btrfs: scrub: convert scrub_workers_refcnt to refcount_t

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Use the refcount_t for fs_info::scrub_workers_refcnt instead of int so
we get the extra checks. All reference changes are still done under
scrub_lock.

Signed-off-by: Anand Jain <anand.jain@oracle.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>

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Anand Jain 2019-01-30 14:45:02 +08:00 • committed by David Sterba

parent eb4318e59a

commit ff09c4ca59

3 changed files with 8 additions and 5 deletions

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2

fs/btrfs/ctree.h

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2

fs/btrfs/disk-io.c

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9

fs/btrfs/scrub.c

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