xiaoxiang781216 commented on code in PR #14901:
URL: https://github.com/apache/nuttx/pull/14901#discussion_r1856566565


##########
fs/littlefs/lfs_vfs.c:
##########
@@ -816,16 +834,31 @@ static int littlefs_fchstat(FAR const struct file *filep,
   inode = filep->f_inode;
   fs    = inode->i_private;
 
+  path = lib_get_pathbuffer();
+  if (path == NULL)
+    {
+      return -ENOMEM;
+    }
+
   /* Call LFS to get file size */
 
+  ret = littlefs_convert_result(lfs_file_path(&fs->lfs, &priv->file, path,

Review Comment:
   > sigh. let me repeat my claim again. these local patches should not have 
been merged in the first place
   
   https://github.com/apache/nuttx/blob/master/INVIOLABLES.md doesn't prohibit 
to patch the 3rd project. Sometimes, it's necessary to patch their code.
   
   > because they broke "other people's cases". 
   
   Reverting patch also broke "other people's cases" too. @crafcat7 create 
https://github.com/apache/nuttx/pull/11729 because @jturnsek ask this feature.
   
   > please don't blame me about reporting regressions and submitted reverts. 
please blame people who introduced the regressions instead.
   > 
   
   Sorry, I don't think that patch the code is a regression.
   
   > anyway, once the next version of littlefs is released, i guess we can use 
[littlefs-project/littlefs#1004](https://github.com/littlefs-project/littlefs/pull/1004)
 to replace lfs_util.patch. at that point, i guess we can provide a switch 
between:
   > 
   > * 2.5.1 with nuttx local patches
   > * 2.9.4 with no patches
   > 
   > how do you think?
   
   yes, my suggestion is always to keep both parties happy.



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