fuse_truncate    1302 fs/fuse/dir.c  			fuse_truncate(inode->i_mapping, outarg.attr.size);
fuse_truncate     547 fs/fuse/fuse_i.h void fuse_truncate(struct address_space *mapping, loff_t offset);
fuse_truncate     184 fs/fuse/inode.c 			fuse_truncate(inode->i_mapping, attr->size);