[03/11,V2] libxfs: remove unused cruft

Commit Message

Eric Sandeen May 15, 2019, 12:17 a.m. UTC

Remove many unused #defines and functions.

Signed-off-by: Eric Sandeen <[e-mail]>
---

V2: Remove libxfs_trans_ijoin_ref as well

Comments

Dave Chinner May 15, 2019, 5:56 a.m. UTC | #1

On Tue, May 14, 2019 at 07:17:44PM -0500, Eric Sandeen wrote:
> Remove many unused #defines and functions.
> 
> Signed-off-by: Eric Sandeen <[e-mail]>
> ---
....
>  /* miscellaneous kernel routines not in user space */
> -#define down_read(a)		((void) 0)
> -#define up_read(a)		((void) 0)
>  #define spin_lock_init(a)	((void) 0)
>  #define spin_lock(a)		((void) 0)
>  #define spin_unlock(a)		((void) 0)

The lack of locking in the userspace code scares me somewhat :P

> @@ -400,7 +397,6 @@ roundup_64(uint64_t x, uint32_t y)
>  
>  #define XBRW_READ			LIBXFS_BREAD
>  #define XBRW_WRITE			LIBXFS_BWRITE
> -#define xfs_buf_iomove(bp,off,len,data,f)	libxfs_iomove(bp,off,len,data,f)
>  #define xfs_buf_zero(bp,off,len)     libxfs_iomove(bp,off,len,NULL,LIBXFS_BZERO)
>  
>  /* mount stuff */
> @@ -436,8 +432,6 @@ roundup_64(uint64_t x, uint32_t y)
>  #define xfs_sort					qsort
>  
>  #define xfs_ilock(ip,mode)				((void) 0)
> -#define xfs_ilock_nowait(ip,mode)			((void) 0)
> -#define xfs_ilock_demote(ip,mode)			((void) 0)

Especially that we have transactions that run without inode locks.

But that's not a problem this patch solves, so may as well get rid
of the unused interfaces...

Reviewed-by: Dave Chinner <[e-mail]>

Patch

diff --git a/include/libxfs.h b/include/libxfs.h
index 2bdef70..230bc3e 100644
--- a/include/libxfs.h
+++ b/include/libxfs.h
@@ -154,9 +154,6 @@  extern int	libxfs_log_header(char *, uuid_t *, int, int, int, xfs_lsn_t,
 extern int	libxfs_alloc_file_space (struct xfs_inode *, xfs_off_t,
 				xfs_off_t, int, int);
 
-extern void	libxfs_fs_repair_cmn_err(int, struct xfs_mount *, char *, ...);
-extern void	libxfs_fs_cmn_err(int, struct xfs_mount *, char *, ...);
-
 /* XXX: this is messy and needs fixing */
 #ifndef __LIBXFS_INTERNAL_XFS_H__
 extern void cmn_err(int, char *, ...);
diff --git a/include/xfs_trans.h b/include/xfs_trans.h
index 832bde1..10b7453 100644
--- a/include/xfs_trans.h
+++ b/include/xfs_trans.h
@@ -47,13 +47,6 @@  typedef struct xfs_buf_log_item {
 #define XFS_BLI_STALE			(1<<2)
 #define XFS_BLI_INODE_ALLOC_BUF		(1<<3)
 
-typedef struct xfs_dq_logitem {
-	xfs_log_item_t		qli_item;	/* common portion */
-	struct xfs_dquot	*qli_dquot;	/* dquot ptr */
-	xfs_lsn_t		qli_flush_lsn;	/* lsn at last flush */
-	xfs_dq_logformat_t	qli_format;	/* logged structure */
-} xfs_dq_logitem_t;
-
 typedef struct xfs_qoff_logitem {
 	xfs_log_item_t		qql_item;	/* common portion */
 	struct xfs_qoff_logitem	*qql_start_lip;	/* qoff-start logitem, if any */
@@ -64,7 +57,6 @@  typedef struct xfs_qoff_logitem {
 #define XFS_DEFER_OPS_NR_BUFS	2	/* join up to two buffers */
 
