diff options
Diffstat (limited to 'fs/xfs/xfs_ialloc_btree.h')
| -rw-r--r-- | fs/xfs/xfs_ialloc_btree.h | 19 |
1 files changed, 10 insertions, 9 deletions
diff --git a/fs/xfs/xfs_ialloc_btree.h b/fs/xfs/xfs_ialloc_btree.h index fa12c85..37e5dd0 100644 --- a/fs/xfs/xfs_ialloc_btree.h +++ b/fs/xfs/xfs_ialloc_btree.h @@ -24,7 +24,6 @@ struct xfs_buf; struct xfs_btree_cur; -struct xfs_btree_sblock; struct xfs_mount; /* @@ -70,11 +69,6 @@ typedef struct xfs_inobt_key { /* btree pointer type */ typedef __be32 xfs_inobt_ptr_t; -/* btree block header type */ -typedef struct xfs_btree_sblock xfs_inobt_block_t; - -#define XFS_BUF_TO_INOBT_BLOCK(bp) ((xfs_inobt_block_t *)XFS_BUF_PTR(bp)) - /* * Bit manipulations for ir_free. */ @@ -96,6 +90,13 @@ typedef struct xfs_btree_sblock xfs_inobt_block_t; #define XFS_PREALLOC_BLOCKS(mp) ((xfs_agblock_t)(XFS_IBT_BLOCK(mp) + 1)) /* + * Btree block header size depends on a superblock flag. + * + * (not quite yet, but soon) + */ +#define XFS_INOBT_BLOCK_LEN(mp) XFS_BTREE_SBLOCK_LEN + +/* * Record, key, and pointer address macros for btree blocks. * * (note that some of these may appear unused, but they are used in userspace) @@ -103,19 +104,19 @@ typedef struct xfs_btree_sblock xfs_inobt_block_t; #define XFS_INOBT_REC_ADDR(mp, block, index) \ ((xfs_inobt_rec_t *) \ ((char *)(block) + \ - sizeof(struct xfs_btree_sblock) + \ + XFS_INOBT_BLOCK_LEN(mp) + \ (((index) - 1) * sizeof(xfs_inobt_rec_t)))) #define XFS_INOBT_KEY_ADDR(mp, block, index) \ ((xfs_inobt_key_t *) \ ((char *)(block) + \ - sizeof(struct xfs_btree_sblock) + \ + XFS_INOBT_BLOCK_LEN(mp) + \ ((index) - 1) * sizeof(xfs_inobt_key_t))) #define XFS_INOBT_PTR_ADDR(mp, block, index, maxrecs) \ ((xfs_inobt_ptr_t *) \ ((char *)(block) + \ - sizeof(struct xfs_btree_sblock) + \ + XFS_INOBT_BLOCK_LEN(mp) + \ (maxrecs) * sizeof(xfs_inobt_key_t) + \ ((index) - 1) * sizeof(xfs_inobt_ptr_t))) |
