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-rw-r--r--fs/udf/truncate.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/udf/truncate.c b/fs/udf/truncate.c
index f11ccf7af..676f8b3e6 100644
--- a/fs/udf/truncate.c
+++ b/fs/udf/truncate.c
@@ -64,7 +64,7 @@ static void trunc(struct inode * inode)
lb_addr bloc, eloc, neloc = { 0, 0 };
Uint32 extoffset, elen, offset, nelen = 0, lelen = 0, lenalloc;
int etype;
- int first_block = (inode->i_size + inode->i_sb->s_blocksize - 1) / inode->i_sb->s_blocksize;
+ int first_block = (inode->i_size + inode->i_sb->s_blocksize - 1) >> inode->i_sb->s_blocksize_bits;
struct buffer_head *bh = NULL;
int adsize;