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Diffstat (limited to 'fs/udf/udf_sb.h')
-rw-r--r--fs/udf/udf_sb.h90
1 files changed, 4 insertions, 86 deletions
diff --git a/fs/udf/udf_sb.h b/fs/udf/udf_sb.h
index 3c2982017c6d..737d1c604eea 100644
--- a/fs/udf/udf_sb.h
+++ b/fs/udf/udf_sb.h
@@ -26,6 +26,8 @@
26#define UDF_FLAG_GID_IGNORE 14 26#define UDF_FLAG_GID_IGNORE 14
27#define UDF_FLAG_UID_SET 15 27#define UDF_FLAG_UID_SET 15
28#define UDF_FLAG_GID_SET 16 28#define UDF_FLAG_GID_SET 16
29#define UDF_FLAG_SESSION_SET 17
30#define UDF_FLAG_LASTBLOCK_SET 18
29 31
30#define UDF_PART_FLAG_UNALLOC_BITMAP 0x0001 32#define UDF_PART_FLAG_UNALLOC_BITMAP 0x0001
31#define UDF_PART_FLAG_UNALLOC_TABLE 0x0002 33#define UDF_PART_FLAG_UNALLOC_TABLE 0x0002
@@ -41,96 +43,12 @@ static inline struct udf_sb_info *UDF_SB(struct super_block *sb)
41 return sb->s_fs_info; 43 return sb->s_fs_info;
42} 44}
43 45
44#define UDF_SB_FREE(X)\ 46struct logicalVolIntegrityDescImpUse *udf_sb_lvidiu(struct udf_sb_info *sbi);
45{\
46 if (UDF_SB(X)) {\
47 kfree(UDF_SB_PARTMAPS(X));\
48 UDF_SB_PARTMAPS(X) = NULL;\
49 }\
50}
51
52#define UDF_SB_ALLOC_PARTMAPS(X,Y)\
53{\
54 UDF_SB_PARTMAPS(X) = kmalloc(sizeof(struct udf_part_map) * Y, GFP_KERNEL);\
55 if (UDF_SB_PARTMAPS(X) != NULL) {\
56 UDF_SB_NUMPARTS(X) = Y;\
57 memset(UDF_SB_PARTMAPS(X), 0x00, sizeof(struct udf_part_map) * Y);\
58 } else {\
59 UDF_SB_NUMPARTS(X) = 0;\
60 udf_error(X, __FUNCTION__, "Unable to allocate space for %d partition maps", Y);\
61 }\
62}
63
64#define UDF_SB_ALLOC_BITMAP(X,Y,Z)\
65{\
66 int nr_groups = ((UDF_SB_PARTLEN((X),(Y)) + (sizeof(struct spaceBitmapDesc) << 3) +\
67 ((X)->s_blocksize * 8) - 1) / ((X)->s_blocksize * 8));\
68 int size = sizeof(struct udf_bitmap) + (sizeof(struct buffer_head *) * nr_groups);\
69 if (size <= PAGE_SIZE)\
70 UDF_SB_PARTMAPS(X)[(Y)].Z.s_bitmap = kmalloc(size, GFP_KERNEL);\
71 else\
72 UDF_SB_PARTMAPS(X)[(Y)].Z.s_bitmap = vmalloc(size);\
73 if (UDF_SB_PARTMAPS(X)[(Y)].Z.s_bitmap != NULL) {\
74 memset(UDF_SB_PARTMAPS(X)[(Y)].Z.s_bitmap, 0x00, size);\
75 UDF_SB_PARTMAPS(X)[(Y)].Z.s_bitmap->s_block_bitmap =\
76 (struct buffer_head **)(UDF_SB_PARTMAPS(X)[(Y)].Z.s_bitmap + 1);\
77 UDF_SB_PARTMAPS(X)[(Y)].Z.s_bitmap->s_nr_groups = nr_groups;\
78 } else {\
79 udf_error(X, __FUNCTION__, "Unable to allocate space for bitmap and %d buffer_head pointers", nr_groups);\
80 }\
81}
82 47
83#define UDF_SB_FREE_BITMAP(X,Y,Z)\ 48int udf_compute_nr_groups(struct super_block *sb, u32 partition);
84{\
85 int i;\
86 int nr_groups = UDF_SB_BITMAP_NR_GROUPS(X,Y,Z);\
87 int size = sizeof(struct udf_bitmap) + (sizeof(struct buffer_head *) * nr_groups);\
88 for (i = 0; i < nr_groups; i++) {\
89 if (UDF_SB_BITMAP(X,Y,Z,i))\
90 brelse(UDF_SB_BITMAP(X,Y,Z,i));\
