---

yaml --- r: 281442 b: refs/heads/master c: 361aba5 h: refs/heads/master v: v3
git-mirror · Jan 6, 2012 · 8216ff7 · 8216ff7
1 parent 0a2e9ee
commit 8216ff7
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Showing 3 changed files with 7 additions and 3 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: ffefb8eaa367e8a5c14f779233d9da1fbc23d164
+refs/heads/master: 361aba569f55dd159b850489a3538253afbb3973
diff --git a/trunk/fs/exofs/ore.c b/trunk/fs/exofs/ore.c
@@ -266,7 +266,7 @@ int  ore_get_rw_state(struct ore_layout *layout, struct ore_components *oc,
 
 			/* first/last seg is split */
 			num_raid_units += layout->group_width;
-			sgs_per_dev = div_u64(num_raid_units, data_devs);
+			sgs_per_dev = div_u64(num_raid_units, data_devs) + 2;
 		} else {
 			/* For Writes add parity pages array. */
 			max_par_pages = num_raid_units * pages_in_unit *

diff --git a/trunk/fs/exofs/ore_raid.c b/trunk/fs/exofs/ore_raid.c
@@ -551,7 +551,11 @@ int _ore_add_parity_unit(struct ore_io_state *ios,
 			    unsigned cur_len)
 {
 	if (ios->reading) {
-		BUG_ON(per_dev->cur_sg >= ios->sgs_per_dev);
+		if (per_dev->cur_sg >= ios->sgs_per_dev) {
+			ORE_DBGMSG("cur_sg(%d) >= sgs_per_dev(%d)\n" ,
+				per_dev->cur_sg, ios->sgs_per_dev);
+			return -ENOMEM;
+		}
 		_ore_add_sg_seg(per_dev, cur_len, true);
 	} else {
 		struct __stripe_pages_2d *sp2d = ios->sp2d;