]> CyberLeo.Net >> Repos - FreeBSD/FreeBSD.git/commit
projects / FreeBSD / FreeBSD.git / commit
? search:
summary | shortlog | log | commit | commitdiff | tree
(parent: 8cba200) | patch
ctl(4): Do hole-punching for UNMAP to file-backed LUNs
authorKa Ho Ng <khng@FreeBSD.org>
Tue, 14 Sep 2021 19:51:58 +0000 (03:51 +0800)
committerKa Ho Ng <khng@FreeBSD.org>
Tue, 14 Sep 2021 19:51:58 +0000 (03:51 +0800)
commit49050613ef1fac244c3cb9767cbdff3d10bee670
tree41cb6dbc64fd3c86c8ac9e797c9a665191d3b21atree | snapshot
parent8cba2003e85b49a482ca623945209ca537374229commit | diff
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
sys/cam/ctl/ctl_backend_block.c diff | blob | history
Unnamed repository; edit this file 'description' to name the repository.