[linux-cifs-client] [PATCH 1/4] cifs: make cifs_lookup return a dentry
Jeff Layton
jlayton at redhat.com
Fri May 21 12:42:18 MDT 2010
On Fri, 21 May 2010 14:45:55 -0400
Josef Bacik <josef at redhat.com> wrote:
> On Fri, May 21, 2010 at 02:25:14PM -0400, Jeff Layton wrote:
> > cifs_lookup doesn't actually return a dentry. It instantiates the one
> > that's passed in, but callers don't have any way to know if the lookup
> > succeeded.
> >
> > Signed-off-by: Jeff Layton <jlayton at redhat.com>
> > ---
> > fs/cifs/dir.c | 13 +++++++++----
> > 1 files changed, 9 insertions(+), 4 deletions(-)
> >
> > diff --git a/fs/cifs/dir.c b/fs/cifs/dir.c
> > index 391816b..54de8e5 100644
> > --- a/fs/cifs/dir.c
> > +++ b/fs/cifs/dir.c
> > @@ -639,6 +639,7 @@ cifs_lookup(struct inode *parent_dir_inode, struct dentry *direntry,
> > struct inode *newInode = NULL;
> > char *full_path = NULL;
> > struct file *filp;
> > + struct dentry *res;
> >
> > xid = GetXid();
> >
> > @@ -738,7 +739,8 @@ cifs_lookup(struct inode *parent_dir_inode, struct dentry *direntry,
> > /* since paths are not looked up by component - the parent
> > directories are presumed to be good here */
> > renew_parental_timestamps(direntry);
> > -
> > + res = direntry;
> > + dget(res);
> > } else if (rc == -ENOENT) {
> > rc = 0;
> > direntry->d_time = jiffies;
> > @@ -747,17 +749,20 @@ cifs_lookup(struct inode *parent_dir_inode, struct dentry *direntry,
> > else
> > direntry->d_op = &cifs_dentry_ops;
> > d_add(direntry, NULL);
> > - /* if it was once a directory (but how can we tell?) we could do
> > - shrink_dcache_parent(direntry); */
> > + res = direntry;
> > + dget(res);
>
> Should probably do
>
> res = dget(direntry)
>
Ahh good catch. Will fix.
Thanks,
--
Jeff Layton <jlayton at redhat.com>
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