diff options
| author | Dave Chinner <dchinner@redhat.com> | 2013-08-12 20:49:29 +1000 |
|---|---|---|
| committer | Ben Myers <bpm@sgi.com> | 2013-08-12 16:13:10 -0500 |
| commit | c7298202e5df6fad66c7c8146bf2ed55ba07aff0 (patch) | |
| tree | b2aa33f8869ac927af3aa4185cd4fee4f6ac788d /fs/xfs/xfs_rtalloc.h | |
| parent | 2a3c0acc351baf1e5e584d8d0692f41d5067582c (diff) | |
| download | linux-c7298202e5df6fad66c7c8146bf2ed55ba07aff0.tar.bz2 | |
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.h | 53 |
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__ */ |