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

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Date:	Mon, 21 Oct 2013 08:53:50 -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

2013/10/20 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.

>
>
> 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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