Re: gcc inlining heuristics was Re: [PATCH -v7][RFC]: mutex: implement adaptive spinning

2009-01-18 Thread Nick Piggin
On Mon, Jan 19, 2009 at 01:13:45AM +0100, Ingo Molnar wrote: > > * Bernd Schmidt wrote: > > > Linus Torvalds wrote: > > > But you'll need some background to it: > > > > You paint a somewhat one-sided picture bordering on FUD. > > Type based aliasing should at most have been an opt-in for code

Re: gcc inlining heuristics was Re: [PATCH -v7][RFC]: mutex: implement adaptive spinning

2009-01-18 Thread Ingo Molnar
* Bernd Schmidt wrote: > Linus Torvalds wrote: > > But you'll need some background to it: > > You paint a somewhat one-sided picture bordering on FUD. > > > Type-based aliasing is _stupid_. > > Type-based aliasing is simply an application of the language definition, > and depending on the co

sysreccd with btrfs support

2009-01-18 Thread Christian Hesse
Hi everybody, we have a live cd with up to date btrfs support now! I mailed Francois and prepared some packages, he included it in the beta6 of his sysreccd. So go and get it: http://sysresccd.org/Beta-x86 Thanks a lot to Francois for his work! If anybody is interested in testing btrfs with ke

Re: Misleading error message in btrfsctl

2009-01-18 Thread Calvin Walton
On Sun, 2009-01-18 at 14:40 +0100, Peter Klotz wrote: > Calling btrfsctl results in this message when module btrfs.ko is not loaded: > > r...@asus:/root# btrfsctl -A /dev/sda > ioctl:: Bad file descriptor .. > The output with applied patch: > > r...@asus:/root# btrfsctl -A /dev/sda > failed to op

Misleading error message in btrfsctl

2009-01-18 Thread Peter Klotz
Calling btrfsctl results in this message when module btrfs.ko is not loaded: r...@asus:/root# btrfsctl -A /dev/sda ioctl:: Bad file descriptor An strace shows that actually opening of /dev/btrfs-control failed. open("/dev/btrfs-control", O_RDWR) = -1 ENOENT (No such file or directory) ioc