pNFS/files: filelayout_write_done_cb must call nfs_writeback_update_inode()

All write callbacks are required to call nfs_writeback_update_inode() upon
success to ensure that file size changes are recorded, and the attribute
cache is invalidated.

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

diff --git a/fs/nfs/filelayout/filelayout.c b/fs/nfs/filelayout/filelayout.c
index 25bd91a..a3fc48b 100644 (file)
--- a/fs/nfs/filelayout/filelayout.c
+++ b/fs/nfs/filelayout/filelayout.c
@@ -357,6 +357,12 @@ static int filelayout_write_done_cb(struct rpc_task *task,
        }
 
        filelayout_set_layoutcommit(hdr);
+
+       /* zero out the fattr */
+       hdr->fattr.valid = 0;
+       if (task->tk_status >= 0)
+               nfs_writeback_update_inode(hdr);
+
        return 0;
 }