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LU-12960 lod: don't set index for 2nd stripe if specific
[fs/lustre-release.git] / lustre / tests / test_brw.c
index dd94d1b..855ee8e 100644 (file)
@@ -1,10 +1,41 @@
-/* -*- 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.
+ *
+ * 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.
+ *
+ * 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
+ * version 2 along with this program; If not, see
+ * http://www.gnu.org/licenses/gpl-2.0.html
+ *
+ * GPL HEADER END
+ */
+/*
+ * Copyright (c) 2002, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Use is subject to license terms.
+ *
+ * Copyright (c) 2014, Intel Corporation.
+ */
+/*
+ * This file is part of Lustre, http://www.lustre.org/
+ * Lustre is a trademark of Sun Microsystems, Inc.
  */
 
 /* for O_DIRECT */
-#define  _GNU_SOURCE
+#ifndef _GNU_SOURCE
+#define _GNU_SOURCE
+#endif
 
+#include <inttypes.h>
 #include <stdio.h>
 #include <string.h>
 #include <unistd.h>
 #include <sys/mman.h>
 #include <sys/types.h>
 #include <sys/stat.h>
-
-#include <liblustre.h>
+#include <linux/types.h>
 
 #define READ  1
 #define WRITE 2
 
-#define LPDS sizeof(__u64)
-int block_debug_setup(void *addr, int len, __u64 off, __u64 id)
+#define LPDS sizeof(uint64_t)
+int block_debug_setup(void *addr, int len, uint64_t off, uint64_t id)
 {
-        off = cpu_to_le64(off);
-        id = cpu_to_le64(id);
-        memcpy(addr, (char *)&off, LPDS);
-        memcpy(addr + LPDS, (char *)&id, LPDS);
+       off = htole64(off);
+       id = htole64(id);
+       memcpy(addr, (char *)&off, LPDS);
+       memcpy(addr + LPDS, (char *)&id, LPDS);
 
-        addr += len - LPDS - LPDS;
-        memcpy(addr, (char *)&off, LPDS);
-        memcpy(addr + LPDS, (char *)&id, LPDS);
+       addr += len - LPDS - LPDS;
+       memcpy(addr, (char *)&off, LPDS);
+       memcpy(addr + LPDS, (char *)&id, LPDS);
 
-        return 0;
+       return 0;
 }
 
-int block_debug_check(char *who, void *addr, int size, __u64 off, __u64 id)
+int block_debug_check(char *who, void *addr, int size, uint64_t off,
+                     uint64_t id)
 {
-        __u64 ne_off;
-        int err = 0;
-
-        ne_off = le64_to_cpu(off);
-        id = le64_to_cpu(id);
-        if (memcmp(addr, (char *)&ne_off, LPDS)) {
-                CERROR("%s: for offset "LPU64" off: "LPX64" != "LPX64"\n",
-                       who, off, *(__u64 *)addr, ne_off);
-                err = -EINVAL;
-        }
-        if (memcmp(addr + LPDS, (char *)&id, LPDS)) {
-                CERROR("%s: for offset "LPU64" id: "LPX64" != "LPX64"\n",
-                       who, off, *(__u64 *)(addr + LPDS), id);
-                err = -EINVAL;
-        }
-
-        addr += size - LPDS - LPDS;
-        if (memcmp(addr, (char *)&ne_off, LPDS)) {
-                CERROR("%s: for offset "LPU64" end off: "LPX64" != "LPX64"\n",
-                       who, off, *(__u64 *)addr, ne_off);
-                err = -EINVAL;
-        }
-        if (memcmp(addr + LPDS, (char *)&id, LPDS)) {
-                CERROR("%s: for offset "LPU64" end id: "LPX64" != "LPX64"\n",
-                       who, off, *(__u64 *)(addr + LPDS), id);
-                err = -EINVAL;
-        }
-
-        return err;
+       uint64_t ne_off;
+       int err = 0;
+
+       ne_off = le64toh(off);
+       id = le64toh(id);
+       if (memcmp(addr, (char *)&ne_off, LPDS)) {
+               fprintf(stderr, "%s: for offset %"PRIu64" off: %"PRIx64" != %"PRIx64"\n",
+                       who, off, *(uint64_t *)addr, ne_off);
+               err = -EINVAL;
+       }
+       if (memcmp(addr + LPDS, (char *)&id, LPDS)) {
+               fprintf(stderr, "%s: for offset %"PRIu64" id: %"PRIx64" != %"PRIx64"\n",
+                       who, off, *(uint64_t *)(addr + LPDS), id);
+               err = -EINVAL;
+       }
+
+       addr += size - LPDS - LPDS;
+       if (memcmp(addr, (char *)&ne_off, LPDS)) {
+               fprintf(stderr, "%s: for offset %"PRIu64" end off: %"PRIx64" != %"PRIx64"\n",
+                       who, off, *(uint64_t *)addr, ne_off);
+               err = -EINVAL;
+       }
+       if (memcmp(addr + LPDS, (char *)&id, LPDS)) {
+               fprintf(stderr, "%s: for offset %"PRIu64" end id: %"PRIx64" != %"PRIx64"\n",
+                       who, off, *(uint64_t *)(addr + LPDS), id);
+               err = -EINVAL;
+       }
+
+       return err;
 }
+
 #undef LPDS
 
