From mboxrd@z Thu Jan 1 00:00:00 1970 From: NeilBrown Subject: Re: [PATCH v2 08/12] md: expose rdev->sb_start as sysfs attribute Date: Wed, 07 Dec 2016 12:25:10 +1100 Message-ID: <874m2g4jk9.fsf@notabene.neil.brown.name> References: <20161205153113.7268-1-artur.paszkiewicz@intel.com> <20161205153113.7268-9-artur.paszkiewicz@intel.com> Mime-Version: 1.0 Content-Type: multipart/signed; boundary="=-=-="; micalg=pgp-sha256; protocol="application/pgp-signature" Return-path: In-Reply-To: <20161205153113.7268-9-artur.paszkiewicz@intel.com> Sender: linux-raid-owner@vger.kernel.org To: Artur Paszkiewicz , shli@kernel.org Cc: linux-raid@vger.kernel.org List-Id: linux-raid.ids --=-=-= Content-Type: text/plain On Tue, Dec 06 2016, Artur Paszkiewicz wrote: > This is meant for external metadata arrays, to pass the location of the > superblock to the kernel. The whole point of external metadata arrays is that the metadata is handled externally. The kernel doesn't need to know where it is. Certainly the kernel needs to know where the PPL is, but that is quite a different question to knowing where the superblock is. NeilBrown --=-=-= Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQIzBAEBCAAdFiEEG8Yp69OQ2HB7X0l6Oeye3VZigbkFAlhHZPYACgkQOeye3VZi gbnLMBAAsySLmSTyyK3cTq/Rd3UFFFVJK7oFjzJkeHGr+nffct61EgyTfM5uzh0f c6Pq8KoD5i69teSG4VwOq2OAVwVgeuR/Q4Yg8jP4w+OIZx1UvBwu4Ho2YNGQntmn 6jd4lTxERAY40PUaGtH/WXg/FGinmrXtI3S7qbadjAqHKx4rwB5Si2yNIXeRuXys y/UfCT1lPobdSS+sTNIktO+tAf3F55k87TDu/AorkqoAAr5KDmBD1pX6MDYKQ2pp pHJcCoxw98M5VU5118BMuXB7Rm1Z4rOsULx68rG4tYwoETlqvvkH4F4lgp1HM7kK QOHyBzIqihrlSndSQvlg5bAAM2ThlBSXxnFoWgN2ZNFfSgppHUChT6UQTHbToifL YBDMmr8CRgS6qZ0fE2h638KBPwIzCI53PTfbfkDxDIobuZUAqfIzE2W9diz0IoM+ IJBWI1fTo9PLcXLtOSNTbGJIYhiXeaOdWzgDSygstZxC9dak8FQGVYf1rXLUfAmb OGumI5XtVmOkNcbcjudauxzNprK6pJIQjKyQHBVriIFcPMJYMlYRxC5Uw7O1Vj12 Qq+W4fMfKr2eZpB1+Ao28Px0yEFB97+cGIaoQjHXmY2ZJupe2MetYaa1gVe/E8WS XTYPxp9vExxmsFhgZvCT4gVCcE1ZvdDqmtyy+IHhyCaG3W3dUCA= =vlyY -----END PGP SIGNATURE----- --=-=-=--