On Tue, 2008-06-03 at 11:48 +0100, Al Viro wrote: > On Tue, Jun 03, 2008 at 12:37:59PM +0200, Miklos Szeredi wrote: > > > http://www.kerneloops.org/raw.php?rawid=12419&msgid= > > > > > > Looks like a negative inode in S_ISDIR(mnt->mnt_root->d_inode->i_mode), > > > which would be due to NFS not properly filling in its root dentry? > > > > On second thought it's S_ISDIR(path->dentry->d_inode->i_mode), which > > means it's an autofs thing. > > It is path->dentry, all right, but the question is how'd it get that way. > Look: we got that nd.path.dentry out of path_lookup() with LOOKUP_FOLLOW > as flags. Then we'd passed it through do_new_mount() to do_add_mount() > without changes. And went through > /* Something was mounted here while we slept */ > while (d_mountpoint(nd->path.dentry) && > follow_down(&nd->path.mnt, &nd->path.dentry)) > ; And this relates to previous in that a mount isn't done by autofs until until after the directory is created, at which time the (->mkdir()) dentry is hashed. Ian -- To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
