nilfs2: introduce nilfs_prepare_super

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This function checks validity of super block pointers.
If first super block is invalid, it will swap the super blocks.
The function should be called before any super block information updates.
Caller must obtain nilfs->ns_sem.

Signed-off-by: Jiro SEKIBA <jir@unicus.jp>
Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>

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Jiro SEKIBA 2010-06-28 17:49:32 +09:00 • committed by Ryusuke Konishi

parent 60f46b7efc

commit d26493b6f0

3 changed files with 58 additions and 24 deletions

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1

fs/nilfs2/nilfs.h

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8

fs/nilfs2/segment.c

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81

fs/nilfs2/super.c

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