Lines Matching refs:fl
71 #define IS_POSIX(fl) (fl->fl_flags & FL_POSIX) argument
72 #define IS_FLOCK(fl) (fl->fl_flags & FL_FLOCK) argument
73 #define IS_LEASE(fl) (fl->fl_flags & (FL_LEASE|FL_DELEG|FL_LAYOUT)) argument
74 #define IS_OFDLCK(fl) (fl->fl_flags & FL_OFDLCK) argument
75 #define IS_REMOTELCK(fl) (fl->fl_pid <= 0) argument
77 static bool lease_breaking(struct file_lock *fl) in lease_breaking() argument
79 return fl->fl_flags & (FL_UNLOCK_PENDING | FL_DOWNGRADE_PENDING); in lease_breaking()
82 static int target_leasetype(struct file_lock *fl) in target_leasetype() argument
84 if (fl->fl_flags & FL_UNLOCK_PENDING) in target_leasetype()
86 if (fl->fl_flags & FL_DOWNGRADE_PENDING) in target_leasetype()
88 return fl->fl_type; in target_leasetype()
177 struct file_lock *fl; in locks_dump_ctx_list() local
179 list_for_each_entry(fl, list, fl_list) { in locks_dump_ctx_list()
180 …%p fl_flags=0x%x fl_type=0x%x fl_pid=%u\n", list_type, fl->fl_owner, fl->fl_flags, fl->fl_type, fl… in locks_dump_ctx_list()
205 struct file_lock *fl; in locks_check_ctx_file_list() local
208 list_for_each_entry(fl, list, fl_list) in locks_check_ctx_file_list()
209 if (fl->fl_file == filp) in locks_check_ctx_file_list()
214 fl->fl_owner, fl->fl_flags, fl->fl_type, fl->fl_pid); in locks_check_ctx_file_list()
228 static void locks_init_lock_heads(struct file_lock *fl) in locks_init_lock_heads() argument
230 INIT_HLIST_NODE(&fl->fl_link); in locks_init_lock_heads()
231 INIT_LIST_HEAD(&fl->fl_list); in locks_init_lock_heads()
232 INIT_LIST_HEAD(&fl->fl_blocked_requests); in locks_init_lock_heads()
233 INIT_LIST_HEAD(&fl->fl_blocked_member); in locks_init_lock_heads()
234 init_waitqueue_head(&fl->fl_wait); in locks_init_lock_heads()
240 struct file_lock *fl = kmem_cache_zalloc(filelock_cache, GFP_KERNEL); in locks_alloc_lock() local
242 if (fl) in locks_alloc_lock()
243 locks_init_lock_heads(fl); in locks_alloc_lock()
245 return fl; in locks_alloc_lock()
249 void locks_release_private(struct file_lock *fl) in locks_release_private() argument
251 BUG_ON(waitqueue_active(&fl->fl_wait)); in locks_release_private()
252 BUG_ON(!list_empty(&fl->fl_list)); in locks_release_private()
253 BUG_ON(!list_empty(&fl->fl_blocked_requests)); in locks_release_private()
254 BUG_ON(!list_empty(&fl->fl_blocked_member)); in locks_release_private()
255 BUG_ON(!hlist_unhashed(&fl->fl_link)); in locks_release_private()
257 if (fl->fl_ops) { in locks_release_private()
258 if (fl->fl_ops->fl_release_private) in locks_release_private()
259 fl->fl_ops->fl_release_private(fl); in locks_release_private()
260 fl->fl_ops = NULL; in locks_release_private()
263 if (fl->fl_lmops) { in locks_release_private()
264 if (fl->fl_lmops->lm_put_owner) { in locks_release_private()
265 fl->fl_lmops->lm_put_owner(fl->fl_owner); in locks_release_private()
266 fl->fl_owner = NULL; in locks_release_private()
268 fl->fl_lmops = NULL; in locks_release_private()
274 void locks_free_lock(struct file_lock *fl) in locks_free_lock() argument
276 locks_release_private(fl); in locks_free_lock()
277 kmem_cache_free(filelock_cache, fl); in locks_free_lock()
