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Enable soft updates by default for UFS2 filesystems.

Browse source 
Differential Revision: https://reviews.freebsd.org/D45201

(cherry picked from commit 61dece6d27fb2436928ca93d65667b358e05aa7b)
(cherry picked from commit 7465f9fc06)

Approved by: re (Colin Percival)
This commit is contained in:
Kirk McKusick 2024-05-14 22:38:35 -07:00
parent 8930e7d8ea
commit 6b2af2d88f
2 changed files with 8 additions and 1 deletions
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6
sbin/newfs/newfs.8
View file

@ -27,7 +27,7 @@
.\"
.\" @(#)newfs.8 8.6 (Berkeley) 5/3/95
.\"
.Dd October 21, 2022
.Dd May 18, 2024
.Dt NEWFS 8
.Os
.Sh NAME
@ -100,6 +100,10 @@ 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
View file

@ -395,6 +395,9 @@ 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;