70 lines
1.8 KiB
C
70 lines
1.8 KiB
C
--- ufs_copy.c.orig 2006-09-21 15:28:09.000000000 +0900
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+++ ufs_copy.c 2015-08-17 11:45:07.797947000 +0900
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@@ -111,9 +111,11 @@
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main(int argc, char *argv[])
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{
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struct fstab *fs;
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- int ch, eval=0;
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+ int ch, eval=0, md;
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char *snapshot = NULL;
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- char *src, *dst;
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+ char *src, *dst, *snap = NULL;
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+ char mddev[256];
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+ FILE *readp;
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#ifdef USEMMAP
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while ((ch = getopt(argc, argv, "aBb:ceMms:v")) != -1)
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@@ -174,6 +176,21 @@
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eval = system(buf);
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if (eval)
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errx(eval, "mksnap_ffs failed");
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+
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+ snprintf(buf, sizeof(buf),
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+ "/sbin/mdconfig -a -n -t vnode -f %s", src);
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+ fprintf(stderr, "%s\n", buf);
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+ readp = popen(buf, "r");
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+ if (readp == NULL)
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+ errx(eval, "mdconfig failed");
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+ eval = fscanf(readp, "%d", &md);
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+ if (eval != 1)
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+ errx(eval, "mdconfig failed");
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+ pclose(readp);
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+ snprintf(mddev, sizeof(mddev), "/dev/md%d", md);
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+ snap = src;
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+ src = mddev;
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+ fprintf(stderr, "attached %s as memory disk %s\n", snap, mddev);
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}
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if ((fs = getfsfile(src)) == NULL) {
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@@ -188,9 +205,19 @@
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}
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if (snapshot) {
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- fprintf(stderr, "removing snapshot file %s ... ", src);
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+ char buf[1024];
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+
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+ snprintf(buf, sizeof(buf),
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+ "/sbin/mdconfig -d -u %d", md);
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+ fprintf(stderr, "%s\n", buf);
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+ eval = system(buf);
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+ if (eval)
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+ errx(eval, "mdconfig failed");
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+ fprintf(stderr, "detached memory disk %s\n", mddev);
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+
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+ fprintf(stderr, "removing snapshot file %s ... ", snap);
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fflush(stderr);
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- if (unlink(src) == 0)
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+ if (unlink(snap) == 0)
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fprintf(stderr, "done\n");
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else
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fprintf(stderr, "failed\n");
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@@ -262,6 +289,9 @@
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}
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}
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bcopy(&src, &dst, sizeof(dst));
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+#if __FreeBSD_version >= 900011
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+ dst.d_sbcsum = NULL;
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+#endif
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dst.d_name = dst_path;
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dst.d_fd = open(dst_path, O_CREAT | O_WRONLY, S_IRUSR | S_IWUSR );
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if (dst.d_fd < 0) {
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