284 struct file_lock *fl; in locks_dispose_list() local
287 fl = list_first_entry(dispose, struct file_lock, fl_list); in locks_dispose_list()
288 list_del_init(&fl->fl_list); in locks_dispose_list()
289 locks_free_lock(fl); in locks_dispose_list()
293 void locks_init_lock(struct file_lock *fl) in locks_init_lock() argument
295 memset(fl, 0, sizeof(struct file_lock)); in locks_init_lock()
296 locks_init_lock_heads(fl); in locks_init_lock()
303 void locks_copy_conflock(struct file_lock *new, struct file_lock *fl) in locks_copy_conflock() argument
305 new->fl_owner = fl->fl_owner; in locks_copy_conflock()
306 new->fl_pid = fl->fl_pid; in locks_copy_conflock()
308 new->fl_flags = fl->fl_flags; in locks_copy_conflock()
309 new->fl_type = fl->fl_type; in locks_copy_conflock()
310 new->fl_start = fl->fl_start; in locks_copy_conflock()
311 new->fl_end = fl->fl_end; in locks_copy_conflock()
312 new->fl_lmops = fl->fl_lmops; in locks_copy_conflock()
315 if (fl->fl_lmops) { in locks_copy_conflock()
316 if (fl->fl_lmops->lm_get_owner) in locks_copy_conflock()
317 fl->fl_lmops->lm_get_owner(fl->fl_owner); in locks_copy_conflock()
322 void locks_copy_lock(struct file_lock *new, struct file_lock *fl) in locks_copy_lock() argument
327 locks_copy_conflock(new, fl); in locks_copy_lock()
329 new->fl_file = fl->fl_file; in locks_copy_lock()
330 new->fl_ops = fl->fl_ops; in locks_copy_lock()
332 if (fl->fl_ops) { in locks_copy_lock()
333 if (fl->fl_ops->fl_copy_lock) in locks_copy_lock()
334 fl->fl_ops->fl_copy_lock(new, fl); in locks_copy_lock()
339 static void locks_move_blocks(struct file_lock *new, struct file_lock *fl) in locks_move_blocks() argument
348 if (list_empty(&fl->fl_blocked_requests)) in locks_move_blocks()
351 list_splice_init(&fl->fl_blocked_requests, &new->fl_blocked_requests); in locks_move_blocks()
371 flock_make_lock(struct file *filp, unsigned int cmd, struct file_lock *fl) in flock_make_lock() argument
378 if (fl == NULL) { in flock_make_lock()
379 fl = locks_alloc_lock(); in flock_make_lock()
380 if (fl == NULL) in flock_make_lock()
383 locks_init_lock(fl); in flock_make_lock()
386 fl->fl_file = filp; in flock_make_lock()
387 fl->fl_owner = filp; in flock_make_lock()
388 fl->fl_pid = current->tgid; in flock_make_lock()
389 fl->fl_flags = FL_FLOCK; in flock_make_lock()
390 fl->fl_type = type; in flock_make_lock()
391 fl->fl_end = OFFSET_MAX; in flock_make_lock()
393 return fl; in flock_make_lock()
396 static int assign_type(struct file_lock *fl, long type) in assign_type() argument
402 fl->fl_type = type; in assign_type()
410 static int flock64_to_posix_lock(struct file *filp, struct file_lock *fl, in flock64_to_posix_lock() argument
415 fl->fl_start = 0; in flock64_to_posix_lock()
418 fl->fl_start = filp->f_pos; in flock64_to_posix_lock()
421 fl->fl_start = i_size_read(file_inode(filp)); in flock64_to_posix_lock()
426 if (l->l_start > OFFSET_MAX - fl->fl_start) in flock64_to_posix_lock()
428 fl->fl_start += l->l_start; in flock64_to_posix_lock()
429 if (fl->fl_start < 0) in flock64_to_posix_lock()
