jerpelea opened a new pull request, #21207:
URL: https://github.com/apache/nuttx/pull/21207
## Summary
Two v9fs fixes, and one style-only commit for an nxstyle error in v9fs.c.
readdir() ended every directory with errno set to EIO. At the end of a
directory the 9P server returns no entries, and v9fs_client_convertdir()
returned -EIO. v9fs_vfs_readdir() now returns -ENOENT, which the VFS treats as
the end of the directory. The bounds check for the fixed part of an entry now
uses the bytes left after head, not the whole buffer.
stat() returned st_ino 0 and readdir() returned d_ino 0 for every file.
Both now come from the qid path of the file, folded into ino_t the same way,
and never 0. Programs that skip directory entries with d_ino 0, or compare
st_dev/st_ino, then work on a v9fs mount.
## Impact
RELEASE
## Testing
CI
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