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>
diff --git a/fs/reiserfs/ioctl.c b/fs/reiserfs/ioctl.c
index e30e8be..ace7745 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 @@
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 @@
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