Lines Matching refs:fl
73 #define IS_POSIX(fl) (fl->fl_flags & FL_POSIX) argument
74 #define IS_FLOCK(fl) (fl->fl_flags & FL_FLOCK) argument
75 #define IS_LEASE(fl) (fl->fl_flags & (FL_LEASE|FL_DELEG|FL_LAYOUT)) argument
76 #define IS_OFDLCK(fl) (fl->fl_flags & FL_OFDLCK) argument
77 #define IS_REMOTELCK(fl) (fl->fl_pid <= 0) argument
79 static bool lease_breaking(struct file_lock *fl) in lease_breaking() argument
81 return fl->fl_flags & (FL_UNLOCK_PENDING | FL_DOWNGRADE_PENDING); in lease_breaking()
84 static int target_leasetype(struct file_lock *fl) in target_leasetype() argument
86 if (fl->fl_flags & FL_UNLOCK_PENDING) in target_leasetype()
88 if (fl->fl_flags & FL_DOWNGRADE_PENDING) in target_leasetype()
90 return fl->fl_type; in target_leasetype()
208 struct file_lock *fl; in locks_dump_ctx_list() local
210 list_for_each_entry(fl, list, fl_list) { in locks_dump_ctx_list()
211 …%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()
236 struct file_lock *fl; in locks_check_ctx_file_list() local
239 list_for_each_entry(fl, list, fl_list) in locks_check_ctx_file_list()
240 if (fl->fl_file == filp) in locks_check_ctx_file_list()
245 fl->fl_owner, fl->fl_flags, fl->fl_type, fl->fl_pid); in locks_check_ctx_file_list()
259 static void locks_init_lock_heads(struct file_lock *fl) in locks_init_lock_heads() argument
261 INIT_HLIST_NODE(&fl->fl_link); in locks_init_lock_heads()
262 INIT_LIST_HEAD(&fl->fl_list); in locks_init_lock_heads()
263 INIT_LIST_HEAD(&fl->fl_blocked_requests); in locks_init_lock_heads()
264 INIT_LIST_HEAD(&fl->fl_blocked_member); in locks_init_lock_heads()
265 init_waitqueue_head(&fl->fl_wait); in locks_init_lock_heads()
271 struct file_lock *fl = kmem_cache_zalloc(filelock_cache, GFP_KERNEL); in locks_alloc_lock() local
273 if (fl) in locks_alloc_lock()
274 locks_init_lock_heads(fl); in locks_alloc_lock()
276 return fl; in locks_alloc_lock()
280 void locks_release_private(struct file_lock *fl) in locks_release_private() argument
282 BUG_ON(waitqueue_active(&fl->fl_wait)); in locks_release_private()
283 BUG_ON(!list_empty(&fl->fl_list)); in locks_release_private()
284 BUG_ON(!list_empty(&fl->fl_blocked_requests)); in locks_release_private()
285 BUG_ON(!list_empty(&fl->fl_blocked_member)); in locks_release_private()
286 BUG_ON(!hlist_unhashed(&fl->fl_link)); in locks_release_private()
288 if (fl->fl_ops) { in locks_release_private()
289 if (fl->fl_ops->fl_release_private) in locks_release_private()
290 fl->fl_ops->fl_release_private(fl); in locks_release_private()
291 fl->fl_ops = NULL; in locks_release_private()
294 if (fl->fl_lmops) { in locks_release_private()
295 if (fl->fl_lmops->lm_put_owner) { in locks_release_private()
296 fl->fl_lmops->lm_put_owner(fl->fl_owner); in locks_release_private()
297 fl->fl_owner = NULL; in locks_release_private()
299 fl->fl_lmops = NULL; in locks_release_private()
316 struct file_lock *fl; in locks_owner_has_blockers() local
319 list_for_each_entry(fl, &flctx->flc_posix, fl_list) { in locks_owner_has_blockers()
320 if (fl->fl_owner != owner) in locks_owner_has_blockers()
322 if (!list_empty(&fl->fl_blocked_requests)) { in locks_owner_has_blockers()
333 void locks_free_lock(struct file_lock *fl) in locks_free_lock() argument
