linux-kernel - Re: [PATCH] 9p: proper use of the 'name' variable

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Message-ID: <CAGG-pUQc8Y+2osgj1M1DeaEBVVpRm_9vF8TELbi4ScfopZHnPQ@mail.gmail.com>
Date:	Mon, 21 Oct 2013 17:00:51 -0200
From:	Geyslan Gregório Bem <geyslan@...il.com>
To:	Eric Van Hensbergen <ericvh@...il.com>
Cc:	rminnich@...dia.gov, Latchesar Ionkov <lucho@...kov.net>,
	V9FS Developers <v9fs-developer@...ts.sourceforge.net>,
	linux-kernel <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] 9p: proper use of the 'name' variable

2013/10/21 Geyslan Gregório Bem <geyslan@...il.com>:
> 2013/10/20 Eric Van Hensbergen <ericvh@...il.com>:
>> I reckon we should probably just get rid of name if its not being used.  I
>> doubt the indirection is going to hurt anything here.
>>
>>      -eric
>>
>
> Eric, you're right. Once that there's not assignment to name, the
> cycles are the same.
> I'll get rid of name var.
>

New patch sent.
[PATCH] 9p: remove useless 'name' variable and assignment

>>
>>
>> On Sat, Sep 28, 2013 at 6:32 PM, Geyslan G. Bem <geyslan@...il.com> wrote:
>>>
>>> The 'name' variable was assigned but never used. Hence puts its
>>> assignment to the top and makes proper use of its value.
>>>
>>> Signed-off-by: Geyslan G. Bem <geyslan@...il.com>
>>> ---
>>>  fs/9p/vfs_inode_dotl.c | 8 ++++----
>>>  1 file changed, 4 insertions(+), 4 deletions(-)
>>>
>>> diff --git a/fs/9p/vfs_inode_dotl.c b/fs/9p/vfs_inode_dotl.c
>>> index 6803758..86b6944 100644
>>> --- a/fs/9p/vfs_inode_dotl.c
>>> +++ b/fs/9p/vfs_inode_dotl.c
>>> @@ -772,8 +772,10 @@ v9fs_vfs_link_dotl(struct dentry *old_dentry, struct
>>> inode *dir,
>>>         struct p9_fid *dfid, *oldfid;
>>>         struct v9fs_session_info *v9ses;
>>>
>>> +       name = (char *) dentry->d_name.name;
>>> +
>>>         p9_debug(P9_DEBUG_VFS, "dir ino: %lu, old_name: %s, new_name:
>>> %s\n",
>>> -                dir->i_ino, old_dentry->d_name.name,
>>> dentry->d_name.name);
>>> +                dir->i_ino, old_dentry->d_name.name, name);
>>>
>>>         v9ses = v9fs_inode2v9ses(dir);
>>>         dir_dentry = dentry->d_parent;
>>> @@ -785,9 +787,7 @@ v9fs_vfs_link_dotl(struct dentry *old_dentry, struct
>>> inode *dir,
>>>         if (IS_ERR(oldfid))
>>>                 return PTR_ERR(oldfid);
>>>
>>> -       name = (char *) dentry->d_name.name;
>>> -
>>> -       err = p9_client_link(dfid, oldfid, (char *)dentry->d_name.name);
>>> +       err = p9_client_link(dfid, oldfid, name);
>>>
>>>         if (err < 0) {
>>>                 p9_debug(P9_DEBUG_VFS, "p9_client_link failed %d\n", err);
>>> --
>>> 1.8.4
>>>
>>
--
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