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    SubjectRe: Linux 2.6.39-rc3
    On Tue, Apr 12, 2011 at 03:20:14PM -0500, Eric Sandeen wrote:
    > > It looks like /proc/self/mountinfo broke abi.
    > >
    > > .38:
    > > 48 45 253:3 / /home rw,relatime - ext4 /dev/mapper/vg_adamo-lv_home rw,seclabel,barrier=1,data=ordered
    > >
    > > .39:
    > > 46 22 253:3 / /home rw,relatime uuid:f3971858-79a9-4526-888c-1f86d35a6704 - ext4 /dev/mapper/vg_adamo-lv_home rw,seclabel,user_xattr,barrier=1,data=ordered
    > >
    >
    > so it's supposed to be like this, from Documentation/filesystems/proc.txt:
    >
    > > This file contains lines of the form:
    > >
    > > 36 35 98:0 /mnt1 /mnt2 rw,noatime master:1 - ext3 /dev/root rw,errors=continue
    > > (1)(2)(3) (4) (5) (6) (7) (8) (9) (10) (11)
    > >
    > > (1) mount ID: unique identifier of the mount (may be reused after umount)
    > > (2) parent ID: ID of parent (or of self for the top of the mount tree)
    > > (3) major:minor: value of st_dev for files on filesystem
    > > (4) root: root of the mount within the filesystem
    > > (5) mount point: mount point relative to the process's root
    > > (6) mount options: per mount options
    > > (7) optional fields: zero or more fields of the form "tag[:value]"
    > > (8) separator: marks the end of the optional fields
    > > (9) filesystem type: name of filesystem of the form "type[.subtype]"
    > > (10) mount source: filesystem specific information or "none"
    > > (11) super options: per super block options
    >
    > it does seem that the new UUID info is in a perfectly fine place
    > (the optional fields slot), at least per the docs, so I guess I
    > might blame the mount binary for not following the aforementioned
    > rules...

    Yes, I agree. Already discussed at lkml and linux-fs :-)
    http://thread.gmane.org/gmane.linux.kernel/1121533

    > Maybe Karel knows? cc'd...

    Already fixed in util-linux upstream.

    Karel

    --
    Karel Zak <kzak@redhat.com>
    http://karelzak.blogspot.com


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