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9p: Fix v9fs show_options 

Add the delimiter ',' before the options when they are passed
and check if no option parameters are passed to prevent displaying
NULL in /proc/mounts.

Signed-off-by: Abhishek Kulkarni <adkulkar@umail.iu.edu>
Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
This commit is contained in:
Abhishek Kulkarni 2009-07-19 13:41:53 -06:00 committed by Eric Van Hensbergen
parent 02bc35672b
commit 4f4038328d
1 changed files with 2 additions and 2 deletions
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4
fs/9p/vfs_super.c
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@ -220,8 +220,8 @@ static void v9fs_kill_super(struct super_block *s)
static int v9fs_show_options(struct seq_file *m, struct vfsmount *mnt)
{
struct v9fs_session_info *v9ses = mnt->mnt_sb->s_fs_info;
seq_printf(m, "%s", v9ses->options);
if (v9ses->options != NULL)
seq_printf(m, ",%s", v9ses->options);
return 0;
}