VOP_COPY_FILE_RANGE(9) on FreeBSD
The text edb5e2d2981f, as FreeBSD 13.5-RELEASE, FreeBSD 13.4-RELEASE, FreeBSD 13.3-RELEASE shipped it.
copy a byte range from one file to another or within one file in a single file system
The text edb5e2d2981f, as FreeBSD 13.5-RELEASE, FreeBSD 13.4-RELEASE, FreeBSD 13.3-RELEASE shipped it.
copy a byte range from one file to another or within one file in a single file system