Date: Wed, 9 Nov 2011 23:46:15 -0700 From: Warner Losh <imp@bsdimp.com> To: Tim Kientzle <tim@kientzle.com> Cc: Bruce Cran <bruce@cran.org.uk>, Ed Schouten <ed@80386.nl>, Jilles Tjoelker <jilles@stack.nl>, Alfred Perlstein <alfred@FreeBSD.org>, arch@FreeBSD.org, freebsd-arch@FreeBSD.org Subject: Re: [PATCH] fadvise(2) system call Message-ID: <1B4CA8AC-8798-40CD-9379-FA0F379558DE@bsdimp.com> In-Reply-To: <6E287E90-AA62-4776-A09D-394D69C9494F@kientzle.com> References: <201110281426.00013.jhb@freebsd.org> <4EB2C9DD.9090606@FreeBSD.org> <20111104160319.GD6110@elvis.mu.org> <201111080800.32717.jhb@freebsd.org> <CAGE5yCoTvYNXNc37V0%2Bt783uh=6J-_J-dt_Km_4xbO7O2O2BUw@mail.gmail.com> <6E287E90-AA62-4776-A09D-394D69C9494F@kientzle.com>
next in thread | previous in thread | raw e-mail | index | archive | help
On Nov 9, 2011, at 11:03 PM, Tim Kientzle wrote: > Anyone know how to properly request a "skip forward" > on tape drives? That's one of the missing pieces. I thought that you couldn't seek(2) on tape drives. You must read(2) = the data. At least for this application, since a tar file would be just = one file on the tape. If you want to see to the next file mark, you = need to use an ioctl to get there, or read a lot. Warner
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?1B4CA8AC-8798-40CD-9379-FA0F379558DE>