475 void path_get(const struct path *path)  in path_get()  argument
477 	mntget(path->mnt);  in path_get()
478 	dget(path->dentry);  in path_get()
488 void path_put(const struct path *path)  in path_put()  argument
490 	dput(path->dentry);  in path_put()
491 	mntput(path->mnt);  in path_put()
496 	struct path	path;  member
498 	struct path	root;
515 static bool path_connected(const struct path *path)  in path_connected()  argument
517 	struct vfsmount *mnt = path->mnt;  in path_connected()
523 	return is_subdir(path->dentry, mnt->mnt_root);  in path_connected()
550 	struct dentry *parent = nd->path.dentry;  in unlazy_walk()
562 	if (!legitimize_mnt(nd->path.mnt, nd->m_seq))  in unlazy_walk()
567 		nd->path.dentry = NULL;	  in unlazy_walk()
639 	struct dentry *dentry = nd->path.dentry;  in complete_walk()
647 		if (!legitimize_mnt(nd->path.mnt, nd->m_seq)) {  in complete_walk()
653 			mntput(nd->path.mnt);  in complete_walk()
659 			mntput(nd->path.mnt);  in complete_walk()
678 	path_put(&nd->path);  in complete_walk()
702 static void path_put_conditional(struct path *path, struct nameidata *nd)  in path_put_conditional()  argument
704 	dput(path->dentry);  in path_put_conditional()
705 	if (path->mnt != nd->path.mnt)  in path_put_conditional()
706 		mntput(path->mnt);  in path_put_conditional()
709 static inline void path_to_nameidata(const struct path *path,  in path_to_nameidata()  argument
713 		dput(nd->path.dentry);  in path_to_nameidata()
714 		if (nd->path.mnt != path->mnt)  in path_to_nameidata()
715 			mntput(nd->path.mnt);  in path_to_nameidata()
717 	nd->path.mnt = path->mnt;  in path_to_nameidata()
718 	nd->path.dentry = path->dentry;  in path_to_nameidata()
725 void nd_jump_link(struct nameidata *nd, struct path *path)  in nd_jump_link()  argument
727 	path_put(&nd->path);  in nd_jump_link()
729 	nd->path = *path;  in nd_jump_link()
730 	nd->inode = nd->path.dentry->d_inode;  in nd_jump_link()
734 void nd_set_link(struct nameidata *nd, char *path)  in nd_set_link()  argument
736 	nd->saved_names[nd->depth] = path;  in nd_set_link()
746 static inline void put_link(struct nameidata *nd, struct path *link, void *cookie)  in put_link()
773 static inline int may_follow_link(struct path *link, struct nameidata *nd)  in may_follow_link()
787 	parent = nd->path.dentry->d_inode;  in may_follow_link()
797 	path_put(&nd->path);  in may_follow_link()
848 static int may_linkat(struct path *link)  in may_linkat()
871 follow_link(struct path *link, struct nameidata *nd, void **p)  in follow_link()
879 	if (link->mnt == nd->path.mnt)  in follow_link()
906 			path_put(&nd->path);  in follow_link()
913 			path_put(&nd->path);  in follow_link()
914 			nd->path = nd->root;  in follow_link()
918 		nd->inode = nd->path.dentry->d_inode;  in follow_link()
928 	path_put(&nd->path);  in follow_link()
933 static int follow_up_rcu(struct path *path)  in follow_up_rcu()  argument
935 	struct mount *mnt = real_mount(path->mnt);  in follow_up_rcu()
940 	if (&parent->mnt == path->mnt)  in follow_up_rcu()
943 	path->dentry = mountpoint;  in follow_up_rcu()
944 	path->mnt = &parent->mnt;  in follow_up_rcu()
958 int follow_up(struct path *path)  in follow_up()  argument
960 	struct mount *mnt = real_mount(path->mnt);  in follow_up()
973 	dput(path->dentry);  in follow_up()
974 	path->dentry = mountpoint;  in follow_up()
975 	mntput(path->mnt);  in follow_up()
976 	path->mnt = &parent->mnt;  in follow_up()