435 if (l->l_len - 1 > OFFSET_MAX - fl->fl_start) in flock64_to_posix_lock()
437 fl->fl_end = fl->fl_start + (l->l_len - 1); in flock64_to_posix_lock()
440 if (fl->fl_start + l->l_len < 0) in flock64_to_posix_lock()
442 fl->fl_end = fl->fl_start - 1; in flock64_to_posix_lock()
443 fl->fl_start += l->l_len; in flock64_to_posix_lock()
445 fl->fl_end = OFFSET_MAX; in flock64_to_posix_lock()
447 fl->fl_owner = current->files; in flock64_to_posix_lock()
448 fl->fl_pid = current->tgid; in flock64_to_posix_lock()
449 fl->fl_file = filp; in flock64_to_posix_lock()
450 fl->fl_flags = FL_POSIX; in flock64_to_posix_lock()
451 fl->fl_ops = NULL; in flock64_to_posix_lock()
452 fl->fl_lmops = NULL; in flock64_to_posix_lock()
454 return assign_type(fl, l->l_type); in flock64_to_posix_lock()
460 static int flock_to_posix_lock(struct file *filp, struct file_lock *fl, in flock_to_posix_lock() argument
470 return flock64_to_posix_lock(filp, fl, &ll); in flock_to_posix_lock()
475 lease_break_callback(struct file_lock *fl) in lease_break_callback() argument
477 kill_fasync(&fl->fl_fasync, SIGIO, POLL_MSG); in lease_break_callback()
482 lease_setup(struct file_lock *fl, void **priv) in lease_setup() argument
484 struct file *filp = fl->fl_file; in lease_setup()
492 if (!fasync_insert_entry(fa->fa_fd, filp, &fl->fl_fasync, fa)) in lease_setup()
507 static int lease_init(struct file *filp, long type, struct file_lock *fl) in lease_init() argument
509 if (assign_type(fl, type) != 0) in lease_init()
512 fl->fl_owner = filp; in lease_init()
513 fl->fl_pid = current->tgid; in lease_init()
515 fl->fl_file = filp; in lease_init()
516 fl->fl_flags = FL_LEASE; in lease_init()
517 fl->fl_start = 0; in lease_init()
518 fl->fl_end = OFFSET_MAX; in lease_init()
519 fl->fl_ops = NULL; in lease_init()
520 fl->fl_lmops = &lease_manager_ops; in lease_init()
527 struct file_lock *fl = locks_alloc_lock(); in lease_alloc() local
530 if (fl == NULL) in lease_alloc()
533 error = lease_init(filp, type, fl); in lease_alloc()
535 locks_free_lock(fl); in lease_alloc()
538 return fl; in lease_alloc()
558 static void locks_insert_global_locks(struct file_lock *fl) in locks_insert_global_locks() argument
565 fl->fl_link_cpu = smp_processor_id(); in locks_insert_global_locks()
566 hlist_add_head(&fl->fl_link, &fll->hlist); in locks_insert_global_locks()
571 static void locks_delete_global_locks(struct file_lock *fl) in locks_delete_global_locks() argument
582 if (hlist_unhashed(&fl->fl_link)) in locks_delete_global_locks()
585 fll = per_cpu_ptr(&file_lock_list, fl->fl_link_cpu); in locks_delete_global_locks()
587 hlist_del_init(&fl->fl_link); in locks_delete_global_locks()
592 posix_owner_key(struct file_lock *fl) in posix_owner_key() argument
594 return (unsigned long)fl->fl_owner; in posix_owner_key()
715 struct file_lock *fl; in __locks_insert_block() local
719 list_for_each_entry(fl, &blocker->fl_blocked_requests, fl_blocked_member) in __locks_insert_block()
720 if (conflict(fl, waiter)) { in __locks_insert_block()
721 blocker = fl; in __locks_insert_block()
770 locks_insert_lock_ctx(struct file_lock *fl, struct list_head *before) in locks_insert_lock_ctx() argument
