Re: [PATCH] xfsprogs: remove unused libxfs helper #defines

[Carlos Maiolino <cmaiolino@redhat.com>]

On Sun, Feb 26, 2017 at 10:39:54PM -0600, Eric Sandeen wrote:
> There are several #defines which aren't used anywhere
> in either xfsprogs or the kernel, so remove them from the
> libxfs/libxfs_priv.h helper file.
> 
> This does leave a few (currently) unused defines in place
> if they are still used in the kernel, in the hope that future
> libxfs changes might Just Work.
> 

Looks fine, you can add:

Reviewed-by: Carlos Maiolino <cmaiolino@redhat.com>

Thanks for this cleanup :)

> Signed-off-by: Eric Sandeen <sandeen@redhat.com>
> ---
> 
>  libxfs_priv.h |   38 +-------------------------------------
>  1 file changed, 1 insertion(+), 37 deletions(-)
> 
> diff --git a/libxfs/libxfs_priv.h b/libxfs/libxfs_priv.h
> index 14ae788..ccc732f 100644
> --- a/libxfs/libxfs_priv.h
> +++ b/libxfs/libxfs_priv.h
> @@ -103,8 +103,6 @@ extern char    *progname;
>  #define ATTR_KERNOTIME			0
>  #define ATTR_KERNOVAL			0
>  
> -#define IHOLD(ip)			((void) 0)
> -
>  #define XFS_IGET_CREATE			0x1
>  #define XFS_IGET_UNTRUSTED		0x2
>  
> @@ -128,16 +126,12 @@ enum ce { CE_DEBUG, CE_CONT, CE_NOTE, CE_WARN, CE_ALERT, CE_PANIC };
>  	cmn_err(CE_ALERT, "%s: XFS_ERROR_REPORT", (e));  \
>  } while (0)
>  
> -#define XFS_QM_DQATTACH(mp,ip,flags)	0
>  #define XFS_ERRLEVEL_LOW		1
>  #define XFS_FORCED_SHUTDOWN(mp)		0
>  #define XFS_ILOCK_EXCL			0
>  #define XFS_STATS_INC(mp, count)	do { (mp) = (mp); } while (0)
>  #define XFS_STATS_DEC(mp, count, x)	do { (mp) = (mp); } while (0)
>  #define XFS_STATS_ADD(mp, count, x)	do { (mp) = (mp); } while (0)
> -#define XFS_TRANS_MOD_DQUOT_BYINO(mp,tp,ip,field,delta)	do { } while (0)
> -#define XFS_TRANS_RESERVE_QUOTA_NBLKS(mp,tp,ip,nblks,ninos,fl)	0
> -#define XFS_TRANS_UNRESERVE_QUOTA_NBLKS(mp,tp,ip,nblks,ninos,fl)	0
>  #define XFS_TEST_ERROR(expr,a,b,c)	( expr )
>  #define XFS_WANT_CORRUPTED_GOTO(mp, expr, l)				\
>  {									\
> @@ -308,20 +302,11 @@ roundup_64(__uint64_t x, __uint32_t y)
>  }
>  
>  /* buffer management */
> -#define XFS_BUF_LOCK			0
> -#define XFS_BUF_TRYLOCK			0
> -#define XBF_LOCK			XFS_BUF_LOCK
> -#define XBF_TRYLOCK			XFS_BUF_TRYLOCK
> -#define XBF_DONT_BLOCK			0
> +#define XBF_TRYLOCK			0
>  #define XBF_UNMAPPED			0
>  #define XBF_DONE			0
> -#define XFS_BUF_GETERROR(bp)		0
> -#define XFS_BUF_DONE(bp)		((bp)->b_flags |= LIBXFS_B_UPTODATE)
> -#define XFS_BUF_ISDONE(bp)		((bp)->b_flags & LIBXFS_B_UPTODATE)
>  #define xfs_buf_stale(bp)		((bp)->b_flags |= LIBXFS_B_STALE)
>  #define XFS_BUF_UNDELAYWRITE(bp)	((bp)->b_flags &= ~LIBXFS_B_DIRTY)