986 static int follow_automount(struct path *path, unsigned flags,  in follow_automount()  argument
992 	if (!path->dentry->d_op || !path->dentry->d_op->d_automount)  in follow_automount()
1008 	    path->dentry->d_inode)  in follow_automount()
1015 	mnt = path->dentry->d_op->d_automount(path);  in follow_automount()
1036 		mntget(path->mnt);  in follow_automount()
1039 	err = finish_automount(mnt, path);  in follow_automount()
1046 		path_put(path);  in follow_automount()
1047 		path->mnt = mnt;  in follow_automount()
1048 		path->dentry = dget(mnt->mnt_root);  in follow_automount()
1066 static int follow_managed(struct path *path, unsigned flags)  in follow_managed()  argument
1068 	struct vfsmount *mnt = path->mnt; /* held by caller, must be left alone */  in follow_managed()
1076 	while (managed = ACCESS_ONCE(path->dentry->d_flags),  in follow_managed()
1082 			BUG_ON(!path->dentry->d_op);  in follow_managed()
1083 			BUG_ON(!path->dentry->d_op->d_manage);  in follow_managed()
1084 			ret = path->dentry->d_op->d_manage(path->dentry, false);  in follow_managed()
1091 			struct vfsmount *mounted = lookup_mnt(path);  in follow_managed()
1093 				dput(path->dentry);  in follow_managed()
1095 					mntput(path->mnt);  in follow_managed()
1096 				path->mnt = mounted;  in follow_managed()
1097 				path->dentry = dget(mounted->mnt_root);  in follow_managed()
1110 			ret = follow_automount(path, flags, &need_mntput);  in follow_managed()
1120 	if (need_mntput && path->mnt == mnt)  in follow_managed()
1121 		mntput(path->mnt);  in follow_managed()
1127 int follow_down_one(struct path *path)  in follow_down_one()  argument
1131 	mounted = lookup_mnt(path);  in follow_down_one()
1133 		dput(path->dentry);  in follow_down_one()
1134 		mntput(path->mnt);  in follow_down_one()
1135 		path->mnt = mounted;  in follow_down_one()
1136 		path->dentry = dget(mounted->mnt_root);  in follow_down_one()
1153 static bool __follow_mount_rcu(struct nameidata *nd, struct path *path,  in __follow_mount_rcu()  argument
1162 		switch (managed_dentry_rcu(path->dentry)) {  in __follow_mount_rcu()
1172 		if (!d_mountpoint(path->dentry))  in __follow_mount_rcu()
1173 			return !(path->dentry->d_flags & DCACHE_NEED_AUTOMOUNT);  in __follow_mount_rcu()
1175 		mounted = __lookup_mnt(path->mnt, path->dentry);  in __follow_mount_rcu()
1178 		path->mnt = &mounted->mnt;  in __follow_mount_rcu()
1179 		path->dentry = mounted->mnt.mnt_root;  in __follow_mount_rcu()
1181 		nd->seq = read_seqcount_begin(&path->dentry->d_seq);  in __follow_mount_rcu()
1187 		*inode = path->dentry->d_inode;  in __follow_mount_rcu()
1190 		!(path->dentry->d_flags & DCACHE_NEED_AUTOMOUNT);  in __follow_mount_rcu()
1200 		if (nd->path.dentry == nd->root.dentry &&  in follow_dotdot_rcu()
1201 		    nd->path.mnt == nd->root.mnt) {  in follow_dotdot_rcu()
1204 		if (nd->path.dentry != nd->path.mnt->mnt_root) {  in follow_dotdot_rcu()
1205 			struct dentry *old = nd->path.dentry;  in follow_dotdot_rcu()
1213 			nd->path.dentry = parent;  in follow_dotdot_rcu()
1215 			if (unlikely(!path_connected(&nd->path)))  in follow_dotdot_rcu()
1219 		if (!follow_up_rcu(&nd->path))  in follow_dotdot_rcu()
1221 		inode = nd->path.dentry->d_inode;  in follow_dotdot_rcu()
1222 		nd->seq = read_seqcount_begin(&nd->path.dentry->d_seq);  in follow_dotdot_rcu()
1224 	while (d_mountpoint(nd->path.dentry)) {  in follow_dotdot_rcu()
