Mailinglist Archive: opensuse-factory (396 mails)

[Greg KH <gregkh@xxxxxxx>]

On Tue, Jan 11, 2011 at 04:50:33PM +0100, Petr Uzel wrote:
> Hi folks,
>
> Last week, the first release candidate for util-linux-2.19 was released.  The
> package is ready in Base:System for testing (not yet submitted to Factory - 
> see
> below).
>
> From the package changelog:
>   * lsblk(8):
>    - this NEW COMMAND lists information about all or selected block
>      devices in tree-like format.
>   * partx(8):
>    - this command has been rewritten to use libblkid for partition
>      tables parsing. It supports aix, bsd, dos, gpt, mac, minix,
>      sgi, solaris_x86, sun, ultrix and unixware now.
>    - supports new command line option "--show" to list partitions in
>      new format
>    - prints UUID and name for GPT and mac partitions
>   * findmnt(8):
>    - supports new command line option "--submounts" to list all
>      submounts for selected mountpoint(s)
>   * agetty(8):
>    - supports new command line options "-c" and "-s" to reuse
>      already initialized tty cflags and existing baud rate
>   * mount(8), umount(8):
>    - could be linked with libmount (--enable-libmount-mount) to
>      manage userspace mount options outside /etc/mtab on systems
>      where the file is a symlink to /proc/mounts. (EXPERIMENTAL,
>      enabled in openSUSE package)
>   * losetup(8), mount(8):
>    - uses /sys/dev/block/<device>/loop/backing_file rather than
>      loopdev ioctls (requires kernel >= 2.6.37)

Will this fall back on the ioctls for older kernels?

>   * fsck(8):
>    - supports new command line option "-l" to lock whole-disk device
>      by exclusive flock(2). This option is recommended when more
>      fsck(8) instances are executed in the same time. 
>   * rtcwake(8):
>     - supports new mode "show" to print the current RTC alarm time
>   * fstrim(8):
>     - this NEW COMMAND allows to discard unused blocks on a mounted
>       filesystem (wrapper for FITRIM ioctl)
>   * swapon(8):
>     - supports new options "discard" and "nofail"
>
> The most important change is that mount(8) and umount(8) can manage
> userspace mount options without writable mtab, which allows 
> /etc/mtab to be symlink to /proc/self/mounts. This is important for
> systemd, which requires mtab to be such symlink.
>
> /etc/mtab is converted to the symlink automatically by the package
> in the %post phase.
>
> OK, now to the point: the package is ready for testing in Base:System. I did
> some testing and it worked fine for me, but since the switch to RO mtab and
> (u)mount linked to (still experimental) libmount is not a trivial change, and 
> we
> already had Milestone 5, I'd like to hear some opinions whether this should
> GO/NOGO to Factory (to get to 11.4). Personally, I'm in favor of "GO".

I'd say "GO" as these seem like very nice things to have.

thanks,

greg k-h
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