misc/create_inode.c: create directory

The do_mkdir_internal() is used for making dir on the target fs, most of
the code are from debugfs/debugfs.c, the debugfs/debugfs.c will be
modified to use this function.

Signed-off-by: Robert Yang <liezhi.yang@windriver.com>
Reviewed-by: Darren Hart <dvhart@linux.intel.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>

diff --git a/misc/create_inode.c b/misc/create_inode.c
index 98f4a93..6a8c92a 100644 (file)
--- a/misc/create_inode.c
+++ b/misc/create_inode.c
@@ -135,6 +135,37 @@ try_again:
 /* Make a directory in the fs */
 errcode_t do_mkdir_internal(ext2_ino_t cwd, const char *name, struct stat *st)
 {
+       char                    *cp;
+       ext2_ino_t              parent_ino, ino;
+       errcode_t               retval;
+       struct ext2_inode       inode;
+
+
+       cp = strrchr(name, '/');
+       if (cp) {
+               *cp = 0;
+               if ((retval =  ext2fs_namei(current_fs, root, cwd, name, &parent_ino))){
+                       com_err(name, retval, 0);
+                       return retval;
+               }
+               name = cp+1;
+       } else
+               parent_ino = cwd;
+
+try_again:
+       retval = ext2fs_mkdir(current_fs, parent_ino, 0, name);
+       if (retval == EXT2_ET_DIR_NO_SPACE) {
+               retval = ext2fs_expand_dir(current_fs, parent_ino);
+               if (retval) {
+                       com_err(__func__, retval, "while expanding directory");
+                       return retval;
+               }
+               goto try_again;
+       }
+       if (retval) {
+               com_err("ext2fs_mkdir", retval, 0);
+               return retval;
+       }
 }
 
 static errcode_t copy_file(int fd, ext2_ino_t newfile, int bufsize, int make_holes)