procfs: new helper - PDE_DATA(inode)

The only part of proc_dir_entry the code outside of fs/proc
really cares about is PDE(inode)->data.  Provide a helper
for that; static inline for now, eventually will be moved
to fs/proc, along with the knowledge of struct proc_dir_entry
layout.

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

6 files changed, 9 insertions, 9 deletions

diff --git a/fs/afs/proc.c b/fs/afs/proc.c
index 096b23f821a1..526e4bbbde59 100644
--- a/fs/afs/proc.c
+++ b/fs/afs/proc.c
@@ -190,7 +190,7 @@ static int afs_proc_cells_open(struct inode *inode, struct file *file)
                 return ret;
 
         m = file->private_data;
-        m->private = PDE(inode)->data;
+        m->private = PDE_DATA(inode);
 
         return 0;
 }
@@ -448,7 +448,7 @@ static int afs_proc_cell_volumes_open(struct inode *inode, struct file *file)
         struct seq_file *m;
         int ret;
 
-        cell = PDE(inode)->data;
+        cell = PDE_DATA(inode);
         if (!cell)
                 return -ENOENT;
 
@@ -554,7 +554,7 @@ static int afs_proc_cell_vlservers_open(struct inode *inode, struct file *file)
         struct seq_file *m;
         int ret;
 
-        cell = PDE(inode)->data;
+        cell = PDE_DATA(inode);
         if (!cell)
                 return -ENOENT;
 
@@ -659,7 +659,7 @@ static int afs_proc_cell_servers_open(struct inode *inode, struct file *file)
         struct seq_file *m;
         int ret;
 
-        cell = PDE(inode)->data;
+        cell = PDE_DATA(inode);
         if (!cell)
                 return -ENOENT;
 
diff --git a/fs/ext4/mballoc.c b/fs/ext4/mballoc.c
index ee6614bdb639..28e421c208a5 100644
--- a/fs/ext4/mballoc.c
+++ b/fs/ext4/mballoc.c
@@ -2149,7 +2149,7 @@ static const struct seq_operations ext4_mb_seq_groups_ops = {
 
 static int ext4_mb_seq_groups_open(struct inode *inode, struct file *file)
 {
-        struct super_block *sb = PDE(inode)->data;
+        struct super_block *sb = PDE_DATA(inode);
         int rc;
 
         rc = seq_open(file, &ext4_mb_seq_groups_ops);
diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index 5d6d53578124..c65510548355 100644
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -1802,7 +1802,7 @@ static int options_seq_show(struct seq_file *seq, void *offset)
 
 static int options_open_fs(struct inode *inode, struct file *file)
 {
-        return single_open(file, options_seq_show, PDE(inode)->data);
+        return single_open(file, options_seq_show, PDE_DATA(inode));
 }
 
 static const struct file_operations ext4_seq_options_fops = {
diff --git a/fs/jbd2/journal.c b/fs/jbd2/journal.c
index ed10991ab006..154592ea5632 100644
--- a/fs/jbd2/journal.c
+++ b/fs/jbd2/journal.c
@@ -950,7 +950,7 @@ static const struct seq_operations jbd2_seq_info_ops = {
 
 static int jbd2_seq_info_open(struct inode *inode, struct file *file)
 {
-        journal_t *journal = PDE(inode)->data;
+        journal_t *journal = PDE_DATA(inode);
         struct jbd2_stats_proc_session *s;
         int rc, size;
 
diff --git a/fs/proc/generic.c b/fs/proc/generic.c
index 51fcb201e289..c0ad720c37b9 100644
--- a/fs/proc/generic.c
+++ b/fs/proc/generic.c
@@ -346,7 +346,7 @@ void proc_free_inum(unsigned int inum)
 
 static void *proc_follow_link(struct dentry *dentry, struct nameidata *nd)
 {
-        nd_set_link(nd, PDE(dentry->d_inode)->data);
+        nd_set_link(nd, PDE_DATA(dentry->d_inode));
         return NULL;
 }
 
diff --git a/fs/proc/proc_devtree.c b/fs/proc/proc_devtree.c
index 30b590f5bd35..e0043c7e7ab7 100644
--- a/fs/proc/proc_devtree.c
+++ b/fs/proc/proc_devtree.c
@@ -41,7 +41,7 @@ static int property_proc_show(struct seq_file *m, void *v)
 
 static int property_proc_open(struct inode *inode, struct file *file)
 {
-        return single_open(file, property_proc_show, PDE(inode)->data);
+        return single_open(file, property_proc_show, PDE_DATA(inode));
 }
 
 static const struct file_operations property_proc_fops = {