kill-the-bkl/reiserfs: definitely drop the bkl from reiserfs_ioctl()

The reiserfs ioctl path doesn't need the big kernel lock anymore , now
that the filesystem synchronizes through its own lock.

We can then turn reiserfs_ioctl() into an unlocked_ioctl callback.

Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Jeff Mahoney <jeffm@suse.com>
Cc: Chris Mason <chris.mason@oracle.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Alexander Beregalov <a.beregalov@gmail.com>
Cc: Laurent Riffard <laurent.riffard@free.fr>
Cc: Thomas Gleixner <tglx@linutronix.de>

1 files changed, 3 insertions, 8 deletions

diff --git a/fs/reiserfs/ioctl.c b/fs/reiserfs/ioctl.c
index e30e8be09179..ace77451ceb1 100644
--- a/fs/reiserfs/ioctl.c
+++ b/fs/reiserfs/ioctl.c
@@ -20,9 +20,9 @@
  *  2) REISERFS_IOC_[GS]ETFLAGS, REISERFS_IOC_[GS]ETVERSION
  *  3) That's all for a while ...
  */
-int reiserfs_ioctl(struct inode *inode, struct file *filp, unsigned int cmd,
-                   unsigned long arg)
+long reiserfs_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
 {
+        struct inode *inode = filp->f_path.dentry->d_inode;
         unsigned int flags;
         int err = 0;
 
@@ -132,9 +132,6 @@ setversion_out:
 long reiserfs_compat_ioctl(struct file *file, unsigned int cmd,
                                 unsigned long arg)
 {
-        struct inode *inode = file->f_path.dentry->d_inode;
-        int ret;
-
         /* These are just misnamed, they actually get/put from/to user an int */
         switch (cmd) {
         case REISERFS_IOC32_UNPACK:
@@ -156,9 +153,7 @@ long reiserfs_compat_ioctl(struct file *file, unsigned int cmd,
                 return -ENOIOCTLCMD;
         }
 
-        ret = reiserfs_ioctl(inode, file, cmd, (unsigned long) compat_ptr(arg));
-
-        return ret;
+        return reiserfs_ioctl(file, cmd, (unsigned long) compat_ptr(arg));
 }
 #endif