md: stop using for_each_mddev in md_notify_reboot
authorChristoph Hellwig <hch@lst.de>
Tue, 19 Jul 2022 09:18:21 +0000 (11:18 +0200)
committerSong Liu <song@kernel.org>
Wed, 20 Jul 2022 05:41:37 +0000 (22:41 -0700)
commit32389bb813f970befb44dcbde09704c937509cb4
tree0b14436071f986c948c0efc2cb1a9623f7020ff7
parent1bb1083754971c6c50bf894ff93b81139e045ab8
md: stop using for_each_mddev in md_notify_reboot

Just do a simple list_for_each_entry_safe on all_mddevs, and only grab a
reference when we drop the lock.

Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Logan Gunthorpe <logang@deltatee.com>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: Song Liu <song@kernel.org>
drivers/md/md.c