NFSv42: Don't force attribute revalidation of the copy offload source

When a copy offload is performed, we do not expect the source file to
change other than perhaps to see the atime be updated.

Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>

diff --git a/fs/nfs/nfs42proc.c b/fs/nfs/nfs42proc.c
index 3875120..a243495 100644 (file)
--- a/fs/nfs/nfs42proc.c
+++ b/fs/nfs/nfs42proc.c
@@ -390,12 +390,7 @@ static ssize_t _nfs42_proc_copy(struct file *src,
        }
 
        nfs42_copy_dest_done(dst_inode, pos_dst, res->write_res.count);
-
-       spin_lock(&src_inode->i_lock);
-       nfs_set_cache_invalid(src_inode, NFS_INO_REVAL_PAGECACHE |
-                                                NFS_INO_REVAL_FORCED |
-                                                NFS_INO_INVALID_ATIME);
-       spin_unlock(&src_inode->i_lock);
+       nfs_invalidate_atime(src_inode);
        status = res->write_res.count;
 out:
        if (args->sync)