335 locks_release_private(fl); in locks_free_lock()
336 kmem_cache_free(filelock_cache, fl); in locks_free_lock()
343 struct file_lock *fl; in locks_dispose_list() local
346 fl = list_first_entry(dispose, struct file_lock, fl_list); in locks_dispose_list()
347 list_del_init(&fl->fl_list); in locks_dispose_list()
348 locks_free_lock(fl); in locks_dispose_list()
352 void locks_init_lock(struct file_lock *fl) in locks_init_lock() argument
354 memset(fl, 0, sizeof(struct file_lock)); in locks_init_lock()
355 locks_init_lock_heads(fl); in locks_init_lock()
362 void locks_copy_conflock(struct file_lock *new, struct file_lock *fl) in locks_copy_conflock() argument
364 new->fl_owner = fl->fl_owner; in locks_copy_conflock()
365 new->fl_pid = fl->fl_pid; in locks_copy_conflock()
367 new->fl_flags = fl->fl_flags; in locks_copy_conflock()
368 new->fl_type = fl->fl_type; in locks_copy_conflock()
369 new->fl_start = fl->fl_start; in locks_copy_conflock()
370 new->fl_end = fl->fl_end; in locks_copy_conflock()
371 new->fl_lmops = fl->fl_lmops; in locks_copy_conflock()
374 if (fl->fl_lmops) { in locks_copy_conflock()
375 if (fl->fl_lmops->lm_get_owner) in locks_copy_conflock()
376 fl->fl_lmops->lm_get_owner(fl->fl_owner); in locks_copy_conflock()
381 void locks_copy_lock(struct file_lock *new, struct file_lock *fl) in locks_copy_lock() argument
386 locks_copy_conflock(new, fl); in locks_copy_lock()
388 new->fl_file = fl->fl_file; in locks_copy_lock()
389 new->fl_ops = fl->fl_ops; in locks_copy_lock()
391 if (fl->fl_ops) { in locks_copy_lock()
392 if (fl->fl_ops->fl_copy_lock) in locks_copy_lock()
393 fl->fl_ops->fl_copy_lock(new, fl); in locks_copy_lock()
398 static void locks_move_blocks(struct file_lock *new, struct file_lock *fl) in locks_move_blocks() argument
407 if (list_empty(&fl->fl_blocked_requests)) in locks_move_blocks()
410 list_splice_init(&fl->fl_blocked_requests, &new->fl_blocked_requests); in locks_move_blocks()
429 static void flock_make_lock(struct file *filp, struct file_lock *fl, int type) in flock_make_lock() argument
431 locks_init_lock(fl); in flock_make_lock()
433 fl->fl_file = filp; in flock_make_lock()
434 fl->fl_owner = filp; in flock_make_lock()
435 fl->fl_pid = current->tgid; in flock_make_lock()
436 fl->fl_flags = FL_FLOCK; in flock_make_lock()
437 fl->fl_type = type; in flock_make_lock()
438 fl->fl_end = OFFSET_MAX; in flock_make_lock()
441 static int assign_type(struct file_lock *fl, long type) in assign_type() argument
447 fl->fl_type = type; in assign_type()
455 static int flock64_to_posix_lock(struct file *filp, struct file_lock *fl, in flock64_to_posix_lock() argument
460 fl->fl_start = 0; in flock64_to_posix_lock()
463 fl->fl_start = filp->f_pos; in flock64_to_posix_lock()
466 fl->fl_start = i_size_read(file_inode(filp)); in flock64_to_posix_lock()
471 if (l->l_start > OFFSET_MAX - fl->fl_start) in flock64_to_posix_lock()
473 fl->fl_start += l->l_start; in flock64_to_posix_lock()
474 if (fl->fl_start < 0) in flock64_to_posix_lock()
480 if (l->l_len - 1 > OFFSET_MAX - fl->fl_start) in flock64_to_posix_lock()
482 fl->fl_end = fl->fl_start + (l->l_len - 1); in flock64_to_posix_lock()
485 if (fl->fl_start + l->l_len < 0) in flock64_to_posix_lock()
