Module fs_util 

Utility functions for filesystem operations with CIFS compatibility.

Provides helpers to perform file copy operations that avoid POSIX metadata copy which may not be supported on CIFS (SMB) filesystems.

Functions

atomic_create_file

Atomically creates a new file at path, failing if it already exists.

check_file_size

Checks that a file does not exceed the specified size limit.

copy_file_cifs_safe

Copies file contents from source to destination without copying metadata.

validate_write_target

Validates that target resolves within expected_parent and is not itself a symlink.