btrfs: switch to refcount_t type for btrfs_trans_handle::use_count

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The use_count is a reference counter, we can use the refcount_t type,
though we don't use the atomicity. This is not a performance critical
code and we could catch the underflows. The type is changed from long,
but the number of references will fit an int.

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

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David Sterba 2017-11-08 01:39:58 +01:00

parent 2dbda74ed9

commit b50fff816c

2 changed files with 7 additions and 7 deletions

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12

fs/btrfs/transaction.c

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2

fs/btrfs/transaction.h

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