40 	struct file *filp)  in do_truncate()
168 	if (!f.file)  in do_sys_ftruncate()
172 	if (f.file->f_flags & O_LARGEFILE)  in do_sys_ftruncate()
175 	dentry = f.file->f_path.dentry;  in do_sys_ftruncate()
178 	if (!S_ISREG(inode->i_mode) || !(f.file->f_mode & FMODE_WRITE))  in do_sys_ftruncate()
188 	if (IS_APPEND(file_inode(f.file)))  in do_sys_ftruncate()
192 	error = locks_verify_truncate(inode, f.file, length);  in do_sys_ftruncate()
194 		error = security_path_truncate(&f.file->f_path);  in do_sys_ftruncate()
196 		error = do_truncate(dentry, length, ATTR_MTIME|ATTR_CTIME, f.file);  in do_sys_ftruncate()
230 int vfs_fallocate(struct file *file, int mode, loff_t offset, loff_t len)  in vfs_fallocate()  argument
232 	struct inode *inode = file_inode(file);  in vfs_fallocate()
267 	if (!(file->f_mode & FMODE_WRITE))  in vfs_fallocate()
289 	ret = security_file_permission(file, MAY_WRITE);  in vfs_fallocate()
306 	if (!file->f_op->fallocate)  in vfs_fallocate()
309 	file_start_write(file);  in vfs_fallocate()
310 	ret = file->f_op->fallocate(file, mode, offset, len);  in vfs_fallocate()
320 		fsnotify_modify(file);  in vfs_fallocate()
322 	file_end_write(file);  in vfs_fallocate()
332 	if (f.file) {  in ksys_fallocate()
333 		error = vfs_fallocate(f.file, mode, offset, len);  in ksys_fallocate()
518 	if (!f.file)  in SYSCALL_DEFINE1()
522 	if (!d_can_lookup(f.file->f_path.dentry))  in SYSCALL_DEFINE1()
525 	error = inode_permission(file_inode(f.file), MAY_EXEC | MAY_CHDIR);  in SYSCALL_DEFINE1()
527 		set_fs_pwd(current->fs, &f.file->f_path);  in SYSCALL_DEFINE1()
596 int vfs_fchmod(struct file *file, umode_t mode)  in vfs_fchmod()  argument
598 	audit_file(file);  in vfs_fchmod()
599 	return chmod_common(&file->f_path, mode);  in vfs_fchmod()
607 	if (f.file) {  in SYSCALL_DEFINE2()
608 		err = vfs_fchmod(f.file, mode);  in SYSCALL_DEFINE2()
734 int vfs_fchown(struct file *file, uid_t user, gid_t group)  in vfs_fchown()  argument
738 	error = mnt_want_write_file(file);  in vfs_fchown()
741 	audit_file(file);  in vfs_fchown()
742 	error = chown_common(&file->f_path, user, group);  in vfs_fchown()
743 	mnt_drop_write_file(file);  in vfs_fchown()
752 	if (f.file) {  in ksys_fchown()
753 		error = vfs_fchown(f.file, user, group);  in ksys_fchown()
764 static int do_dentry_open(struct file *f,  in do_dentry_open()  argument
766 			  int (*open)(struct inode *, struct file *))  in do_dentry_open()
896 int finish_open(struct file *file, struct dentry *dentry,  in finish_open()  argument
897 		int (*open)(struct inode *, struct file *))  in finish_open()
899 	BUG_ON(file->f_mode & FMODE_OPENED); /* once it's opened, it's opened */  in finish_open()
901 	file->f_path.dentry = dentry;  in finish_open()
902 	return do_dentry_open(file, d_backing_inode(dentry), open);  in finish_open()
920 int finish_no_open(struct file *file, struct dentry *dentry)  in finish_no_open()  argument
922 	file->f_path.dentry = dentry;  in finish_no_open()
927 char *file_path(struct file *filp, char *buf, int buflen)  in file_path()
939 int vfs_open(const struct path *path, struct file *file)  in vfs_open()  argument
941 	file->f_path = *path;  in vfs_open()
942 	return do_dentry_open(file, d_backing_inode(path->dentry), NULL);  in vfs_open()
945 struct file *dentry_open(const struct path *path, int flags,  in dentry_open()
949 	struct file *f;  in dentry_open()
968 struct file *open_with_fake_path(const struct path *path, int flags,  in open_with_fake_path()
971 	struct file *f = alloc_empty_file_noaccount(flags, cred);  in open_with_fake_path()
1135 struct file *file_open_name(struct filename *name, int flags, umode_t mode)  in file_open_name()
1156 struct file *filp_open(const char *filename, int flags, umode_t mode)  in filp_open()
1159 	struct file *file = ERR_CAST(name);  in filp_open()  local
1162 		file = file_open_name(name, flags, mode);  in filp_open()
1165 	return file;  in filp_open()
1170 struct file *filp_open_block(const char *filename, int flags, umode_t mode)  in filp_open_block()
1172 	struct file *file;  in filp_open_block()  local
1174 	file = filp_open(filename, flags, mode);  in filp_open_block()
1175 	if (IS_ERR(file))  in filp_open_block()
1179 	if (!S_ISBLK(file->f_mapping->host->i_mode)) {  in filp_open_block()
1180 		filp_close(file, NULL);  in filp_open_block()
1181 		file = ERR_PTR(-ENOTBLK);  in filp_open_block()
1185 	return file;  in filp_open_block()
1189 struct file *file_open_root(struct dentry *dentry, struct vfsmount *mnt,  in file_open_root()
1217 		struct file *f = do_filp_open(dfd, tmp, &op);  in do_sys_openat2()
1315 int filp_close(struct file *filp, fl_owner_t id)  in filp_close()
1392 int generic_file_open(struct inode * inode, struct file * filp)  in generic_file_open()
1407 int nonseekable_open(struct inode *inode, struct file *filp)  in nonseekable_open()
1425 int stream_open(struct inode *inode, struct file *filp)  in stream_open()