487 fl->fl_end = fl->fl_start - 1; in flock64_to_posix_lock()
488 fl->fl_start += l->l_len; in flock64_to_posix_lock()
490 fl->fl_end = OFFSET_MAX; in flock64_to_posix_lock()
492 fl->fl_owner = current->files; in flock64_to_posix_lock()
493 fl->fl_pid = current->tgid; in flock64_to_posix_lock()
494 fl->fl_file = filp; in flock64_to_posix_lock()
495 fl->fl_flags = FL_POSIX; in flock64_to_posix_lock()
496 fl->fl_ops = NULL; in flock64_to_posix_lock()
497 fl->fl_lmops = NULL; in flock64_to_posix_lock()
499 return assign_type(fl, l->l_type); in flock64_to_posix_lock()
505 static int flock_to_posix_lock(struct file *filp, struct file_lock *fl, in flock_to_posix_lock() argument
515 return flock64_to_posix_lock(filp, fl, &ll); in flock_to_posix_lock()
520 lease_break_callback(struct file_lock *fl) in lease_break_callback() argument
522 kill_fasync(&fl->fl_fasync, SIGIO, POLL_MSG); in lease_break_callback()
527 lease_setup(struct file_lock *fl, void **priv) in lease_setup() argument
529 struct file *filp = fl->fl_file; in lease_setup()
537 if (!fasync_insert_entry(fa->fa_fd, filp, &fl->fl_fasync, fa)) in lease_setup()
552 static int lease_init(struct file *filp, long type, struct file_lock *fl) in lease_init() argument
554 if (assign_type(fl, type) != 0) in lease_init()
557 fl->fl_owner = filp; in lease_init()
558 fl->fl_pid = current->tgid; in lease_init()
560 fl->fl_file = filp; in lease_init()
561 fl->fl_flags = FL_LEASE; in lease_init()
562 fl->fl_start = 0; in lease_init()
563 fl->fl_end = OFFSET_MAX; in lease_init()
564 fl->fl_ops = NULL; in lease_init()
565 fl->fl_lmops = &lease_manager_ops; in lease_init()
572 struct file_lock *fl = locks_alloc_lock(); in lease_alloc() local
575 if (fl == NULL) in lease_alloc()
578 error = lease_init(filp, type, fl); in lease_alloc()
580 locks_free_lock(fl); in lease_alloc()
583 return fl; in lease_alloc()
603 static void locks_insert_global_locks(struct file_lock *fl) in locks_insert_global_locks() argument
610 fl->fl_link_cpu = smp_processor_id(); in locks_insert_global_locks()
611 hlist_add_head(&fl->fl_link, &fll->hlist); in locks_insert_global_locks()
616 static void locks_delete_global_locks(struct file_lock *fl) in locks_delete_global_locks() argument
627 if (hlist_unhashed(&fl->fl_link)) in locks_delete_global_locks()
630 fll = per_cpu_ptr(&file_lock_list, fl->fl_link_cpu); in locks_delete_global_locks()
632 hlist_del_init(&fl->fl_link); in locks_delete_global_locks()
637 posix_owner_key(struct file_lock *fl) in posix_owner_key() argument
639 return (unsigned long)fl->fl_owner; in posix_owner_key()
760 struct file_lock *fl; in __locks_insert_block() local
764 list_for_each_entry(fl, &blocker->fl_blocked_requests, fl_blocked_member) in __locks_insert_block()
765 if (conflict(fl, waiter)) { in __locks_insert_block()
766 blocker = fl; in __locks_insert_block()
815 locks_insert_lock_ctx(struct file_lock *fl, struct list_head *before) in locks_insert_lock_ctx() argument
817 list_add_tail(&fl->fl_list, before); in locks_insert_lock_ctx()
818 locks_insert_global_locks(fl); in locks_insert_lock_ctx()
822 locks_unlink_lock_ctx(struct file_lock *fl) in locks_unlink_lock_ctx() argument
824 locks_delete_global_locks(fl); in locks_unlink_lock_ctx()
