diff options
Diffstat (limited to 'sys-utils/mount.8')
| -rw-r--r-- | sys-utils/mount.8 | 30 |
1 files changed, 16 insertions, 14 deletions
diff --git a/sys-utils/mount.8 b/sys-utils/mount.8 index f80b20252..54ad0d8d0 100644 --- a/sys-utils/mount.8 +++ b/sys-utils/mount.8 @@ -1142,32 +1142,34 @@ This option implies the options (unless overridden by subsequent options, as in the option line .BR users,exec,dev,suid ). .TP -.B x-* -All options prefixed with "x-" are interpreted as comments or as userspace +.B X-* +All options prefixed with "X-" are interpreted as comments or as userspace application-specific options. These options are not stored in the user space (e.g. mtab file), nor sent to the mount.\fItype\fR helpers nor to the .BR mount (2) -system call. The suggested format is \fBx-\fIappname\fR.\fIoption\fR. +system call. The suggested format is \fBX-\fIappname\fR.\fIoption\fR. .TP -.B X-* -The same as \fBx-*\fR options, but stored permanently in the user space. It +.B x-* +The same as \fBX-*\fR options, but stored permanently in the user space. It means the options are also available for umount or another operations. Note -that maintain mount options in user space is a bad idea, because it's necessary -to link all tools that use the options with libmount and there is no guarantee that the -options will be always available (for example after a move mount operation or in -unshared namespace). - -Note that x-systemd mount options are maintained as X-* options, the rename is -unnecessary to keep existing fstab settings backwardly compatible. +that maintain mount options in user space is tricky, because it's necessary use +libmount based tools and there is no guarantee that the options will be always +available (for example after a move mount operation or in unshared namespace). +Note that before util-linux v2.30 the x-* options have not been maintained by +libmount and stored in user space (functionality was the same as have X-* now), +but due to growing number of use-cases (in initrd, systemd etc.) the +functionality have been extended to keep existing fstab configurations usable +without a change. .TP -.BR x-mount.mkdir [ = \fImode\fR ] +.BR X-mount.mkdir [ = \fImode\fR ] Allow to make a target directory (mountpoint). The optional argument .I mode specifies the filesystem access mode used for .BR mkdir (2) in octal notation. The default mode is 0755. This functionality is supported -only for root users. +only for root users. The option is also supported as x-mount.mkdir, this notation +is deprecated for mount.mkdir since v2.30. .SH "FILESYSTEM-SPECIFIC MOUNT OPTIONS" The following options apply only to certain filesystems. |