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authorJan Kara <jack@suse.cz>2010-09-21 11:48:55 +0200
committerJens Axboe <jaxboe@fusionio.com>2010-09-22 09:48:47 +0200
commit976e48f8a5b02fc33f3e5cad87fb3fcea041a49c (patch)
treea4245a8a37202f1c6847dbfa6931b8287b7d0b0b /mm/backing-dev.c
parent180be2a0420a0d680285e9352c0db85016b9ed2a (diff)
downloadlinux-976e48f8a5b02fc33f3e5cad87fb3fcea041a49c.tar.gz
bdi: Initialize noop_backing_dev_info properly
Properly initialize this backing dev info so that writeback code does not barf when getting to it e.g. via sb->s_bdi. Cc: stable@kernel.org Signed-off-by: Jan Kara <jack@suse.cz> Signed-off-by: Jens Axboe <jaxboe@fusionio.com>
Diffstat (limited to 'mm/backing-dev.c')
-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 c2bf86f470e..65d420499a6 100644
--- a/mm/backing-dev.c
+++ b/mm/backing-dev.c
@@ -30,6 +30,7 @@ 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);
@@ -243,6 +244,7 @@ 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;
}