Add -J flag to both newfs(8) and tunefs(8) which allows to enable gjournal

support.
I left -j flag for UFS journal implementation which we may gain at some
point.

Sponsored by:	home.pl

sbin/newfs/mkfs.c

@@ -135,6 +135,8 @@ mkfs(struct partition *pp, char *fsys)
 		sblock.fs_flags |= FS_DOSOFTDEP;
 	if (Lflag)
 		strlcpy(sblock.fs_volname, volumelabel, MAXVOLLEN);
+	if (Jflag)
+		sblock.fs_flags |= FS_GJOURNAL;
 	if (lflag)
 		sblock.fs_flags |= FS_MULTILABEL;
 	/*

sbin/newfs/newfs.8

@@ -36,7 +36,7 @@
 .Nd construct a new UFS1/UFS2 file system
 .Sh SYNOPSIS
 .Nm
-.Op Fl NUln
+.Op Fl JNUln
 .Op Fl L Ar volname
 .Op Fl O Ar filesystem-type
 .Op Fl S Ar sector-size
@@ -77,6 +77,8 @@ has numerous options to allow the defaults to be selectively overridden.
 .Pp
 The following options define the general layout policies:
 .Bl -tag -width indent
+.It Fl J
+Enable journaling on the new file system via gjournal.
 .It Fl L Ar volname
 Add a volume label to the new file system.
 .It Fl N

sbin/newfs/newfs.c

@@ -117,6 +117,7 @@ int	Oflag = 2;		/* file system format (1 => UFS1, 2 => UFS2) */
 int	Rflag;			/* regression test */
 int	Uflag;			/* enable soft updates for file system */
 int	Eflag = 0;		/* exit in middle of newfs for testing */
+int	Jflag;			/* enable gjournal for file system */
 int	lflag;			/* enable multilabel for file system */
 int	nflag;			/* do not create .snap directory */
 quad_t	fssize;			/* file system size */
@@ -156,11 +157,14 @@ main(int argc, char *argv[])
 	off_t mediasize;
 
 	while ((ch = getopt(argc, argv,
-	    "EL:NO:RS:T:Ua:b:c:d:e:f:g:h:i:lm:no:s:")) != -1)
+	    "EJL:NO:RS:T:Ua:b:c:d:e:f:g:h:i:lm:no:s:")) != -1)
 		switch (ch) {
 		case 'E':
 			Eflag++;
 			break;
+		case 'J':
+			Jflag = 1;
+			break;
 		case 'L':
 			volumelabel = optarg;
 			i = -1;

sbin/newfs/newfs.h

@@ -49,6 +49,7 @@ extern int	Oflag;		/* build UFS1 format file system */
 extern int	Rflag;		/* regression test */
 extern int	Uflag;		/* enable soft updates for file system */
 extern int	Eflag;		/* exit as if error, for testing */
+extern int	Jflag;		/* enable gjournal for file system */
 extern int	lflag;		/* enable multilabel MAC for file system */
 extern int	nflag;		/* do not create .snap directory */
 extern quad_t	fssize;		/* file system size */

sbin/tunefs/tunefs.8

@@ -40,6 +40,7 @@
 .Op Fl a Cm enable | disable
 .Op Fl e Ar maxbpg
 .Op Fl f Ar avgfilesize
+.Op Fl J Cm enable | disable
 .Op Fl L Ar volname
 .Op Fl l Cm enable | disable
 .Op Fl m Ar minfree
@@ -87,6 +88,8 @@ For file systems with exclusively large files,
 this parameter should be set higher.
 .It Fl f Ar avgfilesize
 Specify the expected average file size.
+.It Fl J Cm enable | disable
+Turn on/off GJournal flag.
 .It Fl L Ar volname
 Add/modify an optional file system volume label.
 .It Fl l Cm enable | disable

