HardenedBSD/sys/dev/md
Ka Ho Ng 3703c18883 md: Add MD_MUSTDEALLOC support
This adds an option to detect if hole-punching is implemented by the
underlying file system.  If this flag is set, and if the underlying file
system does not support hole-punching, md(4) fails BIO_DELETE requests
with EOPNOTSUPP.

Sponsored by:	The FreeBSD Foundation
Reviewed by:	markj
Differential Revision:	https://reviews.freebsd.org/D31883
2021-09-11 20:04:52 +08:00
..
embedfs.S
md.c md: Add MD_MUSTDEALLOC support 2021-09-11 20:04:52 +08:00