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authorJan Kara <jack@suse.cz>2010-09-21 11:48:55 +0200
committerGreg Kroah-Hartman <gregkh@suse.de>2010-09-26 17:18:24 -0700
commit2263d443c405052b413b65506feb3534d375d55c (patch)
treeab8f35ffedaa396d8a5cefb89e0f919f8bd69e24 /mm
parente1d7519864aede29b957d1dc5760d83d9ec2ff3a (diff)
bdi: Initialize noop_backing_dev_info properly
commit 976e48f8a5b02fc33f3e5cad87fb3fcea041a49c upstream. Properly initialize this backing dev info so that writeback code does not barf when getting to it e.g. via sb->s_bdi. Signed-off-by: Jan Kara <jack@suse.cz> Signed-off-by: Jens Axboe <jaxboe@fusionio.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'mm')
-rw-r--r--mm/backing-dev.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/mm/backing-dev.c b/mm/backing-dev.c
index 123bcef13e51..c0f715719829 100644
--- a/mm/backing-dev.c
+++ b/mm/backing-dev.c
@@ -29,6 +29,7 @@ EXPORT_SYMBOL_GPL(default_backing_dev_info);
struct backing_dev_info noop_backing_dev_info = {
.name = "noop",
+ .capabilities = BDI_CAP_NO_ACCT_AND_WRITEBACK,
};
EXPORT_SYMBOL_GPL(noop_backing_dev_info);
@@ -254,6 +255,7 @@ static int __init default_bdi_init(void)
err = bdi_init(&default_backing_dev_info);
if (!err)
bdi_register(&default_backing_dev_info, NULL, "default");
+ err = bdi_init(&noop_backing_dev_info);
return err;
}