HomeFreeBSD

ctl(4): Do hole-punching for UNMAP to file-backed LUNs

Description

ctl(4): Do hole-punching for UNMAP to file-backed LUNs

This adds support for SCSI UNMAP command to file-backed LUNs, if the
underlying file system has a non-zerofilling VOP_DEALLOCATE
implementation where some or all parts of the requested operation range
may be deallocated.

Sponsored by: The FreeBSD Foundation
Reviewed by: mav
Differential Revision: https://reviews.freebsd.org/D31922

Details

Provenance
khngAuthored on Sep 14 2021, 7:51 PM
Reviewer
mav
Differential Revision
D31922: ctl(4): Do hole-punching for UNMAP to file-backed LUNs
Parents
R10:8cba2003e85b: Cirrus-CI: add a manually triggered arm64 task
Branches
Unknown
Tags
Unknown