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Message-ID: <20140108010120.GA1278@kroah.com> Date: Tue, 7 Jan 2014 17:01:20 -0800 From: Greg KH <gregkh@...uxfoundation.org> To: Tejun Heo <tj@...nel.org> Cc: linux-kernel@...r.kernel.org, schwidefsky@...ibm.com, heiko.carstens@...ibm.com, stern@...land.harvard.edu, JBottomley@...allels.com, bhelgaas@...gle.com Subject: Re: [PATCHSET driver-core-next] kernfs, sysfs, driver-core: implement synchronous self-removal On Tue, Jan 07, 2014 at 04:41:19PM -0500, Tejun Heo wrote: > On Tue, Jan 07, 2014 at 12:59:38PM -0500, Tejun Heo wrote: > > This patchset improves kernfs removal path and implements > > kernfs_remove_self() which is to be called from an on-going kernfs > > operation and removes the self node. The function can be called > > concurrently and only one will return %true and all others will wait > > until the winner's file operation is complete (not the > > kernfs_remove_self() call itself but the enclosing file operation > > which invoked the function). This ensures that if there are multiple > > concurrent "echo 1 > asdf/delete", all of them would finish only after > > the whole store_delete() method is complete. > > Heh, dang it. Please ignore this posting. I thought I could get away > with this but apparently cgroup would need something a bit more > flexible. :( Ok, now dropped from my queue. greg k-h -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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