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bdi: add error handle for bdi_debug_register
authorweiping zhang <zhangweiping@didichuxing.com>
Fri, 17 Nov 2017 15:06:04 +0000 (23:06 +0800)
committerJens Axboe <axboe@kernel.dk>
Sun, 19 Nov 2017 18:02:13 +0000 (11:02 -0700)
commita0747a859ef6d3cc5b6cd50eb694499b78dd0025
treec1402f908087e9d5b5564e72a3533137254fdb0atree
parent97f07697932e6faf2a708f7aef7cba8e6b0cab96commit | diff
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>
mm/backing-dev.c diff | blob | blame | history
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