diff options
author | Trond Myklebust <Trond.Myklebust@netapp.com> | 2008-02-15 13:36:30 -0500 |
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committer | Trond Myklebust <Trond.Myklebust@netapp.com> | 2008-02-15 13:36:30 -0500 |
commit | 52833e897fd8c6f62b3e5e27291fa9bc803f7460 (patch) | |
tree | cfe90047ee6c7402674a29ec7258319142b96ff1 /drivers/oprofile/buffer_sync.c | |
parent | 8d042218b075de3cdbe066198515b3521553746e (diff) | |
parent | 4ee29f6a52158cea526b16a44ae38643946103ec (diff) |
Merge branch 'linus_origin' into hotfixes
Diffstat (limited to 'drivers/oprofile/buffer_sync.c')
-rw-r--r-- | drivers/oprofile/buffer_sync.c | 21 |
1 files changed, 9 insertions, 12 deletions
diff --git a/drivers/oprofile/buffer_sync.c b/drivers/oprofile/buffer_sync.c index 8134c7e198a..b07ba2a1411 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 { |