1226 		mounted = __lookup_mnt(nd->path.mnt, nd->path.dentry);  in follow_dotdot_rcu()
1229 		nd->path.mnt = &mounted->mnt;  in follow_dotdot_rcu()
1230 		nd->path.dentry = mounted->mnt.mnt_root;  in follow_dotdot_rcu()
1231 		inode = nd->path.dentry->d_inode;  in follow_dotdot_rcu()
1232 		nd->seq = read_seqcount_begin(&nd->path.dentry->d_seq);  in follow_dotdot_rcu()
1252 int follow_down(struct path *path)  in follow_down()  argument
1257 	while (managed = ACCESS_ONCE(path->dentry->d_flags),  in follow_down()
1270 			BUG_ON(!path->dentry->d_op);  in follow_down()
1271 			BUG_ON(!path->dentry->d_op->d_manage);  in follow_down()
1272 			ret = path->dentry->d_op->d_manage(  in follow_down()
1273 				path->dentry, false);  in follow_down()
1280 			struct vfsmount *mounted = lookup_mnt(path);  in follow_down()
1283 			dput(path->dentry);  in follow_down()
1284 			mntput(path->mnt);  in follow_down()
1285 			path->mnt = mounted;  in follow_down()
1286 			path->dentry = dget(mounted->mnt_root);  in follow_down()
1300 static void follow_mount(struct path *path)  in follow_mount()  argument
1302 	while (d_mountpoint(path->dentry)) {  in follow_mount()
1303 		struct vfsmount *mounted = lookup_mnt(path);  in follow_mount()
1306 		dput(path->dentry);  in follow_mount()
1307 		mntput(path->mnt);  in follow_mount()
1308 		path->mnt = mounted;  in follow_mount()
1309 		path->dentry = dget(mounted->mnt_root);  in follow_mount()
1319 		struct dentry *old = nd->path.dentry;  in follow_dotdot()
1321 		if (nd->path.dentry == nd->root.dentry &&  in follow_dotdot()
1322 		    nd->path.mnt == nd->root.mnt) {  in follow_dotdot()
1325 		if (nd->path.dentry != nd->path.mnt->mnt_root) {  in follow_dotdot()
1327 			nd->path.dentry = dget_parent(nd->path.dentry);  in follow_dotdot()
1329 			if (unlikely(!path_connected(&nd->path))) {  in follow_dotdot()
1330 				path_put(&nd->path);  in follow_dotdot()
1335 		if (!follow_up(&nd->path))  in follow_dotdot()
1338 	follow_mount(&nd->path);  in follow_dotdot()
1339 	nd->inode = nd->path.dentry->d_inode;  in follow_dotdot()
1428 		       struct path *path, struct inode **inode)  in lookup_fast()  argument
1430 	struct vfsmount *mnt = nd->path.mnt;  in lookup_fast()
1431 	struct dentry *dentry, *parent = nd->path.dentry;  in lookup_fast()
1482 		path->mnt = mnt;  in lookup_fast()
1483 		path->dentry = dentry;  in lookup_fast()
1484 		if (likely(__follow_mount_rcu(nd, path, inode)))  in lookup_fast()
1512 	path->mnt = mnt;  in lookup_fast()
1513 	path->dentry = dentry;  in lookup_fast()
1514 	err = follow_managed(path, nd->flags);  in lookup_fast()
1516 		path_put_conditional(path, nd);  in lookup_fast()
1521 	*inode = path->dentry->d_inode;  in lookup_fast()
1529 static int lookup_slow(struct nameidata *nd, struct path *path)  in lookup_slow()  argument
1534 	parent = nd->path.dentry;  in lookup_slow()
1542 	path->mnt = nd->path.mnt;  in lookup_slow()
1543 	path->dentry = dentry;  in lookup_slow()
1544 	err = follow_managed(path, nd->flags);  in lookup_slow()
1546 		path_put_conditional(path, nd);  in lookup_slow()
1581 		path_put(&nd->path);  in terminate_walk()
1601 static inline int walk_component(struct nameidata *nd, struct path *path,  in walk_component()  argument
1613 	err = lookup_fast(nd, path, &inode);  in walk_component()
1618 		err = lookup_slow(nd, path);  in walk_component()
1623 		if (d_is_negative(path->dentry))  in walk_component()
1625 		inode = path->dentry->d_inode;  in walk_component()
