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| author | Christoph Hellwig <hch@lst.de> | 2009-02-09 08:37:14 +0100 |
|---|---|---|
| committer | Christoph Hellwig <hch@brick.lst.de> | 2009-02-09 08:37:14 +0100 |
| commit | 0d87e656dd961145f47ede5e37eceecfdc7d8197 (patch) | |
| tree | 6d0ebdfb55ce69cc5a2a6d50df5b94026ce9848c /fs/xfs/xfs_ialloc_btree.h | |
| parent | xfs: remove iclog calculation special cases (diff) | |
| download | linux-0d87e656dd961145f47ede5e37eceecfdc7d8197.tar.xz linux-0d87e656dd961145f47ede5e37eceecfdc7d8197.zip | |
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>
Diffstat (limited to 'fs/xfs/xfs_ialloc_btree.h')
| -rw-r--r-- | fs/xfs/xfs_ialloc_btree.h | 22 |
1 files changed, 4 insertions, 18 deletions
diff --git a/fs/xfs/xfs_ialloc_btree.h b/fs/xfs/xfs_ialloc_btree.h index 5580e255ff06..f782ad0c4769 100644 --- a/fs/xfs/xfs_ialloc_btree.h +++ b/fs/xfs/xfs_ialloc_btree.h @@ -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; } /* @@ -69,20 +69,6 @@ typedef struct xfs_inobt_key { 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. */ #define XFS_IBT_BLOCK(mp) ((xfs_agblock_t)(XFS_CNT_BLOCK(mp) + 1)) |