Changeset f8838b8 in mainline

Timestamp:

2011-11-05T15:16:23Z (13 years ago)

Author:

Maurizio Lombardi <m.lombardi85@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

41e9ef7

Parents:

f346039

Message:

flag, instance, and fs_handle fields can be sent together in a single IPC message

Location:

uspace

Files:

• lib/c/generic/vfs/vfs.c (modified) (1 diff)
• srv/vfs/vfs_ops.c (modified) (1 diff)

uspace/lib/c/generic/vfs/vfs.c

@@ -875 +875 @@
                 sysarg_t p[3];
 
-                int j;
-                for (j = 0; j < 3; ++j) {
-                        rc = async_req_0_1(exch, VFS_IN_PING, &p[j]);
-                        if (rc != EOK)
-                                goto exit;
-                }
+                rc = async_req_0_3(exch, VFS_IN_PING, &p[0], &p[1], &p[2]);
+                if (rc != EOK)
+                        goto exit;
 
                 mtab_ent->flags = p[0];

uspace/srv/vfs/vfs_ops.c

@@ -1384 +1384 @@
                     str_size(mtab_ent->fs_name));
 
-                sysarg_t p[3];
-
-                p[0] = mtab_ent->flags;
-                p[1] = mtab_ent->instance;
-                p[2] = mtab_ent->fs_handle;
-
-                int i;
-                for (i = 0; i < 3; ++i) {
-                        callid = async_get_call(&data);
-                        if (IPC_GET_IMETHOD(data) != VFS_IN_PING) {
-                                rc = ENOTSUP;
-                                async_answer_1(callid, rc, 0);
-                                goto exit;
-                        }
-                        async_answer_1(callid, EOK, p[i]);
+                callid = async_get_call(&data);
+
+                if (IPC_GET_IMETHOD(data) != VFS_IN_PING) {
+                        rc = ENOTSUP;
+                        async_answer_1(callid, rc, 0);
+                        goto exit;
                 }
 
                 rc = EOK;
+                async_answer_3(callid, rc, mtab_ent->flags, mtab_ent->instance,
+                    mtab_ent->fs_handle);
         }