diff options
Diffstat (limited to 'sys-utils/losetup.8')
| -rw-r--r-- | sys-utils/losetup.8 | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/sys-utils/losetup.8 b/sys-utils/losetup.8 index b614416df..805051290 100644 --- a/sys-utils/losetup.8 +++ b/sys-utils/losetup.8 @@ -67,6 +67,11 @@ device is shown. If no option is given, all loop devices are shown. .sp Note that the old output format (i.e. \fBlosetup -a\fR) with comma-delimited strings is deprecated in favour of the \fB--list\fR output format. +.sp +It's possible to create more independent loop devices for the same backing +file. +.B This setup may be dangerous, can cause data loss, corruption and overwrites. +Use \fB\-\-nooverlap\fR to avoid this problem. .SH OPTIONS The \fIsize\fR and \fIoffset\fR @@ -102,6 +107,12 @@ Find the first unused loop device. If a argument is present, use the found device as loop device. Otherwise, just print its name. .TP +.BR \-L , " \-\-nooverlap" +Check for conflicts between loop devices to avoid situation when the same +backing file is shared between more loop devices. If the file is already used +by another device then re-use the device rather than a new one. The option +makes sense only with \fB\-\-find\fP. +.TP .BR \-j , " \-\-associated " \fIfile Show the status of all loop devices associated with the given .IR file . |