tgtd doesn't affect semantics of caching, so we can always turn on cache feature of sheepdog layer. Signed-off-by: Hitoshi Mitake <mitake.hitoshi@xxxxxxxxxxxxx> --- usr/bs_sheepdog.c | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) diff --git a/usr/bs_sheepdog.c b/usr/bs_sheepdog.c index 6d60bd6..a333675 100644 --- a/usr/bs_sheepdog.c +++ b/usr/bs_sheepdog.c @@ -795,13 +795,19 @@ retry: old_oid = 0; if (write) { + /* + * tgt doesn't affect semantics of caching, so we can + * always turn on cache of sheep layer + */ + flags = SD_FLAG_CMD_CACHE; + if (ai->inode.data_vdi_id[idx] != vid) { create = 1; if (ai->inode.data_vdi_id[idx]) { /* COW */ old_oid = oid; - flags = SD_FLAG_CMD_COW; + flags |= SD_FLAG_CMD_COW; } oid = vid_to_data_oid(ai->inode.vdi_id, idx); -- 1.9.1 -- To unsubscribe from this list: send the line "unsubscribe stgt" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html