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preadv2
libdisk/xvm.h
53 строки
2 KB
Nathan Scott
Update copyright/license notices to match SGI legal prefered boilerplate.
11 ноя 2005, 17:27
11 ноя 2005, 17:27
da23017
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/* * Copyright (c) 2000-2001,2005 Silicon Graphics, Inc. * All Rights Reserved. * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License as * published by the Free Software Foundation. * * This program is distributed in the hope that it would be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */ #define _DIOC_(x) (('d'<<8) | x) #define DIOCGETVOLDEV _DIOC_(36) /* subvolume devices */ #define DIOCGETVOLSTRIPE _DIOC_(47) /* subvolume stripe info */ /* * Structure returned by the DIOCGETVOLDEV ioctl to list the * subvolume device nodes in a volume. These are external device * numbers. */ #define XVM_GETDEV_VERS 1 typedef __uint32_t xvm_dev_t; typedef struct { __uint32_t version; xvm_dev_t data_subvol_dev; xvm_dev_t log_subvol_dev; xvm_dev_t rt_subvol_dev; xvm_dev_t sp_subvol_dev; } xvm_getdev_t; /* * Structure returned by the DIOCGETVOLSTRIPE ioctl to describe * the subvolume stripe units and width. */ #define XVM_SUBVOL_GEOMETRY_VERS 1 typedef struct xvm_subvol_stripe_s { __uint32_t version; __uint32_t unit_size; /* in blocks */ __uint32_t width_size; /* in blocks */ __uint32_t pad1; /* padding */ xvm_dev_t dev; } xvm_subvol_stripe_t;