Re: [PATCH V4 03/12] kernfs: add an API to get kernfs node from inode number

From	Greg KH <gregkh@linuxfoundation.org>
Newsgroups	linux.kernel
Subject	Re: [PATCH V4 03/12] kernfs: add an API to get kernfs node from inode number
Date	2017-06-29 15:00 +0200
Message-ID	<tXHd8-7Io-31@gated-at.bofh.it> (permalink)
References	<tXppV-t5-19@gated-at.bofh.it> <tXpq0-t5-117@gated-at.bofh.it>
Organization	linux.* mail to news gateway

Show all headers | View raw

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: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

Back to linux.kernel | Previous | Next — Previous in thread | Find similar | Unroll thread

Thread

[PATCH V4 03/12] kernfs: add an API to get kernfs node from inode number Shaohua Li <shli@kernel.org> - 2017-06-28 20:00 +0200
  Re: [PATCH V4 03/12] kernfs: add an API to get kernfs node from  inode number Tejun Heo <tj@kernel.org> - 2017-06-28 20:10 +0200
  Re: [PATCH V4 03/12] kernfs: add an API to get kernfs node from  inode number Greg KH <gregkh@linuxfoundation.org> - 2017-06-29 15:00 +0200

csiph-web