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author | Dave Chinner <dchinner@redhat.com> | 2013-10-23 10:51:50 +1100 |
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committer | Ben Myers <bpm@sgi.com> | 2013-10-23 16:28:49 -0500 |
commit | a4fbe6ab1e7abecf42b75e9c73701ed33b4ab03b (patch) | |
tree | 24753fd80e3ee2e8038869858d108db4c078a4b0 /fs/xfs/xfs_ialloc_btree.h | |
parent | 239880ef6454ccff2ba8d762c3f86e8278f0ce1c (diff) | |
download | linux-a4fbe6ab1e7abecf42b75e9c73701ed33b4ab03b.tar.bz2 |
xfs: decouple inode and bmap btree header files
Currently the xfs_inode.h header has a dependency on the definition
of the BMAP btree records as the inode fork includes an array of
xfs_bmbt_rec_host_t objects in it's definition.
Move all the btree format definitions from xfs_btree.h,
xfs_bmap_btree.h, xfs_alloc_btree.h and xfs_ialloc_btree.h to
xfs_format.h to continue the process of centralising the on-disk
format definitions. With this done, the xfs inode definitions are no
longer dependent on btree header files.
The enables a massive culling of unnecessary includes, with close to
200 #include directives removed from the XFS kernel code base.
Signed-off-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Ben Myers <bpm@sgi.com>
Signed-off-by: Ben Myers <bpm@sgi.com>
Diffstat (limited to 'fs/xfs/xfs_ialloc_btree.h')
-rw-r--r-- | fs/xfs/xfs_ialloc_btree.h | 49 |
1 files changed, 0 insertions, 49 deletions
diff --git a/fs/xfs/xfs_ialloc_btree.h b/fs/xfs/xfs_ialloc_btree.h index cfbfe461abbc..f38b22011c4e 100644 --- a/fs/xfs/xfs_ialloc_btree.h +++ b/fs/xfs/xfs_ialloc_btree.h @@ -27,55 +27,6 @@ struct xfs_btree_cur; struct xfs_mount; /* - * There is a btree for the inode map per allocation group. - */ -#define XFS_IBT_MAGIC 0x49414254 /* 'IABT' */ -#define XFS_IBT_CRC_MAGIC 0x49414233 /* 'IAB3' */ - -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 ? 0 : XFS_INOBT_MASK(n)) - 1) << i; -} - -/* - * Data record structure - */ -typedef struct xfs_inobt_rec { - __be32 ir_startino; /* starting inode number */ - __be32 ir_freecount; /* count of free inodes (set bits) */ - __be64 ir_free; /* free inode mask */ -} xfs_inobt_rec_t; - -typedef struct xfs_inobt_rec_incore { - xfs_agino_t ir_startino; /* starting inode number */ - __int32_t ir_freecount; /* count of free inodes (set bits) */ - xfs_inofree_t ir_free; /* free inode mask */ -} xfs_inobt_rec_incore_t; - - -/* - * Key structure - */ -typedef struct xfs_inobt_key { - __be32 ir_startino; /* starting inode number */ -} xfs_inobt_key_t; - -/* btree pointer type */ -typedef __be32 xfs_inobt_ptr_t; - -/* - * block numbers in the AG. - */ -#define XFS_IBT_BLOCK(mp) ((xfs_agblock_t)(XFS_CNT_BLOCK(mp) + 1)) -#define XFS_PREALLOC_BLOCKS(mp) ((xfs_agblock_t)(XFS_IBT_BLOCK(mp) + 1)) - -/* * Btree block header size depends on a superblock flag. */ #define XFS_INOBT_BLOCK_LEN(mp) \ |