Commit 0d87e656 authored by Christoph Hellwig's avatar Christoph Hellwig Committed by Christoph Hellwig
Browse files

xfs: remove superflous inobt macros 



xfs_ialloc_btree.h has a a cuple of macros that only obsfucate the code
but don't provide any abstraction benefits.  This patches removes those
and cleans up the reamaining defintions up a little.

Signed-off-by: default avatarChristoph Hellwig <hch@lst.de>
Reviewed-by: default avatarDave Chinner <david@fromorbit.com>
parent 7153f8ba

fs/xfs/xfs_ialloc.c

+5 −5
Original line number Diff line number Diff line
@@ -230,7 +230,7 @@ xfs_ialloc_ag_alloc( 
		args.minalignslop = xfs_ialloc_cluster_alignment(&args) - 1;



		/* Allow space for the inode btree to split. */

		args.minleft = XFS_IN_MAXLEVELS(args.mp) - 1;

		args.minleft = args.mp->m_in_maxlevels - 1;

		if ((error = xfs_alloc_vextent(&args)))

			return error;

	} else
@@ -270,7 +270,7 @@ xfs_ialloc_ag_alloc( 
		/*

		 * Allow space for the inode btree to split.

		 */

		args.minleft = XFS_IN_MAXLEVELS(args.mp) - 1;

		args.minleft = args.mp->m_in_maxlevels - 1;

		if ((error = xfs_alloc_vextent(&args)))

			return error;

	}
@@ -943,7 +943,7 @@ nextag: 
	ASSERT((XFS_AGINO_TO_OFFSET(mp, rec.ir_startino) %

				   XFS_INODES_PER_CHUNK) == 0);

	ino = XFS_AGINO_TO_INO(mp, agno, rec.ir_startino + offset);

	XFS_INOBT_CLR_FREE(&rec, offset);

	rec.ir_free &= ~XFS_INOBT_MASK(offset);

	rec.ir_freecount--;

	if ((error = xfs_inobt_update(cur, rec.ir_startino, rec.ir_freecount,

			rec.ir_free)))
@@ -1105,11 +1105,11 @@ xfs_difree( 
	 */

	off = agino - rec.ir_startino;

	ASSERT(off >= 0 && off < XFS_INODES_PER_CHUNK);

	ASSERT(!XFS_INOBT_IS_FREE(&rec, off));

	ASSERT(!(rec.ir_free & XFS_INOBT_MASK(off)));

	/*

	 * Mark the inode free & increment the count.

	 */

	XFS_INOBT_SET_FREE(&rec, off);

	rec.ir_free |= XFS_INOBT_MASK(off);

	rec.ir_freecount++;



	/*

fs/xfs/xfs_ialloc_btree.h

+4 −18
Original line number Diff line number Diff line
@@ -35,11 +35,11 @@ typedef __uint64_t xfs_inofree_t; 
#define	XFS_INODES_PER_CHUNK		(NBBY * sizeof(xfs_inofree_t))

#define	XFS_INODES_PER_CHUNK_LOG	(XFS_NBBYLOG + 3)

#define	XFS_INOBT_ALL_FREE		((xfs_inofree_t)-1)

#define	XFS_INOBT_MASK(i)		((xfs_inofree_t)1 << (i))



static inline xfs_inofree_t xfs_inobt_maskn(int i, int n)

{

	return (((n) >= XFS_INODES_PER_CHUNK ? \

		(xfs_inofree_t)0 : ((xfs_inofree_t)1 << (n))) - 1) << (i);

	return ((n >= XFS_INODES_PER_CHUNK ? 0 : XFS_INOBT_MASK(n)) - 1) << i;

}



/*
@@ -68,20 +68,6 @@ typedef struct xfs_inobt_key { 
/* btree pointer type */

typedef __be32 xfs_inobt_ptr_t;



/*

 * Bit manipulations for ir_free.

 */

#define	XFS_INOBT_MASK(i)		((xfs_inofree_t)1 << (i))

#define	XFS_INOBT_IS_FREE(rp,i)		\

		(((rp)->ir_free & XFS_INOBT_MASK(i)) != 0)

#define	XFS_INOBT_SET_FREE(rp,i)	((rp)->ir_free |= XFS_INOBT_MASK(i))

#define	XFS_INOBT_CLR_FREE(rp,i)	((rp)->ir_free &= ~XFS_INOBT_MASK(i))



/*

 * Maximum number of inode btree levels.

 */

#define	XFS_IN_MAXLEVELS(mp)		((mp)->m_in_maxlevels)



/*

 * block numbers in the AG.

