[PATCH] xfs: kill xfs_bmbt_rec_32/64 types

[Eric Sandeen]

Christoph Hellwig wrote:
> For a long time we've always stored bmap btree records in the 64bit format,
> so kill off the dead 32bit type, and make sure the 64bit type is named just
> xfs_bmbt_rec everywhere, without any size postfix.
> 
> Signed-off-by: Christoph Hellwig <hch at lst.de>

Yay for less confusion.

Reviewed-by: Eric Sandeen <sandeen at redhat.com>

> Index: xfs/fs/xfs/xfs_bmap_btree.h
> ===================================================================
> --- xfs.orig/fs/xfs/xfs_bmap_btree.h	2009-12-04 11:05:03.455004035 +0100
> +++ xfs/fs/xfs/xfs_bmap_btree.h	2009-12-04 11:06:51.674031547 +0100
> @@ -46,20 +46,12 @@ typedef struct xfs_bmdr_block {
>  #define BMBT_STARTBLOCK_BITLEN	52
>  #define BMBT_BLOCKCOUNT_BITLEN	21
>  
> -
> -#define BMBT_USE_64	1
> -
> -typedef struct xfs_bmbt_rec_32
> -{
> -	__uint32_t		l0, l1, l2, l3;
> -} xfs_bmbt_rec_32_t;
> -typedef struct xfs_bmbt_rec_64
> -{
> +typedef struct xfs_bmbt_rec {
>  	__be64			l0, l1;
> -} xfs_bmbt_rec_64_t;
> +} xfs_bmbt_rec_t;
>  
>  typedef __uint64_t	xfs_bmbt_rec_base_t;	/* use this for casts */
> -typedef xfs_bmbt_rec_64_t xfs_bmbt_rec_t, xfs_bmdr_rec_t;
> +typedef xfs_bmbt_rec_t xfs_bmdr_rec_t;
>  
>  typedef struct xfs_bmbt_rec_host {
>  	__uint64_t		l0, l1;
> Index: xfs/fs/xfs/xfs_inode_item.h
> ===================================================================
> --- xfs.orig/fs/xfs/xfs_inode_item.h	2009-12-04 11:05:21.624026561 +0100
> +++ xfs/fs/xfs/xfs_inode_item.h	2009-12-04 11:05:33.307318764 +0100
> @@ -127,7 +127,7 @@ static inline int xfs_ilog_fdata(int w)
>  #ifdef __KERNEL__
>  
>  struct xfs_buf;
> -struct xfs_bmbt_rec_64;
> +struct xfs_bmbt_rec;
>  struct xfs_inode;
>  struct xfs_mount;
>  
> @@ -140,9 +140,9 @@ typedef struct xfs_inode_log_item {
>  	unsigned short		ili_flags;	   /* misc flags */
>  	unsigned short		ili_logged;	   /* flushed logged data */
>  	unsigned int		ili_last_fields;   /* fields when flushed */
> -	struct xfs_bmbt_rec_64	*ili_extents_buf;  /* array of logged
> +	struct xfs_bmbt_rec	*ili_extents_buf;  /* array of logged
>  						      data exts */
> -	struct xfs_bmbt_rec_64	*ili_aextents_buf; /* array of logged
> +	struct xfs_bmbt_rec	*ili_aextents_buf; /* array of logged
>  						      attr exts */
>  	unsigned int            ili_pushbuf_flag;  /* one bit used in push_ail */
>  
> 
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