1628 	if (should_follow_link(path->dentry, follow)) {  in walk_component()
1630 			if (unlikely(nd->path.mnt != path->mnt ||  in walk_component()
1631 				     unlazy_walk(nd, path->dentry))) {  in walk_component()
1636 		BUG_ON(inode != path->dentry->d_inode);  in walk_component()
1639 	path_to_nameidata(path, nd);  in walk_component()
1644 	path_to_nameidata(path, nd);  in walk_component()
1657 static inline int nested_symlink(struct path *path, struct nameidata *nd)  in nested_symlink()  argument
1662 		path_put_conditional(path, nd);  in nested_symlink()
1663 		path_put(&nd->path);  in nested_symlink()
1672 		struct path link = *path;  in nested_symlink()
1678 		res = walk_component(nd, path, LOOKUP_FOLLOW);  in nested_symlink()
1813 	struct path next;  in link_path_walk()
1844 			struct dentry *parent = nd->path.dentry;  in link_path_walk()
1882 		if (!d_can_lookup(nd->path.dentry)) {  in link_path_walk()
1911 		nd->path = nd->root;  in path_init()
1915 			nd->seq = __read_seqcount_begin(&nd->path.dentry->d_seq);  in path_init()
1918 			path_get(&nd->path);  in path_init()
1934 		nd->path = nd->root;  in path_init()
1944 				nd->path = fs->pwd;  in path_init()
1945 				nd->seq = __read_seqcount_begin(&nd->path.dentry->d_seq);  in path_init()
1948 			get_fs_pwd(current->fs, &nd->path);  in path_init()
1967 		nd->path = f.file->f_path;  in path_init()
1971 			nd->seq = __read_seqcount_begin(&nd->path.dentry->d_seq);  in path_init()
1974 			path_get(&nd->path);  in path_init()
1979 	nd->inode = nd->path.dentry->d_inode;  in path_init()
1982 	if (likely(!read_seqcount_retry(&nd->path.dentry->d_seq, nd->seq)))  in path_init()
2003 static inline int lookup_last(struct nameidata *nd, struct path *path)  in lookup_last()  argument
2009 	return walk_component(nd, path, nd->flags & LOOKUP_FOLLOW);  in lookup_last()
2016 	struct path path;  in path_lookupat()  local
2035 		err = lookup_last(nd, &path);  in path_lookupat()
2038 			struct path link = path;  in path_lookupat()
2046 			err = lookup_last(nd, &path);  in path_lookupat()
2055 		if (!d_can_lookup(nd->path.dentry)) {  in path_lookupat()
2056 			path_put(&nd->path);  in path_lookupat()
2075 		audit_inode(name, nd->path.dentry, flags & LOOKUP_PARENT);  in filename_lookup()
2080 struct dentry *kern_path_locked(const char *name, struct path *path)  in kern_path_locked()  argument
2096 		path_put(&nd.path);  in kern_path_locked()
2100 	mutex_lock_nested(&nd.path.dentry->d_inode->i_mutex, I_MUTEX_PARENT);  in kern_path_locked()
2101 	d = __lookup_hash(&nd.last, nd.path.dentry, 0);  in kern_path_locked()
2103 		mutex_unlock(&nd.path.dentry->d_inode->i_mutex);  in kern_path_locked()
2104 		path_put(&nd.path);  in kern_path_locked()
2107 	*path = nd.path;  in kern_path_locked()
2113 int kern_path(const char *name, unsigned int flags, struct path *path)  in kern_path()  argument
2123 			*path = nd.path;  in kern_path()
2139 		    struct path *path)  in vfs_path_lookup()  argument
2154 			*path = nd.path;  in vfs_path_lookup()
2168 	return __lookup_hash(&nd->last, nd->path.dentry, nd->flags);  in lookup_hash()
2223 		 struct path *path, int *empty)  in user_path_at_empty()  argument
2235 			*path = nd.path;  in user_path_at_empty()
2241 		 struct path *path)  in user_path_at()  argument
2243 	return user_path_at_empty(dfd, name, flags, path, NULL);  in user_path_at()
2254 user_path_parent(int dfd, const char __user *path, struct nameidata *nd,  in user_path_parent()  argument