825 list_del_init(&fl->fl_list); in locks_unlink_lock_ctx()
826 locks_wake_up_blocks(fl); in locks_unlink_lock_ctx()
830 locks_delete_lock_ctx(struct file_lock *fl, struct list_head *dispose) in locks_delete_lock_ctx() argument
832 locks_unlink_lock_ctx(fl); in locks_delete_lock_ctx()
834 list_add(&fl->fl_list, dispose); in locks_delete_lock_ctx()
836 locks_free_lock(fl); in locks_delete_lock_ctx()
887 posix_test_lock(struct file *filp, struct file_lock *fl) in posix_test_lock() argument
897 fl->fl_type = F_UNLCK; in posix_test_lock()
904 if (!posix_locks_conflict(fl, cfl)) in posix_test_lock()
916 locks_copy_conflock(fl, cfl); in posix_test_lock()
919 fl->fl_type = F_UNLCK; in posix_test_lock()
964 struct file_lock *fl; in what_owner_is_waiting_for() local
966 hash_for_each_possible(blocked_hash, fl, fl_link, posix_owner_key(block_fl)) { in what_owner_is_waiting_for()
967 if (posix_same_owner(fl, block_fl)) { in what_owner_is_waiting_for()
968 while (fl->fl_blocker) in what_owner_is_waiting_for()
969 fl = fl->fl_blocker; in what_owner_is_waiting_for()
970 return fl; in what_owner_is_waiting_for()
1010 struct file_lock *fl; in flock_lock_inode() local
1034 list_for_each_entry(fl, &ctx->flc_flock, fl_list) { in flock_lock_inode()
1035 if (request->fl_file != fl->fl_file) in flock_lock_inode()
1037 if (request->fl_type == fl->fl_type) in flock_lock_inode()
1040 locks_delete_lock_ctx(fl, &dispose); in flock_lock_inode()
1051 list_for_each_entry(fl, &ctx->flc_flock, fl_list) { in flock_lock_inode()
1052 if (!flock_locks_conflict(request, fl)) in flock_lock_inode()
1058 locks_insert_block(fl, request, flock_locks_conflict); in flock_lock_inode()
1082 struct file_lock *fl, *tmp; in posix_lock_inode() local
1120 list_for_each_entry(fl, &ctx->flc_posix, fl_list) { in posix_lock_inode()
1121 if (!posix_locks_conflict(request, fl)) in posix_lock_inode()
1123 if (fl->fl_lmops && fl->fl_lmops->lm_lock_expirable in posix_lock_inode()
1124 && (*fl->fl_lmops->lm_lock_expirable)(fl)) { in posix_lock_inode()
1125 owner = fl->fl_lmops->lm_mod_owner; in posix_lock_inode()
1126 func = fl->fl_lmops->lm_expire_lock; in posix_lock_inode()
1135 locks_copy_conflock(conflock, fl); in posix_lock_inode()
1150 if (likely(!posix_locks_deadlock(request, fl))) { in posix_lock_inode()
1152 __locks_insert_block(fl, request, in posix_lock_inode()
1166 list_for_each_entry(fl, &ctx->flc_posix, fl_list) { in posix_lock_inode()
1167 if (posix_same_owner(request, fl)) in posix_lock_inode()
1172 list_for_each_entry_safe_from(fl, tmp, &ctx->flc_posix, fl_list) { in posix_lock_inode()
1173 if (!posix_same_owner(request, fl)) in posix_lock_inode()
1177 if (request->fl_type == fl->fl_type) { in posix_lock_inode()
1182 if (fl->fl_end < request->fl_start - 1) in posix_lock_inode()
1187 if (fl->fl_start - 1 > request->fl_end) in posix_lock_inode()
1195 if (fl->fl_start > request->fl_start) in posix_lock_inode()
1196 fl->fl_start = request->fl_start; in posix_lock_inode()
1198 request->fl_start = fl->fl_start; in posix_lock_inode()
1199 if (fl->fl_end < request->fl_end) in posix_lock_inode()
1200 fl->fl_end = request->fl_end; in posix_lock_inode()
1202 request->fl_end = fl->fl_end; in posix_lock_inode()