> -#define XFS_BUF_SET_VTYPE(a,b)		((void) 0)
> -#define XFS_BUF_SET_VTYPE_REF(a,b,c)	((void) 0)
>  #define XFS_BUF_SET_BDSTRAT_FUNC(a,b)	((void) 0)
>  
>  /* avoid gcc warning */
> @@ -353,7 +338,6 @@ roundup_64(__uint64_t x, __uint32_t y)
>  #define XFS_MOUNT_RDONLY		0	/* ignored in userspace */
>  
>  
> -#define xfs_trans_get_block_res(tp)	1
>  #define xfs_trans_set_sync(tp)		((void) 0)
>  #define xfs_trans_ordered_buf(tp, bp)	((void) 0)
>  #define	xfs_trans_agblocks_delta(tp, d)
> @@ -373,26 +357,13 @@ roundup_64(__uint64_t x, __uint32_t y)
>  	__d = __d; /* no set-but-unused warning */	\
>  })
>  #define xfs_buf_readahead_map(a,b,c,ops)	((void) 0)	/* no readahead */
> -#define xfs_buftrace(x,y)			((void) 0)	/* debug only */
>  
> -#define xfs_cmn_err(tag,level,mp,fmt,args...)	cmn_err(level,fmt, ## args)
>  #define xfs_warn(mp,fmt,args...)		cmn_err(CE_WARN,fmt, ## args)
>  #define xfs_alert(mp,fmt,args...)		cmn_err(CE_ALERT,fmt, ## args)
>  #define xfs_alert_tag(mp,tag,fmt,args...)	cmn_err(CE_ALERT,fmt, ## args)
>  
> -#define xfs_dir2_trace_args(where, args)		((void) 0)
> -#define xfs_dir2_trace_args_b(where, args, bp)		((void) 0)
> -#define xfs_dir2_trace_args_bb(where, args, lbp, dbp)	((void) 0)
> -#define xfs_dir2_trace_args_bibii(where, args, bs, ss, bd, sd, c) ((void) 0)
> -#define xfs_dir2_trace_args_db(where, args, db, bp)	((void) 0)
> -#define xfs_dir2_trace_args_i(where, args, i)		((void) 0)
> -#define xfs_dir2_trace_args_s(where, args, s)		((void) 0)
> -#define xfs_dir2_trace_args_sb(where, args, s, bp)	((void) 0)
>  #define xfs_sort					qsort
>  
> -#define xfs_icsb_reinit_counters(mp)			do { } while (0)
> -#define xfs_initialize_perag_icache(pag)		((void) 0)
> -
>  #define xfs_ilock(ip,mode)				((void) 0)
>  #define xfs_ilock_nowait(ip,mode)			((void) 0)
>  #define xfs_ilock_demote(ip,mode)			((void) 0)
> @@ -402,7 +373,6 @@ roundup_64(__uint64_t x, __uint32_t y)
>  	typeof(mode) __mode = mode;				\
>  	__mode = __mode; /* no set-but-unused warning */	\
>  })
> -#define __xfs_flock(ip)					((void) 0)
>  
>  /* space allocation */
>  #define xfs_extent_busy_reuse(mp,ag,bno,len,user)	((void) 0)
> @@ -417,12 +387,6 @@ do { \
>  	*(len) = (flen); \
>  } while (0)
>  
> -/* avoid unused variable warning */
> -#define xfs_alloc_busy_insert(tp,ag,b,len)	({	\
> -	xfs_agnumber_t __foo = ag;			\
> -	__foo = 0;					\
> -})
> -
>  #define xfs_rotorstep				1
>  #define xfs_bmap_rtalloc(a)			(-ENOSYS)
>  #define xfs_get_extsz_hint(ip)			(0)
> 
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-- 
Carlos