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Sm=C3=B8rg?=rav Subject: git: 929ef0d36c6c - stable/14 - newfs: Add an option to disable soft updates List-Id: Commits to the stable branches of the FreeBSD src repository List-Archive: https://lists.freebsd.org/archives/dev-commits-src-branches List-Help: List-Post: List-Subscribe: List-Unsubscribe: X-BeenThere: dev-commits-src-branches@freebsd.org Sender: owner-dev-commits-src-branches@FreeBSD.org MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit X-Git-Committer: des X-Git-Repository: src X-Git-Refname: refs/heads/stable/14 X-Git-Reftype: branch X-Git-Commit: 929ef0d36c6c80981c11dae0f51f6ab839a58c06 Auto-Submitted: auto-generated Date: Sat, 31 Jan 2026 17:50:10 +0000 Message-Id: <697e40d2.1fc12.1a5f65a3@gitrepo.freebsd.org> The branch stable/14 has been updated by des: URL: https://cgit.FreeBSD.org/src/commit/?id=929ef0d36c6c80981c11dae0f51f6ab839a58c06 commit 929ef0d36c6c80981c11dae0f51f6ab839a58c06 Author: Dag-Erling Smørgrav AuthorDate: 2026-01-11 02:34:00 +0000 Commit: Dag-Erling Smørgrav CommitDate: 2026-01-31 17:50:03 +0000 newfs: Add an option to disable soft updates A previous commit turned soft updates on by default for UFS2 without providing a way to turn them off. This corrects that by adding a new -u flag which forces soft updates (and soft updates journaling) off. MFC after: 1 week Sponsored by: Klara, Inc. Sponsored by: NetApp, Inc. Fixes: 61dece6d27fb ("Enable soft updates by default for UFS2 filesystems.") Reviewed by: mckusick Differential Revision: https://reviews.freebsd.org/D54576 (cherry picked from commit 68562f8145e8154e7e276897a546995f0d8f3428) newfs: Add -u to getopt string Fixes: 68562f8145e8 ("newfs: Add an option to disable soft updates") (cherry picked from commit 717ae163919e48f000b94f85dc188e0d92261929) --- sbin/newfs/newfs.8 | 24 ++++++++++++++++++------ sbin/newfs/newfs.c | 11 +++++++---- 2 files changed, 25 insertions(+), 10 deletions(-) diff --git a/sbin/newfs/newfs.8 b/sbin/newfs/newfs.8 index 9b70643ee646..7336dbbc6e23 100644 --- a/sbin/newfs/newfs.8 +++ b/sbin/newfs/newfs.8 @@ -27,7 +27,7 @@ .\" .\" @(#)newfs.8 8.6 (Berkeley) 5/3/95 .\" -.Dd November 19, 2024 +.Dd January 7, 2026 .Dt NEWFS 8 .Os .Sh NAME @@ -35,7 +35,7 @@ .Nd construct a new UFS1/UFS2 file system .Sh SYNOPSIS .Nm -.Op Fl EJNUjlnt +.Op Fl EJNUjlntu .Op Fl L Ar volname .Op Fl O Ar filesystem-type .Op Fl S Ar sector-size @@ -100,10 +100,20 @@ The default format is UFS2. For backward compatibility. .It Fl U Enable soft updates on the new file system. -Soft updates are enabled by default for UFS2 format file systems. -Use -.Xr tunefs 8 -to disable soft updates if they are not wanted. +If neither +.Fl U +nor +.Fl u +is specified, soft updates are enabled by default for UFS2 format file +systems and disabled otherwise. +.It Fl u +Do not enable soft updates on the new file system. +If neither +.Fl U +nor +.Fl u +is specified, soft updates are enabled by default for UFS2 format file +systems and disabled otherwise. .It Fl a Ar maxcontig Specify the maximum number of contiguous blocks that will be laid out before forcing a rotational delay. @@ -168,6 +178,8 @@ One inode is required for each distinct file, so this value effectively specifies the average file size on the file system. .It Fl j Enable soft updates journaling on the new file system. +This implies +.Fl U . This flag is implemented by running the .Xr tunefs 8 utility found in the user's diff --git a/sbin/newfs/newfs.c b/sbin/newfs/newfs.c index c96e414b85dd..754606707178 100644 --- a/sbin/newfs/newfs.c +++ b/sbin/newfs/newfs.c @@ -88,7 +88,7 @@ int Lflag; /* add a volume label */ int Nflag; /* run without writing file system */ int Oflag = 2; /* file system format (1 => UFS1, 2 => UFS2) */ int Rflag; /* regression test */ -int Uflag; /* enable soft updates for file system */ +int Uflag = -1; /* enable soft updates for file system */ int jflag; /* enable soft updates journaling for filesys */ int Xflag = 0; /* exit in middle of newfs for testing */ int Jflag; /* enable gjournal for file system */ @@ -142,7 +142,7 @@ main(int argc, char *argv[]) part_name = 'c'; reserved = 0; while ((ch = getopt(argc, argv, - "EJL:NO:RS:T:UXa:b:c:d:e:f:g:h:i:jk:lm:no:p:r:s:t")) != -1) + "EJL:NO:RS:T:UXa:b:c:d:e:f:g:h:i:jk:lm:no:p:r:s:tu")) != -1) switch (ch) { case 'E': Eflag = 1; @@ -192,6 +192,9 @@ main(int argc, char *argv[]) case 'U': Uflag = 1; break; + case 'u': + Uflag = 0; + break; case 'X': Xflag++; break; @@ -396,8 +399,8 @@ main(int argc, char *argv[]) opt = FS_OPTSPACE; } /* Use soft updates by default for UFS2 and above */ - if (Oflag > 1) - Uflag = 1; + if (Uflag < 0) + Uflag = Oflag > 1; realsectorsize = sectorsize; if (sectorsize != DEV_BSIZE) { /* XXX */ int secperblk = sectorsize / DEV_BSIZE;