On Thu, 23 Sep 2010 01:19:23 -0500
Steve French <smfrench@xxxxxxxxx> wrote:
> Won't this overwrite the effect of the "uid" mount parameter?
>
> linux_uid is set at mount time to either current uid or what is passed
> in on uid (if "uid" is specified on mount). Your code seems to
> unconditionally change that to ignore the uid passed in or mount.
>
Does it make sense to present ownership of all files the same as the
uid= option in a multiuser mount scenario? Note that when it's not a
multiuser mount, the current behavior is unchanged.
> On Mon, Sep 20, 2010 at 6:01 PM, Jeff Layton <jlayton@xxxxxxxxxx> wrote:
> > ...when unix extensions aren't enabled. This makes everything on
> > the mount appear to be owned by the current user.
> >
> > Signed-off-by: Jeff Layton <jlayton@xxxxxxxxxx>
> > ---
> > fs/cifs/inode.c | 8 ++++++++
> > 1 files changed, 8 insertions(+), 0 deletions(-)
> >
> > diff --git a/fs/cifs/inode.c b/fs/cifs/inode.c
> > index dcd0886..2256124 100644
> > --- a/fs/cifs/inode.c
> > +++ b/fs/cifs/inode.c
> > @@ -1761,11 +1761,19 @@ check_inval:
> > int cifs_getattr(struct vfsmount *mnt, struct dentry *dentry,
> > struct kstat *stat)
> > {
> > + struct cifs_sb_info *cifs_sb = CIFS_SB(dentry->d_sb);
> > + struct cifsTconInfo *tcon = cifs_sb_master_tcon(cifs_sb);
> > int err = cifs_revalidate_dentry(dentry);
> > +
> > if (!err) {
> > generic_fillattr(dentry->d_inode, stat);
> > stat->blksize = CIFS_MAX_MSGSIZE;
> > stat->ino = CIFS_I(dentry->d_inode)->uniqueid;
> > + if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_MULTIUSER &&
> > + !tcon->unix_ext) {
> > + stat->uid = current_fsuid();
> > + stat->gid = current_fsgid();
> > + }
> > }
> > return err;
> > }
> > --
> > 1.7.2.3
> >
> >
>
>
>
--
Jeff Layton <jlayton@xxxxxxxxxx>
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