Date: Tue, 13 Nov 2018 22:59:44 +0000 From: "Poul-Henning Kamp" <phk@phk.freebsd.dk> To: Warner Losh <imp@bsdimp.com> Cc: Alan Somers <asomers@freebsd.org>, FreeBSD FS <freebsd-fs@freebsd.org>, FreeBSD Current <freebsd-current@freebsd.org>, "freebsd-arch@freebsd.org" <freebsd-arch@freebsd.org> Subject: Re: Hole-punching, TRIM, etc Message-ID: <4235.1542149984@critter.freebsd.dk> In-Reply-To: <CANCZdfp5UDcH-SLDVvvhkB0dTnhuP0tZ8YT0tUJkF8egAZgYuA@mail.gmail.com> References: <CAOtMX2jgb_Pf9-MqirM=xihVpyRmAGZKx2VRnvA_1Fx6kMYXXg@mail.gmail.com> <CANCZdfp5UDcH-SLDVvvhkB0dTnhuP0tZ8YT0tUJkF8egAZgYuA@mail.gmail.com>
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-------- In message <CANCZdfp5UDcH-SLDVvvhkB0dTnhuP0tZ8YT0tUJkF8egAZgYuA@mail.gmail= .com> , Warner Losh writes: >On a raw device it would be translated into a BIO_DELETE command directly= , >correct? We already have ioctl(DIOCGDELETE) for that. newfs(8) uses it. -- = Poul-Henning Kamp | UNIX since Zilog Zeus 3.20 phk@FreeBSD.ORG | TCP/IP since RFC 956 FreeBSD committer | BSD since 4.3-tahoe = Never attribute to malice what can adequately be explained by incompetence= .
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