Re: [PATCH 2/2] xfs: inode counter needs to use __percpu_counter_compare

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On Tue, May 05, 2015 at 09:38:07PM -0700, Christoph Hellwig wrote:
> > diff --git a/fs/xfs/xfs_mount.c b/fs/xfs/xfs_mount.c
> > index 02f827f..900f8ce 100644
> > --- a/fs/xfs/xfs_mount.c
> > +++ b/fs/xfs/xfs_mount.c
> > @@ -1106,8 +1106,9 @@ xfs_mod_icount(
> >  	int64_t			delta)
> >  {
> >  	/* deltas are +/-64, hence the large batch size of 128. */
> > -	__percpu_counter_add(&mp->m_icount, delta, 128);
> > -	if (percpu_counter_compare(&mp->m_icount, 0) < 0) {
> > +#define _ICOUNT_BATCH	128
> > +	__percpu_counter_add(&mp->m_icount, delta, _ICOUNT_BATCH);
> 
> Can you give XFS_ prefixes to the atch sizes and move them otuside the
> function?  And fix up the instance in xfs_mod_fdblocks as well while
> you're at it.

Sure.

Cheers,

Dave.
-- 
Dave Chinner
david@xxxxxxxxxxxxx

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