Add helper wrappers for SRCU functions that are exposed to Rust through generated bindings.
Signed-off-by: Onur Özkan <[email protected]> --- include/linux/srcu.h | 5 +++++ rust/helpers/helpers.c | 1 + rust/helpers/srcu.c | 30 ++++++++++++++++++++++++++++++ 3 files changed, 36 insertions(+) create mode 100644 rust/helpers/srcu.c diff --git a/include/linux/srcu.h b/include/linux/srcu.h index 81b1938512d5..790a4ef713c0 100644 --- a/include/linux/srcu.h +++ b/include/linux/srcu.h @@ -57,6 +57,11 @@ int __init_srcu_struct_fast_updown(struct srcu_struct *ssp, const char *name, #else /* #ifdef CONFIG_DEBUG_LOCK_ALLOC */ int init_srcu_struct(struct srcu_struct *ssp); +static inline int __init_srcu_struct(struct srcu_struct *ssp, const char *name, + struct lock_class_key *key) +{ + return init_srcu_struct(ssp); +} #ifndef CONFIG_TINY_SRCU int init_srcu_struct_fast(struct srcu_struct *ssp); int init_srcu_struct_fast_updown(struct srcu_struct *ssp); diff --git a/rust/helpers/helpers.c b/rust/helpers/helpers.c index 625921e27dfb..f3562d3b3888 100644 --- a/rust/helpers/helpers.c +++ b/rust/helpers/helpers.c @@ -88,6 +88,7 @@ #include "signal.c" #include "slab.c" #include "spinlock.c" +#include "srcu.c" #include "sync.c" #include "task.c" #include "time.c" diff --git a/rust/helpers/srcu.c b/rust/helpers/srcu.c new file mode 100644 index 000000000000..225b3bf9334a --- /dev/null +++ b/rust/helpers/srcu.c @@ -0,0 +1,30 @@ +// SPDX-License-Identifier: GPL-2.0 + +#include <linux/srcu.h> + +__rust_helper int rust_helper_init_srcu_struct_with_key(struct srcu_struct *ssp, + const char *name, + struct lock_class_key *key) +{ + return __init_srcu_struct(ssp, name, key); +} + +__rust_helper int rust_helper_srcu_read_lock(struct srcu_struct *ssp) +{ + return srcu_read_lock(ssp); +} + +__rust_helper void rust_helper_srcu_read_unlock(struct srcu_struct *ssp, int idx) +{ + srcu_read_unlock(ssp, idx); +} + +__rust_helper void rust_helper_srcu_barrier(struct srcu_struct *ssp) +{ + srcu_barrier(ssp); +} + +__rust_helper void rust_helper_synchronize_srcu_expedited(struct srcu_struct *ssp) +{ + synchronize_srcu_expedited(ssp); +} -- 2.51.2