1204 locks_delete_lock_ctx(fl, &dispose); in posix_lock_inode()
1207 request = fl; in posix_lock_inode()
1213 if (fl->fl_end < request->fl_start) in posix_lock_inode()
1215 if (fl->fl_start > request->fl_end) in posix_lock_inode()
1219 if (fl->fl_start < request->fl_start) in posix_lock_inode()
1220 left = fl; in posix_lock_inode()
1224 if (fl->fl_end > request->fl_end) { in posix_lock_inode()
1225 right = fl; in posix_lock_inode()
1228 if (fl->fl_start >= request->fl_start) { in posix_lock_inode()
1233 locks_delete_lock_ctx(fl, &dispose); in posix_lock_inode()
1250 locks_insert_lock_ctx(request, &fl->fl_list); in posix_lock_inode()
1251 locks_delete_lock_ctx(fl, &dispose); in posix_lock_inode()
1280 locks_insert_lock_ctx(new_fl, &fl->fl_list); in posix_lock_inode()
1281 fl = new_fl; in posix_lock_inode()
1292 locks_insert_lock_ctx(left, &fl->fl_list); in posix_lock_inode()
1331 int posix_lock_file(struct file *filp, struct file_lock *fl, in posix_lock_file() argument
1334 return posix_lock_inode(file_inode(filp), fl, conflock); in posix_lock_file()
1345 static int posix_lock_inode_wait(struct inode *inode, struct file_lock *fl) in posix_lock_inode_wait() argument
1350 error = posix_lock_inode(inode, fl, NULL); in posix_lock_inode_wait()
1353 error = wait_event_interruptible(fl->fl_wait, in posix_lock_inode_wait()
1354 list_empty(&fl->fl_blocked_member)); in posix_lock_inode_wait()
1358 locks_delete_block(fl); in posix_lock_inode_wait()
1362 static void lease_clear_pending(struct file_lock *fl, int arg) in lease_clear_pending() argument
1366 fl->fl_flags &= ~FL_UNLOCK_PENDING; in lease_clear_pending()
1369 fl->fl_flags &= ~FL_DOWNGRADE_PENDING; in lease_clear_pending()
1374 int lease_modify(struct file_lock *fl, int arg, struct list_head *dispose) in lease_modify() argument
1376 int error = assign_type(fl, arg); in lease_modify()
1380 lease_clear_pending(fl, arg); in lease_modify()
1381 locks_wake_up_blocks(fl); in lease_modify()
1383 struct file *filp = fl->fl_file; in lease_modify()
1387 fasync_helper(0, fl->fl_file, 0, &fl->fl_fasync); in lease_modify()
1388 if (fl->fl_fasync != NULL) { in lease_modify()
1389 printk(KERN_ERR "locks_delete_lock: fasync == %p\n", fl->fl_fasync); in lease_modify()
1390 fl->fl_fasync = NULL; in lease_modify()
1392 locks_delete_lock_ctx(fl, dispose); in lease_modify()
1409 struct file_lock *fl, *tmp; in time_out_leases() local
1413 list_for_each_entry_safe(fl, tmp, &ctx->flc_lease, fl_list) { in time_out_leases()
1414 trace_time_out_leases(inode, fl); in time_out_leases()
1415 if (past_time(fl->fl_downgrade_time)) in time_out_leases()
1416 lease_modify(fl, F_RDLCK, dispose); in time_out_leases()
1417 if (past_time(fl->fl_break_time)) in time_out_leases()
1418 lease_modify(fl, F_UNLCK, dispose); in time_out_leases()
1448 struct file_lock *fl; in any_leases_conflict() local
1452 list_for_each_entry(fl, &ctx->flc_lease, fl_list) { in any_leases_conflict()
1453 if (leases_conflict(fl, breaker)) in any_leases_conflict()
1476 struct file_lock *new_fl, *fl, *tmp; in __break_lease() local
1508 list_for_each_entry_safe(fl, tmp, &ctx->flc_lease, fl_list) { in __break_lease()
1509 if (!leases_conflict(fl, new_fl)) in __break_lease()
