39 static int setfl(int fd, struct file * filp, unsigned int arg)  in setfl()  argument
41 	struct inode * inode = file_inode(filp);  in setfl()
48 	if (((arg ^ filp->f_flags) & O_APPEND) && IS_APPEND(inode))  in setfl()
52 	if ((arg & O_NOATIME) && !(filp->f_flags & O_NOATIME))  in setfl()
53 		if (!inode_owner_or_capable(file_mnt_idmap(filp), inode))  in setfl()
64 	    !(filp->f_mode & FMODE_CAN_ODIRECT))  in setfl()
67 	if (filp->f_op->check_flags)  in setfl()
68 		error = filp->f_op->check_flags(arg);  in setfl()
75 	if (((arg ^ filp->f_flags) & FASYNC) && filp->f_op->fasync) {  in setfl()
76 		error = filp->f_op->fasync(fd, filp, (arg & FASYNC) != 0);  in setfl()
82 	spin_lock(&filp->f_lock);  in setfl()
83 	filp->f_flags = (arg & SETFL_MASK) | (filp->f_flags & ~SETFL_MASK);  in setfl()
84 	filp->f_iocb_flags = iocb_flags(filp);  in setfl()
85 	spin_unlock(&filp->f_lock);  in setfl()
127 void __f_setown(struct file *filp, struct pid *pid, enum pid_type type,  in __f_setown()  argument
132 	f_owner = file_f_owner(filp);  in __f_setown()
144 			security_file_set_fowner(filp);  in __f_setown()
153 int f_setown(struct file *filp, int who, int force)  in f_setown()  argument
171 	ret = file_f_owner_allocate(filp);  in f_setown()
183 		__f_setown(filp, pid, type, force);  in f_setown()
190 void f_delown(struct file *filp)  in f_delown()  argument
192 	__f_setown(filp, NULL, PIDTYPE_TGID, 1);  in f_delown()
195 pid_t f_getown(struct file *filp)  in f_getown()  argument
200 	f_owner = file_f_owner(filp);  in f_getown()
216 static int f_setown_ex(struct file *filp, unsigned long arg)  in f_setown_ex()  argument
245 	ret = file_f_owner_allocate(filp);  in f_setown_ex()
254 		 __f_setown(filp, pid, type, 1);  in f_setown_ex()
260 static int f_getown_ex(struct file *filp, unsigned long arg)  in f_getown_ex()  argument
268 	f_owner = file_f_owner(filp);  in f_getown_ex()
308 static int f_getowner_uids(struct file *filp, unsigned long arg)  in f_getowner_uids()  argument
316 	f_owner = file_f_owner(filp);  in f_getowner_uids()
330 static int f_getowner_uids(struct file *filp, unsigned long arg)  in f_getowner_uids()  argument
396 static long f_dupfd_query(int fd, struct file *filp)  in f_dupfd_query()  argument
411 	return fd_file(f) == filp;  in f_dupfd_query()
415 static long f_created_query(const struct file *filp)  in f_created_query()  argument
417 	return !!(filp->f_mode & FMODE_CREATED);  in f_created_query()
420 static int f_owner_sig(struct file *filp, int signum, bool setsig)  in f_owner_sig()  argument
431 		ret = file_f_owner_allocate(filp);  in f_owner_sig()
436 	f_owner = file_f_owner(filp);  in f_owner_sig()
445 		struct file *filp)  in do_fcntl()  argument
455 		err = f_created_query(filp);  in do_fcntl()
458 		err = f_dupfd(argi, filp, 0);  in do_fcntl()
461 		err = f_dupfd(argi, filp, O_CLOEXEC);  in do_fcntl()
464 		err = f_dupfd_query(argi, filp);  in do_fcntl()
474 		err = filp->f_flags;  in do_fcntl()
477 		err = setfl(fd, filp, argi);  in do_fcntl()
486 		err = fcntl_getlk(filp, cmd, &flock);  in do_fcntl()
500 		err = fcntl_setlk(fd, filp, cmd, &flock);  in do_fcntl()
510 		err = f_getown(filp);  in do_fcntl()
514 		err = f_setown(filp, argi, 1);  in do_fcntl()
517 		err = f_getown_ex(filp, arg);  in do_fcntl()
520 		err = f_setown_ex(filp, arg);  in do_fcntl()
523 		err = f_getowner_uids(filp, arg);  in do_fcntl()
526 		err = f_owner_sig(filp, 0, false);  in do_fcntl()
529 		err = f_owner_sig(filp, argi, true);  in do_fcntl()
532 		err = fcntl_getlease(filp);  in do_fcntl()
535 		err = fcntl_setlease(fd, filp, argi);  in do_fcntl()
538 		err = fcntl_dirnotify(fd, filp, argi);  in do_fcntl()
542 		err = pipe_fcntl(filp, cmd, argi);  in do_fcntl()
546 		err = memfd_fcntl(filp, cmd, argi);  in do_fcntl()
549 		err = fcntl_get_rw_hint(filp, arg);  in do_fcntl()
552 		err = fcntl_set_rw_hint(filp, arg);  in do_fcntl()
557 		err = fcntl_getdeleg(filp, &deleg);  in do_fcntl()
564 		err = fcntl_setdeleg(fd, filp, &deleg);  in do_fcntl()
1001 int fasync_remove_entry(struct file *filp, struct fasync_struct **fapp)  in fasync_remove_entry()  argument
1006 	spin_lock(&filp->f_lock);  in fasync_remove_entry()
1009 		if (fa->fa_file != filp)  in fasync_remove_entry()
1018 		filp->f_flags &= ~FASYNC;  in fasync_remove_entry()
1023 	spin_unlock(&filp->f_lock);  in fasync_remove_entry()
1049 struct fasync_struct *fasync_insert_entry(int fd, struct file *filp, struct fasync_struct **fapp, s…  in fasync_insert_entry()  argument
1053 	spin_lock(&filp->f_lock);  in fasync_insert_entry()
1056 		if (fa->fa_file != filp)  in fasync_insert_entry()
1067 	new->fa_file = filp;  in fasync_insert_entry()
1071 	filp->f_flags |= FASYNC;  in fasync_insert_entry()
1075 	spin_unlock(&filp->f_lock);  in fasync_insert_entry()
1083 static int fasync_add_entry(int fd, struct file *filp, struct fasync_struct **fapp)  in fasync_add_entry()  argument
1098 	if (fasync_insert_entry(fd, filp, fapp, new)) {  in fasync_add_entry()
1112 int fasync_helper(int fd, struct file * filp, int on, struct fasync_struct **fapp)  in fasync_helper()  argument
1115 		return fasync_remove_entry(filp, fapp);  in fasync_helper()
1116 	return fasync_add_entry(fd, filp, fapp);  in fasync_helper()