diff options
Diffstat (limited to 'c_src/libbcachefs/nocow_locking.h')
-rw-r--r-- | c_src/libbcachefs/nocow_locking.h | 50 |
1 files changed, 0 insertions, 50 deletions
diff --git a/c_src/libbcachefs/nocow_locking.h b/c_src/libbcachefs/nocow_locking.h deleted file mode 100644 index f9d6a426..00000000 --- a/c_src/libbcachefs/nocow_locking.h +++ /dev/null @@ -1,50 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -#ifndef _BCACHEFS_NOCOW_LOCKING_H -#define _BCACHEFS_NOCOW_LOCKING_H - -#include "bcachefs.h" -#include "alloc_background.h" -#include "nocow_locking_types.h" - -#include <linux/hash.h> - -static inline struct nocow_lock_bucket *bucket_nocow_lock(struct bucket_nocow_lock_table *t, - u64 dev_bucket) -{ - unsigned h = hash_64(dev_bucket, BUCKET_NOCOW_LOCKS_BITS); - - return t->l + (h & (BUCKET_NOCOW_LOCKS - 1)); -} - -#define BUCKET_NOCOW_LOCK_UPDATE (1 << 0) - -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); - -static inline void bch2_bucket_nocow_lock(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); - - __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 *); - -void bch2_fs_nocow_locking_exit(struct bch_fs *); -int bch2_fs_nocow_locking_init(struct bch_fs *); - -#endif /* _BCACHEFS_NOCOW_LOCKING_H */ |