Re: [PATCH] sysfs: get rid of some lockdep false positives

[Greg KH]

On Mon, May 14, 2012 at 04:03:59PM -0400, Alan Stern wrote:
> On Mon, 14 May 2012, Greg KH wrote:
> 
> > > ---
> > > 
> > >  drivers/usb/core/sysfs.c |    6 +++---
> > >  fs/sysfs/dir.c           |   31 ++++++++++++++++++++++++++-----
> > >  include/linux/device.h   |    3 +++
> > >  include/linux/sysfs.h    |   12 ++++++++++++
> > >  4 files changed, 44 insertions(+), 8 deletions(-)
> > > 
> > > Index: usb-3.4/include/linux/sysfs.h
> > > ===================================================================
> > > --- usb-3.4.orig/include/linux/sysfs.h
> > > +++ usb-3.4/include/linux/sysfs.h
> > 
> > Just a note about this patch, from a meta-point of view (I have no
> > objection to the patch at all, I'll go apply it in a bit.)
> > 
> > You do use git to generate these patches, right?  Or are you using
> > something else?  The "Index:" lines seem odd, like cvs things.
> 
> No, I use quilt, with QUILT_REFRESH_ARGS set to "--diffstat 
> --no-timestamps -p1" in my .quiltrc file.  There's an option to 
> suppress the Index: lines but I never bothered to set it.
> 
> > Also, I just learned about the '--3way' option to 'git am', which, when
> > I have merge problems with a patch (like, for example this one, which
> > had rejects in the device.h portion), should be able to help me out, if
> > you used git to generate the patch.
> > 
> > But, if you don't use git, no problems, I was just curious as to what
> > was creating the "Index:" lines.
> 
> They are added explicitly by /usr/share/quilt/scripts/patchfns -- grep
> for "Index:".  I don't know why quilt adds those lines, though.  
> Trying to resemble cvs output, maybe?

Ah, yeah, I turned that off a long time ago in my .quiltrc, here's what
I use:

QUILT_REFRESH_ARGS="--diffstat --strip-trailing-whitespace --no-timestamps --no-index --sort -p1 -p ab"
QUILT_DIFF_ARGS="--no-timestamps --no-index --sort --color=auto -p ab"
QUILT_DIFF_OPTS="-p"

Anyway, thanks for letting me know, just curious.

greg k-h
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