| /OK3568_Linux_fs/kernel/include/linux/ |
| H A D | rwsem.h | 36 struct rw_semaphore { struct
73 static inline int rwsem_is_locked(struct rw_semaphore *sem) in rwsem_is_locked() argument
115 struct rw_semaphore name = __RWSEM_INITIALIZER(name)
117 extern void __init_rwsem(struct rw_semaphore *sem, const char *name,
133 static inline int rwsem_is_contended(struct rw_semaphore *sem) in rwsem_is_contended()
141 extern void down_read(struct rw_semaphore *sem);
142 extern int __must_check down_read_interruptible(struct rw_semaphore *sem);
143 extern int __must_check down_read_killable(struct rw_semaphore *sem);
148 extern int down_read_trylock(struct rw_semaphore *sem);
153 extern void down_write(struct rw_semaphore *sem);
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| H A D | rtnetlink.h | 41 extern struct rw_semaphore pernet_ops_rwsem;
42 extern struct rw_semaphore net_rwsem;
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| /OK3568_Linux_fs/kernel/kernel/locking/ |
| H A D | rwsem.c | 176 static inline void rwsem_set_owner(struct rw_semaphore *sem) in rwsem_set_owner()
182 static inline void rwsem_clear_owner(struct rw_semaphore *sem) in rwsem_clear_owner()
190 static inline bool rwsem_test_oflags(struct rw_semaphore *sem, long flags) in rwsem_test_oflags()
205 static inline void __rwsem_set_reader_owned(struct rw_semaphore *sem, in __rwsem_set_reader_owned()
214 static inline void rwsem_set_reader_owned(struct rw_semaphore *sem) in rwsem_set_reader_owned()
223 static inline bool is_rwsem_reader_owned(struct rw_semaphore *sem) in is_rwsem_reader_owned()
244 static inline void rwsem_clear_reader_owned(struct rw_semaphore *sem) in rwsem_clear_reader_owned()
255 static inline void rwsem_clear_reader_owned(struct rw_semaphore *sem) in rwsem_clear_reader_owned()
264 static inline void rwsem_set_nonspinnable(struct rw_semaphore *sem) in rwsem_set_nonspinnable()
277 static inline bool rwsem_read_trylock(struct rw_semaphore *sem) in rwsem_read_trylock()
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| /OK3568_Linux_fs/kernel/include/trace/hooks/ |
| H A D | rwsem.h | 14 struct rw_semaphore;
21 TP_PROTO(struct rw_semaphore *sem),
24 TP_PROTO(struct rw_semaphore *sem),
27 TP_PROTO(struct rw_semaphore *sem),
31 struct rw_semaphore *sem,
35 TP_PROTO(struct rw_semaphore *sem),
38 TP_PROTO(struct rw_semaphore *sem),
41 TP_PROTO(struct rw_semaphore *sem),
44 TP_PROTO(struct rw_semaphore *sem),
47 TP_PROTO(struct rw_semaphore *sem),
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| H A D | dtask.h | 17 struct rw_semaphore;
44 TP_PROTO(struct rw_semaphore *sem),
47 TP_PROTO(struct rw_semaphore *sem),
50 TP_PROTO(struct rw_semaphore *sem),
53 TP_PROTO(struct rw_semaphore *sem),
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| /OK3568_Linux_fs/kernel/tools/perf/util/ |
| H A D | rwsem.h | 6 struct rw_semaphore { struct
10 int init_rwsem(struct rw_semaphore *sem); argument
11 int exit_rwsem(struct rw_semaphore *sem);
13 int down_read(struct rw_semaphore *sem);
14 int up_read(struct rw_semaphore *sem);
16 int down_write(struct rw_semaphore *sem);
17 int up_write(struct rw_semaphore *sem);
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| H A D | rwsem.c | 5 int init_rwsem(struct rw_semaphore *sem) in init_rwsem()
10 int exit_rwsem(struct rw_semaphore *sem) in exit_rwsem()
15 int down_read(struct rw_semaphore *sem) in down_read()
20 int up_read(struct rw_semaphore *sem) in up_read()
25 int down_write(struct rw_semaphore *sem) in down_write()
30 int up_write(struct rw_semaphore *sem) in up_write()
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| H A D | env.h | 86 struct rw_semaphore lock;
95 struct rw_semaphore lock;
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| H A D | thread.h | 47 struct rw_semaphore namespaces_lock;
49 struct rw_semaphore comm_lock;
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| /OK3568_Linux_fs/kernel/kernel/ |
| H A D | kcmp.c | 78 static void kcmp_unlock(struct rw_semaphore *l1, struct rw_semaphore *l2) in kcmp_unlock()
85 static int kcmp_lock(struct rw_semaphore *l1, struct rw_semaphore *l2) in kcmp_lock()
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| /OK3568_Linux_fs/kernel/drivers/usb/gadget/function/ |
