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d_path: Make get_dcookie() use a struct path argument

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get_dcookie() is always called with a dentry and a vfsmount from a struct
path.  Make get_dcookie() take it directly as an argument.

[[email protected]: coding-style fixes]
Signed-off-by: Jan Blunck <[email protected]>
Acked-by: Christoph Hellwig <[email protected]>
Cc: Al Viro <[email protected]>
Cc: "J. Bruce Fields" <[email protected]>
Cc: Neil Brown <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
Jan Blunck 2008-02-14 19:38:36 -08:00 • committed by Linus Torvalds
commit 448678a0f3
4 changed files with 37 additions and 48 deletions
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21
drivers/oprofile/buffer_sync.c
View file

@ -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 {