 typedef struct xfs_trans {
-	unsigned int	t_type;			/* transaction type */
 	unsigned int	t_log_res;		/* amt of log space resvd */
 	unsigned int	t_log_count;		/* count for perm log res */
 	unsigned int	t_blk_res;		/* # of blocks resvd */
@@ -98,7 +90,6 @@  void xfs_defer_cancel(struct xfs_trans *);
 struct xfs_buf *libxfs_trans_getsb(struct xfs_trans *, struct xfs_mount *, int);
 
 void	libxfs_trans_ijoin(struct xfs_trans *, struct xfs_inode *, uint);
-void	libxfs_trans_ijoin_ref(struct xfs_trans *, struct xfs_inode *, int);
 void	libxfs_trans_log_inode (struct xfs_trans *, struct xfs_inode *,
 				uint);
 int	libxfs_trans_roll_inode (struct xfs_trans **, struct xfs_inode *);
diff --git a/libxfs/libxfs_api_defs.h b/libxfs/libxfs_api_defs.h
index bb0f07b..1150ec9 100644
--- a/libxfs/libxfs_api_defs.h
+++ b/libxfs/libxfs_api_defs.h
@@ -16,9 +16,6 @@ 
 #define xfs_highbit32			libxfs_highbit32
 #define xfs_highbit64			libxfs_highbit64
 
-#define xfs_fs_repair_cmn_err		libxfs_fs_repair_cmn_err
-#define xfs_fs_cmn_err			libxfs_fs_cmn_err
-
 #define xfs_trans_alloc			libxfs_trans_alloc
 #define xfs_trans_alloc_empty		libxfs_trans_alloc_empty
 #define xfs_trans_add_item		libxfs_trans_add_item
@@ -61,7 +58,6 @@ 
 #define xfs_bmapi_write			libxfs_bmapi_write
 #define xfs_bmapi_read			libxfs_bmapi_read
 #define xfs_bunmapi			libxfs_bunmapi
-#define xfs_bmbt_get_all		libxfs_bmbt_get_all
 #define xfs_rtfree_extent		libxfs_rtfree_extent
 #define xfs_verify_rtbno		libxfs_verify_rtbno
 #define xfs_verify_ino			libxfs_verify_ino
@@ -70,7 +66,6 @@ 
 #define xfs_defer_finish		libxfs_defer_finish
 #define xfs_defer_cancel		libxfs_defer_cancel
 
-#define xfs_da_brelse			libxfs_da_brelse
 #define xfs_da_hashname			libxfs_da_hashname
 #define xfs_da_shrink_inode		libxfs_da_shrink_inode
 #define xfs_da_read_buf			libxfs_da_read_buf
diff --git a/libxfs/libxfs_priv.h b/libxfs/libxfs_priv.h
index a2a8388..d668a15 100644
--- a/libxfs/libxfs_priv.h
+++ b/libxfs/libxfs_priv.h
@@ -122,7 +122,6 @@  enum ce { CE_DEBUG, CE_CONT, CE_NOTE, CE_WARN, CE_ALERT, CE_PANIC };
 #define xfs_warn(mp,fmt,args...)		cmn_err(CE_WARN,fmt, ## args)
 #define xfs_err(mp,fmt,args...)			cmn_err(CE_ALERT,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_hex_dump(d,n)		((void) 0)
 #define xfs_stack_trace()		((void) 0)
@@ -195,8 +194,6 @@  enum ce { CE_DEBUG, CE_CONT, CE_NOTE, CE_WARN, CE_ALERT, CE_PANIC };
 #endif
 
