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Diffstat (limited to 'fs/xfs/xfs_inum.h')
-rw-r--r--fs/xfs/xfs_inum.h104
1 files changed, 13 insertions, 91 deletions
diff --git a/fs/xfs/xfs_inum.h b/fs/xfs/xfs_inum.h
index a3af2d5a6eb7..8f70a12d56bc 100644
--- a/fs/xfs/xfs_inum.h
+++ b/fs/xfs/xfs_inum.h
@@ -58,109 +58,31 @@ typedef __uint32_t xfs_intino_t;
58 58
59struct xfs_mount; 59struct xfs_mount;
60 60
61#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_INO_MASK) 61#define XFS_INO_MASK(k) (__uint32_t)((1ULL << (k)) - 1)
62__uint32_t xfs_ino_mask(int k); 62#define XFS_INO_OFFSET_BITS(mp) (mp)->m_sb.sb_inopblog
63#define XFS_INO_MASK(k) xfs_ino_mask(k) 63#define XFS_INO_AGBNO_BITS(mp) (mp)->m_sb.sb_agblklog
64#else 64#define XFS_INO_AGINO_BITS(mp) (mp)->m_agino_log
65#define XFS_INO_MASK(k) ((__uint32_t)((1ULL << (k)) - 1)) 65#define XFS_INO_AGNO_BITS(mp) (mp)->m_agno_log
66#endif 66#define XFS_INO_BITS(mp) \
67#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_INO_OFFSET_BITS) 67 XFS_INO_AGNO_BITS(mp) + XFS_INO_AGINO_BITS(mp)
68int xfs_ino_offset_bits(struct xfs_mount *mp); 68#define XFS_INO_TO_AGNO(mp,i) \
69#define XFS_INO_OFFSET_BITS(mp) xfs_ino_offset_bits(mp)
70#else
71#define XFS_INO_OFFSET_BITS(mp) ((mp)->m_sb.sb_inopblog)
72#endif
73#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_INO_AGBNO_BITS)
74int xfs_ino_agbno_bits(struct xfs_mount *mp);
75#define XFS_INO_AGBNO_BITS(mp) xfs_ino_agbno_bits(mp)
76#else
77#define XFS_INO_AGBNO_BITS(mp) ((mp)->m_sb.sb_agblklog)
78#endif
79#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_INO_AGINO_BITS)
80int xfs_ino_agino_bits(struct xfs_mount *mp);
81#define XFS_INO_AGINO_BITS(mp) xfs_ino_agino_bits(mp)
82#else
83#define XFS_INO_AGINO_BITS(mp) ((mp)->m_agino_log)
84#endif
85#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_INO_AGNO_BITS)
86int xfs_ino_agno_bits(struct xfs_mount *mp);
87#define XFS_INO_AGNO_BITS(mp) xfs_ino_agno_bits(mp)
88#else
89#define XFS_INO_AGNO_BITS(mp) ((mp)->m_agno_log)
90#endif
91#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_INO_BITS)
92int xfs_ino_bits(struct xfs_mount *mp);
93#define XFS_INO_BITS(mp) xfs_ino_bits(mp)
94#else
95#define XFS_INO_BITS(mp) (XFS_INO_AGNO_BITS(mp) + XFS_INO_AGINO_BITS(mp))
96#endif
97
98#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_INO_TO_AGNO)
99xfs_agnumber_t xfs_ino_to_agno(struct xfs_mount *mp, xfs_ino_t i);
100#define XFS_INO_TO_AGNO(mp,i) xfs_ino_to_agno(mp,i)
101#else
102#define XFS_INO_TO_AGNO(mp,i) \
103 ((xfs_agnumber_t)((i) >> XFS_INO_AGINO_BITS(mp))) 69 ((xfs_agnumber_t)((i) >> XFS_INO_AGINO_BITS(mp)))
104#endif 70#define XFS_INO_TO_AGINO(mp,i) \
105#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_INO_TO_AGINO)
106xfs_agino_t xfs_ino_to_agino(struct xfs_mount *mp, xfs_ino_t i);
107#define XFS_INO_TO_AGINO(mp,i) xfs_ino_to_agino(mp,i)
108#else
109#define XFS_INO_TO_AGINO(mp,i) \
110 ((xfs_agino_t)(i) & XFS_INO_MASK(XFS_INO_AGINO_BITS(mp))) 71 ((xfs_agino_t)(i) & XFS_INO_MASK(XFS_INO_AGINO_BITS(mp)))
111#endif 72#define XFS_INO_TO_AGBNO(mp,i) \
