W-M-R opened a new pull request, #21353:
URL: https://github.com/apache/nuttx/pull/21353
## Summary
`v9fs_client_convertdir()` returned `-ENAMETOOLONG` as soon as one entry of a
9p readdir reply had a name longer than `NAME_MAX`. The VFS layer has no way
to report that error for a single directory entry, so the whole `readdir()`
failed and the user got no listing at all.
Instead, drop only the offending entry: clear `d_name[0]` and let
`v9fs_vfs_readdir()` filter it out together with `.` and `..`, then continue
with the next entry in the same reply.
## Impact
- Only affects `fs/v9fs`; a directory containing one oversized name is now
still listable.
- No API, Kconfig or ABI change.
## Testing
- [FILL IN: mount a 9p export containing a name longer than NAME_MAX and
confirm `ls` still lists the remaining entries]
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