xfs_rtalloc.h File Reference

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Macros
#define	XFS_MAX_RTEXTSIZE   (1024 * 1024 * 1024) /* 1GB */
#define	XFS_DFL_RTEXTSIZE   (64 * 1024) /* 64kB */
#define	XFS_MIN_RTEXTSIZE   (4 * 1024) /* 4kB */
#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)
#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)
#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)
#define	XFS_RTBLOCKLOG(b)   xfs_highbit32(b)

Macro Definition Documentation

#define XFS_BITTOBLOCK	(		mp,
			bi
	)		((bi) >> (mp)->m_blkbit_log)

Definition at line 53 of file xfs_rtalloc.h.

#define XFS_BITTOWORD	(		mp,
			bi
	)		((int)(((bi) >> XFS_NBWORDLOG) & XFS_BLOCKWMASK(mp)))

Definition at line 55 of file xfs_rtalloc.h.

#define XFS_BLOCKMASK

(

mp

)

((mp)->m_blockmask)

Definition at line 39 of file xfs_rtalloc.h.

#define XFS_BLOCKSIZE

(

mp

)

((mp)->m_sb.sb_blocksize)

Definition at line 38 of file xfs_rtalloc.h.

#define XFS_BLOCKTOBIT	(		mp,
			bb
	)		((bb) << (mp)->m_blkbit_log)

Definition at line 54 of file xfs_rtalloc.h.

#define XFS_BLOCKWMASK

(

mp

)

((mp)->m_blockwmask)

Definition at line 41 of file xfs_rtalloc.h.

#define XFS_BLOCKWSIZE

(

mp

)

((mp)->m_blockwsize)

Definition at line 40 of file xfs_rtalloc.h.

#define XFS_DFL_RTEXTSIZE   (64 * 1024) /* 64kB */

Definition at line 26 of file xfs_rtalloc.h.

#define XFS_MAX_RTEXTSIZE   (1024 * 1024 * 1024) /* 1GB */

Definition at line 25 of file xfs_rtalloc.h.

#define XFS_MIN_RTEXTSIZE   (4 * 1024) /* 4kB */

Definition at line 27 of file xfs_rtalloc.h.

#define XFS_NBBYLOG   3 /* log2(NBBY) */

Definition at line 32 of file xfs_rtalloc.h.

#define XFS_NBWORD   (1 << XFS_NBWORDLOG)

Definition at line 35 of file xfs_rtalloc.h.

#define XFS_NBWORDLOG   (XFS_NBBYLOG + XFS_WORDLOG)

Definition at line 34 of file xfs_rtalloc.h.

#define XFS_RTBLOCKLOG

(

b

)

xfs_highbit32(b)

Definition at line 67 of file xfs_rtalloc.h.

#define XFS_RTHIBIT

(

w

)

xfs_highbit32(w)

Definition at line 62 of file xfs_rtalloc.h.

#define XFS_RTLOBIT

(

w

)

xfs_lowbit32(w)

Definition at line 61 of file xfs_rtalloc.h.

#define XFS_RTMAX	(		a,
			b
	)		((a) > (b) ? (a) : (b))

Definition at line 59 of file xfs_rtalloc.h.

#define XFS_RTMIN	(		a,
			b
	)		((a) < (b) ? (a) : (b))

Definition at line 58 of file xfs_rtalloc.h.

#define XFS_SUMOFFS	(		mp,
			ls,
			bb
	)		((int)((ls) * (mp)->m_sb.sb_rbmblocks + (bb)))

Definition at line 46 of file xfs_rtalloc.h.

#define XFS_SUMOFFSTOBLOCK	(		mp,
			s
	)		(((s) * (uint)sizeof(xfs_suminfo_t)) >> (mp)->m_sb.sb_blocklog)

Definition at line 47 of file xfs_rtalloc.h.

#define XFS_SUMPTR	(		mp,
			bp,
			so
	)

Value:

((xfs_suminfo_t *)((bp)->b_addr + \
        (((so) * (uint)sizeof(xfs_suminfo_t)) & XFS_BLOCKMASK(mp))))

Definition at line 49 of file xfs_rtalloc.h.

#define XFS_WORDLOG   2 /* log2(sizeof(xfs_rtword_t)) */

Definition at line 33 of file xfs_rtalloc.h.

#define XFS_WORDMASK   ((1 << XFS_WORDLOG) - 1)

Definition at line 36 of file xfs_rtalloc.h.