It is required for iSCSI multipath with sheepdog.
Signed-off-by: Hitoshi Mitake <mitake.hitoshi@xxxxxxxxxxxxx>
---
usr/bs_sheepdog.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/usr/bs_sheepdog.c b/usr/bs_sheepdog.c
index 09ba470..06f2995 100644
--- a/usr/bs_sheepdog.c
+++ b/usr/bs_sheepdog.c
@@ -66,6 +66,9 @@
#define SD_FLAG_CMD_COW 0x02
#define SD_FLAG_CMD_CACHE 0x04 /* Writeback mode for cache */
#define SD_FLAG_CMD_DIRECT 0x08 /* Don't use cache */
+/* return something back while sending something to sheep */
+#define SD_FLAG_CMD_PIGGYBACK 0x10
+#define SD_FLAG_CMD_TGT 0x20
#define SD_RES_SUCCESS 0x00 /* Success */
#define SD_RES_UNKNOWN 0x01 /* Unknown error */
@@ -693,6 +696,7 @@ static int read_write_object(struct sheepdog_access_info *ai, char *buf,
hdr.data_length = datalen;
hdr.offset = offset;
hdr.copies = copies;
+ hdr.flags |= SD_FLAG_CMD_TGT;
ret = do_req(ai, (struct sheepdog_req *)&hdr, buf, &wlen, &rlen);
if (ret) {
@@ -1171,6 +1175,7 @@ trans_to_expect_nothing:
ai->min_dirty_data_idx = UINT32_MAX;
ai->max_dirty_data_idx = 0;
+retry:
ret = read_object(ai, (char *)&ai->inode, vid_to_vdi_oid(vid),
0, SD_INODE_SIZE, 0, &need_reload);
if (ret)
--
1.8.3.2
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