From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To: Peng Tao <bergwolf@gmail.com>
Cc: linux-kernel@vger.kernel.org, Andreas Dilger <andreas.dilger@intel.com>
Subject: Re: [PATCH 1/4] staging/lustre/llite: cache jobid in lu_env
Date: Wed, 30 Oct 2013 06:19:42 -0700 [thread overview]
Message-ID: <20131030131942.GC30087@kroah.com> (raw)
In-Reply-To: <1383132636-8952-1-git-send-email-bergwolf@gmail.com>
On Wed, Oct 30, 2013 at 07:30:33PM +0800, Peng Tao wrote:
> We will switch to find jobid from /proc/self/environ and we need an
> extra memory copy to do it, so let's cache it in lu_env.
> It is then copied from lu_env to ll_inode_info upon every read/write.
What does this mean?
And you better not be reading proc values from within the kernel...
greg k-h
prev parent reply other threads:[~2013-10-30 13:17 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-10-30 11:30 [PATCH 1/4] staging/lustre/llite: cache jobid in lu_env Peng Tao
2013-10-30 11:30 ` [PATCH 2/4] staging/lustre/obdclass: read jobid from proc Peng Tao
2013-10-30 13:21 ` Greg Kroah-Hartman
2013-10-30 13:31 ` Peng Tao
2013-10-30 14:20 ` Greg Kroah-Hartman
2013-10-30 15:15 ` Peng Tao
2014-02-04 6:12 ` Oleg Drokin
2014-02-04 16:57 ` Greg Kroah-Hartman
2014-02-04 17:27 ` Oleg Drokin
2013-10-30 11:30 ` [PATCH 3/4] staging/lustre: remove cfs_get_environ and cfs_access_process_vm Peng Tao
2013-10-30 11:30 ` [PATCH 4/4] staging/lustre: enable build on MIPS/XTENSA/SUPERH Peng Tao
2013-10-30 13:19 ` Greg Kroah-Hartman [this message]
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