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Searched refs:rw_semaphore (Results 1 – 25 of 232) sorted by relevance

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/linux-6.15/include/linux/
H A Drwsem.h48 struct rw_semaphore { struct
73 static inline int rwsem_is_locked(struct rw_semaphore *sem) in rwsem_is_locked() argument
112 struct rw_semaphore name = __RWSEM_INITIALIZER(name)
139 struct rw_semaphore { struct
211 extern void down_read(struct rw_semaphore *sem);
218 extern int down_read_trylock(struct rw_semaphore *sem);
223 extern void down_write(struct rw_semaphore *sem);
229 extern int down_write_trylock(struct rw_semaphore *sem);
234 extern void up_read(struct rw_semaphore *sem);
239 extern void up_write(struct rw_semaphore *sem);
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/linux-6.15/kernel/locking/
H A Drwsem.c745 rwsem_spin_on_owner(struct rw_semaphore *sem) in rwsem_spin_on_owner()
959 rwsem_spin_on_owner(struct rw_semaphore *sem) in rwsem_spin_on_owner()
993 static struct rw_semaphore __sched *
1104 static struct rw_semaphore __sched *
1201 static struct rw_semaphore *rwsem_wake(struct rw_semaphore *sem) in rwsem_wake()
1222 static struct rw_semaphore *rwsem_downgrade_wake(struct rw_semaphore *sem) in rwsem_downgrade_wake()
1521 void __sched down_read(struct rw_semaphore *sem) in down_read()
1561 int down_read_trylock(struct rw_semaphore *sem) in down_read_trylock()
1617 void up_read(struct rw_semaphore *sem) in up_read()
1627 void up_write(struct rw_semaphore *sem) in up_write()
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/linux-6.15/tools/perf/util/
H A Drwsem.h13 struct rw_semaphore { struct
21 int init_rwsem(struct rw_semaphore *sem); argument
22 int exit_rwsem(struct rw_semaphore *sem);
24 int down_read(struct rw_semaphore *sem);
25 int up_read(struct rw_semaphore *sem);
27 int down_write(struct rw_semaphore *sem);
28 int up_write(struct rw_semaphore *sem);
H A Drwsem.c9 int init_rwsem(struct rw_semaphore *sem) in init_rwsem()
19 int exit_rwsem(struct rw_semaphore *sem) in exit_rwsem()
29 int down_read(struct rw_semaphore *sem) in down_read()
39 int up_read(struct rw_semaphore *sem) in up_read()
49 int down_write(struct rw_semaphore *sem) in down_write()
59 int up_write(struct rw_semaphore *sem) in up_write()
H A Dthread.h52 struct rw_semaphore namespaces_lock; in DECLARE_RC_STRUCT()
54 struct rw_semaphore comm_lock; in DECLARE_RC_STRUCT()
234 static inline struct rw_semaphore *thread__namespaces_lock(struct thread *thread) in thread__namespaces_lock()
244 static inline struct rw_semaphore *thread__comm_lock(struct thread *thread) in thread__comm_lock()
H A Denv.h112 struct rw_semaphore lock;
121 struct rw_semaphore lock;
/linux-6.15/tools/include/linux/
H A Drwsem.h7 struct rw_semaphore { struct
11 static inline int init_rwsem(struct rw_semaphore *sem) in init_rwsem() argument
16 static inline int exit_rwsem(struct rw_semaphore *sem) in exit_rwsem()
21 static inline int down_read(struct rw_semaphore *sem) in down_read()
26 static inline int up_read(struct rw_semaphore *sem) in up_read()
31 static inline int down_write(struct rw_semaphore *sem) in down_write()
36 static inline int up_write(struct rw_semaphore *sem) in up_write()
/linux-6.15/drivers/usb/gadget/function/
H A Dstorage_common.h206 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,
222 ssize_t fsg_store_forced_eject(struct fsg_lun *curlun, struct rw_semaphore *filesem,
H A Dstorage_common.c333 ssize_t fsg_show_file(struct fsg_lun *curlun, struct rw_semaphore *filesem, in fsg_show_file()
394 ssize_t fsg_store_ro(struct fsg_lun *curlun, struct rw_semaphore *filesem, in fsg_store_ro()
437 ssize_t fsg_store_file(struct fsg_lun *curlun, struct rw_semaphore *filesem, in fsg_store_file()
468 ssize_t fsg_store_cdrom(struct fsg_lun *curlun, struct rw_semaphore *filesem, in fsg_store_cdrom()
525 ssize_t fsg_store_forced_eject(struct fsg_lun *curlun, struct rw_semaphore *filesem, in fsg_store_forced_eject()
/linux-6.15/kernel/
H A Dkcmp.c73 static void kcmp_unlock(struct rw_semaphore *l1, struct rw_semaphore *l2) in kcmp_unlock()
80 static int kcmp_lock(struct rw_semaphore *l1, struct rw_semaphore *l2) in kcmp_lock()
/linux-6.15/lib/
H A Dtest_lockup.c187 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()
499 offsetof(struct rw_semaphore, rwbase.rtmutex.wait_lock.magic), in test_lockup_init()
513 offsetof(struct rw_semaphore, wait_lock.magic), in test_lockup_init()
/linux-6.15/fs/kernfs/
H A Dkernfs-internal.h51 struct rw_semaphore kernfs_rwsem;
52 struct rw_semaphore kernfs_iattr_rwsem;
53 struct rw_semaphore kernfs_supers_rwsem;
/linux-6.15/drivers/net/wireguard/
H A Dcookie.h19 struct rw_semaphore secret_lock;
31 struct rw_semaphore lock;
H A Dnoise.h53 struct rw_semaphore lock;
89 struct rw_semaphore lock;
/linux-6.15/fs/jffs2/
H A Djffs2_fs_sb.h135 struct rw_semaphore wbuf_sem; /* Protects the write buffer */
155 struct rw_semaphore xattr_sem;
/linux-6.15/fs/ocfs2/
H A Dinode.h25 struct rw_semaphore ip_alloc_sem;
28 struct rw_semaphore ip_xattr_sem;
/linux-6.15/tools/perf/util/bpf_skel/vmlinux/
H A Dvmlinux.h70 struct rw_semaphore { struct
97 struct rw_semaphore mmap_lock;
/linux-6.15/drivers/cxl/core/
H A Dcore.h99 extern struct rw_semaphore cxl_dpa_rwsem;
100 extern struct rw_semaphore cxl_region_rwsem;
/linux-6.15/drivers/gpu/drm/xe/
H A Dxe_hw_engine_group_types.h46 struct rw_semaphore mode_sem;
H A Dxe_vm_types.h210 struct rw_semaphore lock;
250 struct rw_semaphore notifier_lock;
/linux-6.15/fs/jfs/
H A Djfs_incore.h56 struct rw_semaphore rdwrlock;
65 struct rw_semaphore xattr_sem;
/linux-6.15/arch/powerpc/include/asm/
H A Ddtl.h38 extern struct rw_semaphore dtl_access_lock;
/linux-6.15/fs/smb/server/
H A Dconnection.h54 struct rw_semaphore session_lock;
147 extern struct rw_semaphore conn_list_lock;
/linux-6.15/include/sound/
H A Dseq_virmidi.h50 struct rw_semaphore filelist_sem;
/linux-6.15/drivers/leds/
H A Dleds.h31 extern struct rw_semaphore leds_list_lock;

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