Your message dated Sun, 20 Apr 2008 10:01:28 +0200
with message-id <[EMAIL PROTECTED]>
and subject line Re: Bug#449338: find -xdev crosses -obind mountpoints
has caused the Debian Bug report #449338,
regarding find -xdev crosses -obind mountpoints
to be marked as done.
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--
449338: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=449338
Debian Bug Tracking System
Contact [EMAIL PROTECTED] with problems
--- Begin Message ---
Package: findutils
Version: 4.2.31-1
-xdev isn't supposed to cross mountpoints, but it can if the
subdirectory is on the same device.
To show the problem:
mkdir -p a/b/c/d
cd a
mkdir e
> e/foo
mount -obind e b/c/d
find b -xdev
find prints b/c/d/foo which is across the mountpoint.
On my system, this causes some large directories (/home) to be backed
up multiple times because they're bind-mounted in /var/chroot/xxx/home
--
Dr Peter Chubb http://www.gelato.unsw.edu.au peterc AT gelato.unsw.edu.au
http://www.ertos.nicta.com.au ERTOS within National ICT Australia
--- End Message ---
--- Begin Message ---
On 2007-11-05 Andreas Metzler <[EMAIL PROTECTED]> wrote:
> On 2007-11-05 Peter Chubb <[EMAIL PROTECTED]> wrote:
> > Package: findutils
> > Version: 4.2.31-1
> > -xdev isn't supposed to cross mountpoints, but it can if the
> > subdirectory is on the same device.
> [...]
> Hello,
> This is kind of documented behavior, find does not care about
> mountpoints, it cares about filesystems/devices. The bind mounted
> stuff still lifes on the same device according to stat.
> | -- Option: -xdev
> | -- Option: -mount
> | Don't descend directories on other filesystems. These options are
> | synonyms.
> This is also the way POSIX/SUSv2 specifies it:
> | -xdev
> | The primary shall always evaluate as true; it shall cause find not
> | to continue descending past directories that have a different
> | device ID ( st_dev, see the stat() function defined in the System
> | Interfaces volume of IEEE Std 1003.1-2001). If any -xdev primary
> | is specified, it shall apply to the entire expression even if the
> | -xdev primary would not normally be evaluated.
--- End Message ---
