LU-12394 llite: Fix extents_stats

[fs/lustre-release.git] / lustre / llite / llite_mmap.c

diff --git a/lustre/llite/llite_mmap.c b/lustre/llite/llite_mmap.c
index 1009c70..14ed60d 100644 (file)
--- a/lustre/llite/llite_mmap.c
+++ b/lustre/llite/llite_mmap.c
@@ -394,6 +394,12 @@ restart:
                 result |= VM_FAULT_LOCKED;
         }
        cfs_restore_sigs(set);
+
+       if (vmf->page && result == VM_FAULT_LOCKED)
+               ll_rw_stats_tally(ll_i2sbi(file_inode(vma->vm_file)),
+                                 current->pid, LUSTRE_FPRIVATE(vma->vm_file),
+                                 cl_offset(NULL, vmf->page->index), PAGE_SIZE,
+                                 READ);
         return result;
 }
 
@@ -455,6 +461,11 @@ static vm_fault_t ll_page_mkwrite(struct vm_area_struct *vma,
                 break;
         }
 
+       if (result == VM_FAULT_LOCKED)
+               ll_rw_stats_tally(ll_i2sbi(file_inode(vma->vm_file)),
+                                 current->pid, LUSTRE_FPRIVATE(vma->vm_file),
+                                 cl_offset(NULL, vmf->page->index), PAGE_SIZE,
+                                 WRITE);
         return result;
 }