sunrpc: Pushdown the bkl from ioctl
Pushdown the bkl to rpc_pipe_ioctl. Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com> Cc: "J. Bruce Fields" <bfields@fieldses.org> Cc: Neil Brown <neilb@suse.de> Cc: Nfs <linux-nfs@vger.kernel.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: John Kacur <jkacur@redhat.com> Cc: Arnd Bergmann <arnd@arndb.de>
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3663df70c0
Коммит
674b604cdd
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@ -27,6 +27,7 @@
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#include <linux/workqueue.h>
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#include <linux/sunrpc/rpc_pipe_fs.h>
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#include <linux/sunrpc/cache.h>
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#include <linux/smp_lock.h>
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static struct vfsmount *rpc_mount __read_mostly;
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static int rpc_mount_count;
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@ -309,8 +310,7 @@ rpc_pipe_poll(struct file *filp, struct poll_table_struct *wait)
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}
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static int
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rpc_pipe_ioctl(struct inode *ino, struct file *filp,
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unsigned int cmd, unsigned long arg)
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rpc_pipe_ioctl_unlocked(struct file *filp, unsigned int cmd, unsigned long arg)
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{
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struct rpc_inode *rpci = RPC_I(filp->f_path.dentry->d_inode);
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int len;
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@ -331,13 +331,25 @@ rpc_pipe_ioctl(struct inode *ino, struct file *filp,
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}
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}
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static long
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rpc_pipe_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
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{
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long ret;
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lock_kernel();
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ret = rpc_pipe_ioctl_unlocked(filp, cmd, arg);
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unlock_kernel();
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return ret;
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}
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static const struct file_operations rpc_pipe_fops = {
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.owner = THIS_MODULE,
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.llseek = no_llseek,
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.read = rpc_pipe_read,
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.write = rpc_pipe_write,
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.poll = rpc_pipe_poll,
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.ioctl = rpc_pipe_ioctl,
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.unlocked_ioctl = rpc_pipe_ioctl,
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.open = rpc_pipe_open,
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.release = rpc_pipe_release,
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};
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