772 list_add_tail(&fl->fl_list, before); in locks_insert_lock_ctx()
773 locks_insert_global_locks(fl); in locks_insert_lock_ctx()
777 locks_unlink_lock_ctx(struct file_lock *fl) in locks_unlink_lock_ctx() argument
779 locks_delete_global_locks(fl); in locks_unlink_lock_ctx()
780 list_del_init(&fl->fl_list); in locks_unlink_lock_ctx()
781 locks_wake_up_blocks(fl); in locks_unlink_lock_ctx()
785 locks_delete_lock_ctx(struct file_lock *fl, struct list_head *dispose) in locks_delete_lock_ctx() argument
787 locks_unlink_lock_ctx(fl); in locks_delete_lock_ctx()
789 list_add(&fl->fl_list, dispose); in locks_delete_lock_ctx()
791 locks_free_lock(fl); in locks_delete_lock_ctx()
842 posix_test_lock(struct file *filp, struct file_lock *fl) in posix_test_lock() argument
850 fl->fl_type = F_UNLCK; in posix_test_lock()
856 if (posix_locks_conflict(fl, cfl)) { in posix_test_lock()
857 locks_copy_conflock(fl, cfl); in posix_test_lock()
861 fl->fl_type = F_UNLCK; in posix_test_lock()
906 struct file_lock *fl; in what_owner_is_waiting_for() local
908 hash_for_each_possible(blocked_hash, fl, fl_link, posix_owner_key(block_fl)) { in what_owner_is_waiting_for()
909 if (posix_same_owner(fl, block_fl)) { in what_owner_is_waiting_for()
910 while (fl->fl_blocker) in what_owner_is_waiting_for()
911 fl = fl->fl_blocker; in what_owner_is_waiting_for()
912 return fl; in what_owner_is_waiting_for()
952 struct file_lock *fl; in flock_lock_inode() local
976 list_for_each_entry(fl, &ctx->flc_flock, fl_list) { in flock_lock_inode()
977 if (request->fl_file != fl->fl_file) in flock_lock_inode()
979 if (request->fl_type == fl->fl_type) in flock_lock_inode()
982 locks_delete_lock_ctx(fl, &dispose); in flock_lock_inode()
993 list_for_each_entry(fl, &ctx->flc_flock, fl_list) { in flock_lock_inode()
994 if (!flock_locks_conflict(request, fl)) in flock_lock_inode()
1000 locks_insert_block(fl, request, flock_locks_conflict); in flock_lock_inode()
1024 struct file_lock *fl, *tmp; in posix_lock_inode() local
1059 list_for_each_entry(fl, &ctx->flc_posix, fl_list) { in posix_lock_inode()
1060 if (!posix_locks_conflict(request, fl)) in posix_lock_inode()
1063 locks_copy_conflock(conflock, fl); in posix_lock_inode()
1078 if (likely(!posix_locks_deadlock(request, fl))) { in posix_lock_inode()
1080 __locks_insert_block(fl, request, in posix_lock_inode()
1094 list_for_each_entry(fl, &ctx->flc_posix, fl_list) { in posix_lock_inode()
1095 if (posix_same_owner(request, fl)) in posix_lock_inode()
1100 list_for_each_entry_safe_from(fl, tmp, &ctx->flc_posix, fl_list) { in posix_lock_inode()
1101 if (!posix_same_owner(request, fl)) in posix_lock_inode()
1105 if (request->fl_type == fl->fl_type) { in posix_lock_inode()
1110 if (fl->fl_end < request->fl_start - 1) in posix_lock_inode()
1115 if (fl->fl_start - 1 > request->fl_end) in posix_lock_inode()
1123 if (fl->fl_start > request->fl_start) in posix_lock_inode()
1124 fl->fl_start = request->fl_start; in posix_lock_inode()
1126 request->fl_start = fl->fl_start; in posix_lock_inode()
1127 if (fl->fl_end < request->fl_end) in posix_lock_inode()