2257 	struct filename *s = getname(path);  in user_path_parent()
2303 mountpoint_last(struct nameidata *nd, struct path *path)  in mountpoint_last()  argument
2307 	struct dentry *dir = nd->path.dentry;  in mountpoint_last()
2323 		dentry = dget(nd->path.dentry);  in mountpoint_last()
2356 	path->dentry = dentry;  in mountpoint_last()
2357 	path->mnt = nd->path.mnt;  in mountpoint_last()
2360 	mntget(path->mnt);  in mountpoint_last()
2361 	follow_mount(path);  in mountpoint_last()
2379 path_mountpoint(int dfd, const struct filename *name, struct path *path,  in path_mountpoint()  argument
2389 	err = mountpoint_last(&nd, path);  in path_mountpoint()
2392 		struct path link = *path;  in path_mountpoint()
2400 		err = mountpoint_last(&nd, path);  in path_mountpoint()
2409 filename_mountpoint(int dfd, struct filename *name, struct path *path,  in filename_mountpoint()  argument
2415 	error = path_mountpoint(dfd, name, path, flags | LOOKUP_RCU);  in filename_mountpoint()
2417 		error = path_mountpoint(dfd, name, path, flags);  in filename_mountpoint()
2419 		error = path_mountpoint(dfd, name, path, flags | LOOKUP_REVAL);  in filename_mountpoint()
2421 		audit_inode(name, path->dentry, 0);  in filename_mountpoint()
2442 			struct path *path)  in user_path_mountpoint_at()  argument
2444 	return filename_mountpoint(dfd, getname(name), path, flags);  in user_path_mountpoint_at()
2448 kern_path_mountpoint(int dfd, const char *name, struct path *path,  in kern_path_mountpoint()  argument
2451 	return filename_mountpoint(dfd, getname_kernel(name), path, flags);  in kern_path_mountpoint()
2604 static int may_open(struct path *path, int acc_mode, int flag)  in may_open()  argument
2606 	struct dentry *dentry = path->dentry;  in may_open()
2626 		if (path->mnt->mnt_flags & MNT_NODEV)  in may_open()
2658 	struct path *path = &filp->f_path;  in handle_truncate()  local
2659 	struct inode *inode = path->dentry->d_inode;  in handle_truncate()
2668 		error = security_path_truncate(path);  in handle_truncate()
2670 		error = do_truncate(path->dentry, 0,  in handle_truncate()
2685 static int may_o_create(struct path *dir, struct dentry *dentry, umode_t mode)  in may_o_create()
2712 			struct path *path, struct file *file,  in atomic_open()  argument
2717 	struct inode *dir =  nd->path.dentry->d_inode;  in atomic_open()
2771 		error = may_o_create(&nd->path, dentry, mode);  in atomic_open()
2784 	file->f_path.mnt = nd->path.mnt;  in atomic_open()
2848 	path->dentry = dentry;  in atomic_open()
2849 	path->mnt = nd->path.mnt;  in atomic_open()
2871 static int lookup_open(struct nameidata *nd, struct path *path,  in lookup_open()  argument
2876 	struct dentry *dir = nd->path.dentry;  in lookup_open()
2892 		return atomic_open(nd, dentry, path, file, op, got_write,  in lookup_open()
2921 		error = security_path_mknod(&nd->path, dentry, mode, 0);  in lookup_open()
2930 	path->dentry = dentry;  in lookup_open()
2931 	path->mnt = nd->path.mnt;  in lookup_open()
2942 static int do_last(struct nameidata *nd, struct path *path,  in do_last()  argument
2946 	struct dentry *dir = nd->path.dentry;  in do_last()
2953 	struct path save_parent = { .dentry = NULL, .mnt = NULL };  in do_last()
2973 		error = lookup_fast(nd, path, &inode);  in do_last()
3001 		error = mnt_want_write(nd->path.mnt);  in do_last()
3011 	error = lookup_open(nd, path, file, op, got_write, opened);  in do_last()
