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authorDave Chinner <dchinner@redhat.com>2013-08-12 20:49:29 +1000
committerBen Myers <bpm@sgi.com>2013-08-12 16:13:10 -0500
commitc7298202e5df6fad66c7c8146bf2ed55ba07aff0 (patch)
treeb2aa33f8869ac927af3aa4185cd4fee4f6ac788d /fs/xfs/xfs_rtalloc.h
parent2a3c0acc351baf1e5e584d8d0692f41d5067582c (diff)
downloadlinux-c7298202e5df6fad66c7c8146bf2ed55ba07aff0.tar.gz
xfs: introduce xfs_rtalloc_defs.h
There are quite a few realtime device definitions shared with
userspace. Move them from xfs_rtalloc.h to xfs_rt_alloc_defs.h
so we don't need to share xfs_rtalloc.h with userspace anymore.

Signed-off-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Brian Foster <bfoster@redhat.com>
Reviewed-by: Mark Tinguely <tinguely@sgi.com>
Signed-off-by: Ben Myers <bpm@sgi.com>

Diffstat (limited to 'fs/xfs/xfs_rtalloc.h')
-rw-r--r--fs/xfs/xfs_rtalloc.h53
1 files changed, 2 insertions, 51 deletions
diff --git a/fs/xfs/xfs_rtalloc.h b/fs/xfs/xfs_rtalloc.h
index f7f3a359c1c5..b2a1a24c0e2f 100644
--- a/fs/xfs/xfs_rtalloc.h
+++ b/fs/xfs/xfs_rtalloc.h
@@ -18,58 +18,11 @@
 #ifndef __XFS_RTALLOC_H__
 #define	__XFS_RTALLOC_H__
 
+/* kernel only definitions and functions */
+
 struct xfs_mount;
 struct xfs_trans;
 
-/* Min and max rt extent sizes, specified in bytes */
-#define	XFS_MAX_RTEXTSIZE	(1024 * 1024 * 1024)	/* 1GB */
-#define	XFS_DFL_RTEXTSIZE	(64 * 1024)	        /* 64kB */
-#define	XFS_MIN_RTEXTSIZE	(4 * 1024)		/* 4kB */
-
-/*
- * Constants for bit manipulations.
- */
-#define	XFS_NBBYLOG	3		/* log2(NBBY) */
-#define	XFS_WORDLOG	2		/* log2(sizeof(xfs_rtword_t)) */
-#define	XFS_NBWORDLOG	(XFS_NBBYLOG + XFS_WORDLOG)
-#define	XFS_NBWORD	(1 << XFS_NBWORDLOG)
-#define	XFS_WORDMASK	((1 << XFS_WORDLOG) - 1)
-
-#define	XFS_BLOCKSIZE(mp)	((mp)->m_sb.sb_blocksize)
-#define	XFS_BLOCKMASK(mp)	((mp)->m_blockmask)
-#define	XFS_BLOCKWSIZE(mp)	((mp)->m_blockwsize)
-#define	XFS_BLOCKWMASK(mp)	((mp)->m_blockwmask)
-
-/*
- * Summary and bit manipulation macros.
- */
-#define	XFS_SUMOFFS(mp,ls,bb)	((int)((ls) * (mp)->m_sb.sb_rbmblocks + (bb)))
-#define	XFS_SUMOFFSTOBLOCK(mp,s)	\
-	(((s) * (uint)sizeof(xfs_suminfo_t)) >> (mp)->m_sb.sb_blocklog)
-#define	XFS_SUMPTR(mp,bp,so)	\
-	((xfs_suminfo_t *)((bp)->b_addr + \
-		(((so) * (uint)sizeof(xfs_suminfo_t)) & XFS_BLOCKMASK(mp))))
-
-#define	XFS_BITTOBLOCK(mp,bi)	((bi) >> (mp)->m_blkbit_log)
-#define	XFS_BLOCKTOBIT(mp,bb)	((bb) << (mp)->m_blkbit_log)
-#define	XFS_BITTOWORD(mp,bi)	\
-	((int)(((bi) >> XFS_NBWORDLOG) & XFS_BLOCKWMASK(mp)))
-
-#define	XFS_RTMIN(a,b)	((a) < (b) ? (a) : (b))
-#define	XFS_RTMAX(a,b)	((a) > (b) ? (a) : (b))
-
-#define	XFS_RTLOBIT(w)	xfs_lowbit32(w)
-#define	XFS_RTHIBIT(w)	xfs_highbit32(w)
-
-#if XFS_BIG_BLKNOS
-#define	XFS_RTBLOCKLOG(b)	xfs_highbit64(b)
-#else
-#define	XFS_RTBLOCKLOG(b)	xfs_highbit32(b)
-#endif
-
-
-#ifdef __KERNEL__
-
 #ifdef CONFIG_XFS_RT
 /*
  * Function prototypes for exported functions.
@@ -161,6 +114,4 @@ xfs_rtmount_init(
 # define xfs_rtunmount_inodes(m)
 #endif	/* CONFIG_XFS_RT */
 
-#endif	/* __KERNEL__ */
-
 #endif	/* __XFS_RTALLOC_H__ */