- "error: unable to get EA for %s\n", argv[2]);
- goto cleanup;
- }
-
- if (argc == 4) {
- lum_file2 = (struct lov_user_md *)malloc(lum_size);
- if (lum_file2 == NULL) {
- rc = ENOMEM;
- llapi_err(LLAPI_MSG_ERROR, "error: can't allocate %d "
- "bytes for file2 EA\n", lum_size);
- goto cleanup;
- }
-
- rc = llapi_file_get_stripe(argv[3], lum_file2);
- if (rc) {
- rc = errno;
- llapi_err(LLAPI_MSG_ERROR,
- "error: can't get EA for %s\n", argv[3]);
- goto cleanup;
- }
- }
-
- rc = compare(lum_dir, lum_file1, lum_file2);
+ struct lov_user_md *lum_dir, *lum_file1 = NULL, *lum_file2 = NULL;
+ struct obd_uuid uuid;
+ int lum_size, rc;
+ DIR *dir;
+
+ if (argc < 3) {
+ llapi_err_noerrno(LLAPI_MSG_ERROR,
+ "Usage: %s <dirname> <filename1> [filename2]\n",
+ argv[0]);
+ return 1;
+ }
+
+ dir = opendir(argv[1]);
+ if (dir == NULL) {
+ rc = -errno;
+ llapi_error(LLAPI_MSG_ERROR, rc,
+ "error: %s opendir failed", argv[1]);
+ return rc;
+ }
+
+ lum_size = lov_user_md_size(MAX_LOV_UUID_COUNT, LOV_USER_MAGIC);
+ lum_dir = (struct lov_user_md *)malloc(lum_size);
+ if (lum_dir == NULL) {
+ rc = -ENOMEM;
+ llapi_error(LLAPI_MSG_ERROR, rc,
+ "error: can't allocate %d bytes "
+ "for dir EA", lum_size);
+ goto cleanup;
+ }
+
+ rc = llapi_file_get_stripe(argv[1], lum_dir);
+ if (rc) {
+ if (rc == -ENODATA) {
+ free(lum_dir);
+ lum_dir = NULL;
+ } else {
+ llapi_error(LLAPI_MSG_ERROR, rc,
+ "error: can't get EA for %s", argv[1]);
+ goto cleanup;
+ }
+ }
+
+ /* XXX should be llapi_lov_getname() */
+ rc = llapi_file_get_lov_uuid(argv[1], &uuid);
+ if (rc) {
+ llapi_error(LLAPI_MSG_ERROR, rc,
+ "error: can't get lov name for %s",
+ argv[1]);
+ return rc;
+ }
+
+ lum_file1 = malloc(lum_size);
+ if (lum_file1 == NULL) {
+ rc = -ENOMEM;
+ llapi_error(LLAPI_MSG_ERROR, rc,
+ "error: can't allocate %d bytes for EA",
+ lum_size);
+ goto cleanup;
+ }
+
+ rc = llapi_file_get_stripe(argv[2], lum_file1);
+ if (rc) {
+ llapi_error(LLAPI_MSG_ERROR, rc,
+ "error: unable to get EA for %s", argv[2]);
+ goto cleanup;
+ }
+
+ if (argc == 4) {
+ lum_file2 = (struct lov_user_md *)malloc(lum_size);
+ if (lum_file2 == NULL) {
+ rc = -ENOMEM;
+ llapi_error(LLAPI_MSG_ERROR, rc,
+ "error: can't allocate %d "
+ "bytes for file2 EA", lum_size);
+ goto cleanup;
+ }
+
+ rc = llapi_file_get_stripe(argv[3], lum_file2);
+ if (rc) {
+ llapi_error(LLAPI_MSG_ERROR, rc,
+ "error: can't get EA for %s", argv[3]);
+ goto cleanup;
+ }
+ }
+
+ rc = compare(&uuid, lum_dir, lum_file1, lum_file2);
cleanup:
- closedir(dir);
- if (lum_dir != NULL)
- free(lum_dir);
- if (lum_file1 != NULL)
- free(lum_file1);
- if (lum_file2 != NULL)
- free(lum_file2);
-
- return rc;
+ closedir(dir);
+ if (lum_dir != NULL)
+ free(lum_dir);
+ if (lum_file1 != NULL)
+ free(lum_file1);
+ if (lum_file2 != NULL)
+ free(lum_file2);
+
+ return rc;
}
git://git.whamcloud.com / fs / lustre-release.git / blobdiff