| Date | Fri, 24 Sep 2010 09:24:24 -0700 | From | Greg KH <> | Subject | [36/80] bdi: Initialize noop_backing_dev_info properly |
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2.6.35-stable review patch. If anyone has any objections, please let us know.
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From: Jan Kara <jack@suse.cz>
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>
--- mm/backing-dev.c | 2 ++ 1 file changed, 2 insertions(+)
--- a/mm/backing-dev.c +++ b/mm/backing-dev.c @@ -29,6 +29,7 @@ EXPORT_SYMBOL_GPL(default_backing_dev_in 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; }
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