On Fri, Jun 06, 2014 at 02:11:18PM -0400, Pranith Kumar wrote: > On 06/06/2014 01:53 PM, Pranith Kumar wrote: > > On Fri, Jun 6, 2014 at 3:35 AM, Peter Zijlstra <pet...@infradead.org> wrote: > >> > >> Now in general, I don't particularly like such superfluous changes, so > >> unless you can show that GCC actually generates better code, I'd prefer > >> to keep things as they are. > > > > Fixed and checked the assembly. It saves us 2 bytes of code, not much. I am > > not sure if that is worth it :( > > > > use bool as the return type for rwsem_is_locked() instead of int > > > > Signed-off-by: Pranith Kumar <bobby.pr...@gmail.com> ....
Makes sense to me. > I observed one other user of rwsem_is_locked() in xfs, change accordingly > > Signed-off-by: Pranith Kumar <bobby.pr...@gmail.com> > --- > fs/xfs/xfs_inode.c | 2 +- > fs/xfs/xfs_inode.h | 2 +- > 2 files changed, 2 insertions(+), 2 deletions(-) > > diff --git a/fs/xfs/xfs_inode.c b/fs/xfs/xfs_inode.c > index 768087b..9047eda 100644 > --- a/fs/xfs/xfs_inode.c > +++ b/fs/xfs/xfs_inode.c > @@ -285,7 +285,7 @@ xfs_ilock_demote( > } > > #if defined(DEBUG) || defined(XFS_WARN) > -int > +bool > xfs_isilocked( > xfs_inode_t *ip, > uint lock_flags) If you are going to change the return type to bool, then you should also remove the manual "!!" conversions to a boolean return and let the compiler do it in the most optimal way. Cheers, Dave. -- Dave Chinner da...@fromorbit.com -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
