new helper: file_inode(file)

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

3 files changed, 20 insertions, 20 deletions

diff --git a/net/sunrpc/auth_gss/auth_gss.c b/net/sunrpc/auth_gss/auth_gss.c
index 6e5c824b040b..294b4bf7ec6e 100644
--- a/net/sunrpc/auth_gss/auth_gss.c
+++ b/net/sunrpc/auth_gss/auth_gss.c
@@ -616,7 +616,7 @@ gss_pipe_downcall(struct file *filp, const char __user *src, size_t mlen)
         const void *p, *end;
         void *buf;
         struct gss_upcall_msg *gss_msg;
-        struct rpc_pipe *pipe = RPC_I(filp->f_dentry->d_inode)->pipe;
+        struct rpc_pipe *pipe = RPC_I(file_inode(filp))->pipe;
         struct gss_cl_ctx *ctx;
         uid_t uid;
         ssize_t err = -EFBIG;
diff --git a/net/sunrpc/cache.c b/net/sunrpc/cache.c
index 9afa4393c217..f3897d10f649 100644
--- a/net/sunrpc/cache.c
+++ b/net/sunrpc/cache.c
@@ -755,7 +755,7 @@ static ssize_t cache_read(struct file *filp, char __user *buf, size_t count,
 {
         struct cache_reader *rp = filp->private_data;
         struct cache_request *rq;
-        struct inode *inode = filp->f_path.dentry->d_inode;
+        struct inode *inode = file_inode(filp);
         int err;
 
         if (count == 0)
@@ -886,7 +886,7 @@ static ssize_t cache_write(struct file *filp, const char __user *buf,
                            struct cache_detail *cd)
 {
         struct address_space *mapping = filp->f_mapping;
-        struct inode *inode = filp->f_path.dentry->d_inode;
+        struct inode *inode = file_inode(filp);
         ssize_t ret = -EINVAL;
 
         if (!cd->cache_parse)
@@ -1454,7 +1454,7 @@ static ssize_t write_flush(struct file *file, const char __user *buf,
 static ssize_t cache_read_procfs(struct file *filp, char __user *buf,
                                  size_t count, loff_t *ppos)
 {
-        struct cache_detail *cd = PDE(filp->f_path.dentry->d_inode)->data;
+        struct cache_detail *cd = PDE(file_inode(filp))->data;
 
         return cache_read(filp, buf, count, ppos, cd);
 }
@@ -1462,14 +1462,14 @@ static ssize_t cache_read_procfs(struct file *filp, char __user *buf,
 static ssize_t cache_write_procfs(struct file *filp, const char __user *buf,
                                   size_t count, loff_t *ppos)
 {
-        struct cache_detail *cd = PDE(filp->f_path.dentry->d_inode)->data;
+        struct cache_detail *cd = PDE(file_inode(filp))->data;
 
         return cache_write(filp, buf, count, ppos, cd);
 }
 
 static unsigned int cache_poll_procfs(struct file *filp, poll_table *wait)
 {
-        struct cache_detail *cd = PDE(filp->f_path.dentry->d_inode)->data;
+        struct cache_detail *cd = PDE(file_inode(filp))->data;
 
         return cache_poll(filp, wait, cd);
 }
@@ -1477,7 +1477,7 @@ static unsigned int cache_poll_procfs(struct file *filp, poll_table *wait)
 static long cache_ioctl_procfs(struct file *filp,
                                unsigned int cmd, unsigned long arg)
 {
-        struct inode *inode = filp->f_path.dentry->d_inode;
+        struct inode *inode = file_inode(filp);
         struct cache_detail *cd = PDE(inode)->data;
 
         return cache_ioctl(inode, filp, cmd, arg, cd);
@@ -1546,7 +1546,7 @@ static int release_flush_procfs(struct inode *inode, struct file *filp)
 static ssize_t read_flush_procfs(struct file *filp, char __user *buf,
                             size_t count, loff_t *ppos)
 {
-        struct cache_detail *cd = PDE(filp->f_path.dentry->d_inode)->data;
+        struct cache_detail *cd = PDE(file_inode(filp))->data;
 
         return read_flush(filp, buf, count, ppos, cd);
 }
@@ -1555,7 +1555,7 @@ static ssize_t write_flush_procfs(struct file *filp,
                                   const char __user *buf,
                                   size_t count, loff_t *ppos)
 {
-        struct cache_detail *cd = PDE(filp->f_path.dentry->d_inode)->data;
+        struct cache_detail *cd = PDE(file_inode(filp))->data;
 
         return write_flush(filp, buf, count, ppos, cd);
 }
@@ -1686,7 +1686,7 @@ EXPORT_SYMBOL_GPL(cache_destroy_net);
 static ssize_t cache_read_pipefs(struct file *filp, char __user *buf,
                                  size_t count, loff_t *ppos)
 {
-        struct cache_detail *cd = RPC_I(filp->f_path.dentry->d_inode)->private;
+        struct cache_detail *cd = RPC_I(file_inode(filp))->private;
 
