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udf: Make s_block_bitmap standard array

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struct udf_bitmap has array of buffer pointers attached to it. The code
unnecessarily used s_block_bitmap as a pointer to the array instead of
the standard trick of using 0 length array in the declaration. Change
that to make code more readable and actually shrink the structure by one
pointer.

Signed-off-by: Jan Kara <jack@suse.cz>
This commit is contained in:
Jan Kara 2013-02-05 14:08:57 +01:00
parent 89b1f39eb4
commit c60305b578
2 changed files with 1 additions and 2 deletions
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1
fs/udf/super.c
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@ -1023,7 +1023,6 @@ static struct udf_bitmap *udf_sb_alloc_bitmap(struct super_block *sb, u32 index)
if (bitmap == NULL)
return NULL;
bitmap->s_block_bitmap = (struct buffer_head **)(bitmap + 1);
bitmap->s_nr_groups = nr_groups;
return bitmap;
}

2
fs/udf/udf_sb.h
View file

@ -83,7 +83,7 @@ struct udf_bitmap {
__u32 s_extLength;
__u32 s_extPosition;
int s_nr_groups;
struct buffer_head **s_block_bitmap;
struct buffer_head *s_block_bitmap[0];
};
struct udf_part_map {