create() writes to abstract variable for inode

5232ea06 · Nickolai Zeldovich · 75640e70 · 5232ea06
--- a/kernel/sysfile.cc
+++ b/kernel/sysfile.cc
@@ -215,6 +215,9 @@ create(inode *cwd, const char *path, short type, short major, short minor)
 {
  struct inode *ip, *dp;
  char name[DIRSIZ];
+  mt_ascope ascope("%s(%d.%d,%s,%d,%d,%d)",
+                   __func__, cwd->dev, cwd->inum,
+                   path, type, major, minor);

 retry:
  if((dp = nameiparent(cwd, path, name)) == 0)
@@ -239,6 +242,8 @@ create(inode *cwd, const char *path, short type, short major, short minor)
  ip->nlink = 1;
  iupdate(ip);

+  mtwriteavar("inode:%x.%x", ip->dev, ip->inum);
+
  if(type == T_DIR){  // Create . and .. entries.
    dp->nlink++;  // for ".."
    iupdate(dp);