112#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_INO_TO_AGBNO)
113xfs_agblock_t xfs_ino_to_agbno(struct xfs_mount *mp, xfs_ino_t i);
114#define XFS_INO_TO_AGBNO(mp,i) xfs_ino_to_agbno(mp,i)
115#else
116#define XFS_INO_TO_AGBNO(mp,i) \
117 (((xfs_agblock_t)(i) >> XFS_INO_OFFSET_BITS(mp)) & \ 73 (((xfs_agblock_t)(i) >> XFS_INO_OFFSET_BITS(mp)) & \
118 XFS_INO_MASK(XFS_INO_AGBNO_BITS(mp))) 74 XFS_INO_MASK(XFS_INO_AGBNO_BITS(mp)))
119#endif 75#define XFS_INO_TO_OFFSET(mp,i) \
120#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_INO_TO_OFFSET)
121int xfs_ino_to_offset(struct xfs_mount *mp, xfs_ino_t i);
122#define XFS_INO_TO_OFFSET(mp,i) xfs_ino_to_offset(mp,i)
123#else
124#define XFS_INO_TO_OFFSET(mp,i) \
125 ((int)(i) & XFS_INO_MASK(XFS_INO_OFFSET_BITS(mp))) 76 ((int)(i) & XFS_INO_MASK(XFS_INO_OFFSET_BITS(mp)))
126#endif 77#define XFS_INO_TO_FSB(mp,i) \
127#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_INO_TO_FSB)
128xfs_fsblock_t xfs_ino_to_fsb(struct xfs_mount *mp, xfs_ino_t i);
129#define XFS_INO_TO_FSB(mp,i) xfs_ino_to_fsb(mp,i)
130#else
131#define XFS_INO_TO_FSB(mp,i) \
132 XFS_AGB_TO_FSB(mp, XFS_INO_TO_AGNO(mp,i), XFS_INO_TO_AGBNO(mp,i)) 78 XFS_AGB_TO_FSB(mp, XFS_INO_TO_AGNO(mp,i), XFS_INO_TO_AGBNO(mp,i))
133#endif
134
135#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_AGINO_TO_INO)
136xfs_ino_t
137xfs_agino_to_ino(struct xfs_mount *mp, xfs_agnumber_t a, xfs_agino_t i);
138#define XFS_AGINO_TO_INO(mp,a,i) xfs_agino_to_ino(mp,a,i)
139#else
140#define XFS_AGINO_TO_INO(mp,a,i) \ 79#define XFS_AGINO_TO_INO(mp,a,i) \
141 (((xfs_ino_t)(a) << XFS_INO_AGINO_BITS(mp)) | (i)) 80 (((xfs_ino_t)(a) << XFS_INO_AGINO_BITS(mp)) | (i))
142#endif
143#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_AGINO_TO_AGBNO)
144xfs_agblock_t xfs_agino_to_agbno(struct xfs_mount *mp, xfs_agino_t i);
145#define XFS_AGINO_TO_AGBNO(mp,i) xfs_agino_to_agbno(mp,i)
146#else
147#define XFS_AGINO_TO_AGBNO(mp,i) ((i) >> XFS_INO_OFFSET_BITS(mp)) 81#define XFS_AGINO_TO_AGBNO(mp,i) ((i) >> XFS_INO_OFFSET_BITS(mp))
148#endif
149#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_AGINO_TO_OFFSET)
150int xfs_agino_to_offset(struct xfs_mount *mp, xfs_agino_t i);
151#define XFS_AGINO_TO_OFFSET(mp,i) xfs_agino_to_offset(mp,i)
152#else
153#define XFS_AGINO_TO_OFFSET(mp,i) \ 82#define XFS_AGINO_TO_OFFSET(mp,i) \
154 ((i) & XFS_INO_MASK(XFS_INO_OFFSET_BITS(mp))) 83 ((i) & XFS_INO_MASK(XFS_INO_OFFSET_BITS(mp)))
155#endif
156
157#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_OFFBNO_TO_AGINO)
158xfs_agino_t xfs_offbno_to_agino(struct xfs_mount *mp, xfs_agblock_t b, int o);
159#define XFS_OFFBNO_TO_AGINO(mp,b,o) xfs_offbno_to_agino(mp,b,o)
160#else
161#define XFS_OFFBNO_TO_AGINO(mp,b,o) \ 84#define XFS_OFFBNO_TO_AGINO(mp,b,o) \
162 ((xfs_agino_t)(((b) << XFS_INO_OFFSET_BITS(mp)) | (o))) 85 ((xfs_agino_t)(((b) << XFS_INO_OFFSET_BITS(mp)) | (o)))
163#endif
164 86
165#if XFS_BIG_INUMS 87#if XFS_BIG_INUMS
166#define XFS_MAXINUMBER ((xfs_ino_t)((1ULL << 56) - 1ULL)) 88#define XFS_MAXINUMBER ((xfs_ino_t)((1ULL << 56) - 1ULL))