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authorJens Schweikhardt <schweikh@FreeBSD.org>2002-10-10 19:16:10 +0000
committerJens Schweikhardt <schweikh@FreeBSD.org>2002-10-10 19:16:10 +0000
commitb2aa8b2a98fcd6f4e0abd19b3a2f72b4705aa640 (patch)
tree3db8316fad8a4b4e3240954a9b7156d3dfa55025 /sbin/bsdlabel/bsdlabel.8
parent63872bc9c522de32c96343b40913498bbd79f5cb (diff)
downloadsrc-b2aa8b2a98fcd6f4e0abd19b3a2f72b4705aa640.tar.gz
src-b2aa8b2a98fcd6f4e0abd19b3a2f72b4705aa640.zip
Document that write(2) et al can return EROFS for attempts to write the
disk label area. PR: 43891 Submitted by: Diomidis D. Spinellis <dds@istlab.dmst.aueb.gr> MFC after: 3 days
Notes
Notes: svn path=/head/; revision=104813
Diffstat (limited to 'sbin/bsdlabel/bsdlabel.8')
-rw-r--r--sbin/bsdlabel/bsdlabel.85
1 files changed, 4 insertions, 1 deletions
diff --git a/sbin/bsdlabel/bsdlabel.8 b/sbin/bsdlabel/bsdlabel.8
index 32ed01cafd28..7c71bd7920fc 100644
--- a/sbin/bsdlabel/bsdlabel.8
+++ b/sbin/bsdlabel/bsdlabel.8
@@ -314,7 +314,10 @@ useful to see how a partitioning scheme will work out for a specific disk.
.Ss Enabling and disabling writing to the disk label area
.Pp
By default, it is not possible to write to the disk label area at the beginning
-of a disk. The disk driver silently ignores any attempt to do so. If you need
+of a disk. The disk driver arranges for
+.Xr write 2
+and similar system calls
+to return EROFS on any attempt to do so. If you need
to write to this area (for example, to obliterate the label), use the form
.Pp
.Nm