---

yaml --- r: 169065 b: refs/heads/master c: 0a1f127 h: refs/heads/master i: 169063: 74d38b7 v: v3
git-mirror · Dec 2, 2009 · 24fbe73 · 24fbe73
1 parent a09ca8e
commit 24fbe73
Show file tree

Hide file tree

Showing 2 changed files with 22 additions and 3 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: ca0297015d4f117005718e01aa368875abcccbc5
+refs/heads/master: 0a1f127a0594d62cb23c26732686d0e2b097b264
diff --git a/trunk/drivers/block/aoe/aoecmd.c b/trunk/drivers/block/aoe/aoecmd.c
@@ -735,6 +735,21 @@ diskstats(struct gendisk *disk, struct bio *bio, ulong duration, sector_t sector
 	part_stat_unlock();
 }
 
+/*
+ * Ensure we don't create aliases in VI caches
+ */
+static inline void
+killalias(struct bio *bio)
+{
+	struct bio_vec *bv;
+	int i;
+
+	if (bio_data_dir(bio) == READ)
+		__bio_for_each_segment(bv, bio, i, 0) {
+			flush_dcache_page(bv->bv_page);
+		}
+}
+
 void
 aoecmd_ata_rsp(struct sk_buff *skb)
 {
@@ -853,8 +868,12 @@ aoecmd_ata_rsp(struct sk_buff *skb)
 
 	if (buf && --buf->nframesout == 0 && buf->resid == 0) {
 		diskstats(d->gd, buf->bio, jiffies - buf->stime, buf->sector);
-		n = (buf->flags & BUFFL_FAIL) ? -EIO : 0;
-		bio_endio(buf->bio, n);
+		if (buf->flags & BUFFL_FAIL)
+			bio_endio(buf->bio, -EIO);
+		else {
+			killalias(buf->bio);
+			bio_endio(buf->bio, 0);
+		}
 		mempool_free(buf, d->bufpool);
 	}