Re: linux-next: next-20090609 hangs in early user mode

From: Stephen Rothwell
Date: Wed Jun 10 2009 - 09:07:52 EST


Hi Al,

On Wed, 10 Jun 2009 14:00:54 +0100 Al Viro <viro@xxxxxxxxxxxxxxxxxx> wrote:
>
> On Wed, Jun 10, 2009 at 06:00:58PM +1000, Stephen Rothwell wrote:
>
> > d4fdcb2068eef29c03d6027aa219fa60171c6b87 is first bad commit
> > commit d4fdcb2068eef29c03d6027aa219fa60171c6b87
> > Author: Theodore Ts'o <tytso@xxxxxxx>
> > Date: Thu May 21 16:00:59 2009 -0400
> >
> > fs: i_flags and i_state in struct inode only need to be unsigned short
> >
> > Currently i_flags and i_state do not need to be an unsigned int and an
> > unsigned long, respectively. (We currently use 9 i_flags bits, and 8
> > i_state bits.) Changing them to be an unsigned short saves 4 bytes
> > per inode on an x86 platform, and 8 bytes on an x86_64 platform.
> >
> > Signed-off-by: "Theodore Ts'o" <tytso@xxxxxxx>
> > Cc: linux-fsdevel@xxxxxxxxxxxxxxx
> > Signed-off-by: Al Viro <viro@xxxxxxxxxxxxxxxxxx>
>
> *gyah*
>
> Yes, it's obviously bogus. Dropped from the tree; I don't think it's
> really salvagable - even merging into one unsigned long will not be
> enough, since we will end up with different locking for different bits.

OK, thanks.

--
Cheers,
Stephen Rothwell sfr@xxxxxxxxxxxxxxxx
http://www.canb.auug.org.au/~sfr/

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