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linux/mm/backing-dev.c
weiping zhang a0747a859e bdi: add error handle for bdi_debug_register 
In order to make error handle more cleaner we call bdi_debug_register
before set state to WB_registered, that we can avoid call bdi_unregister
in release_bdi().

Reviewed-by: Jan Kara <jack@suse.cz>
Signed-off-by: weiping zhang <zhangweiping@didichuxing.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
2017-11-19 11:02:13 -07:00

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