1512 if (fl->fl_flags & FL_UNLOCK_PENDING) in __break_lease()
1514 fl->fl_flags |= FL_UNLOCK_PENDING; in __break_lease()
1515 fl->fl_break_time = break_time; in __break_lease()
1517 if (lease_breaking(fl)) in __break_lease()
1519 fl->fl_flags |= FL_DOWNGRADE_PENDING; in __break_lease()
1520 fl->fl_downgrade_time = break_time; in __break_lease()
1522 if (fl->fl_lmops->lm_break(fl)) in __break_lease()
1523 locks_delete_lock_ctx(fl, &dispose); in __break_lease()
1536 fl = list_first_entry(&ctx->flc_lease, struct file_lock, fl_list); in __break_lease()
1537 break_time = fl->fl_break_time; in __break_lease()
1542 locks_insert_block(fl, new_fl, leases_conflict); in __break_lease()
1590 struct file_lock *fl; in lease_get_mtime() local
1595 fl = list_first_entry_or_null(&ctx->flc_lease, in lease_get_mtime()
1597 if (fl && (fl->fl_type == F_WRLCK)) in lease_get_mtime()
1632 struct file_lock *fl; in fcntl_getlease() local
1643 list_for_each_entry(fl, &ctx->flc_lease, fl_list) { in fcntl_getlease()
1644 if (fl->fl_file != filp) in fcntl_getlease()
1646 type = target_leasetype(fl); in fcntl_getlease()
1706 struct file_lock *fl, *my_fl = NULL, *lease; in generic_add_lease() local
1755 list_for_each_entry(fl, &ctx->flc_lease, fl_list) { in generic_add_lease()
1756 if (fl->fl_file == filp && in generic_add_lease()
1757 fl->fl_owner == lease->fl_owner) { in generic_add_lease()
1758 my_fl = fl; in generic_add_lease()
1772 if (fl->fl_flags & FL_UNLOCK_PENDING) in generic_add_lease()
1822 struct file_lock *fl, *victim = NULL; in generic_delete_lease() local
1835 list_for_each_entry(fl, &ctx->flc_lease, fl_list) { in generic_delete_lease()
1836 if (fl->fl_file == filp && in generic_delete_lease()
1837 fl->fl_owner == owner) { in generic_delete_lease()
1838 victim = fl; in generic_delete_lease()
1844 error = fl->fl_lmops->lm_change(victim, F_UNLCK, &dispose); in generic_delete_lease()
1958 struct file_lock *fl; in do_fcntl_add_lease() local
1962 fl = lease_alloc(filp, arg); in do_fcntl_add_lease()
1963 if (IS_ERR(fl)) in do_fcntl_add_lease()
1964 return PTR_ERR(fl); in do_fcntl_add_lease()
1968 locks_free_lock(fl); in do_fcntl_add_lease()
1973 error = vfs_setlease(filp, arg, &fl, (void **)&new); in do_fcntl_add_lease()
1974 if (fl) in do_fcntl_add_lease()
1975 locks_free_lock(fl); in do_fcntl_add_lease()
2005 static int flock_lock_inode_wait(struct inode *inode, struct file_lock *fl) in flock_lock_inode_wait() argument
2010 error = flock_lock_inode(inode, fl); in flock_lock_inode_wait()
2013 error = wait_event_interruptible(fl->fl_wait, in flock_lock_inode_wait()
2014 list_empty(&fl->fl_blocked_member)); in flock_lock_inode_wait()
2018 locks_delete_block(fl); in flock_lock_inode_wait()
2029 int locks_lock_inode_wait(struct inode *inode, struct file_lock *fl) in locks_lock_inode_wait() argument
2032 switch (fl->fl_flags & (FL_POSIX|FL_FLOCK)) { in locks_lock_inode_wait()
2034 res = posix_lock_inode_wait(inode, fl); in locks_lock_inode_wait()
2037 res = flock_lock_inode_wait(inode, fl); in locks_lock_inode_wait()
2064 struct file_lock fl; in SYSCALL_DEFINE2() local
2092 flock_make_lock(f.file, &fl, type); in SYSCALL_DEFINE2()
2094 error = security_file_lock(f.file, fl.fl_type); in SYSCALL_DEFINE2()