| H A D | storage_common.h | 206 ssize_t fsg_show_file(struct fsg_lun *curlun, struct rw_semaphore *filesem,
211 ssize_t fsg_store_ro(struct fsg_lun *curlun, struct rw_semaphore *filesem,
214 ssize_t fsg_store_file(struct fsg_lun *curlun, struct rw_semaphore *filesem,
216 ssize_t fsg_store_cdrom(struct fsg_lun *curlun, struct rw_semaphore *filesem,
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| H A D | storage_common.c | 332 ssize_t fsg_show_file(struct fsg_lun *curlun, struct rw_semaphore *filesem, in fsg_show_file()
393 ssize_t fsg_store_ro(struct fsg_lun *curlun, struct rw_semaphore *filesem, in fsg_store_ro()
436 ssize_t fsg_store_file(struct fsg_lun *curlun, struct rw_semaphore *filesem, in fsg_store_file()
467 ssize_t fsg_store_cdrom(struct fsg_lun *curlun, struct rw_semaphore *filesem, in fsg_store_cdrom()
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| /OK3568_Linux_fs/kernel/lib/ |
| H A D | test_lockup.c | 187 down_read((struct rw_semaphore *)lock_rwsem_ptr); in test_lock()
189 down_write((struct rw_semaphore *)lock_rwsem_ptr); in test_lock()
288 up_read((struct rw_semaphore *)lock_rwsem_ptr); in test_unlock()
290 up_write((struct rw_semaphore *)lock_rwsem_ptr); in test_unlock()
484 test_kernel_ptr(lock_rwsem_ptr, sizeof(struct rw_semaphore))) in test_lockup_init()
498 offsetof(struct rw_semaphore, wait_lock.magic), in test_lockup_init()
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| /OK3568_Linux_fs/kernel/drivers/net/wireguard/ |
| H A D | cookie.h | 19 struct rw_semaphore secret_lock;
31 struct rw_semaphore lock;
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| H A D | noise.h | 53 struct rw_semaphore lock;
89 struct rw_semaphore lock;
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| /OK3568_Linux_fs/kernel/fs/jffs2/ |
| H A D | jffs2_fs_sb.h | 135 struct rw_semaphore wbuf_sem; /* Protects the write buffer */
155 struct rw_semaphore xattr_sem;
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| /OK3568_Linux_fs/kernel/fs/ntfs/ |
| H A D | volume.h | 85 struct rw_semaphore mftbmp_lock; /* Lock for serializing accesses to the
95 struct rw_semaphore lcnbmp_lock; /* Lock for serializing accesses to the
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| /OK3568_Linux_fs/kernel/fs/ocfs2/ |
| H A D | inode.h | 27 struct rw_semaphore ip_alloc_sem;
30 struct rw_semaphore ip_xattr_sem;
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| /OK3568_Linux_fs/kernel/fs/jfs/ |
| H A D | jfs_incore.h | 56 struct rw_semaphore rdwrlock;
65 struct rw_semaphore xattr_sem;
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| /OK3568_Linux_fs/u-boot/drivers/mtd/ubi/ |
| H A D | ubi.h | 201 struct rw_semaphore mutex;
568 struct rw_semaphore fm_eba_sem;
569 struct rw_semaphore fm_protect;
587 struct rw_semaphore work_sem;
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| /OK3568_Linux_fs/kernel/drivers/mtd/ubi/ |
| H A D | ubi.h | 206 struct rw_semaphore mutex;
597 struct rw_semaphore fm_eba_sem;
598 struct rw_semaphore fm_protect;
617 struct rw_semaphore work_sem;
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| /OK3568_Linux_fs/kernel/Documentation/locking/ |
| H A D | locktypes.rst | 42 - rw_semaphore
132 rw_semaphore chapter
135 rw_semaphore is a multiple readers and single writer lock mechanism.
140 rw_semaphore complies by default with the strict owner semantics, but there
144 rw_semaphore and PREEMPT_RT
147 PREEMPT_RT kernels map rw_semaphore to a separate rt_mutex-based
150 Because an rw_semaphore writer cannot grant its priority to multiple
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| /OK3568_Linux_fs/kernel/arch/x86/include/asm/ |
| H A D | mmu.h | 31 struct rw_semaphore ldt_usr_sem;
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| /OK3568_Linux_fs/kernel/fs/dlm/ |
| H A D | dlm_internal.h | 600 struct rw_semaphore ls_in_recovery; /* block local requests */
601 struct rw_semaphore ls_recv_active; /* block dlm_recv */
621 struct rw_semaphore ls_root_sem; /* protect root_list */
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| /OK3568_Linux_fs/kernel/include/sound/ |
| H A D | seq_virmidi.h | 50 struct rw_semaphore filelist_sem;
|