On Wed, Feb 10, 2010 at 10:04:28AM +0000, Al Viro (viro@xxxxxxxxxxxxxxxxxx) wrote: > a) pohmelfs_construct_path_string() will do interesting things if you > call it while chrooted into jail and pohmelfs mounted deeper in that > jail. Try it. Should it walk upto mountpoint? > b) just why do we care about root of chroot jail in pohmelfs_path_length()? > Not to mention anything else, current->fs->root/mnt may be changed under > you if you share current->fs with another thread, but even aside of that, > why does filesystem care about chroot of caller at all? > > What's going on there? It tries to construct a full path upto mountpoint. Effectively it should do similar to non-exported dentry_path() things. There is a race between getting buffer size and filling with the actual path, but we take care about that by restarting if needed. -- Evgeniy Polyakov -- 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