 void usage(char *prog)
 {
-        fprintf(stderr,
-                "usage: %s file count [[d]{r|w|rw} [pages_per_vec [objid]]]\n",
-                prog);
-        exit(1);
+       fprintf(stderr,
+               "usage: %s file count [[d]{r|w|rw} [pages_per_vec [objid]]]\n",
+               prog);
+       exit(1);
 }
 
 int main(int argc, char **argv)
 {
-        int fd;
-        char *buf;
-        loff_t count, last, offset;
-        long pg_vec, len;
-        __u64 objid;
-        struct stat st;
-        int flags = 0;
-        int cmd = 0;
-        char *end;
-        int rc;
-
-        if (argc < 3 || argc > 6)
-                usage(argv[0]);
-
-        count = strtoull(argv[2], &end, 0);
-        if (*end) {
-                fprintf(stderr, "%s: invalid count '%s'\n", argv[0], argv[2]);
-                usage(argv[0]);
-        }
-        if (argc >= 4) {
-                if (strchr(argv[3], 'r')) {
-                        cmd = READ;
-                        flags = O_RDONLY;
-                }
-                if (strchr(argv[3], 'w')) {
-                        cmd |= WRITE;
-                        flags = O_RDWR | O_CREAT;
-                }
-                if (strchr(argv[3], 'd')) {
+       int fd;
+       char *buf;
+       long long count, last;
+       long pg_vec, len;
+       uint64_t objid, offset;
+       struct stat st;
+       int flags = 0;
+       int cmd = 0;
+       char *end;
+       int rc;
+
+       if (argc < 3 || argc > 6)
+               usage(argv[0]);
+
+       count = strtoull(argv[2], &end, 0);
+       if (*end) {
+               fprintf(stderr, "%s: invalid count '%s'\n", argv[0], argv[2]);
+               usage(argv[0]);
+       }
+       if (argc >= 4) {
+               if (strchr(argv[3], 'r')) {
+                       cmd = READ;
+                       flags = O_RDONLY;
+               }
+               if (strchr(argv[3], 'w')) {
+                       cmd |= WRITE;
+                       flags = O_RDWR | O_CREAT;
+               }
+               if (strchr(argv[3], 'd')) {
 #ifdef O_DIRECT
-                        flags |= O_DIRECT;
+                       flags |= O_DIRECT;
 #else
-                        fprintf(stderr,
-                                "%s: O_DIRECT not supported in this build\n",
-                                argv[0]);
-                        exit(1);
+                       fprintf(stderr,
+                               "%s: O_DIRECT not supported in this build\n",
+                               argv[0]);
+                       exit(1);
 #endif
-                }
-                if (!cmd)
-                        usage(argv[0]);
-        } else {
-                cmd = READ | WRITE;
-                flags = O_RDWR | O_CREAT;
+               }
+               if (!cmd)
+                       usage(argv[0]);
+       } else {
+               cmd = READ | WRITE;
+               flags = O_RDWR | O_CREAT;
 #ifdef O_DIRECT
-                flags |= O_DIRECT;
+               flags |= O_DIRECT;
 #else
-                fprintf(stderr, "%s: warning: not setting O_DIRECT\n",
-                        argv[0]);
+               fprintf(stderr, "%s: warning: not setting O_DIRECT\n",
+                       argv[0]);
 #endif
-        }
-
-        if (argc >= 5) {
-                pg_vec = strtoul(argv[4], &end, 0);
-                if (*end) {
-                        fprintf(stderr, "%s: invalid pages_per_vec '%s'\n",
-                                argv[0], argv[4]);
-                        usage(argv[0]);
-                }
-        } else {
-                pg_vec = 16;
-        }
-
-        if (argc >= 6) {
-                objid = strtoull(argv[5], &end, 0);
-                if (*end) {
-                        fprintf(stderr, "%s: invalid objid '%s'\n",
-                                argv[0], argv[5]);
-                        usage(argv[0]);
-                }
-        } else {
-                objid = 3;
-        }
-
-        printf("%s: %s on %s(objid "LPX64") for "LPU64"x%ld pages \n",
-               argv[0], 
+       }
+
+       if (argc >= 5) {
+               pg_vec = strtoul(argv[4], &end, 0);
+               if (*end) {
+                       fprintf(stderr, "%s: invalid pages_per_vec '%s'\n",
+                               argv[0], argv[4]);
+                       usage(argv[0]);
+               }
+       } else {
+               pg_vec = 16;
+       }
+
+       if (argc >= 6) {
+               objid = strtoull(argv[5], &end, 0);
+               if (*end) {
+                       fprintf(stderr, "%s: invalid objid '%s'\n",
+                               argv[0], argv[5]);
+                       usage(argv[0]);
+               }
+       } else {
+               objid = 3;
+       }
+
+       printf("%s: %s on %s(objid %"PRIx64") for %llux%ld pages\n",
+              argv[0],
 #ifdef O_DIRECT
-               flags & O_DIRECT ? "directio" : "i/o",
+              flags & O_DIRECT ? "directio" : "i/o",
 #else
-               "i/o",
+              "i/o",
 #endif
-               argv[1], objid, count, pg_vec);
-
