[PATCH 22/30] reiserfs: use bdev_nr_bytes instead of open coding it

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Use the proper helper to read the block device size and remove two
cargo culted checks that can't be false.

Signed-off-by: Christoph Hellwig <hch@xxxxxx>
Reviewed-by: Kees Cook <keescook@xxxxxxxxxxxx>
Reviewed-by: Jan Kara <jack@xxxxxxx>
Reviewed-by: Chaitanya Kulkarni <kch@xxxxxxxxxx>
 fs/reiserfs/super.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/fs/reiserfs/super.c b/fs/reiserfs/super.c
index 58481f8d63d5b..8647a00434ea4 100644
--- a/fs/reiserfs/super.c
+++ b/fs/reiserfs/super.c
@@ -1986,9 +1986,7 @@ static int reiserfs_fill_super(struct super_block *s, void *data, int silent)
 	 * smaller than the filesystem. If the check fails then abort and
 	 * scream, because bad stuff will happen otherwise.
-	if (s->s_bdev && s->s_bdev->bd_inode
-	    && i_size_read(s->s_bdev->bd_inode) <
-	    sb_block_count(rs) * sb_blocksize(rs)) {
+	if (bdev_nr_bytes(s->s_bdev) < sb_block_count(rs) * sb_blocksize(rs)) {
 		SWARN(silent, s, "", "Filesystem cannot be "
 		      "mounted because it is bigger than the device");
 		SWARN(silent, s, "", "You may need to run fsck "

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