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UDF: introduce struct extent_position

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Introduce a structure extent_position to store a position of an extent and
the corresponding buffer_head in one place.

Signed-off-by: Jan Kara <jack@suse.cz>
Acked-by: Christoph Hellwig <hch@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Jan Kara
2007-05-08 00:35:14 -07:00
committed by Linus Torvalds
parent 60448b1d6d
commit ff116fc8d1
8 changed files with 434 additions and 445 deletions
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17
fs/udf/super.c
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@ -1883,21 +1883,20 @@ static unsigned int
udf_count_free_table(struct super_block *sb, struct inode * table)
{
unsigned int accum = 0;
uint32_t extoffset, elen;
kernel_lb_addr bloc, eloc;
uint32_t elen;
kernel_lb_addr eloc;
int8_t etype;
struct buffer_head *bh = NULL;
struct extent_position epos;
lock_kernel();
bloc = UDF_I_LOCATION(table);
extoffset = sizeof(struct unallocSpaceEntry);
epos.block = UDF_I_LOCATION(table);
epos.offset = sizeof(struct unallocSpaceEntry);
epos.bh = NULL;
while ((etype = udf_next_aext(table, &bloc, &extoffset, &eloc, &elen, &bh, 1)) != -1)
{
while ((etype = udf_next_aext(table, &epos, &eloc, &elen, 1)) != -1)
accum += (elen >> table->i_sb->s_blocksize_bits);
}
udf_release_data(bh);
udf_release_data(epos.bh);
unlock_kernel();