1128 fl->fl_end = request->fl_end; in posix_lock_inode()
1130 request->fl_end = fl->fl_end; in posix_lock_inode()
1132 locks_delete_lock_ctx(fl, &dispose); in posix_lock_inode()
1135 request = fl; in posix_lock_inode()
1141 if (fl->fl_end < request->fl_start) in posix_lock_inode()
1143 if (fl->fl_start > request->fl_end) in posix_lock_inode()
1147 if (fl->fl_start < request->fl_start) in posix_lock_inode()
1148 left = fl; in posix_lock_inode()
1152 if (fl->fl_end > request->fl_end) { in posix_lock_inode()
1153 right = fl; in posix_lock_inode()
1156 if (fl->fl_start >= request->fl_start) { in posix_lock_inode()
1161 locks_delete_lock_ctx(fl, &dispose); in posix_lock_inode()
1178 locks_insert_lock_ctx(request, &fl->fl_list); in posix_lock_inode()
1179 locks_delete_lock_ctx(fl, &dispose); in posix_lock_inode()
1208 locks_insert_lock_ctx(new_fl, &fl->fl_list); in posix_lock_inode()
1209 fl = new_fl; in posix_lock_inode()
1220 locks_insert_lock_ctx(left, &fl->fl_list); in posix_lock_inode()
1259 int posix_lock_file(struct file *filp, struct file_lock *fl, in posix_lock_file() argument
1262 return posix_lock_inode(locks_inode(filp), fl, conflock); in posix_lock_file()
1273 static int posix_lock_inode_wait(struct inode *inode, struct file_lock *fl) in posix_lock_inode_wait() argument
1278 error = posix_lock_inode(inode, fl, NULL); in posix_lock_inode_wait()
1281 error = wait_event_interruptible(fl->fl_wait, in posix_lock_inode_wait()
1282 list_empty(&fl->fl_blocked_member)); in posix_lock_inode_wait()
1286 locks_delete_block(fl); in posix_lock_inode_wait()
1290 static void lease_clear_pending(struct file_lock *fl, int arg) in lease_clear_pending() argument
1294 fl->fl_flags &= ~FL_UNLOCK_PENDING; in lease_clear_pending()
1297 fl->fl_flags &= ~FL_DOWNGRADE_PENDING; in lease_clear_pending()
1302 int lease_modify(struct file_lock *fl, int arg, struct list_head *dispose) in lease_modify() argument
1304 int error = assign_type(fl, arg); in lease_modify()
1308 lease_clear_pending(fl, arg); in lease_modify()
1309 locks_wake_up_blocks(fl); in lease_modify()
1311 struct file *filp = fl->fl_file; in lease_modify()
1315 fasync_helper(0, fl->fl_file, 0, &fl->fl_fasync); in lease_modify()
1316 if (fl->fl_fasync != NULL) { in lease_modify()
1317 printk(KERN_ERR "locks_delete_lock: fasync == %p\n", fl->fl_fasync); in lease_modify()
1318 fl->fl_fasync = NULL; in lease_modify()
1320 locks_delete_lock_ctx(fl, dispose); in lease_modify()
1337 struct file_lock *fl, *tmp; in time_out_leases() local
1341 list_for_each_entry_safe(fl, tmp, &ctx->flc_lease, fl_list) { in time_out_leases()
1342 trace_time_out_leases(inode, fl); in time_out_leases()
1343 if (past_time(fl->fl_downgrade_time)) in time_out_leases()
1344 lease_modify(fl, F_RDLCK, dispose); in time_out_leases()
1345 if (past_time(fl->fl_break_time)) in time_out_leases()
1346 lease_modify(fl, F_UNLCK, dispose); in time_out_leases()
1376 struct file_lock *fl; in any_leases_conflict() local
1380 list_for_each_entry(fl, &ctx->flc_lease, fl_list) { in any_leases_conflict()
1381 if (leases_conflict(fl, breaker)) in any_leases_conflict()
