commit e1da0222753a2322d76c97fc02396fb83143c7ac
author Jens Axboe <jens.axboe@oracle.com> Thu Apr 22 11:58:18 2010 +0200
committer Jens Axboe <jens.axboe@oracle.com> Thu Apr 22 11:58:18 2010 +0200
tree cba5f8058b48cc0f6c6647e3f217bf0cfb7b60ef
parent 0ed07ddb56d1348e5ce33f3b8de20d730351983a

afs: add bdi backing to mount session.

This ensures that dirty data gets flushed properly.

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>

fs/afs/volume.c

diff --git a/fs/afs/volume.c b/fs/afs/volume.c
index a353e69..401eeb2 100644
--- a/fs/afs/volume.c
+++ b/fs/afs/volume.c
@@ -106,6 +106,10 @@
 	volume->cell		= params->cell;
 	volume->vid		= vlocation->vldb.vid[params->type];
 
+	ret = bdi_setup_and_register(&volume->bdi, "afs", BDI_CAP_MAP_COPY);
+	if (ret)
+		goto error_bdi;
+
 	init_rwsem(&volume->server_sem);
 
 	/* look up all the applicable server records */
@@ -151,6 +155,8 @@
 	return ERR_PTR(ret);
 
 error_discard:
+	bdi_destroy(&volume->bdi);
+error_bdi:
 	up_write(&params->cell->vl_sem);
 
 	for (loop = volume->nservers - 1; loop >= 0; loop--)
@@ -200,6 +206,7 @@
 	for (loop = volume->nservers - 1; loop >= 0; loop--)
 		afs_put_server(volume->servers[loop]);
 
+	bdi_destroy(&volume->bdi);
 	kfree(volume);
 
 	_leave(" [destroyed]");