 */

fs/xfs/xfs_mount.h

+1 −1
Original line number Diff line number Diff line
@@ -273,7 +273,7 @@ typedef struct xfs_mount { 
	uint			m_inobt_mnr[2];	/* min inobt btree records */

	uint			m_ag_maxlevels;	/* XFS_AG_MAXLEVELS */

	uint			m_bm_maxlevels[2]; /* XFS_BM_MAXLEVELS */

	uint			m_in_maxlevels;	/* XFS_IN_MAXLEVELS */

	uint			m_in_maxlevels;	/* max inobt btree levels. */

	struct xfs_perag	*m_perag;	/* per-ag accounting info */

	struct rw_semaphore	m_peraglock;	/* lock for m_perag (pointer) */

	struct mutex		m_growlock;	/* growfs mutex */

fs/xfs/xfs_trans.h

+6 −6
Original line number Diff line number Diff line
@@ -343,7 +343,7 @@ xfs_lic_desc_to_chunk(xfs_log_item_desc_t *dp) 
	  (128 * (9 + XFS_ALLOCFREE_LOG_COUNT(mp, 4))) + \

	  (128 * 5) + \

	  XFS_ALLOCFREE_LOG_RES(mp, 1) + \

	   (128 * (2 + XFS_IALLOC_BLOCKS(mp) + XFS_IN_MAXLEVELS(mp) + \

	   (128 * (2 + XFS_IALLOC_BLOCKS(mp) + (mp)->m_in_maxlevels + \

	    XFS_ALLOCFREE_LOG_COUNT(mp, 1))))))



#define	XFS_ITRUNCATE_LOG_RES(mp)   ((mp)->m_reservations.tr_itruncate)
@@ -449,9 +449,9 @@ xfs_lic_desc_to_chunk(xfs_log_item_desc_t *dp) 
	  (128 * (4 + XFS_DIROP_LOG_COUNT(mp)))), \

	 (2 * (mp)->m_sb.sb_sectsize + \

	  XFS_FSB_TO_B((mp), XFS_IALLOC_BLOCKS((mp))) + \

	  XFS_FSB_TO_B((mp), XFS_IN_MAXLEVELS(mp)) + \

	  XFS_FSB_TO_B((mp), (mp)->m_in_maxlevels) + \

	  XFS_ALLOCFREE_LOG_RES(mp, 1) + \

	  (128 * (2 + XFS_IALLOC_BLOCKS(mp) + XFS_IN_MAXLEVELS(mp) + \

	  (128 * (2 + XFS_IALLOC_BLOCKS(mp) + (mp)->m_in_maxlevels + \

	   XFS_ALLOCFREE_LOG_COUNT(mp, 1))))))



#define	XFS_SYMLINK_LOG_RES(mp)	((mp)->m_reservations.tr_symlink)
@@ -481,9 +481,9 @@ xfs_lic_desc_to_chunk(xfs_log_item_desc_t *dp) 
	  (128 * (3 + XFS_DIROP_LOG_COUNT(mp)))), \

	 (3 * (mp)->m_sb.sb_sectsize + \

	  XFS_FSB_TO_B((mp), XFS_IALLOC_BLOCKS((mp))) + \

	  XFS_FSB_TO_B((mp), XFS_IN_MAXLEVELS(mp)) + \

	  XFS_FSB_TO_B((mp), (mp)->m_in_maxlevels) + \

	  XFS_ALLOCFREE_LOG_RES(mp, 1) + \

	  (128 * (2 + XFS_IALLOC_BLOCKS(mp) + XFS_IN_MAXLEVELS(mp) + \

	  (128 * (2 + XFS_IALLOC_BLOCKS(mp) + (mp)->m_in_maxlevels + \

	   XFS_ALLOCFREE_LOG_COUNT(mp, 1))))))



#define	XFS_CREATE_LOG_RES(mp)	((mp)->m_reservations.tr_create)
@@ -513,7 +513,7 @@ xfs_lic_desc_to_chunk(xfs_log_item_desc_t *dp) 
	 MAX((__uint16_t)XFS_FSB_TO_B((mp), 1), XFS_INODE_CLUSTER_SIZE(mp)) + \

	 (128 * 5) + \

	  XFS_ALLOCFREE_LOG_RES(mp, 1) + \

	  (128 * (2 + XFS_IALLOC_BLOCKS(mp) + XFS_IN_MAXLEVELS(mp) + \

	  (128 * (2 + XFS_IALLOC_BLOCKS(mp) + (mp)->m_in_maxlevels + \

	   XFS_ALLOCFREE_LOG_COUNT(mp, 1))))

fs/xfs/xfs_trans_space.h

+1 −1
Original line number Diff line number Diff line
@@ -47,7 +47,7 @@ 
#define	XFS_DIRREMOVE_SPACE_RES(mp)	\

	XFS_DAREMOVE_SPACE_RES(mp, XFS_DATA_FORK)

#define	XFS_IALLOC_SPACE_RES(mp)	\

	(XFS_IALLOC_BLOCKS(mp) + XFS_IN_MAXLEVELS(mp)-1)

	(XFS_IALLOC_BLOCKS(mp) + (mp)->m_in_maxlevels - 1)



/*

 * Space reservation values for various transactions.

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