1404 struct file_lock *new_fl, *fl, *tmp; in __break_lease() local
1436 list_for_each_entry_safe(fl, tmp, &ctx->flc_lease, fl_list) { in __break_lease()
1437 if (!leases_conflict(fl, new_fl)) in __break_lease()
1440 if (fl->fl_flags & FL_UNLOCK_PENDING) in __break_lease()
1442 fl->fl_flags |= FL_UNLOCK_PENDING; in __break_lease()
1443 fl->fl_break_time = break_time; in __break_lease()
1445 if (lease_breaking(fl)) in __break_lease()
1447 fl->fl_flags |= FL_DOWNGRADE_PENDING; in __break_lease()
1448 fl->fl_downgrade_time = break_time; in __break_lease()
1450 if (fl->fl_lmops->lm_break(fl)) in __break_lease()
1451 locks_delete_lock_ctx(fl, &dispose); in __break_lease()
1464 fl = list_first_entry(&ctx->flc_lease, struct file_lock, fl_list); in __break_lease()
1465 break_time = fl->fl_break_time; in __break_lease()
1470 locks_insert_block(fl, new_fl, leases_conflict); in __break_lease()
1518 struct file_lock *fl; in lease_get_mtime() local
1523 fl = list_first_entry_or_null(&ctx->flc_lease, in lease_get_mtime()
1525 if (fl && (fl->fl_type == F_WRLCK)) in lease_get_mtime()
1560 struct file_lock *fl; in fcntl_getlease() local
1571 list_for_each_entry(fl, &ctx->flc_lease, fl_list) { in fcntl_getlease()
1572 if (fl->fl_file != filp) in fcntl_getlease()
1574 type = target_leasetype(fl); in fcntl_getlease()
1634 struct file_lock *fl, *my_fl = NULL, *lease; in generic_add_lease() local
1683 list_for_each_entry(fl, &ctx->flc_lease, fl_list) { in generic_add_lease()
1684 if (fl->fl_file == filp && in generic_add_lease()
1685 fl->fl_owner == lease->fl_owner) { in generic_add_lease()
1686 my_fl = fl; in generic_add_lease()
1700 if (fl->fl_flags & FL_UNLOCK_PENDING) in generic_add_lease()
1750 struct file_lock *fl, *victim = NULL; in generic_delete_lease() local
1763 list_for_each_entry(fl, &ctx->flc_lease, fl_list) { in generic_delete_lease()
1764 if (fl->fl_file == filp && in generic_delete_lease()
1765 fl->fl_owner == owner) { in generic_delete_lease()
1766 victim = fl; in generic_delete_lease()
1772 error = fl->fl_lmops->lm_change(victim, F_UNLCK, &dispose); in generic_delete_lease()
1910 struct file_lock *fl; in do_fcntl_add_lease() local
1914 fl = lease_alloc(filp, arg); in do_fcntl_add_lease()
1915 if (IS_ERR(fl)) in do_fcntl_add_lease()
1916 return PTR_ERR(fl); in do_fcntl_add_lease()
1920 locks_free_lock(fl); in do_fcntl_add_lease()
1925 error = vfs_setlease(filp, arg, &fl, (void **)&new); in do_fcntl_add_lease()
1926 if (fl) in do_fcntl_add_lease()
1927 locks_free_lock(fl); in do_fcntl_add_lease()
1957 static int flock_lock_inode_wait(struct inode *inode, struct file_lock *fl) in flock_lock_inode_wait() argument
1962 error = flock_lock_inode(inode, fl); in flock_lock_inode_wait()
1965 error = wait_event_interruptible(fl->fl_wait, in flock_lock_inode_wait()
1966 list_empty(&fl->fl_blocked_member)); in flock_lock_inode_wait()
1970 locks_delete_block(fl); in flock_lock_inode_wait()
1981 int locks_lock_inode_wait(struct inode *inode, struct file_lock *fl) in locks_lock_inode_wait() argument
1984 switch (fl->fl_flags & (FL_POSIX|FL_FLOCK)) { in locks_lock_inode_wait()
