rbd: drop flags parameter from rbd_req_sync_exec()

All callers of rbd_req_sync_exec() pass CEPH_OSD_FLAG_READ as their
flags argument.  Delete that parameter and use CEPH_OSD_FLAG_READ
within the function.  If we find a need to support write operations
we can add it back again.

Signed-off-by: Alex Elder <elder@inktank.com>
Reviewed-by: Josh Durgin <josh.durgin@inktank.com>

diff --git a/drivers/block/rbd.c b/drivers/block/rbd.c
index 07e064482cd8adce4bb2908f7869535afab4e47b..5d48bcd1709bfdfcbe4ae13e83e80f3c63551db2 100644 (file)
--- a/drivers/block/rbd.c
+++ b/drivers/block/rbd.c
@@ -1524,7 +1524,6 @@ static int rbd_req_sync_exec(struct rbd_device *rbd_dev,
                             size_t outbound_size,
                             char *inbound,
                             size_t inbound_size,
-                            int flags,
                             u64 *ver)
 {
        struct ceph_osd_req_op *ops;
@@ -1555,8 +1554,7 @@ static int rbd_req_sync_exec(struct rbd_device *rbd_dev,
        ops[0].cls.indata_len = outbound_size;
 
        ret = rbd_req_sync_op(rbd_dev, NULL,
-                              CEPH_NOSNAP,
-                              flags, ops,
+                              CEPH_NOSNAP, CEPH_OSD_FLAG_READ, ops,
                               object_name, 0, inbound_size, inbound,
                               NULL, ver);
 
@@ -2418,8 +2416,7 @@ static int _rbd_dev_v2_snap_size(struct rbd_device *rbd_dev, u64 snap_id,
        ret = rbd_req_sync_exec(rbd_dev, rbd_dev->header_name,
                                "rbd", "get_size",
                                (char *) &snapid, sizeof (snapid),
-                               (char *) &size_buf, sizeof (size_buf),
-                               CEPH_OSD_FLAG_READ, NULL);
+                               (char *) &size_buf, sizeof (size_buf), NULL);
        dout("%s: rbd_req_sync_exec returned %d\n", __func__, ret);
        if (ret < 0)
                return ret;
@@ -2454,8 +2451,7 @@ static int rbd_dev_v2_object_prefix(struct rbd_device *rbd_dev)
        ret = rbd_req_sync_exec(rbd_dev, rbd_dev->header_name,
                                "rbd", "get_object_prefix",
                                NULL, 0,
-                               reply_buf, RBD_OBJ_PREFIX_LEN_MAX,
-                               CEPH_OSD_FLAG_READ, NULL);
+                               reply_buf, RBD_OBJ_PREFIX_LEN_MAX, NULL);
        dout("%s: rbd_req_sync_exec returned %d\n", __func__, ret);
        if (ret < 0)
                goto out;
@@ -2494,7 +2490,7 @@ static int _rbd_dev_v2_snap_features(struct rbd_device *rbd_dev, u64 snap_id,
                                "rbd", "get_features",
                                (char *) &snapid, sizeof (snapid),
                                (char *) &features_buf, sizeof (features_buf),
-                               CEPH_OSD_FLAG_READ, NULL);
+                               NULL);
        dout("%s: rbd_req_sync_exec returned %d\n", __func__, ret);
        if (ret < 0)
                return ret;
@@ -2549,8 +2545,7 @@ static int rbd_dev_v2_parent_info(struct rbd_device *rbd_dev)
        ret = rbd_req_sync_exec(rbd_dev, rbd_dev->header_name,
                                "rbd", "get_parent",
                                (char *) &snapid, sizeof (snapid),
-                               (char *) reply_buf, size,
-                               CEPH_OSD_FLAG_READ, NULL);
+                               (char *) reply_buf, size, NULL);
        dout("%s: rbd_req_sync_exec returned %d\n", __func__, ret);
        if (ret < 0)
                goto out_err;
@@ -2615,8 +2610,7 @@ static char *rbd_dev_image_name(struct rbd_device *rbd_dev)
        ret = rbd_req_sync_exec(rbd_dev, RBD_DIRECTORY,
                                "rbd", "dir_get_name",
                                image_id, image_id_size,
-                               (char *) reply_buf, size,
-                               CEPH_OSD_FLAG_READ, NULL);
+                               (char *) reply_buf, size, NULL);
        if (ret < 0)
                goto out;
        p = reply_buf;
@@ -2722,8 +2716,7 @@ static int rbd_dev_v2_snap_context(struct rbd_device *rbd_dev, u64 *ver)
        ret = rbd_req_sync_exec(rbd_dev, rbd_dev->header_name,
                                "rbd", "get_snapcontext",
                                NULL, 0,
-                               reply_buf, size,
-                               CEPH_OSD_FLAG_READ, ver);
+                               reply_buf, size, ver);
        dout("%s: rbd_req_sync_exec returned %d\n", __func__, ret);
        if (ret < 0)
                goto out;
@@ -2792,8 +2785,7 @@ static char *rbd_dev_v2_snap_name(struct rbd_device *rbd_dev, u32 which)
        ret = rbd_req_sync_exec(rbd_dev, rbd_dev->header_name,
                                "rbd", "get_snapshot_name",
                                (char *) &snap_id, sizeof (snap_id),
-                               reply_buf, size,
-                               CEPH_OSD_FLAG_READ, NULL);
+                               reply_buf, size, NULL);
        dout("%s: rbd_req_sync_exec returned %d\n", __func__, ret);
        if (ret < 0)
                goto out;
@@ -3401,8 +3393,7 @@ static int rbd_dev_image_id(struct rbd_device *rbd_dev)
        ret = rbd_req_sync_exec(rbd_dev, object_name,
                                "rbd", "get_id",
                                NULL, 0,
-                               response, RBD_IMAGE_ID_LEN_MAX,
-                               CEPH_OSD_FLAG_READ, NULL);
+                               response, RBD_IMAGE_ID_LEN_MAX, NULL);
        dout("%s: rbd_req_sync_exec returned %d\n", __func__, ret);
        if (ret < 0)
                goto out;