Date: Thu, 14 Jul 2011 08:06:03 +0000 (UTC) From: Xin LI <delphij@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r224004 - head/sbin/dumpfs Message-ID: <201107140806.p6E8632K019924@svn.freebsd.org>
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Author: delphij Date: Thu Jul 14 08:06:03 2011 New Revision: 224004 URL: http://svn.freebsd.org/changeset/base/224004 Log: Add a -l option to show file system's corresponding /dev/ufsid path. This is useful for scripts that converts existing system's fstab to use their /dev/ufsid devices. MFC after: 2 weeks Modified: head/sbin/dumpfs/dumpfs.8 head/sbin/dumpfs/dumpfs.c Modified: head/sbin/dumpfs/dumpfs.8 ============================================================================== --- head/sbin/dumpfs/dumpfs.8 Thu Jul 14 07:35:28 2011 (r224003) +++ head/sbin/dumpfs/dumpfs.8 Thu Jul 14 08:06:03 2011 (r224004) @@ -28,7 +28,7 @@ .\" @(#)dumpfs.8 8.1 (Berkeley) 6/5/93 .\" $FreeBSD$ .\" -.Dd May 8, 2011 +.Dd Jul 14, 2011 .Dt DUMPFS 8 .Os .Sh NAME @@ -37,6 +37,7 @@ .Sh SYNOPSIS .Nm .Op Fl f +.Op Fl l .Op Fl m .Ar filesys | device .Sh DESCRIPTION @@ -44,7 +45,8 @@ The .Nm utility prints out the UFS super block and cylinder group information for the file system or special device specified, unless the -.Fl f +.Fl f , +.Fl l or .Fl m flag is specified. @@ -64,6 +66,11 @@ Fragment numbers may be converted to raw fragment size, which may be useful when recovering deleted data. .Pp If +.Fl l +is specified, the pathname to the file system's container derived from +its unique identifier is printed. +.Pp +If .Fl m is specified, a .Xr newfs 8 Modified: head/sbin/dumpfs/dumpfs.c ============================================================================== --- head/sbin/dumpfs/dumpfs.c Thu Jul 14 07:35:28 2011 (r224003) +++ head/sbin/dumpfs/dumpfs.c Thu Jul 14 08:06:03 2011 (r224004) @@ -79,6 +79,7 @@ static const char rcsid[] = struct uufsd disk; int dumpfs(const char *); +int dumpfsid(void); int dumpcg(void); int dumpfreespace(const char *, int); void dumpfreespacecg(int); @@ -92,11 +93,11 @@ int main(int argc, char *argv[]) { const char *name; - int ch, dofreespace, domarshal, eval; + int ch, dofreespace, domarshal, dolabel, eval; - dofreespace = domarshal = eval = 0; + dofreespace = domarshal = dolabel = eval = 0; - while ((ch = getopt(argc, argv, "fm")) != -1) { + while ((ch = getopt(argc, argv, "lfm")) != -1) { switch (ch) { case 'f': dofreespace++; @@ -104,6 +105,9 @@ main(int argc, char *argv[]) case 'm': domarshal = 1; break; + case 'l': + dolabel = 1; + break; case '?': default: usage(); @@ -129,6 +133,8 @@ main(int argc, char *argv[]) eval |= dumpfreespace(name, dofreespace); else if (domarshal) eval |= marshal(name); + else if (dolabel) + eval |= dumpfsid(); else eval |= dumpfs(name); ufs_disk_close(&disk); @@ -137,6 +143,14 @@ main(int argc, char *argv[]) } int +dumpfsid(void) +{ + + printf("/dev/ufsid/%x%x\n", afs.fs_id[0], afs.fs_id[1]); + return 0; +} + +int dumpfs(const char *name) { time_t fstime;
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