1986 res = posix_lock_inode_wait(inode, fl); in locks_lock_inode_wait()
1989 res = flock_lock_inode_wait(inode, fl); in locks_lock_inode_wait()
2082 int vfs_test_lock(struct file *filp, struct file_lock *fl) in vfs_test_lock() argument
2085 return filp->f_op->lock(filp, F_GETLK, fl); in vfs_test_lock()
2086 posix_test_lock(filp, fl); in vfs_test_lock()
2098 static pid_t locks_translate_pid(struct file_lock *fl, struct pid_namespace *ns) in locks_translate_pid() argument
2103 if (IS_OFDLCK(fl)) in locks_translate_pid()
2105 if (IS_REMOTELCK(fl)) in locks_translate_pid()
2106 return fl->fl_pid; in locks_translate_pid()
2113 return (pid_t)fl->fl_pid; in locks_translate_pid()
2116 pid = find_pid_ns(fl->fl_pid, &init_pid_ns); in locks_translate_pid()
2122 static int posix_lock_to_flock(struct flock *flock, struct file_lock *fl) in posix_lock_to_flock() argument
2124 flock->l_pid = locks_translate_pid(fl, task_active_pid_ns(current)); in posix_lock_to_flock()
2130 if (fl->fl_start > OFFT_OFFSET_MAX) in posix_lock_to_flock()
2132 if (fl->fl_end != OFFSET_MAX && fl->fl_end > OFFT_OFFSET_MAX) in posix_lock_to_flock()
2135 flock->l_start = fl->fl_start; in posix_lock_to_flock()
2136 flock->l_len = fl->fl_end == OFFSET_MAX ? 0 : in posix_lock_to_flock()
2137 fl->fl_end - fl->fl_start + 1; in posix_lock_to_flock()
2139 flock->l_type = fl->fl_type; in posix_lock_to_flock()
2144 static void posix_lock_to_flock64(struct flock64 *flock, struct file_lock *fl) in posix_lock_to_flock64() argument
2146 flock->l_pid = locks_translate_pid(fl, task_active_pid_ns(current)); in posix_lock_to_flock64()
2147 flock->l_start = fl->fl_start; in posix_lock_to_flock64()
2148 flock->l_len = fl->fl_end == OFFSET_MAX ? 0 : in posix_lock_to_flock64()
2149 fl->fl_end - fl->fl_start + 1; in posix_lock_to_flock64()
2151 flock->l_type = fl->fl_type; in posix_lock_to_flock64()
2160 struct file_lock *fl; in fcntl_getlk() local
2163 fl = locks_alloc_lock(); in fcntl_getlk()
2164 if (fl == NULL) in fcntl_getlk()
2170 error = flock_to_posix_lock(filp, fl, flock); in fcntl_getlk()
2179 fl->fl_flags |= FL_OFDLCK; in fcntl_getlk()
2180 fl->fl_owner = filp; in fcntl_getlk()
2183 error = vfs_test_lock(filp, fl); in fcntl_getlk()
2187 flock->l_type = fl->fl_type; in fcntl_getlk()
2188 if (fl->fl_type != F_UNLCK) { in fcntl_getlk()
2189 error = posix_lock_to_flock(flock, fl); in fcntl_getlk()
2194 locks_free_lock(fl); in fcntl_getlk()
2231 int vfs_lock_file(struct file *filp, unsigned int cmd, struct file_lock *fl, struct file_lock *conf) in vfs_lock_file() argument
2234 return filp->f_op->lock(filp, cmd, fl); in vfs_lock_file()
2236 return posix_lock_file(filp, fl, conf); in vfs_lock_file()
2241 struct file_lock *fl) in do_lock_file_wait() argument
2245 error = security_file_lock(filp, fl->fl_type); in do_lock_file_wait()
2250 error = vfs_lock_file(filp, cmd, fl, NULL); in do_lock_file_wait()
2253 error = wait_event_interruptible(fl->fl_wait, in do_lock_file_wait()
2254 list_empty(&fl->fl_blocked_member)); in do_lock_file_wait()
2258 locks_delete_block(fl); in do_lock_file_wait()
