Messages in this thread | | | Date | Thu, 27 Dec 2007 16:02:56 -0800 (PST) | From | Christoph Lameter <> | Subject | Re: SLUB sysfs support |
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On Thu, 27 Dec 2007, Al Viro wrote:
> On Thu, Dec 27, 2007 at 03:53:43PM -0800, Christoph Lameter wrote: > > On Thu, 27 Dec 2007, Christoph Lameter wrote: > > > > > > a) remove symlink when slab goes away > > > > > > Ok. Need to think about how to code that. > > > > How do I iterate over all symlinks in /sys/kernel/slab/*? > > > > I remember trying to do it before and not being able to find a sysfs > > method for that. > > What the hell do you need that for? You have an obvious moment when > /sys/kernel/slab/cache_name -> <whatever> should be gone - it's when > you remove the slab called cache_name. And at that point you don't > need to iterate over anything - you have the exact name, for fsck sake... > > Why would you want these symlinks to stick around for longer than that?
/sys/kernel/slab/cache_name is a real directory but then there are the aliases in /sys/kernel/slab/alias_name pointing to that directory that also have to be removed.
So I need to scan for symlinks in /sys/kernel/slab/* pointing to /sys/kernel/slab/cache_name.
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