shithub: ext4srv

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add optional uid value to -R to choose "top" owner; set group to the user on create

--- a/ext4srv.c

+++ b/ext4srv.c

@@ -28,8 +28,6 @@

 enum {

 	Adir,

 	Afile,

-

-	Root = 0,

 };

 static Opts opts = {

@@ -44,6 +42,7 @@

 	.inodesz = 256,

 	.ninode = 0,

 };

+static u32int Root;

 static u8int zero[65536];

 static char Eperm[] = "permission denied";

 static char *srvname;

@@ -288,8 +287,8 @@

 static void

 rcreate(Req *r)

 {

-	struct ext4_inode inode;

 	u32int perm, dirperm, t;

+	struct ext4_inode inode;

 	char *s, *err, *q;

 	int mkdir, res;

 	Aux *a;

@@ -360,7 +359,7 @@

 	if((res = ext4_mode_set(s, perm)) != 0)

 		goto ext4errorrm;

-	ext4_owner_set(s, a->uid, ext4_inode_get_gid(&inode));

+	ext4_owner_set(s, a->uid, a->uid);

 	r->fid->qid.path = a->p->qidmask.path | a->file->inode;

 	r->fid->qid.vers = 0;

@@ -933,7 +932,7 @@

 static void

 usage(void)

 {

-	fprint(2, "usage: %s [-C] [-R] [-g GROUPFILE] [-l resolve] [-s SRVNAME]\n", argv0);

+	fprint(2, "usage: %s [-C] [-R [uid]] [-g GROUPFILE] [-l resolve] [-s SRVNAME]\n", argv0);

 	fprint(2, "mkfs:  %s -M (2|3|4) [-L LABEL] [-b BLKSIZE] [-N NUMINODES] [-I INODESZ] DEVICE\n", argv0);

 	threadexitsall("usage");

 }

@@ -953,7 +952,7 @@

 void

 threadmain(int argc, char **argv)

 {

-	char *gr;

+	char *gr, *uid;

 	vlong sz;

 	int f;

@@ -993,6 +992,8 @@

 		goto nomkfs;

 	case 'R':

 		opts.asroot = 1;

+		if((uid = ARGF()) != nil)

+			Root = atoll(uid);

 		goto nomkfs;

 	case 'M':