2265 check_fmode_for_setlk(struct file_lock *fl) in check_fmode_for_setlk() argument
2267 switch (fl->fl_type) { in check_fmode_for_setlk()
2269 if (!(fl->fl_file->f_mode & FMODE_READ)) in check_fmode_for_setlk()
2273 if (!(fl->fl_file->f_mode & FMODE_WRITE)) in check_fmode_for_setlk()
2365 struct file_lock *fl; in fcntl_getlk64() local
2368 fl = locks_alloc_lock(); in fcntl_getlk64()
2369 if (fl == NULL) in fcntl_getlk64()
2376 error = flock64_to_posix_lock(filp, fl, flock); in fcntl_getlk64()
2386 fl->fl_flags |= FL_OFDLCK; in fcntl_getlk64()
2387 fl->fl_owner = filp; in fcntl_getlk64()
2390 error = vfs_test_lock(filp, fl); in fcntl_getlk64()
2394 flock->l_type = fl->fl_type; in fcntl_getlk64()
2395 if (fl->fl_type != F_UNLCK) in fcntl_getlk64()
2396 posix_lock_to_flock64(flock, fl); in fcntl_getlk64()
2399 locks_free_lock(fl); in fcntl_getlk64()
2526 struct file_lock fl; in locks_remove_flock() local
2532 flock_make_lock(filp, LOCK_UN, &fl); in locks_remove_flock()
2533 fl.fl_flags |= FL_CLOSE; in locks_remove_flock()
2536 filp->f_op->flock(filp, F_SETLKW, &fl); in locks_remove_flock()
2538 flock_lock_inode(inode, &fl); in locks_remove_flock()
2540 if (fl.fl_ops && fl.fl_ops->fl_release_private) in locks_remove_flock()
2541 fl.fl_ops->fl_release_private(&fl); in locks_remove_flock()
2548 struct file_lock *fl, *tmp; in locks_remove_lease() local
2556 list_for_each_entry_safe(fl, tmp, &ctx->flc_lease, fl_list) in locks_remove_lease()
2557 if (filp == fl->fl_file) in locks_remove_lease()
2558 lease_modify(fl, F_UNLCK, &dispose); in locks_remove_lease()
2599 int vfs_cancel_lock(struct file *filp, struct file_lock *fl) in vfs_cancel_lock() argument
2602 return filp->f_op->lock(filp, F_CANCELLK, fl); in vfs_cancel_lock()
2616 static void lock_get_status(struct seq_file *f, struct file_lock *fl, in lock_get_status() argument
2624 fl_pid = locks_translate_pid(fl, proc_pidns); in lock_get_status()
2631 if (fl->fl_file != NULL) in lock_get_status()
2632 inode = locks_inode(fl->fl_file); in lock_get_status()
2639 if (IS_POSIX(fl)) { in lock_get_status()
2640 if (fl->fl_flags & FL_ACCESS) in lock_get_status()
2642 else if (IS_OFDLCK(fl)) in lock_get_status()
2649 } else if (IS_FLOCK(fl)) { in lock_get_status()
2651 } else if (IS_LEASE(fl)) { in lock_get_status()
2652 if (fl->fl_flags & FL_DELEG) in lock_get_status()
2657 if (lease_breaking(fl)) in lock_get_status()
2659 else if (fl->fl_file) in lock_get_status()
2666 type = IS_LEASE(fl) ? target_leasetype(fl) : fl->fl_type; in lock_get_status()
2678 if (IS_POSIX(fl)) { in lock_get_status()
2679 if (fl->fl_end == OFFSET_MAX) in lock_get_status()
2680 seq_printf(f, "%Ld EOF\n", fl->fl_start); in lock_get_status()
2682 seq_printf(f, "%Ld %Ld\n", fl->fl_start, fl->fl_end); in lock_get_status()
2754 struct file_lock *fl; in __show_fd_locks() local
2756 list_for_each_entry(fl, head, fl_list) { in __show_fd_locks()
2758 if (filp != fl->fl_file) in __show_fd_locks()
2760 if (fl->fl_owner != files && in __show_fd_locks()
2761 fl->fl_owner != filp) in __show_fd_locks()
2766 lock_get_status(f, fl, *id, "", 0); in __show_fd_locks()