On Wed, Oct 26, 2016 at 09:53:43AM -0400, Bob Peterson wrote: > It's unlikely, but bio_alloc can return NULL; shouldn't the code be > checking for that? No, a sleeping bio_alloc can not return NULL. If it did our I/O code would break down badly - take a look at the implementation, the bio_alloc_bioset documentation even explains this in detail. > | + if (dio->error) > | + return 0; > | + > | + bio = bio_alloc(GFP_KERNEL, nr_pages); > > Same here. Also: the code that follows is nearly identical; do you want to make > it a macro or inline function or something? I'll take a look, but having another helper needed to follow for a trivial struct initialization doesn't seem all that useful. -- To unsubscribe from this list: send the line "unsubscribe linux-block" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
