summaryrefslogtreecommitdiff
path: root/drivers/oprofile/buffer_sync.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/oprofile/buffer_sync.c')
-rw-r--r--drivers/oprofile/buffer_sync.c21
1 files changed, 9 insertions, 12 deletions
diff --git a/drivers/oprofile/buffer_sync.c b/drivers/oprofile/buffer_sync.c
index 8134c7e198a5..b07ba2a14119 100644
--- a/drivers/oprofile/buffer_sync.c
+++ b/drivers/oprofile/buffer_sync.c
@@ -187,23 +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
@@ -222,8 +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;
}
@@ -248,8 +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 {