md: factor out a helper raid_is_456()

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There are no functional changes, the helper will be used by llbitmap in
following patches.

Link: https://lore.kernel.org/linux-raid/20250829080426.1441678-3-yukuai1@huaweicloud.com
Signed-off-by: Yu Kuai <yukuai3@huawei.com>
Reviewed-by: Xiao Ni <xni@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Reviewed-by: Li Nan <linan122@huawei.com>

...

This commit is contained in:

Yu Kuai 2025-08-29 16:04:17 +08:00

parent d01acbce39

commit 7797da149d

2 changed files with 7 additions and 8 deletions

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9

drivers/md/md.c

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6

drivers/md/md.h

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