md: override md superblock recovery_offset for journal device

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Journal device stores data in a log structure. We need record the log
start. Here we override md superblock recovery_offset for this purpose.
This field of a journal device is meaningless otherwise.

Signed-off-by: Shaohua Li <shli@fb.com>
Signed-off-by: NeilBrown <neilb@suse.com>

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Shaohua Li 2015-08-13 14:31:56 -07:00 • committed by NeilBrown

parent bac624f3f8

commit 3069aa8def

3 changed files with 17 additions and 2 deletions

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include/uapi/linux/raid/md_p.h

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