sh: Kill off the .stack section.

[powerpc.git] / fs / nfs / write.c

diff --git a/fs/nfs/write.c b/fs/nfs/write.c
index 453d446..c12effb 100644 (file)
--- a/fs/nfs/write.c
+++ b/fs/nfs/write.c
@@ -396,6 +396,7 @@ int nfs_writepages(struct address_space *mapping, struct writeback_control *wbc)
 out:
        clear_bit(BDI_write_congested, &bdi->state);
        wake_up_all(&nfs_write_congestion);
+       writeback_congestion_end();
        return err;
 }
 
@@ -1252,7 +1253,13 @@ int nfs_writeback_done(struct rpc_task *task, struct nfs_write_data *data)
        dprintk("NFS: %4d nfs_writeback_done (status %d)\n",
                task->tk_pid, task->tk_status);
 
-       /* Call the NFS version-specific code */
+       /*
+        * ->write_done will attempt to use post-op attributes to detect
+        * conflicting writes by other clients.  A strict interpretation
+        * of close-to-open would allow us to continue caching even if
+        * another writer had changed the file, but some applications
+        * depend on tighter cache coherency when writing.
+        */
        status = NFS_PROTO(data->inode)->write_done(task, data);
        if (status != 0)
                return status;