3031 		path_to_nameidata(path, nd);  in do_last()
3038 	if (d_is_positive(path->dentry))  in do_last()
3039 		audit_inode(name, path->dentry, 0);  in do_last()
3047 		mnt_drop_write(nd->path.mnt);  in do_last()
3055 	error = follow_managed(path, nd->flags);  in do_last()
3063 	inode = path->dentry->d_inode;  in do_last()
3065 	if (d_is_negative(path->dentry)) {  in do_last()
3066 		path_to_nameidata(path, nd);  in do_last()
3069 	inode = path->dentry->d_inode;  in do_last()
3072 	if (should_follow_link(path->dentry, !symlink_ok)) {  in do_last()
3074 			if (unlikely(nd->path.mnt != path->mnt ||  in do_last()
3075 				     unlazy_walk(nd, path->dentry))) {  in do_last()
3080 		BUG_ON(inode != path->dentry->d_inode);  in do_last()
3084 	if ((nd->flags & LOOKUP_RCU) || nd->path.mnt != path->mnt) {  in do_last()
3085 		path_to_nameidata(path, nd);  in do_last()
3087 		save_parent.dentry = nd->path.dentry;  in do_last()
3088 		save_parent.mnt = mntget(path->mnt);  in do_last()
3089 		nd->path.dentry = path->dentry;  in do_last()
3100 	audit_inode(name, nd->path.dentry, 0);  in do_last()
3102 	if ((open_flag & O_CREAT) && d_is_dir(nd->path.dentry))  in do_last()
3105 	if ((nd->flags & LOOKUP_DIRECTORY) && !d_can_lookup(nd->path.dentry))  in do_last()
3107 	if (!d_is_reg(nd->path.dentry))  in do_last()
3111 		error = mnt_want_write(nd->path.mnt);  in do_last()
3117 	error = may_open(&nd->path, acc_mode, open_flag);  in do_last()
3122 	error = vfs_open(&nd->path, file, current_cred());  in do_last()
3149 		mnt_drop_write(nd->path.mnt);  in do_last()
3155 	path_put_conditional(path, nd);  in do_last()
3167 	path_put(&nd->path);  in do_last()
3168 	nd->path = save_parent;  in do_last()
3173 		mnt_drop_write(nd->path.mnt);  in do_last()
3192 	error = mnt_want_write(nd->path.mnt);  in do_tmpfile()
3199 	dentry = nd->path.dentry;  in do_tmpfile()
3212 	dput(nd->path.dentry);  in do_tmpfile()
3213 	nd->path.dentry = child;  in do_tmpfile()
3214 	error = dir->i_op->tmpfile(dir, nd->path.dentry, op->mode);  in do_tmpfile()
3217 	audit_inode(pathname, nd->path.dentry, 0);  in do_tmpfile()
3219 	error = may_open(&nd->path, MAY_OPEN, op->open_flag);  in do_tmpfile()
3222 	file->f_path.mnt = nd->path.mnt;  in do_tmpfile()
3223 	error = finish_open(file, nd->path.dentry, NULL, opened);  in do_tmpfile()
3236 	mnt_drop_write(nd->path.mnt);  in do_tmpfile()
3238 	path_put(&nd->path);  in do_tmpfile()
3246 	struct path path;  in path_openat()  local
3265 	error = do_last(nd, &path, file, op, &opened, pathname);  in path_openat()
3267 		struct path link = path;  in path_openat()
3270 			path_put_conditional(&path, nd);  in path_openat()
3271 			path_put(&nd->path);  in path_openat()
3283 		error = do_last(nd, &path, file, op, &opened, pathname);  in path_openat()
3348 				struct path *path, unsigned int lookup_flags)  in filename_create()  argument
3376 	err2 = mnt_want_write(nd.path.mnt);  in filename_create()
3380 	mutex_lock_nested(&nd.path.dentry->d_inode->i_mutex, I_MUTEX_PARENT);  in filename_create()
3403 	*path = nd.path;  in filename_create()
3409 	mutex_unlock(&nd.path.dentry->d_inode->i_mutex);  in filename_create()
3411 		mnt_drop_write(nd.path.mnt);  in filename_create()
3413 	path_put(&nd.path);  in filename_create()
3418 				struct path *path, unsigned int lookup_flags)  in kern_path_create()  argument
3425 	res = filename_create(dfd, filename, path, lookup_flags);  in kern_path_create()