 /* miscellaneous kernel routines not in user space */
-#define down_read(a)		((void) 0)
-#define up_read(a)		((void) 0)
 #define spin_lock_init(a)	((void) 0)
 #define spin_lock(a)		((void) 0)
 #define spin_unlock(a)		((void) 0)
@@ -400,7 +397,6 @@  roundup_64(uint64_t x, uint32_t y)
 
 #define XBRW_READ			LIBXFS_BREAD
 #define XBRW_WRITE			LIBXFS_BWRITE
-#define xfs_buf_iomove(bp,off,len,data,f)	libxfs_iomove(bp,off,len,data,f)
 #define xfs_buf_zero(bp,off,len)     libxfs_iomove(bp,off,len,NULL,LIBXFS_BZERO)
 
 /* mount stuff */
@@ -436,8 +432,6 @@  roundup_64(uint64_t x, uint32_t y)
 #define xfs_sort					qsort
 
 #define xfs_ilock(ip,mode)				((void) 0)
-#define xfs_ilock_nowait(ip,mode)			((void) 0)
-#define xfs_ilock_demote(ip,mode)			((void) 0)
 #define xfs_ilock_data_map_shared(ip)			(0)
 #define xfs_ilock_attr_map_shared(ip)			(0)
 #define xfs_iunlock(ip,mode)				({	\
@@ -470,9 +464,6 @@  roundup_64(uint64_t x, uint32_t y)
 #define xfs_filestream_lookup_ag(ip)		(0)
 #define xfs_filestream_new_ag(ip,ag)		(0)
 
-#define xfs_log_force(mp,flags)			((void) 0)
-#define XFS_LOG_SYNC				1
-
 /* quota bits */
 #define xfs_trans_mod_dquot_byino(t,i,f,d)		((void) 0)
 #define xfs_trans_reserve_quota_nblks(t,i,b,n,f)	(0)
diff --git a/libxfs/trans.c b/libxfs/trans.c
index 64131b2..ee79047 100644
--- a/libxfs/trans.c
+++ b/libxfs/trans.c
@@ -360,21 +360,6 @@  libxfs_trans_ijoin(
 }
 
 void
-libxfs_trans_ijoin_ref(
-	xfs_trans_t		*tp,
-	xfs_inode_t		*ip,
-	int			lock_flags)
-{
-	ASSERT(ip->i_itemp != NULL);
-
-	xfs_trans_ijoin(tp, ip, lock_flags);
-
-#ifdef XACT_DEBUG
-	fprintf(stderr, "ijoin_ref'd inode %llu, transaction %p\n", ip->i_ino, tp);
-#endif
-}
-
-void
 libxfs_trans_inode_alloc_buf(
 	xfs_trans_t		*tp,
 	xfs_buf_t		*bp)
diff --git a/libxfs/util.c b/libxfs/util.c
index 9fe9a36..8c9954f 100644
--- a/libxfs/util.c
+++ b/libxfs/util.c
@@ -603,35 +603,6 @@  libxfs_inode_alloc(
 	return error;
 }
 
-/*
- * Userspace versions of common diagnostic routines (varargs fun).
- */
-void
-libxfs_fs_repair_cmn_err(int level, xfs_mount_t *mp, char *fmt, ...)
-{
-	va_list	ap;
-
-	va_start(ap, fmt);
-	vfprintf(stderr, fmt, ap);
-	fprintf(stderr, "  This is a bug.\n");
-	fprintf(stderr, "%s version %s\n", progname, VERSION);
-	fprintf(stderr,
-		"Please capture the filesystem metadata with xfs_metadump and\n"
-		"report it to [e-mail]\n");
-	va_end(ap);
-}
-
-void
-libxfs_fs_cmn_err(int level, xfs_mount_t *mp, char *fmt, ...)
-{
-	va_list	ap;
-
-	va_start(ap, fmt);
-	vfprintf(stderr, fmt, ap);
-	fputs("\n", stderr);
-	va_end(ap);
-}
-
 void
 cmn_err(int level, char *fmt, ...)
 {