2100 fl.fl_flags |= FL_SLEEP; in SYSCALL_DEFINE2()
2105 &fl); in SYSCALL_DEFINE2()
2107 error = locks_lock_file_wait(f.file, &fl); in SYSCALL_DEFINE2()
2109 locks_release_private(&fl); in SYSCALL_DEFINE2()
2124 int vfs_test_lock(struct file *filp, struct file_lock *fl) in vfs_test_lock() argument
2126 WARN_ON_ONCE(filp != fl->fl_file); in vfs_test_lock()
2128 return filp->f_op->lock(filp, F_GETLK, fl); in vfs_test_lock()
2129 posix_test_lock(filp, fl); in vfs_test_lock()
2141 static pid_t locks_translate_pid(struct file_lock *fl, struct pid_namespace *ns) in locks_translate_pid() argument
2146 if (IS_OFDLCK(fl)) in locks_translate_pid()
2148 if (IS_REMOTELCK(fl)) in locks_translate_pid()
2149 return fl->fl_pid; in locks_translate_pid()
2156 return (pid_t)fl->fl_pid; in locks_translate_pid()
2159 pid = find_pid_ns(fl->fl_pid, &init_pid_ns); in locks_translate_pid()
2165 static int posix_lock_to_flock(struct flock *flock, struct file_lock *fl) in posix_lock_to_flock() argument
2167 flock->l_pid = locks_translate_pid(fl, task_active_pid_ns(current)); in posix_lock_to_flock()
2173 if (fl->fl_start > OFFT_OFFSET_MAX) in posix_lock_to_flock()
2175 if (fl->fl_end != OFFSET_MAX && fl->fl_end > OFFT_OFFSET_MAX) in posix_lock_to_flock()
2178 flock->l_start = fl->fl_start; in posix_lock_to_flock()
2179 flock->l_len = fl->fl_end == OFFSET_MAX ? 0 : in posix_lock_to_flock()
2180 fl->fl_end - fl->fl_start + 1; in posix_lock_to_flock()
2182 flock->l_type = fl->fl_type; in posix_lock_to_flock()
2187 static void posix_lock_to_flock64(struct flock64 *flock, struct file_lock *fl) in posix_lock_to_flock64() argument
2189 flock->l_pid = locks_translate_pid(fl, task_active_pid_ns(current)); in posix_lock_to_flock64()
2190 flock->l_start = fl->fl_start; in posix_lock_to_flock64()
2191 flock->l_len = fl->fl_end == OFFSET_MAX ? 0 : in posix_lock_to_flock64()
2192 fl->fl_end - fl->fl_start + 1; in posix_lock_to_flock64()
2194 flock->l_type = fl->fl_type; in posix_lock_to_flock64()
2203 struct file_lock *fl; in fcntl_getlk() local
2206 fl = locks_alloc_lock(); in fcntl_getlk()
2207 if (fl == NULL) in fcntl_getlk()
2213 error = flock_to_posix_lock(filp, fl, flock); in fcntl_getlk()
2222 fl->fl_flags |= FL_OFDLCK; in fcntl_getlk()
2223 fl->fl_owner = filp; in fcntl_getlk()
2226 error = vfs_test_lock(filp, fl); in fcntl_getlk()
2230 flock->l_type = fl->fl_type; in fcntl_getlk()
2231 if (fl->fl_type != F_UNLCK) { in fcntl_getlk()
2232 error = posix_lock_to_flock(flock, fl); in fcntl_getlk()
2237 locks_free_lock(fl); in fcntl_getlk()
2274 int vfs_lock_file(struct file *filp, unsigned int cmd, struct file_lock *fl, struct file_lock *conf) in vfs_lock_file() argument
2276 WARN_ON_ONCE(filp != fl->fl_file); in vfs_lock_file()
2278 return filp->f_op->lock(filp, cmd, fl); in vfs_lock_file()
2280 return posix_lock_file(filp, fl, conf); in vfs_lock_file()
2285 struct file_lock *fl) in do_lock_file_wait() argument
2289 error = security_file_lock(filp, fl->fl_type); in do_lock_file_wait()
2294 error = vfs_lock_file(filp, cmd, fl, NULL); in do_lock_file_wait()
2297 error = wait_event_interruptible(fl->fl_wait, in do_lock_file_wait()
2298 list_empty(&fl->fl_blocked_member)); in do_lock_file_wait()
