d_path: Make proc_get_link() use a struct path argument

[pandora-kernel.git] / fs / proc / task_nommu.c

diff --git a/fs/proc/task_nommu.c b/fs/proc/task_nommu.c
index d8b8c71..8011528 100644 (file)
--- a/fs/proc/task_nommu.c
+++ b/fs/proc/task_nommu.c
@@ -12,7 +12,7 @@
  * each process that owns it. Non-shared memory is counted
  * accurately.
  */
-char *task_mem(struct mm_struct *mm, char *buffer)
+void task_mem(struct seq_file *m, struct mm_struct *mm)
 {
        struct vm_list_struct *vml;
        unsigned long bytes = 0, sbytes = 0, slack = 0;
@@ -58,14 +58,13 @@ char *task_mem(struct mm_struct *mm, char *buffer)
 
        bytes += kobjsize(current); /* includes kernel stack */
 
-       buffer += sprintf(buffer,
+       seq_printf(m,
                "Mem:\t%8lu bytes\n"
                "Slack:\t%8lu bytes\n"
                "Shared:\t%8lu bytes\n",
                bytes, slack, sbytes);
 
        up_read(&mm->mmap_sem);
-       return buffer;
 }
 
 unsigned long task_vsize(struct mm_struct *mm)
@@ -104,7 +103,7 @@ int task_statm(struct mm_struct *mm, int *shared, int *text,
        return size;
 }
 
-int proc_exe_link(struct inode *inode, struct dentry **dentry, struct vfsmount **mnt)
+int proc_exe_link(struct inode *inode, struct path *path)
 {
        struct vm_list_struct *vml;
        struct vm_area_struct *vma;
@@ -127,8 +126,8 @@ int proc_exe_link(struct inode *inode, struct dentry **dentry, struct vfsmount *
        }
 
        if (vma) {
-               *mnt = mntget(vma->vm_file->f_path.mnt);
-               *dentry = dget(vma->vm_file->f_path.dentry);
+               *path = vma->vm_file->f_path;
+               path_get(&vma->vm_file->f_path);
                result = 0;
        }
 
@@ -165,15 +164,13 @@ static void *m_start(struct seq_file *m, loff_t *pos)
        if (!priv->task)
                return NULL;
 
-       mm = get_task_mm(priv->task);
+       mm = mm_for_maps(priv->task);
        if (!mm) {
                put_task_struct(priv->task);
                priv->task = NULL;
                return NULL;
        }
 
-       down_read(&mm->mmap_sem);
-
        /* start from the Nth VMA */
        for (vml = mm->context.vmlist; vml; vml = vml->next)
                if (n-- == 0)
@@ -201,7 +198,7 @@ static void *m_next(struct seq_file *m, void *_vml, loff_t *pos)
        return vml ? vml->next : NULL;
 }
 
-static struct seq_operations proc_pid_maps_ops = {
+static const struct seq_operations proc_pid_maps_ops = {
        .start  = m_start,
        .next   = m_next,
        .stop   = m_stop,