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

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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>
This commit is contained in:
Frederic Weisbecker
2009-10-14 23:22:17 +02:00
parent ac78a07893
commit 205cb37b89
4 changed files with 6 additions and 12 deletions
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11
fs/reiserfs/ioctl.c
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@@ -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