-        fd = open(argv[1], flags | O_LARGEFILE);
-        if (fd == -1) {
-                fprintf(stderr, "%s: cannot open %s:  %s\n", argv[0],
-                        argv[1], strerror(errno));
-                return 3;
-        }
-
-        rc = fstat(fd, &st);
-        if (rc < 0) {
-                fprintf(stderr, "%s: cannot stat %s: %s\n", argv[0],
-                        argv[1], strerror(errno));
-                return 4;
-        }
-
-        len = pg_vec * st.st_blksize;
-        last = (long long)count * len;
-
-        buf = mmap(0, len, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANON, 0, 0);
-        if (buf == MAP_FAILED) {
-                fprintf(stderr, "%s: no buffer memory %s\n",
-                        argv[0], strerror(errno));
-                return 2;
-        }
-
-        for (offset = 0; offset < last && cmd & WRITE; offset += len) {
-                int i;
-
-                for (i = 0; i < len; i += st.st_blksize)
-                        block_debug_setup(buf + i, st.st_blksize, 
-                                          offset + i, objid);
-
-                rc = write(fd, buf, len);
-
-                for (i = 0; i < len; i += st.st_blksize) {
-                        if (block_debug_check("write", buf + i, st.st_blksize,
-                                              offset + i, objid))
-                                return 10;
-                }
-
-                if (rc != len) {
-                        fprintf(stderr, "%s: write error: %s, rc %d != %ld\n",
-                                argv[0], strerror(errno), rc, len);
-                        return 4;
-                }
-        }
-
-        if (lseek(fd, 0, SEEK_SET) != 0) {
-                fprintf(stderr, "%s: cannot seek %s\n",
-                        argv[0], strerror(errno));
-                return 5;
-        }
-
-        for (offset = 0; offset < last && cmd & READ; offset += len) {
-                int i;
-
-                rc = read(fd, buf, len);
-                if (rc != len) {
-                        fprintf(stderr, "%s: read error: %s, rc %d != %ld\n",
-                                argv[0], strerror(errno), rc, len);
-                        return 6;
-                }
-
-                for (i = 0; i < len; i += st.st_blksize) {
-                        if (block_debug_check("read", buf + i, st.st_blksize,
-                                              offset + i, objid))
-                                return 11;
-                }
-        }
-
-        return 0;
+              argv[1], objid, count, pg_vec);
+
+       fd = open(argv[1], flags | O_LARGEFILE);
+       if (fd == -1) {
+               fprintf(stderr, "%s: cannot open %s:  %s\n", argv[0],
+                       argv[1], strerror(errno));
+               return 3;
+       }
+
+       rc = fstat(fd, &st);
+       if (rc < 0) {
+               fprintf(stderr, "%s: cannot stat %s: %s\n", argv[0],
+                       argv[1], strerror(errno));
+               return 4;
+       }
+
+       len = pg_vec * st.st_blksize;
+       last = (long long)count * len;
+
+       buf = mmap(0, len, PROT_READ | PROT_WRITE, MAP_PRIVATE | MAP_ANON,
+                  0, 0);
+       if (buf == MAP_FAILED) {
+               fprintf(stderr, "%s: no buffer memory %s\n",
+                       argv[0], strerror(errno));
+               return 2;
+       }
+
+       for (offset = 0; offset < last && cmd & WRITE; offset += len) {
+               unsigned int i;
+
+               for (i = 0; i < len; i += st.st_blksize)
+                       block_debug_setup(buf + i, st.st_blksize,
+                                         offset + i, objid);
+
+               rc = write(fd, buf, len);
+
+               for (i = 0; i < len; i += st.st_blksize) {
+                       if (block_debug_check("write", buf + i, st.st_blksize,
+                                             offset + i, objid))
+                               return 10;
+               }
+
+               if (rc != len) {
+                       fprintf(stderr, "%s: write error: %s, rc %d != %ld\n",
+                               argv[0], strerror(errno), rc, len);
+                       return 4;
+               }
+       }
+
+       if (lseek(fd, 0, SEEK_SET) != 0) {
+               fprintf(stderr, "%s: cannot seek %s\n",
+                       argv[0], strerror(errno));
+               return 5;
+       }
+
+       for (offset = 0; offset < last && cmd & READ; offset += len) {
+               int i;
+
+               rc = read(fd, buf, len);
+               if (rc != len) {
+                       fprintf(stderr, "%s: read error: %s, rc %d != %ld\n",
+                               argv[0], strerror(errno), rc, len);
+                       return 6;
+               }
+
+               for (i = 0; i < len; i += st.st_blksize) {
+                       if (block_debug_check("read", buf + i, st.st_blksize,
+                                             offset + i, objid))
+                               return 11;
+               }
+       }
+
+       return 0;
 }