d_path: Make get_dcookie() use a struct path argument
[safe/jmp/linux-2.6] / drivers / oprofile / buffer_sync.c
index edd6de9..b07ba2a 100644 (file)
@@ -26,8 +26,9 @@
 #include <linux/profile.h>
 #include <linux/module.h>
 #include <linux/fs.h>
+#include <linux/oprofile.h>
 #include <linux/sched.h>
+
 #include "oprofile_stats.h"
 #include "event_buffer.h"
 #include "cpu_buffer.h"
@@ -186,23 +187,22 @@ void sync_stop(void)
        end_sync();
 }
 
+
 /* Optimisation. We can manage without taking the dcookie sem
  * because we cannot reach this code without at least one
  * dcookie user still being registered (namely, the reader
  * of the event buffer). */
-static inline unsigned long fast_get_dcookie(struct dentry * dentry,
-       struct vfsmount * vfsmnt)
+static inline unsigned long fast_get_dcookie(struct path *path)
 {
        unsigned long cookie;
-       if (dentry->d_cookie)
-               return (unsigned long)dentry;
-       get_dcookie(dentry, vfsmnt, &cookie);
+
+       if (path->dentry->d_cookie)
+               return (unsigned long)path->dentry;
+       get_dcookie(path, &cookie);
        return cookie;
 }
 
+
 /* Look up the dcookie for the task's first VM_EXECUTABLE mapping,
  * which corresponds loosely to "application name". This is
  * not strictly necessary but allows oprofile to associate
@@ -221,8 +221,7 @@ static unsigned long get_exec_dcookie(struct mm_struct * mm)
                        continue;
                if (!(vma->vm_flags & VM_EXECUTABLE))
                        continue;
-               cookie = fast_get_dcookie(vma->vm_file->f_path.dentry,
-                       vma->vm_file->f_path.mnt);
+               cookie = fast_get_dcookie(&vma->vm_file->f_path);
                break;
        }
 
@@ -247,8 +246,7 @@ static unsigned long lookup_dcookie(struct mm_struct * mm, unsigned long addr, o
                        continue;
 
                if (vma->vm_file) {
-                       cookie = fast_get_dcookie(vma->vm_file->f_path.dentry,
-                               vma->vm_file->f_path.mnt);
+                       cookie = fast_get_dcookie(&vma->vm_file->f_path);
                        *offset = (vma->vm_pgoff << PAGE_SHIFT) + addr -
                                vma->vm_start;
                } else {