Messages in this thread | | | Date | Wed, 28 Jun 2017 14:07:04 -0400 | From | Tejun Heo <> | Subject | Re: [PATCH V4 03/12] kernfs: add an API to get kernfs node from inode number |
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On Wed, Jun 28, 2017 at 09:29:53AM -0700, Shaohua Li wrote: > From: Shaohua Li <shli@fb.com> > > Add an API to get kernfs node from inode number. We will need this to > implement exportfs operations. > > This API will be used in blktrace too later, so it should be as fast as > possible. To make the API lock free, kernfs node is freed in RCU > context. And we depend on kernfs_node count/ino number to filter out > stale kernfs nodes. > > Signed-off-by: Shaohua Li <shli@fb.com>
Acked-by: Tejun Heo <tj@kernel.org>
Thanks.
-- tejun
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