2302 locks_delete_block(fl); in do_lock_file_wait()
2309 check_fmode_for_setlk(struct file_lock *fl) in check_fmode_for_setlk() argument
2311 switch (fl->fl_type) { in check_fmode_for_setlk()
2313 if (!(fl->fl_file->f_mode & FMODE_READ)) in check_fmode_for_setlk()
2317 if (!(fl->fl_file->f_mode & FMODE_WRITE)) in check_fmode_for_setlk()
2409 struct file_lock *fl; in fcntl_getlk64() local
2412 fl = locks_alloc_lock(); in fcntl_getlk64()
2413 if (fl == NULL) in fcntl_getlk64()
2420 error = flock64_to_posix_lock(filp, fl, flock); in fcntl_getlk64()
2429 fl->fl_flags |= FL_OFDLCK; in fcntl_getlk64()
2430 fl->fl_owner = filp; in fcntl_getlk64()
2433 error = vfs_test_lock(filp, fl); in fcntl_getlk64()
2437 flock->l_type = fl->fl_type; in fcntl_getlk64()
2438 if (fl->fl_type != F_UNLCK) in fcntl_getlk64()
2439 posix_lock_to_flock64(flock, fl); in fcntl_getlk64()
2442 locks_free_lock(fl); in fcntl_getlk64()
2569 struct file_lock fl; in locks_remove_flock() local
2575 flock_make_lock(filp, &fl, F_UNLCK); in locks_remove_flock()
2576 fl.fl_flags |= FL_CLOSE; in locks_remove_flock()
2579 filp->f_op->flock(filp, F_SETLKW, &fl); in locks_remove_flock()
2581 flock_lock_inode(inode, &fl); in locks_remove_flock()
2583 if (fl.fl_ops && fl.fl_ops->fl_release_private) in locks_remove_flock()
2584 fl.fl_ops->fl_release_private(&fl); in locks_remove_flock()
2591 struct file_lock *fl, *tmp; in locks_remove_lease() local
2599 list_for_each_entry_safe(fl, tmp, &ctx->flc_lease, fl_list) in locks_remove_lease()
2600 if (filp == fl->fl_file) in locks_remove_lease()
2601 lease_modify(fl, F_UNLCK, &dispose); in locks_remove_lease()
2642 int vfs_cancel_lock(struct file *filp, struct file_lock *fl) in vfs_cancel_lock() argument
2644 WARN_ON_ONCE(filp != fl->fl_file); in vfs_cancel_lock()
2646 return filp->f_op->lock(filp, F_CANCELLK, fl); in vfs_cancel_lock()
2683 static void lock_get_status(struct seq_file *f, struct file_lock *fl, in lock_get_status() argument
2691 fl_pid = locks_translate_pid(fl, proc_pidns); in lock_get_status()
2698 if (fl->fl_file != NULL) in lock_get_status()
2699 inode = file_inode(fl->fl_file); in lock_get_status()
2706 if (IS_POSIX(fl)) { in lock_get_status()
2707 if (fl->fl_flags & FL_ACCESS) in lock_get_status()
2709 else if (IS_OFDLCK(fl)) in lock_get_status()
2716 } else if (IS_FLOCK(fl)) { in lock_get_status()
2718 } else if (IS_LEASE(fl)) { in lock_get_status()
2719 if (fl->fl_flags & FL_DELEG) in lock_get_status()
2724 if (lease_breaking(fl)) in lock_get_status()
2726 else if (fl->fl_file) in lock_get_status()
2733 type = IS_LEASE(fl) ? target_leasetype(fl) : fl->fl_type; in lock_get_status()
2745 if (IS_POSIX(fl)) { in lock_get_status()
2746 if (fl->fl_end == OFFSET_MAX) in lock_get_status()
2747 seq_printf(f, "%Ld EOF\n", fl->fl_start); in lock_get_status()
2749 seq_printf(f, "%Ld %Ld\n", fl->fl_start, fl->fl_end); in lock_get_status()
2821 struct file_lock *fl; in __show_fd_locks() local
2823 list_for_each_entry(fl, head, fl_list) { in __show_fd_locks()
2825 if (filp != fl->fl_file) in __show_fd_locks()
2827 if (fl->fl_owner != files && in __show_fd_locks()
2828 fl->fl_owner != filp) in __show_fd_locks()
2833 lock_get_status(f, fl, *id, "", 0); in __show_fd_locks()