| 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
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| 2 | #ifndef _BCACHEFS_NOCOW_LOCKING_TYPES_H |
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| 3 | #define _BCACHEFS_NOCOW_LOCKING_TYPES_H |
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| 4 | |
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| 5 | #define BUCKET_NOCOW_LOCKS_BITS 10 |
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| 6 | #define BUCKET_NOCOW_LOCKS (1U << BUCKET_NOCOW_LOCKS_BITS) |
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| 7 | |
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| 8 | struct nocow_lock_bucket { |
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| 9 | struct closure_waitlist wait; |
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| 10 | spinlock_t lock; |
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| 11 | u64 b[4]; |
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| 12 | atomic_t l[4]; |
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| 13 | } __aligned(SMP_CACHE_BYTES); |
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| 14 | |
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| 15 | struct bucket_nocow_lock_table { |
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| 16 | struct nocow_lock_bucket l[BUCKET_NOCOW_LOCKS]; |
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| 17 | }; |
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| 18 | |
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| 19 | #endif /* _BCACHEFS_NOCOW_LOCKING_TYPES_H */ |
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| 20 | |
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| 21 | |
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