Date: Tue, 02 Nov 2010 14:16:47 -0700 From: Xin LI <delphij@delphij.net> To: Andriy Gapon <avg@icyb.net.ua> Cc: freebsd-geom@FreeBSD.org Subject: Re: geom_part_mbr vs user Message-ID: <4CD07FBF.4040705@delphij.net> In-Reply-To: <4CD04425.4020204@icyb.net.ua> References: <4CD04425.4020204@icyb.net.ua>
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This is a multi-part message in MIME format. --------------050002010804040407000009 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 On 11/02/10 10:02, Andriy Gapon wrote: > > It seems that geom_part_mbr: > 1. uses CHS for some things > 2. insists that various things be "CHS-aligned" > > While 1 is quite acceptable (although perhaps useless), 2 seems to be unhelpful > (and even annoying). > E.g. I wanted to create a partition that starts at sector 64, but that was > auto-magically and silently converted to 126 (2x63). It took me a while to > realize what's going on. Using some greater starting sector (like 8x63) did work. > > But I still believe that geom_part_mbr "thinking" that it is smarter than me is > incorrect. Yeah, keep using CHS params for some defaults, etc, but do obey what I > explicitly specify if doesn't violate fundamental constraints like media size or > slice overlaps. +1. I even have a local patch which mute the warning when booting !verbose. Cheers, - -- Xin LI <delphij@delphij.net> http://www.delphij.net/ FreeBSD - The Power to Serve! Live free or die -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.16 (FreeBSD) iQEcBAEBCAAGBQJM0H+/AAoJEATO+BI/yjfB5eAIAMC3CMVA2gE6ssSFJJfM8JW5 GPGHquCePFWvSOKBp/IQGNsxkpc1XYvlFYnWKVjvQAM8zZixbmFhUB0duIzujzag R7x8Q+xJrwLFGki/7wUwUF2tSh46F26veQ5y6g8Oellt9tG8zEH8Wl6bIS+GfgfM YdvDCQYSmbwznSJLLQp5Sv2uQJZX4xSZsPJLSXxSM9auhCqbMZLwVf1Nm9EU8hb+ BgFf+6/hLIGUrE6fcETm0XcZO8/6sPgLY4lhuq1FpWj+5eEHjB20WZK6F1k72QGz XvbZGJY5p3SzGrv6oIDGGFBda3F/eGiCqfzW/amuiJDs/46WSux4dRlo398UQJI= =D5fM -----END PGP SIGNATURE----- --------------050002010804040407000009 Content-Type: text/plain; name="g_part_mbr.c.diff" Content-Transfer-Encoding: base64 Content-Disposition: attachment; filename="g_part_mbr.c.diff" SW5kZXg6IHN5cy9nZW9tL3BhcnQvZ19wYXJ0X21ici5jCj09PT09PT09PT09PT09PT09PT09 PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT0KLS0tIHN5 cy9nZW9tL3BhcnQvZ19wYXJ0X21ici5jCShyZXZpc2lvbiAyMTQ2ODEpCisrKyBzeXMvZ2Vv bS9wYXJ0L2dfcGFydF9tYnIuYwkod29ya2luZyBjb3B5KQpAQCAtNDQ5LDEyICs0NDksMTYg QEAKIAkJCQliYXNldGFibGUtPmdwdF9oZWFkcyA9IGhlYWRzOwogCQkJfQogCQl9Ci0JCWlm ICgoZW50LmRwX3N0YXJ0ICUgYmFzZXRhYmxlLT5ncHRfc2VjdG9ycykgIT0gMCkKLQkJCXBy aW50ZigiR0VPTTogJXM6IHBhcnRpdGlvbiAlZCBkb2VzIG5vdCBzdGFydCBvbiBhICIKLQkJ CSAgICAidHJhY2sgYm91bmRhcnkuXG4iLCBwcC0+bmFtZSwgaW5kZXggKyAxKTsKLQkJaWYg KChlbnQuZHBfc2l6ZSAlIGJhc2V0YWJsZS0+Z3B0X3NlY3RvcnMpICE9IDApCi0JCQlwcmlu dGYoIkdFT006ICVzOiBwYXJ0aXRpb24gJWQgZG9lcyBub3QgZW5kIG9uIGEgIgotCQkJICAg ICJ0cmFjayBib3VuZGFyeS5cbiIsIHBwLT5uYW1lLCBpbmRleCArIDEpOworCQlpZiAoYm9v dHZlcmJvc2UpIHsKKwkJCWlmICgoZW50LmRwX3N0YXJ0ICUgYmFzZXRhYmxlLT5ncHRfc2Vj dG9ycykgIT0gMCkKKwkJCQlwcmludGYoIkdFT006ICVzOiBwYXJ0aXRpb24gJWQgZG9lcyBu b3QgIgorCQkJCSAgICAic3RhcnQgb24gYSB0cmFjayBib3VuZGFyeS5cbiIsCisJCQkJICAg IHBwLT5uYW1lLCBpbmRleCArIDEpOworCQkJaWYgKChlbnQuZHBfc2l6ZSAlIGJhc2V0YWJs ZS0+Z3B0X3NlY3RvcnMpICE9IDApCisJCQkJcHJpbnRmKCJHRU9NOiAlczogcGFydGl0aW9u ICVkIGRvZXMgbm90ICIKKwkJCQkgICAgImVuZCBvbiBhIHRyYWNrIGJvdW5kYXJ5LlxuIiwK KwkJCQkgICAgcHAtPm5hbWUsIGluZGV4ICsgMSk7CisJCX0KIAogCQllbnRyeSA9IChzdHJ1 Y3QgZ19wYXJ0X21icl9lbnRyeSAqKWdfcGFydF9uZXdfZW50cnkoYmFzZXRhYmxlLAogCQkg ICAgaW5kZXggKyAxLCBlbnQuZHBfc3RhcnQsIGVudC5kcF9zdGFydCArIGVudC5kcF9zaXpl IC0gMSk7Cg== --------------050002010804040407000009--
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