One or two bits I couldn't figure out if the BKL could be dropped for
Signed-off-by: Alan Cox <alan@xxxxxxxxxx>
diff --git a/net/sunrpc/cache.c b/net/sunrpc/cache.c
index c996671..0c1af5d 100644
--- a/net/sunrpc/cache.c
+++ b/net/sunrpc/cache.c
@@ -826,11 +826,11 @@ cache_poll(struct file *filp, poll_table *wait)
return mask;
}
-static int
-cache_ioctl(struct inode *ino, struct file *filp,
- unsigned int cmd, unsigned long arg)
+static long
+cache_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
{
int len = 0;
+ struct inode *ino = filp->f_path.dentry->d_inode;
struct cache_reader *rp = filp->private_data;
struct cache_queue *cq;
struct cache_detail *cd = PDE(ino)->data;
@@ -918,7 +918,7 @@ static const struct file_operations cache_file_operations = {
.read = cache_read,
.write = cache_write,
.poll = cache_poll,
- .ioctl = cache_ioctl, /* for FIONREAD */
+ .unlocked_ioctl = cache_ioctl, /* for FIONREAD */
.open = cache_open,
.release = cache_release,
};
diff --git a/net/sunrpc/rpc_pipe.c b/net/sunrpc/rpc_pipe.c
index 5a9b0e7..80bca08 100644
--- a/net/sunrpc/rpc_pipe.c
+++ b/net/sunrpc/rpc_pipe.c
@@ -296,23 +296,26 @@ rpc_pipe_poll(struct file *filp, struct poll_table_struct *wait)
return mask;
}
-static int
-rpc_pipe_ioctl(struct inode *ino, struct file *filp,
- unsigned int cmd, unsigned long arg)
+static long
+rpc_pipe_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
{
struct rpc_inode *rpci = RPC_I(filp->f_path.dentry->d_inode);
int len;
switch (cmd) {
case FIONREAD:
- if (rpci->ops == NULL)
+ lock_kernel();
+ if (rpci->ops == NULL) {
+ unlock_kernel();
return -EPIPE;
+ }
len = rpci->pipelen;
if (filp->private_data) {
struct rpc_pipe_msg *msg;
msg = (struct rpc_pipe_msg *)filp->private_data;
len += msg->len - msg->copied;
}
+ unlock_kernel();
return put_user(len, (int __user *)arg);
default:
return -EINVAL;
@@ -325,7 +328,7 @@ static const struct file_operations rpc_pipe_fops = {
.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,
};
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