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sunrpc: Pushdown the bkl from ioctl

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Pushdown the bkl to rpc_pipe_ioctl.

Signed-off-by: Frederic Weisbecker <[email protected]>
Cc: "J. Bruce Fields" <[email protected]>
Cc: Neil Brown <[email protected]>
Cc: Nfs <[email protected]>
Cc: Thomas Gleixner <[email protected]>
Cc: John Kacur <[email protected]>
Cc: Arnd Bergmann <[email protected]>
This commit is contained in:
Frederic Weisbecker 2010-05-19 15:08:17 +02:00
commit 674b604cdd
1 changed files with 15 additions and 3 deletions
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18
net/sunrpc/rpc_pipe.c
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@ -27,6 +27,7 @@
#include <linux/workqueue.h>
#include <linux/sunrpc/rpc_pipe_fs.h>
#include <linux/sunrpc/cache.h>
#include <linux/smp_lock.h>
static struct vfsmount *rpc_mount __read_mostly;
static int rpc_mount_count;
@ -309,8 +310,7 @@ rpc_pipe_poll(struct file *filp, struct poll_table_struct *wait)
}
static int
rpc_pipe_ioctl(struct inode *ino, struct file *filp,
unsigned int cmd, unsigned long arg)
rpc_pipe_ioctl_unlocked(struct file *filp, unsigned int cmd, unsigned long arg)
{
struct rpc_inode *rpci = RPC_I(filp->f_path.dentry->d_inode);
int len;
@ -331,13 +331,25 @@ rpc_pipe_ioctl(struct inode *ino, struct file *filp,
}
}
static long
rpc_pipe_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
{
long ret;
lock_kernel();
ret = rpc_pipe_ioctl_unlocked(filp, cmd, arg);
unlock_kernel();
return ret;
}
static const struct file_operations rpc_pipe_fops = {
.owner = THIS_MODULE,
.llseek = no_llseek,
.read = rpc_pipe_read,
.write = rpc_pipe_write,
.poll = rpc_pipe_poll,
.ioctl = rpc_pipe_ioctl,
.unlocked_ioctl = rpc_pipe_ioctl,
.open = rpc_pipe_open,
.release = rpc_pipe_release,
};