From f5baaf48e3e82b1caf9f5cd1207d4d6feba3a2e5 Mon Sep 17 00:00:00 2001 From: Thomas Bertschinger Date: Mon, 15 Jan 2024 23:41:02 -0700 Subject: move Rust sources to top level, C sources into c_src This moves the Rust sources out of rust_src/ and into the top level. Running the bcachefs executable out of the development tree is now: $ ./target/release/bcachefs command or $ cargo run --profile release -- command instead of "./bcachefs command". Building and installing is still: $ make && make install Signed-off-by: Thomas Bertschinger Signed-off-by: Kent Overstreet --- c_src/include/linux/percpu-rwsem.h | 58 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 58 insertions(+) create mode 100644 c_src/include/linux/percpu-rwsem.h (limited to 'c_src/include/linux/percpu-rwsem.h') diff --git a/c_src/include/linux/percpu-rwsem.h b/c_src/include/linux/percpu-rwsem.h new file mode 100644 index 00000000..153251c0 --- /dev/null +++ b/c_src/include/linux/percpu-rwsem.h @@ -0,0 +1,58 @@ + +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef _LINUX_PERCPU_RWSEM_H +#define _LINUX_PERCPU_RWSEM_H + +#include +#include + +struct percpu_rw_semaphore { + pthread_mutex_t lock; +}; + +static inline void percpu_down_read_preempt_disable(struct percpu_rw_semaphore *sem) +{ + pthread_mutex_lock(&sem->lock); +} + +static inline void percpu_down_read(struct percpu_rw_semaphore *sem) +{ + pthread_mutex_lock(&sem->lock); +} + +static inline int percpu_down_read_trylock(struct percpu_rw_semaphore *sem) +{ + return !pthread_mutex_trylock(&sem->lock); +} + +static inline void percpu_up_read_preempt_enable(struct percpu_rw_semaphore *sem) +{ + pthread_mutex_unlock(&sem->lock); +} + +static inline void percpu_up_read(struct percpu_rw_semaphore *sem) +{ + pthread_mutex_unlock(&sem->lock); +} + +static inline void percpu_down_write(struct percpu_rw_semaphore *sem) +{ + pthread_mutex_lock(&sem->lock); +} + +static inline void percpu_up_write(struct percpu_rw_semaphore *sem) +{ + pthread_mutex_unlock(&sem->lock); +} + +static inline void percpu_free_rwsem(struct percpu_rw_semaphore *sem) {} + +static inline int percpu_init_rwsem(struct percpu_rw_semaphore *sem) +{ + pthread_mutex_init(&sem->lock, NULL); + return 0; +} + +#define percpu_rwsem_assert_held(sem) do {} while (0) + +#endif -- cgit v1.2.3