udf: move calculating of nr_groups into helper 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>

1 files changed, 1 insertions, 3 deletions

diff --git a/fs/udf/balloc.c b/fs/udf/balloc.c
index 8c0c27912278..3f67d9dc8631 100644
--- a/fs/udf/balloc.c
+++ b/fs/udf/balloc.c
@@ -231,9 +231,7 @@ static int udf_bitmap_prealloc_blocks(struct super_block *sb,
                 block_count = part_len - first_block;
 
 repeat:
-        nr_groups = (sbi->s_partmaps[partition].s_partition_len +
-                     (sizeof(struct spaceBitmapDesc) << 3) +
-                     (sb->s_blocksize * 8) - 1) / (sb->s_blocksize * 8);
+        nr_groups = udf_compute_nr_groups(sb, partition);
         block = first_block + (sizeof(struct spaceBitmapDesc) << 3);
         block_group = block >> (sb->s_blocksize_bits + 3);
         group_start = block_group ? 0 : sizeof(struct spaceBitmapDesc);