On Sun, Sep 18, 2016 at 04:37:29PM -0400, James Simmons wrote:
> + * Range lock is used to allow multiple threads writing a single shared
> + * file given each thread is writing to a non-overlapping portion of the
> + * file.
> + *
> + * Refer to the possible upstream kernel version of range lock by
> + * Jan Kara <j...@suse.cz>: https://lkml.org/lkml/2013/1/31/480
> + *
> + * This file could later replaced by the upstream kernel version.
It doesn't look like range_lock ever got accepted in the kernel tree,
any idea what happened to it? Having a per-filesystem lock type seems
odd to me...
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