scsi: Push down BKL into ioctl functions

Push down the bkl into ioctl functions on the scsi layer.

[jkacur: Forward declaration missing ';'.
Conflicting declaraction in megaraid.h changed
Fixed missing inodes declarations]

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: John Kacur <jkacur@redhat.com>
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>

1 files changed, 17 insertions, 5 deletions

diff --git a/drivers/scsi/megaraid/megaraid_mm.c b/drivers/scsi/megaraid/megaraid_mm.c
index 36e0b7d05c1d..41f82f76d884 100644
--- a/drivers/scsi/megaraid/megaraid_mm.c
+++ b/drivers/scsi/megaraid/megaraid_mm.c
@@ -22,7 +22,7 @@
 
 // Entry points for char node driver
 static int mraid_mm_open(struct inode *, struct file *);
-static int mraid_mm_ioctl(struct inode *, struct file *, uint, unsigned long);
+static long mraid_mm_unlocked_ioctl(struct file *, uint, unsigned long);
 
 
 // routines to convert to and from the old the format
@@ -70,7 +70,7 @@ static wait_queue_head_t wait_q;
 
 static const struct file_operations lsi_fops = {
         .open   = mraid_mm_open,
-        .ioctl  = mraid_mm_ioctl,
+        .unlocked_ioctl = mraid_mm_unlocked_ioctl,
 #ifdef CONFIG_COMPAT
         .compat_ioctl = mraid_mm_compat_ioctl,
 #endif
@@ -110,8 +110,7 @@ mraid_mm_open(struct inode *inode, struct file *filep)
  * @arg         : user ioctl packet
  */
 static int
-mraid_mm_ioctl(struct inode *inode, struct file *filep, unsigned int cmd,
-                                                        unsigned long arg)
+mraid_mm_ioctl(struct file *filep, unsigned int cmd, unsigned long arg)
 {
         uioc_t          *kioc;
         char            signature[EXT_IOCTL_SIGN_SZ]    = {0};
@@ -218,6 +217,19 @@ mraid_mm_ioctl(struct inode *inode, struct file *filep, unsigned int cmd,
         return rval;
 }
 
+static long
+mraid_mm_unlocked_ioctl(struct file *filep, unsigned int cmd,
+                        unsigned long arg)
+{
+        int err;
+
+        /* inconsistant: mraid_mm_compat_ioctl doesn't take the BKL */
+        lock_kernel();
+        err = mraid_mm_ioctl(filep, cmd, arg);
+        unlock_kernel();
+
+        return err;
+}
 
 /**
  * mraid_mm_get_adapter - Returns corresponding adapters for the mimd packet
@@ -1225,7 +1237,7 @@ mraid_mm_compat_ioctl(struct file *filep, unsigned int cmd,
 {
         int err;
 
-        err = mraid_mm_ioctl(NULL, filep, cmd, arg);
+        err = mraid_mm_ioctl(filep, cmd, arg);
 
         return err;
 }