btrfs: reuse existing variable in scrub_stripe, reduce stack usage

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The key variable occupies 17 bytes, the key_start is used once, we can
simply reuse existing 'key' for that purpose. As the key is not a simple
type, compiler doest not do it on itself.

Signed-off-by: David Sterba <dsterba@suse.com>

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David Sterba 2016-03-24 18:00:53 +01:00

parent 49a3c4d9b6

commit e6c11f9a46

1 changed files with 9 additions and 10 deletions

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fs/btrfs/scrub.c

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