aboutsummaryrefslogtreecommitdiffstats
path: root/fs/xfs/xfs_btree.h
diff options
context:
space:
mode:
authorChristoph Hellwig <hch@sgi.com>2005-11-01 23:11:25 -0500
committerNathan Scott <nathans@sgi.com>2005-11-01 23:11:25 -0500
commit16259e7d952e26e949cc2c8c68b74f34b293935d (patch)
treea016791ecb67761236d32b9915efa9a92f6f3767 /fs/xfs/xfs_btree.h
parente2ed81fbbb7c76e0a1b3e2f1b5a7414f4d66a559 (diff)
[XFS] Endianess annotations for various allocator data structures
SGI-PV: 943272 SGI-Modid: xfs-linux:xfs-kern:201006a Signed-off-by: Christoph Hellwig <hch@sgi.com> Signed-off-by: Nathan Scott <nathans@sgi.com>
Diffstat (limited to 'fs/xfs/xfs_btree.h')
-rw-r--r--fs/xfs/xfs_btree.h55
1 files changed, 26 insertions, 29 deletions
diff --git a/fs/xfs/xfs_btree.h b/fs/xfs/xfs_btree.h
index e6b2a09401c6..44f1bd98064a 100644
--- a/fs/xfs/xfs_btree.h
+++ b/fs/xfs/xfs_btree.h
@@ -39,25 +39,23 @@ struct xfs_trans;
39/* 39/*
40 * Short form header: space allocation btrees. 40 * Short form header: space allocation btrees.
41 */ 41 */
42typedef struct xfs_btree_sblock 42typedef struct xfs_btree_sblock {
43{ 43 __be32 bb_magic; /* magic number for block type */
44 __uint32_t bb_magic; /* magic number for block type */ 44 __be16 bb_level; /* 0 is a leaf */
45 __uint16_t bb_level; /* 0 is a leaf */ 45 __be16 bb_numrecs; /* current # of data records */
46 __uint16_t bb_numrecs; /* current # of data records */ 46 __be32 bb_leftsib; /* left sibling block or NULLAGBLOCK */
47 xfs_agblock_t bb_leftsib; /* left sibling block or NULLAGBLOCK */ 47 __be32 bb_rightsib; /* right sibling block or NULLAGBLOCK */
48 xfs_agblock_t bb_rightsib; /* right sibling block or NULLAGBLOCK */
49} xfs_btree_sblock_t; 48} xfs_btree_sblock_t;
50 49
51/* 50/*
52 * Long form header: bmap btrees. 51 * Long form header: bmap btrees.
53 */ 52 */
54typedef struct xfs_btree_lblock 53typedef struct xfs_btree_lblock {
55{ 54 __be32 bb_magic; /* magic number for block type */
56 __uint32_t bb_magic; /* magic number for block type */ 55 __be16 bb_level; /* 0 is a leaf */
57 __uint16_t bb_level; /* 0 is a leaf */ 56 __be16 bb_numrecs; /* current # of data records */
58 __uint16_t bb_numrecs; /* current # of data records */ 57 __be64 bb_leftsib; /* left sibling block or NULLDFSBNO */
59 xfs_dfsbno_t bb_leftsib; /* left sibling block or NULLDFSBNO */ 58 __be64 bb_rightsib; /* right sibling block or NULLDFSBNO */
60 xfs_dfsbno_t bb_rightsib; /* right sibling block or NULLDFSBNO */
61} xfs_btree_lblock_t; 59} xfs_btree_lblock_t;
62 60
63/* 61/*
@@ -65,24 +63,23 @@ typedef struct xfs_btree_lblock
65 */ 63 */
66typedef struct xfs_btree_hdr 64typedef struct xfs_btree_hdr
67{ 65{
68 __uint32_t bb_magic; /* magic number for block type */ 66 __be32 bb_magic; /* magic number for block type */
69 __uint16_t bb_level; /* 0 is a leaf */ 67 __be16 bb_level; /* 0 is a leaf */
70 __uint16_t bb_numrecs; /* current # of data records */ 68 __be16 bb_numrecs; /* current # of data records */
71} xfs_btree_hdr_t; 69} xfs_btree_hdr_t;
72 70
73typedef struct xfs_btree_block 71typedef struct xfs_btree_block {
74{
75 xfs_btree_hdr_t bb_h; /* header */ 72 xfs_btree_hdr_t bb_h; /* header */
76 union { 73 union {
77 struct { 74 struct {
78 xfs_agblock_t bb_leftsib; 75 __be32 bb_leftsib;
79 xfs_agblock_t bb_rightsib; 76 __be32 bb_rightsib;
80 } s; /* short form pointers */ 77 } s; /* short form pointers */
81 struct { 78 struct {
82 xfs_dfsbno_t bb_leftsib; 79 __be64 bb_leftsib;
83 xfs_dfsbno_t bb_rightsib; 80 __be64 bb_rightsib;
84 } l; /* long form pointers */ 81 } l; /* long form pointers */
85 } bb_u; /* rest */ 82 } bb_u; /* rest */
86} xfs_btree_block_t; 83} xfs_btree_block_t;
87 84
88/* 85/*
@@ -146,7 +143,7 @@ typedef struct xfs_btree_cur
146 struct xfs_trans *bc_tp; /* transaction we're in, if any */ 143 struct xfs_trans *bc_tp; /* transaction we're in, if any */
147 struct xfs_mount *bc_mp; /* file system mount struct */ 144 struct xfs_mount *bc_mp; /* file system mount struct */
148 union { 145 union {
149 xfs_alloc_rec_t a; 146 xfs_alloc_rec_incore_t a;
150 xfs_bmbt_irec_t b; 147 xfs_bmbt_irec_t b;
151 xfs_inobt_rec_t i; 148 xfs_inobt_rec_t i;
152 } bc_rec; /* current insert/search record value */ 149 } bc_rec; /* current insert/search record value */