diff options
Diffstat (limited to 'libbcachefs/nocow_locking.h')
| -rw-r--r-- | libbcachefs/nocow_locking.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/libbcachefs/nocow_locking.h b/libbcachefs/nocow_locking.h index 45258cc3..ff8e4af5 100644 --- a/libbcachefs/nocow_locking.h +++ b/libbcachefs/nocow_locking.h @@ -20,6 +20,7 @@ static inline struct nocow_lock_bucket *bucket_nocow_lock(struct bucket_nocow_lo bool bch2_bucket_nocow_is_locked(struct bucket_nocow_lock_table *, struct bpos); void bch2_bucket_nocow_unlock(struct bucket_nocow_lock_table *, struct bpos, int); +bool __bch2_bucket_nocow_trylock(struct nocow_lock_bucket *, u64, int); void __bch2_bucket_nocow_lock(struct bucket_nocow_lock_table *, struct nocow_lock_bucket *, u64, int); @@ -32,6 +33,15 @@ static inline void bch2_bucket_nocow_lock(struct bucket_nocow_lock_table *t, __bch2_bucket_nocow_lock(t, l, dev_bucket, flags); } +static inline bool bch2_bucket_nocow_trylock(struct bucket_nocow_lock_table *t, + struct bpos bucket, int flags) +{ + u64 dev_bucket = bucket_to_u64(bucket); + struct nocow_lock_bucket *l = bucket_nocow_lock(t, dev_bucket); + + return __bch2_bucket_nocow_trylock(l, dev_bucket, flags); +} + void bch2_nocow_locks_to_text(struct printbuf *, struct bucket_nocow_lock_table *); int bch2_fs_nocow_locking_init(struct bch_fs *); |