mi: rename tmp variable inside nvme_mi_admin_get_log

rename the `tmp` variable into `xfered_size`.
It is hard to figure out a name which can imply that this variable
is used as both input and output parameter, so I choose `xfered_size`
to emphasize the output functionality.

Signed-off-by: Jinliang Wang <jinliangw@google.com>

diff --git a/src/nvme/mi.c b/src/nvme/mi.c
index 1a34208e6f656fe7ee19541c7e18013600dd8fd0..ed112f652dd7c64e2e836f394b0efe82f725ea47 100644 (file)
--- a/src/nvme/mi.c
+++ b/src/nvme/mi.c
@@ -839,7 +839,7 @@ static int __nvme_mi_admin_get_log(nvme_mi_ctrl_t ctrl,
 
 int nvme_mi_admin_get_log(nvme_mi_ctrl_t ctrl, struct nvme_get_log_args *args)
 {
-       const size_t xfer_size = 4096;
+       const size_t max_xfer_size = 4096;
        off_t xfer_offset;
        int rc = 0;
 
@@ -849,25 +849,26 @@ int nvme_mi_admin_get_log(nvme_mi_ctrl_t ctrl, struct nvme_get_log_args *args)
        }
 
        for (xfer_offset = 0; xfer_offset < args->len;) {
-               size_t tmp, cur_xfer_size = xfer_size;
+               size_t xfered_size, cur_xfer_size = max_xfer_size;
                bool final;
 
                if (xfer_offset + cur_xfer_size > args->len)
                        cur_xfer_size = args->len - xfer_offset;
 
-               tmp = cur_xfer_size;
+               xfered_size = cur_xfer_size;
 
                final = xfer_offset + cur_xfer_size >= args->len;
 
+               /* xfered_size is used as both input and output parameter */
                rc = __nvme_mi_admin_get_log(ctrl, args, xfer_offset,
-                                            &tmp, final);
+                                            &xfered_size, final);
                if (rc)
                        break;
 
-               xfer_offset += tmp;
+               xfer_offset += xfered_size;
                /* if we returned less data than expected, consider that
                 * the end of the log page */
-               if (tmp != cur_xfer_size)
+               if (xfered_size != cur_xfer_size)
                        break;
        }