Messages in this thread | | | Date | Wed, 7 Jul 2010 08:57:01 -0400 | From | "J. Bruce Fields" <> | Subject | Re: [PATCH -V14 0/11] Generic name to handle and open by handle syscalls |
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On Wed, Jul 07, 2010 at 12:57:26PM +1000, Neil Brown wrote: > The trouble with /proc/mounts is that it is somewhat clumsy to parse > (remember to handle \0ctal escapes) and doesn't include major/minor number > which is the primary key for identifying filesystems in Linux > (see /sys/class/bdi/MAJOR:MINOR which is e.g. the best place to configure > read-ahead for a filesystem). > > So /proc/mounts could work (and would probably be better than a new syscall) > but I would really rather see something sane in /sys for > inspecting/configuring filesystems (rather than each filesystem doing their > own independent thing in /sys/fs).
If you use sys or proc, is it possible to get the uuid from a file descriptor or pathname without races?
--b.
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