diff options
author | Thomas Bertschinger <tahbertschinger@gmail.com> | 2024-01-15 23:41:02 -0700 |
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committer | Kent Overstreet <kent.overstreet@linux.dev> | 2024-01-16 01:47:05 -0500 |
commit | f5baaf48e3e82b1caf9f5cd1207d4d6feba3a2e5 (patch) | |
tree | 59f7b0e4667df7a9d3d5a45725f2aaab3e79b4c5 /c_src/include/linux/kobject.h | |
parent | fb35dbfdc5a9446fbb856dae5542b23963e28b89 (diff) |
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 <tahbertschinger@gmail.com>
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
Diffstat (limited to 'c_src/include/linux/kobject.h')
-rw-r--r-- | c_src/include/linux/kobject.h | 129 |
1 files changed, 129 insertions, 0 deletions
diff --git a/c_src/include/linux/kobject.h b/c_src/include/linux/kobject.h new file mode 100644 index 00000000..c33b2126 --- /dev/null +++ b/c_src/include/linux/kobject.h @@ -0,0 +1,129 @@ +/* + * kobject.h - generic kernel object infrastructure. + * + * Copyright (c) 2002-2003 Patrick Mochel + * Copyright (c) 2002-2003 Open Source Development Labs + * Copyright (c) 2006-2008 Greg Kroah-Hartman <greg@kroah.com> + * Copyright (c) 2006-2008 Novell Inc. + * + * This file is released under the GPLv2. + * + * Please read Documentation/kobject.txt before using the kobject + * interface, ESPECIALLY the parts about reference counts and object + * destructors. + */ + +#ifndef _KOBJECT_H_ +#define _KOBJECT_H_ + +#include <linux/atomic.h> +#include <linux/bug.h> +#include <linux/compiler.h> +#include <linux/kernel.h> +#include <linux/sysfs.h> +#include <linux/types.h> +#include <linux/workqueue.h> + +struct kset; + +struct kobj_type { + void (*release)(struct kobject *kobj); + const struct sysfs_ops *sysfs_ops; + const struct attribute_group **default_groups; + const struct kobj_ns_type_operations *(*child_ns_type)(struct kobject *kobj); + const void *(*namespace)(struct kobject *kobj); +}; + +struct kobj_uevent_env { +}; + +struct kobj_attribute { + struct attribute attr; + ssize_t (*show)(struct kobject *kobj, struct kobj_attribute *attr, + char *buf); + ssize_t (*store)(struct kobject *kobj, struct kobj_attribute *attr, + const char *buf, size_t count); +}; + +struct kobject { + struct kobject *parent; + struct kset *kset; + const struct kobj_type *ktype; + struct kernfs_node *sd; /* sysfs directory entry */ + atomic_t ref; + unsigned int state_initialized:1; + unsigned int state_in_sysfs:1; + unsigned int state_add_uevent_sent:1; + unsigned int state_remove_uevent_sent:1; + unsigned int uevent_suppress:1; +}; + +struct kset { + struct kobject kobj; +}; + +#define kobject_add(...) 0 + +static inline void kobject_init(struct kobject *kobj, const struct kobj_type *ktype) +{ + memset(kobj, 0, sizeof(*kobj)); + + atomic_set(&kobj->ref, 1); + kobj->ktype = ktype; + kobj->state_initialized = 1; +} + +static inline void kobject_del(struct kobject *kobj); + +static inline void kobject_cleanup(struct kobject *kobj) +{ + const struct kobj_type *t = kobj->ktype; + + /* remove from sysfs if the caller did not do it */ + if (kobj->state_in_sysfs) + kobject_del(kobj); + + if (t && t->release) + t->release(kobj); +} + +static inline void kobject_put(struct kobject *kobj) +{ + BUG_ON(!kobj); + BUG_ON(!kobj->state_initialized); + + if (atomic_dec_and_test(&kobj->ref)) + kobject_cleanup(kobj); +} + +static inline void kobject_del(struct kobject *kobj) +{ + if (!kobj) + return; + + kobj->state_in_sysfs = 0; +#if 0 + kobj_kset_leave(kobj); +#endif + kobject_put(kobj->parent); + kobj->parent = NULL; +} + +static inline struct kobject *kobject_get(struct kobject *kobj) +{ + BUG_ON(!kobj); + BUG_ON(!kobj->state_initialized); + + atomic_inc(&kobj->ref); + return kobj; +} + +static inline void kset_unregister(struct kset *kset) +{ + kfree(kset); +} + +#define kset_create_and_add(_name, _u, _parent) \ + ((struct kset *) kzalloc(sizeof(struct kset), GFP_KERNEL)) + +#endif /* _KOBJECT_H_ */ |