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-rw-r--r--drivers/block/rbd.c18
1 files changed, 11 insertions, 7 deletions
diff --git a/drivers/block/rbd.c b/drivers/block/rbd.c
index 8f2c39a..a29c6d2 100644
--- a/drivers/block/rbd.c
+++ b/drivers/block/rbd.c
@@ -1164,7 +1164,6 @@ static int rbd_do_op(struct request *rq,
struct rbd_device *rbd_dev,
struct ceph_snap_context *snapc,
u64 snapid,
- int opcode, int flags,
u64 ofs, u64 len,
struct bio *bio,
struct rbd_req_coll *coll,
@@ -1176,6 +1175,8 @@ static int rbd_do_op(struct request *rq,
int ret;
struct ceph_osd_req_op *ops;
u32 payload_len;
+ int opcode;
+ int flags;
seg_name = rbd_segment_name(rbd_dev, ofs);
if (!seg_name)
@@ -1183,7 +1184,15 @@ static int rbd_do_op(struct request *rq,
seg_len = rbd_segment_length(rbd_dev, ofs, len);
seg_ofs = rbd_segment_offset(rbd_dev, ofs);
- payload_len = (flags & CEPH_OSD_FLAG_WRITE ? seg_len : 0);
+ if (rq_data_dir(rq) == WRITE) {
+ opcode = CEPH_OSD_OP_WRITE;
+ flags = CEPH_OSD_FLAG_WRITE|CEPH_OSD_FLAG_ONDISK;
+ payload_len = seg_len;
+ } else {
+ opcode = CEPH_OSD_OP_READ;
+ flags = CEPH_OSD_FLAG_READ;
+ payload_len = 0;
+ }
ret = -ENOMEM;
ops = rbd_create_rw_ops(1, opcode, payload_len);
@@ -1519,16 +1528,11 @@ static void rbd_rq_fn(struct request_queue *q)
if (do_write)
(void) rbd_do_op(rq, rbd_dev,
snapc, CEPH_NOSNAP,
- CEPH_OSD_OP_WRITE,
- CEPH_OSD_FLAG_WRITE |
- CEPH_OSD_FLAG_ONDISK,
ofs, op_size, bio,
coll, cur_seg);
else
(void) rbd_do_op(rq, rbd_dev,
NULL, rbd_dev->mapping.snap_id,
- CEPH_OSD_OP_READ,
- CEPH_OSD_FLAG_READ,
ofs, op_size, bio,
coll, cur_seg);
next_seg:
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