selftests/seccomp: More closely track fds being assigned

[linux-2.6-microblaze.git] / fs / buffer.c

diff --git a/fs/buffer.c b/fs/buffer.c
index e9872d0..ea48c01 100644 (file)
--- a/fs/buffer.c
+++ b/fs/buffer.c
@@ -1020,11 +1020,7 @@ grow_buffers(struct block_device *bdev, sector_t block, int size, gfp_t gfp)
        pgoff_t index;
        int sizebits;
 
-       sizebits = -1;
-       do {
-               sizebits++;
-       } while ((size << sizebits) < PAGE_SIZE);
-
+       sizebits = PAGE_SHIFT - __ffs(size);
        index = block >> sizebits;
 
        /*