3431 void done_path_create(struct path *path, struct dentry *dentry)  in done_path_create()  argument
3434 	mutex_unlock(&path->dentry->d_inode->i_mutex);  in done_path_create()
3435 	mnt_drop_write(path->mnt);  in done_path_create()
3436 	path_put(path);  in done_path_create()
3441 				struct path *path, unsigned int lookup_flags)  in user_path_create()  argument
3447 	res = filename_create(dfd, tmp, path, lookup_flags);  in user_path_create()
3502 	struct path path;  in SYSCALL_DEFINE4()  local
3510 	dentry = user_path_create(dfd, filename, &path, lookup_flags);  in SYSCALL_DEFINE4()
3514 	if (!IS_POSIXACL(path.dentry->d_inode))  in SYSCALL_DEFINE4()
3516 	error = security_path_mknod(&path, dentry, mode, dev);  in SYSCALL_DEFINE4()
3521 			error = vfs_create(path.dentry->d_inode,dentry,mode,true);  in SYSCALL_DEFINE4()
3524 			error = vfs_mknod(path.dentry->d_inode,dentry,mode,  in SYSCALL_DEFINE4()
3528 			error = vfs_mknod(path.dentry->d_inode,dentry,mode,0);  in SYSCALL_DEFINE4()
3532 	done_path_create(&path, dentry);  in SYSCALL_DEFINE4()
3574 	struct path path;  in SYSCALL_DEFINE3()  local
3579 	dentry = user_path_create(dfd, pathname, &path, lookup_flags);  in SYSCALL_DEFINE3()
3583 	if (!IS_POSIXACL(path.dentry->d_inode))  in SYSCALL_DEFINE3()
3585 	error = security_path_mkdir(&path, dentry, mode);  in SYSCALL_DEFINE3()
3587 		error = vfs_mkdir(path.dentry->d_inode, dentry, mode);  in SYSCALL_DEFINE3()
3588 	done_path_create(&path, dentry);  in SYSCALL_DEFINE3()
3690 	error = mnt_want_write(nd.path.mnt);  in do_rmdir()
3694 	mutex_lock_nested(&nd.path.dentry->d_inode->i_mutex, I_MUTEX_PARENT);  in do_rmdir()
3703 	error = security_path_rmdir(&nd.path, dentry);  in do_rmdir()
3706 	error = vfs_rmdir(nd.path.dentry->d_inode, dentry);  in do_rmdir()
3710 	mutex_unlock(&nd.path.dentry->d_inode->i_mutex);  in do_rmdir()
3711 	mnt_drop_write(nd.path.mnt);  in do_rmdir()
3713 	path_put(&nd.path);  in do_rmdir()
3810 	error = mnt_want_write(nd.path.mnt);  in do_unlinkat()
3814 	mutex_lock_nested(&nd.path.dentry->d_inode->i_mutex, I_MUTEX_PARENT);  in do_unlinkat()
3825 		error = security_path_unlink(&nd.path, dentry);  in do_unlinkat()
3828 		error = vfs_unlink(nd.path.dentry->d_inode, dentry, &delegated_inode);  in do_unlinkat()
3832 	mutex_unlock(&nd.path.dentry->d_inode->i_mutex);  in do_unlinkat()
3841 	mnt_drop_write(nd.path.mnt);  in do_unlinkat()
3843 	path_put(&nd.path);  in do_unlinkat()
3905 	struct path path;  in SYSCALL_DEFINE3()  local
3912 	dentry = user_path_create(newdfd, newname, &path, lookup_flags);  in SYSCALL_DEFINE3()
3917 	error = security_path_symlink(&path, dentry, from->name);  in SYSCALL_DEFINE3()
3919 		error = vfs_symlink(path.dentry->d_inode, dentry, from->name);  in SYSCALL_DEFINE3()
3920 	done_path_create(&path, dentry);  in SYSCALL_DEFINE3()
4021 	struct path old_path, new_path;  in SYSCALL_DEFINE5()
4308 	if (oldnd.path.mnt != newnd.path.mnt)  in SYSCALL_DEFINE5()
4311 	old_dir = oldnd.path.dentry;  in SYSCALL_DEFINE5()
4316 	new_dir = newnd.path.dentry;  in SYSCALL_DEFINE5()
4322 	error = mnt_want_write(oldnd.path.mnt);  in SYSCALL_DEFINE5()
4378 	error = security_path_rename(&oldnd.path, old_dentry,  in SYSCALL_DEFINE5()
4379 				     &newnd.path, new_dentry, flags);  in SYSCALL_DEFINE5()
4396 	mnt_drop_write(oldnd.path.mnt);  in SYSCALL_DEFINE5()
4400 	path_put(&newnd.path);  in SYSCALL_DEFINE5()
4403 	path_put(&oldnd.path);  in SYSCALL_DEFINE5()