91 }\
92 if (size <= PAGE_SIZE)\
93 kfree(UDF_SB_PARTMAPS(X)[Y].Z.s_bitmap);\
94 else\
95 vfree(UDF_SB_PARTMAPS(X)[Y].Z.s_bitmap);\
96}
97 49
98#define UDF_QUERY_FLAG(X,Y) ( UDF_SB(X)->s_flags & ( 1 << (Y) ) ) 50#define UDF_QUERY_FLAG(X,Y) ( UDF_SB(X)->s_flags & ( 1 << (Y) ) )
99#define UDF_SET_FLAG(X,Y) ( UDF_SB(X)->s_flags |= ( 1 << (Y) ) ) 51#define UDF_SET_FLAG(X,Y) ( UDF_SB(X)->s_flags |= ( 1 << (Y) ) )
100#define UDF_CLEAR_FLAG(X,Y) ( UDF_SB(X)->s_flags &= ~( 1 << (Y) ) ) 52#define UDF_CLEAR_FLAG(X,Y) ( UDF_SB(X)->s_flags &= ~( 1 << (Y) ) )
101 53
102#define UDF_UPDATE_UDFREV(X,Y) ( ((Y) > UDF_SB_UDFREV(X)) ? UDF_SB_UDFREV(X) = (Y) : UDF_SB_UDFREV(X) )
103
104#define UDF_SB_PARTMAPS(X) ( UDF_SB(X)->s_partmaps )
105#define UDF_SB_PARTTYPE(X,Y) ( UDF_SB_PARTMAPS(X)[(Y)].s_partition_type )
106#define UDF_SB_PARTROOT(X,Y) ( UDF_SB_PARTMAPS(X)[(Y)].s_partition_root )
107#define UDF_SB_PARTLEN(X,Y) ( UDF_SB_PARTMAPS(X)[(Y)].s_partition_len )
108#define UDF_SB_PARTVSN(X,Y) ( UDF_SB_PARTMAPS(X)[(Y)].s_volumeseqnum )
109#define UDF_SB_PARTNUM(X,Y) ( UDF_SB_PARTMAPS(X)[(Y)].s_partition_num )
110#define UDF_SB_TYPESPAR(X,Y) ( UDF_SB_PARTMAPS(X)[(Y)].s_type_specific.s_sparing )
111#define UDF_SB_TYPEVIRT(X,Y) ( UDF_SB_PARTMAPS(X)[(Y)].s_type_specific.s_virtual )
112#define UDF_SB_PARTFUNC(X,Y) ( UDF_SB_PARTMAPS(X)[(Y)].s_partition_func )
113#define UDF_SB_PARTFLAGS(X,Y) ( UDF_SB_PARTMAPS(X)[(Y)].s_partition_flags )
114#define UDF_SB_BITMAP(X,Y,Z,I) ( UDF_SB_PARTMAPS(X)[(Y)].Z.s_bitmap->s_block_bitmap[I] )
115#define UDF_SB_BITMAP_NR_GROUPS(X,Y,Z) ( UDF_SB_PARTMAPS(X)[(Y)].Z.s_bitmap->s_nr_groups )
116
117#define UDF_SB_VOLIDENT(X) ( UDF_SB(X)->s_volident )
118#define UDF_SB_NUMPARTS(X) ( UDF_SB(X)->s_partitions )
119#define UDF_SB_PARTITION(X) ( UDF_SB(X)->s_partition )
120#define UDF_SB_SESSION(X) ( UDF_SB(X)->s_session )
121#define UDF_SB_ANCHOR(X) ( UDF_SB(X)->s_anchor )
122#define UDF_SB_LASTBLOCK(X) ( UDF_SB(X)->s_lastblock )
123#define UDF_SB_LVIDBH(X) ( UDF_SB(X)->s_lvidbh )
124#define UDF_SB_LVID(X) ( (struct logicalVolIntegrityDesc *)UDF_SB_LVIDBH(X)->b_data )
125#define UDF_SB_LVIDIU(X) ( (struct logicalVolIntegrityDescImpUse *)&(UDF_SB_LVID(X)->impUse[le32_to_cpu(UDF_SB_LVID(X)->numOfPartitions) * 2 * sizeof(uint32_t)/sizeof(uint8_t)]) )
126
127#define UDF_SB_UMASK(X) ( UDF_SB(X)->s_umask )
128#define UDF_SB_GID(X) ( UDF_SB(X)->s_gid )
129#define UDF_SB_UID(X) ( UDF_SB(X)->s_uid )
130#define UDF_SB_RECORDTIME(X) ( UDF_SB(X)->s_recordtime )
131#define UDF_SB_SERIALNUM(X) ( UDF_SB(X)->s_serialnum )
132#define UDF_SB_UDFREV(X) ( UDF_SB(X)->s_udfrev )
133#define UDF_SB_FLAGS(X) ( UDF_SB(X)->s_flags )
134#define UDF_SB_VAT(X) ( UDF_SB(X)->s_vat )
135
136#endif /* __LINUX_UDF_SB_H */ 54#endif /* __LINUX_UDF_SB_H */