procfs: make proc_get_link to use dentry instead of inode

Prepare the ground for the next "map_files" patch which needs a name of a
link file to analyse.

Signed-off-by: Cyrill Gorcunov <gorcunov@openvz.org>
Cc: Pavel Emelyanov <xemul@parallels.com>
Cc: Tejun Heo <tj@kernel.org>
Cc: Vasiliy Kulikov <segoon@openwall.com>
Cc: "Kirill A. Shutemov" <kirill@shutemov.name>
Cc: Alexey Dobriyan <adobriyan@gmail.com>
Cc: Al Viro <viro@ZenIV.linux.org.uk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

2 files changed, 11 insertions, 11 deletions

diff --git a/fs/proc/base.c b/fs/proc/base.c
index 1aab5fe05a1b..e31d95055c67 100644
--- a/fs/proc/base.c
+++ b/fs/proc/base.c
@@ -166,9 +166,9 @@ static int get_task_root(struct task_struct *task, struct path *root)
         return result;
 }
 
-static int proc_cwd_link(struct inode *inode, struct path *path)
+static int proc_cwd_link(struct dentry *dentry, struct path *path)
 {
-        struct task_struct *task = get_proc_task(inode);
+        struct task_struct *task = get_proc_task(dentry->d_inode);
         int result = -ENOENT;
 
         if (task) {
@@ -183,9 +183,9 @@ static int proc_cwd_link(struct inode *inode, struct path *path)
         return result;
 }
 
-static int proc_root_link(struct inode *inode, struct path *path)
+static int proc_root_link(struct dentry *dentry, struct path *path)
 {
-        struct task_struct *task = get_proc_task(inode);
+        struct task_struct *task = get_proc_task(dentry->d_inode);
         int result = -ENOENT;
 
         if (task) {
@@ -1456,13 +1456,13 @@ static const struct file_operations proc_pid_set_comm_operations = {
         .release        = single_release,
 };
 
-static int proc_exe_link(struct inode *inode, struct path *exe_path)
+static int proc_exe_link(struct dentry *dentry, struct path *exe_path)
 {
         struct task_struct *task;
         struct mm_struct *mm;
         struct file *exe_file;
 
-        task = get_proc_task(inode);
+        task = get_proc_task(dentry->d_inode);
         if (!task)
                 return -ENOENT;
         mm = get_task_mm(task);
@@ -1492,7 +1492,7 @@ static void *proc_pid_follow_link(struct dentry *dentry, struct nameidata *nd)
         if (!proc_fd_access_allowed(inode))
                 goto out;
 
-        error = PROC_I(inode)->op.proc_get_link(inode, &nd->path);
+        error = PROC_I(inode)->op.proc_get_link(dentry, &nd->path);
 out:
         return ERR_PTR(error);
 }
@@ -1531,7 +1531,7 @@ static int proc_pid_readlink(struct dentry * dentry, char __user * buffer, int b
         if (!proc_fd_access_allowed(inode))
                 goto out;
 
-        error = PROC_I(inode)->op.proc_get_link(inode, &path);
+        error = PROC_I(inode)->op.proc_get_link(dentry, &path);
         if (error)
                 goto out;
 
@@ -1823,9 +1823,9 @@ static int proc_fd_info(struct inode *inode, struct path *path, char *info)
         return -ENOENT;
 }
 
-static int proc_fd_link(struct inode *inode, struct path *path)
+static int proc_fd_link(struct dentry *dentry, struct path *path)
 {
-        return proc_fd_info(inode, path, NULL);
+        return proc_fd_info(dentry->d_inode, path, NULL);
 }
 
 static int tid_fd_revalidate(struct dentry *dentry, struct nameidata *nd)
diff --git a/include/linux/proc_fs.h b/include/linux/proc_fs.h
index 6d9e575519cc..85c507306239 100644
--- a/include/linux/proc_fs.h
+++ b/include/linux/proc_fs.h
@@ -253,7 +253,7 @@ extern const struct proc_ns_operations utsns_operations;
 extern const struct proc_ns_operations ipcns_operations;
 
 union proc_op {
-        int (*proc_get_link)(struct inode *, struct path *);
+        int (*proc_get_link)(struct dentry *, struct path *);
         int (*proc_read)(struct task_struct *task, char *page);
         int (*proc_show)(struct seq_file *m,
                 struct pid_namespace *ns, struct pid *pid,