diff --git a/ConcurrentLinuxSr.md b/ConcurrentLinuxSr.md
index 32f2193..4241a6c 100644
--- a/ConcurrentLinuxSr.md
+++ b/ConcurrentLinuxSr.md
@@ -91,12 +91,12 @@ simple. In the source code of kernel 4.19 i edited `drivers/scsi/sr.c`,
 included `<scsi/sg.h>` which defines SG_IO, and skipped the mutex calls in
 function `sr_block_ioctl()` in case of SG_IO:
 ```
-static int sr_block_ioctl(struct block_device *bdev, fmode_t mode, unsigned cmd,
-                          unsigned long arg)
-{
 ...
 #include <scsi/sg.h>            /* For number value of ioctl cmd SG_IO */
 ...
+static int sr_block_ioctl(struct block_device *bdev, fmode_t mode, unsigned cmd,
+                          unsigned long arg)
+{
 
        ...
        if (cmd != SG_IO)