sbin/tunefs/tunefs.c

@@ -76,11 +76,11 @@ void printfs(void);
 int
 main(int argc, char *argv[])
 {
-	char *avalue, *Lvalue, *lvalue, *nvalue;
+	char *avalue, *Jvalue, *Lvalue, *lvalue, *nvalue;
 	const char *special, *on;
 	const char *name;
 	int active;
-	int Aflag, aflag, eflag, evalue, fflag, fvalue, Lflag, lflag;
+	int Aflag, aflag, eflag, evalue, fflag, fvalue, Jflag, Lflag, lflag;
 	int mflag, mvalue, nflag, oflag, ovalue, pflag, sflag, svalue;
 	int ch, found_arg, i;
 	const char *chg[2];
@@ -89,13 +89,13 @@ main(int argc, char *argv[])
 
 	if (argc < 3)
 		usage();
-	Aflag = aflag = eflag = fflag = Lflag = lflag = mflag = 0;
+	Aflag = aflag = eflag = fflag = Jflag = Lflag = lflag = mflag = 0;
 	nflag = oflag = pflag = sflag = 0;
-	avalue = Lvalue = lvalue = nvalue = NULL;
+	avalue = Jvalue = Lvalue = lvalue = nvalue = NULL;
 	evalue = fvalue = mvalue = ovalue = svalue = 0;
 	active = 0;
 	found_arg = 0;		/* At least one arg is required. */
-	while ((ch = getopt(argc, argv, "Aa:e:f:L:l:m:n:o:ps:")) != -1)
+	while ((ch = getopt(argc, argv, "Aa:e:f:J:L:l:m:n:o:ps:")) != -1)
 		switch (ch) {
 
 		case 'A':
@@ -135,6 +135,19 @@ main(int argc, char *argv[])
 			fflag = 1;
 			break;
 
+		case 'J':
+			found_arg = 1;
+			name = "gjournaled file system";
+			Jvalue = optarg;
+			if (strcmp(Jvalue, "enable") &&
+			    strcmp(Jvalue, "disable")) {
+				errx(10, "bad %s (options are %s)",
+				    name, "`enable' or `disable'");
+			}
+			Jflag = 1;
+			break;
+
+
 		case 'L':
 			found_arg = 1;
 			name = "volume label";
@@ -282,6 +295,26 @@ main(int argc, char *argv[])
 			sblock.fs_avgfilesize = fvalue;
 		}
 	}
+	if (Jflag) {
+		name = "gjournal";
+		if (strcmp(Jvalue, "enable") == 0) {
+			if (sblock.fs_flags & FS_GJOURNAL) {
+				warnx("%s remains unchanged as enabled", name);
+			} else {
+				sblock.fs_flags |= FS_GJOURNAL;
+				warnx("%s set", name);
+			}
+		} else if (strcmp(Jvalue, "disable") == 0) {
+			if ((~sblock.fs_flags & FS_GJOURNAL) ==
+			    FS_GJOURNAL) {
+				warnx("%s remains unchanged as disabled",
+				    name);
+			} else {
+				sblock.fs_flags &= ~FS_GJOURNAL;
+				warnx("%s cleared", name);
+			}
+		}
+	}
 	if (lflag) {
 		name = "multilabel";
 		if (strcmp(lvalue, "enable") == 0) {
@@ -389,8 +422,8 @@ usage(void)
 {
 	fprintf(stderr, "%s\n%s\n%s\n%s\n",
 "usage: tunefs [-A] [-a enable | disable] [-e maxbpg] [-f avgfilesize]",
-"              [-L volname] [-l enable | disable] [-m minfree]",
-"              [-n enable | disable] [-o space | time] [-p]",
+"              [-J enable | disable ] [-L volname] [-l enable | disable]",
+"              [-m minfree] [-n enable | disable] [-o space | time] [-p]",
 "              [-s avgfpdir] special | filesystem");
 	exit(2);
 }
@@ -404,6 +437,8 @@ printfs(void)
 		(sblock.fs_flags & FS_MULTILABEL)? "enabled" : "disabled");
 	warnx("soft updates: (-n)                                 %s", 
 		(sblock.fs_flags & FS_DOSOFTDEP)? "enabled" : "disabled");
+	warnx("gjournal: (-J)                                     %s",
+		(sblock.fs_flags & FS_GJOURNAL)? "enabled" : "disabled");
 	warnx("maximum blocks per file in a cylinder group: (-e)  %d",
 	      sblock.fs_maxbpg);
 	warnx("average file size: (-f)                            %d",