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authorMarcin Slusarz <marcin.slusarz@gmail.com>2008-02-08 07:20:33 -0500
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2008-02-08 12:22:35 -0500
commit66e1da3f47d5aaa278d116e72d2f8e8f204cdca3 (patch)
treeaab724a6ccc5da3f6d64eb3cff3e9ac92b0b940b /fs/udf/udf_sb.h
parentdeae6cfcdc206f68e89346295909a2629f0e0606 (diff)
udf: convert macros related to bitmaps to functions
convert UDF_SB_ALLOC_BITMAP macro to udf_sb_alloc_bitmap function convert UDF_SB_FREE_BITMAP macro to udf_sb_free_bitmap function Signed-off-by: Marcin Slusarz <marcin.slusarz@gmail.com> Cc: Ben Fennema <bfennema@falcon.csc.calpoly.edu> Acked-by: Jan Kara <jack@suse.cz> Cc: Christoph Hellwig <hch@infradead.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'fs/udf/udf_sb.h')
-rw-r--r--fs/udf/udf_sb.h38
1 files changed, 0 insertions, 38 deletions
diff --git a/fs/udf/udf_sb.h b/fs/udf/udf_sb.h
index 4d3bd77ea94b..2c05f8277fd8 100644
--- a/fs/udf/udf_sb.h
+++ b/fs/udf/udf_sb.h
@@ -43,46 +43,8 @@ static inline struct udf_sb_info *UDF_SB(struct super_block *sb)
43 43
44struct logicalVolIntegrityDescImpUse *udf_sb_lvidiu(struct udf_sb_info *sbi); 44struct logicalVolIntegrityDescImpUse *udf_sb_lvidiu(struct udf_sb_info *sbi);
45 45
46#define UDF_SB_ALLOC_BITMAP(X,Y,Z)\
47{\
48 struct udf_sb_info *sbi = UDF_SB(X);\
49 int nr_groups = ((sbi->s_partmaps[(Y)].s_partition_len + (sizeof(struct spaceBitmapDesc) << 3) +\
50 ((X)->s_blocksize * 8) - 1) / ((X)->s_blocksize * 8));\
51 int size = sizeof(struct udf_bitmap) + (sizeof(struct buffer_head *) * nr_groups);\
52 if (size <= PAGE_SIZE)\
53 sbi->s_partmaps[(Y)].Z.s_bitmap = kmalloc(size, GFP_KERNEL);\
54 else\
55 sbi->s_partmaps[(Y)].Z.s_bitmap = vmalloc(size);\
56 if (sbi->s_partmaps[(Y)].Z.s_bitmap != NULL) {\
57 memset(sbi->s_partmaps[(Y)].Z.s_bitmap, 0x00, size);\
58 sbi->s_partmaps[(Y)].Z.s_bitmap->s_block_bitmap =\
59 (struct buffer_head **)(sbi->s_partmaps[(Y)].Z.s_bitmap + 1);\
60 sbi->s_partmaps[(Y)].Z.s_bitmap->s_nr_groups = nr_groups;\
61 } else {\
62 udf_error(X, __FUNCTION__, "Unable to allocate space for bitmap and %d buffer_head pointers", nr_groups);\
63 }\
64}
65
66#define UDF_SB_FREE_BITMAP(X,Y,Z)\
67{\
68 int i;\
69 int nr_groups = UDF_SB_BITMAP_NR_GROUPS(X,Y,Z);\
70 int size = sizeof(struct udf_bitmap) + (sizeof(struct buffer_head *) * nr_groups);\
71 for (i = 0; i < nr_groups; i++) {\
72 if (UDF_SB_BITMAP(X,Y,Z,i))\
73 brelse(UDF_SB_BITMAP(X,Y,Z,i));\
74 }\
75 if (size <= PAGE_SIZE)\
76 kfree(UDF_SB(X)->s_partmaps[Y].Z.s_bitmap);\
77 else\
78 vfree(UDF_SB(X)->s_partmaps[Y].Z.s_bitmap);\
79}
80
81#define UDF_QUERY_FLAG(X,Y) ( UDF_SB(X)->s_flags & ( 1 << (Y) ) ) 46#define UDF_QUERY_FLAG(X,Y) ( UDF_SB(X)->s_flags & ( 1 << (Y) ) )
82#define UDF_SET_FLAG(X,Y) ( UDF_SB(X)->s_flags |= ( 1 << (Y) ) ) 47#define UDF_SET_FLAG(X,Y) ( UDF_SB(X)->s_flags |= ( 1 << (Y) ) )
83#define UDF_CLEAR_FLAG(X,Y) ( UDF_SB(X)->s_flags &= ~( 1 << (Y) ) ) 48#define UDF_CLEAR_FLAG(X,Y) ( UDF_SB(X)->s_flags &= ~( 1 << (Y) ) )
84 49
85#define UDF_SB_BITMAP(X,Y,Z,I) ( UDF_SB(X)->s_partmaps[(Y)].Z.s_bitmap->s_block_bitmap[I] )
86#define UDF_SB_BITMAP_NR_GROUPS(X,Y,Z) ( UDF_SB(X)->s_partmaps[(Y)].Z.s_bitmap->s_nr_groups )
87
88#endif /* __LINUX_UDF_SB_H */ 50#endif /* __LINUX_UDF_SB_H */