         return cache_read(filp, buf, count, ppos, cd);
 }
@@ -1694,14 +1694,14 @@ static ssize_t cache_read_pipefs(struct file *filp, char __user *buf,
 static ssize_t cache_write_pipefs(struct file *filp, const char __user *buf,
                                   size_t count, loff_t *ppos)
 {
-        struct cache_detail *cd = RPC_I(filp->f_path.dentry->d_inode)->private;
+        struct cache_detail *cd = RPC_I(file_inode(filp))->private;
 
         return cache_write(filp, buf, count, ppos, cd);
 }
 
 static unsigned int cache_poll_pipefs(struct file *filp, poll_table *wait)
 {
-        struct cache_detail *cd = RPC_I(filp->f_path.dentry->d_inode)->private;
+        struct cache_detail *cd = RPC_I(file_inode(filp))->private;
 
         return cache_poll(filp, wait, cd);
 }
@@ -1709,7 +1709,7 @@ static unsigned int cache_poll_pipefs(struct file *filp, poll_table *wait)
 static long cache_ioctl_pipefs(struct file *filp,
                               unsigned int cmd, unsigned long arg)
 {
-        struct inode *inode = filp->f_dentry->d_inode;
+        struct inode *inode = file_inode(filp);
         struct cache_detail *cd = RPC_I(inode)->private;
 
         return cache_ioctl(inode, filp, cmd, arg, cd);
@@ -1778,7 +1778,7 @@ static int release_flush_pipefs(struct inode *inode, struct file *filp)
 static ssize_t read_flush_pipefs(struct file *filp, char __user *buf,
                             size_t count, loff_t *ppos)
 {
-        struct cache_detail *cd = RPC_I(filp->f_path.dentry->d_inode)->private;
+        struct cache_detail *cd = RPC_I(file_inode(filp))->private;
 
         return read_flush(filp, buf, count, ppos, cd);
 }
@@ -1787,7 +1787,7 @@ static ssize_t write_flush_pipefs(struct file *filp,
                                   const char __user *buf,
                                   size_t count, loff_t *ppos)
 {
-        struct cache_detail *cd = RPC_I(filp->f_path.dentry->d_inode)->private;
+        struct cache_detail *cd = RPC_I(file_inode(filp))->private;
 
         return write_flush(filp, buf, count, ppos, cd);
 }
diff --git a/net/sunrpc/rpc_pipe.c b/net/sunrpc/rpc_pipe.c
index fd10981ea792..7b9b40224a27 100644
--- a/net/sunrpc/rpc_pipe.c
+++ b/net/sunrpc/rpc_pipe.c
@@ -284,7 +284,7 @@ out:
 static ssize_t
 rpc_pipe_read(struct file *filp, char __user *buf, size_t len, loff_t *offset)
 {
-        struct inode *inode = filp->f_path.dentry->d_inode;
+        struct inode *inode = file_inode(filp);
         struct rpc_pipe *pipe;
         struct rpc_pipe_msg *msg;
         int res = 0;
@@ -328,7 +328,7 @@ out_unlock:
 static ssize_t
 rpc_pipe_write(struct file *filp, const char __user *buf, size_t len, loff_t *offset)
 {
-        struct inode *inode = filp->f_path.dentry->d_inode;
+        struct inode *inode = file_inode(filp);
         int res;
 
         mutex_lock(&inode->i_mutex);
@@ -342,7 +342,7 @@ rpc_pipe_write(struct file *filp, const char __user *buf, size_t len, loff_t *of
 static unsigned int
 rpc_pipe_poll(struct file *filp, struct poll_table_struct *wait)
 {
-        struct inode *inode = filp->f_path.dentry->d_inode;
+        struct inode *inode = file_inode(filp);
         struct rpc_inode *rpci = RPC_I(inode);
         unsigned int mask = POLLOUT | POLLWRNORM;
 
@@ -360,7 +360,7 @@ rpc_pipe_poll(struct file *filp, struct poll_table_struct *wait)
 static long
 rpc_pipe_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
 {
-        struct inode *inode = filp->f_path.dentry->d_inode;
+        struct inode *inode = file_inode(filp);
         struct rpc_pipe *pipe;
         int len;
 
@@ -830,7 +830,7 @@ static int rpc_rmdir_depopulate(struct dentry *dentry,
  * responses to upcalls.  They will result in calls to @msg->downcall.
  *
  * The @private argument passed here will be available to all these methods
- * from the file pointer, via RPC_I(file->f_dentry->d_inode)->private.
+ * from the file pointer, via RPC_I(file_inode(file))->private.
  */
 struct dentry *rpc_mkpipe_dentry(struct dentry *parent, const char *name,
                                  void *private, struct rpc_pipe *pipe)