1 files changed, 7 insertions, 0 deletions

diff --git a/fs/nfs/dir.c b/fs/nfs/dir.c
index 27cf5577f239..147cbf9261ce 100644
--- a/fs/nfs/dir.c
+++ b/fs/nfs/dir.c
@@ -189,7 +189,9 @@ int nfs_readdir_filler(nfs_readdir_descriptor_t *desc, struct page *page)
                 goto error;
         }
         SetPageUptodate(page);
+        spin_lock(&inode->i_lock);
         NFS_I(inode)->cache_validity |= NFS_INO_INVALID_ATIME;
+        spin_unlock(&inode->i_lock);
         /* Ensure consistent page alignment of the data.
          * Note: assumes we have exclusive access to this mapping either
          *       through inode->i_sem or some other mechanism.
@@ -462,7 +464,9 @@ int uncached_readdir(nfs_readdir_descriptor_t *desc, void *dirent,
                                                 page,
                                                 NFS_SERVER(inode)->dtsize,
                                                 desc->plus);
+        spin_lock(&inode->i_lock);
         NFS_I(inode)->cache_validity |= NFS_INO_INVALID_ATIME;
+        spin_unlock(&inode->i_lock);
         desc->page = page;
         desc->ptr = kmap(page);         /* matching kunmap in nfs_do_filldir */
         if (desc->error >= 0) {
@@ -1596,7 +1600,10 @@ void nfs_access_add_cache(struct inode *inode, struct nfs_access_entry *set)
                         put_rpccred(cache->cred);
                 cache->cred = get_rpccred(set->cred);
         }
+        /* FIXME: replace current access_cache BKL reliance with inode->i_lock */
+        spin_lock(&inode->i_lock);
         nfsi->cache_validity &= ~NFS_INO_INVALID_ACCESS;
+        spin_unlock(&inode->i_lock);
         cache->jiffies = set->jiffies;
         cache->mask = set->mask;
 }