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Enable soft updates by default for UFS2 filesystems.

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Reviewed-by: Warner Losh, kib
Differential Revision: https://reviews.freebsd.org/D45201

(cherry picked from commit 61dece6d27)
This commit is contained in:
Kirk McKusick 2024-05-14 22:38:35 -07:00
parent 913a955bf5
commit 017d52e38a
2 changed files with 8 additions and 3 deletions
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8
sbin/newfs/newfs.8
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@ -25,9 +25,7 @@
.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
.\" SUCH DAMAGE.
.\"
.\" @(#)newfs.8 8.6 (Berkeley) 5/3/95
.\"
.Dd October 21, 2022
.Dd May 18, 2024
.Dt NEWFS 8
.Os
.Sh NAME
@ -100,6 +98,10 @@ 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.
.It Fl a Ar maxcontig
Specify the maximum number of contiguous blocks that will be
laid out before forcing a rotational delay.

3
sbin/newfs/newfs.c
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@ -391,6 +391,9 @@ main(int argc, char *argv[])
fprintf(stderr, "because minfree is less than %d%%\n", MINFREE);
opt = FS_OPTSPACE;
}
/* Use soft updates by default for UFS2 and above */
if (Oflag > 1)
Uflag = 1;
realsectorsize = sectorsize;
if (sectorsize != DEV_BSIZE) { /* XXX */
int secperblk = sectorsize / DEV_BSIZE;