Re: [PATCH] loop.c patches, take two

[Mika Penttilä]

static inline void loop_handle_bio(struct loop_device *lo, struct bio *bio)
{
	int ret;
+	struct bio *rbh;

-	/*
-	 * For block backed loop, we know this is a READ
-	 */
	if (lo->lo_flags & LO_FLAGS_DO_BMAP) {
		ret = do_bio_filebacked(lo, bio);
		bio_endio(bio, bio->bi_size, ret);
-	} else {
-		struct bio *rbh = bio->bi_private;
+	} else if (bio_rw(bio) == WRITE) {
+		/*


AFAICS, this code path is never taken. You don't queue block device writes for the loop thread.


+		 * Write complete, but more pages remain;
+		 * encrypt and write some more pages
+		 */
+		loop_recycle_buffer(lo, bio);



--Mika



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