X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=fs%2Fblock_dev.c;h=1e86823a9cbda37f8451269d91a50f90d00c9566;hb=32665f2bbfed2e325d37236d9b0071a11a69124e;hp=1173a4ee0830a41fd39d1546921af239645d9507;hpb=1025c04cecd19882e28f16c4004034b475c372c5;p=firefly-linux-kernel-4.4.55.git

diff --git a/fs/block_dev.c b/fs/block_dev.c
index 1173a4ee0830..1e86823a9cbd 100644
--- a/fs/block_dev.c
+++ b/fs/block_dev.c
@@ -592,7 +592,7 @@ static struct block_device *bd_acquire(struct inode *inode)
 	return bdev;
 }
 
-static inline int sb_is_blkdev_sb(struct super_block *sb)
+int sb_is_blkdev_sb(struct super_block *sb)
 {
 	return sb == blockdev_superblock;
 }
@@ -1542,7 +1542,7 @@ static ssize_t blkdev_aio_read(struct kiocb *iocb, const struct iovec *iov,
 		return 0;
 
 	size -= pos;
-	if (size < iocb->ki_left)
+	if (size < iocb->ki_nbytes)
 		nr_segs = iov_shorten((struct iovec *)iov, nr_segs, size);
 	return generic_file_aio_read(iocb, iov, nr_segs, pos);
 }