On Wed, 16 Jan 2008 23:12:31 +0100 Miklos Szeredi <miklos@xxxxxxxxxx> wrote: > The reason, why this patch was dug up, is that if the bdi-sysfs patch > is going to use device numbers to identify BDIs, then there should be > a way for the user to map the device number into mount(s). > > But it's useful regardless of the bdi-sysfs patch. Don't know what that is. > Can this be added to -mm? > > In theory it could break userspace, but I think it's very unlikely to > do so, because stuff is added only at the end of the lines, and > because most programs probably parse it through the libc interface > which is not broken by this change. Despite this, it should be tested > on as many systems as possible. Seems like a plain bad idea to me. There will be any number of home-made /proc/mounts parsers and we don't know what they do. > - for mount ID's use IRA instead of a 32bit counter, which could overflow don't know what an IRA is. > - print canonical ID's (smallest one within the peer group) for peers > and master, this is more useful, than a random ID within the same namespace > - fix a couple of small bugs > - style fixes > > Signed-off-by: Ram Pai <linuxram@xxxxxxxxxx> > Signed-off-by: Miklos Szeredi <mszeredi@xxxxxxx> Both the newly-added inlines in this patch are wrong. They will result in a larger and slower kernel. This should be very well known by now. - 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