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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: Christoph Hellwig <hch@lst.de>
Reviewed-by: Dave Chinner <david@fromorbit.com>
This commit is contained in:
Christoph Hellwig 2009-02-09 08:37:14 +01:00 committed by Christoph Hellwig
parent 7153f8ba2b
commit 0d87e656dd
5 changed files with 17 additions and 31 deletions
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10
fs/xfs/xfs_ialloc.c
View File

@ -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++;
/*

22
fs/xfs/xfs_ialloc_btree.h
View File

@ -32,14 +32,14 @@ struct xfs_mount;
#define XFS_IBT_MAGIC 0x49414254 /* 'IABT' */
typedef __uint64_t xfs_inofree_t;
#define XFS_INODES_PER_CHUNK (NBBY * sizeof(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_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.
*/

2
fs/xfs/xfs_mount.h
View File

@ -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 */

12
fs/xfs/xfs_trans.h
View File

@ -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))))

2
fs/xfs/xfs_trans_space.h
View File

@ -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.