pub fn defrag_range(fd: BorrowedFd<'_>, args: &DefragRangeArgs) -> Result<()>Expand description
Defragment a byte range of the file referred to by fd.
fd must be an open file descriptor to a regular file on a btrfs
filesystem. Pass &DefragRangeArgs::new() to defragment the entire file
with default settings.
ยงErrors
Returns Err if the defrag ioctl fails.