Merge remote-tracking branches 'regulator/fix/anatop', 'regulator/fix/gpio', 'regulat...

[firefly-linux-kernel-4.4.55.git] / fs / dax.c

diff --git a/fs/dax.c b/fs/dax.c
index 93bf2f990ace462b31dba2ee239084e112b1dfd0..7ae6df7ea1d2d04962ef4554a6a2fa1efb977006 100644 (file)
--- a/fs/dax.c
+++ b/fs/dax.c
@@ -119,7 +119,8 @@ static ssize_t dax_io(struct inode *inode, struct iov_iter *iter,
                size_t len;
                if (pos == max) {
                        unsigned blkbits = inode->i_blkbits;
-                       sector_t block = pos >> blkbits;
+                       long page = pos >> PAGE_SHIFT;
+                       sector_t block = page << (PAGE_SHIFT - blkbits);
                        unsigned first = pos - (block << blkbits);
                        long size;