g_mountver.h

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    1 /*-
    2  * Copyright (c) 2010 Edward Tomasz Napierala <trasz@FreeBSD.org>
    3  * Copyright (c) 2004-2006 Pawel Jakub Dawidek <pjd@FreeBSD.org>
    4  * All rights reserved.
    5  *
    6  * Redistribution and use in source and binary forms, with or without
    7  * modification, are permitted provided that the following conditions
    8  * are met:
    9  * 1. Redistributions of source code must retain the above copyright
   10  *    notice, this list of conditions and the following disclaimer.
   11  * 2. Redistributions in binary form must reproduce the above copyright
   12  *    notice, this list of conditions and the following disclaimer in the
   13  *    documentation and/or other materials provided with the distribution.
   14  *
   15  * THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND
   16  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   17  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   18  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE
   19  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   20  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   21  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   22  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   23  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   24  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   25  * SUCH DAMAGE.
   26  *
   27  * $FreeBSD: releng/10.0/sys/geom/mountver/g_mountver.h 202437 2010-01-16 09:52:49Z trasz $
   28  */
   29 
   30 #ifndef _G_MOUNTVER_H_
   31 #define _G_MOUNTVER_H_
   32 
   33 #define G_MOUNTVER_CLASS_NAME   "MOUNTVER"
   34 #define G_MOUNTVER_VERSION      4
   35 #define G_MOUNTVER_SUFFIX       ".mountver"
   36 
   37 #ifdef _KERNEL
   38 
   39 #define G_MOUNTVER_DEBUG(lvl, ...)      do {                            \
   40         if (g_mountver_debug >= (lvl)) {                                \
   41                 printf("GEOM_MOUNTVER");                                \
   42                 if (g_mountver_debug > 0)                               \
   43                         printf("[%u]", lvl);                            \
   44                 printf(": ");                                           \
   45                 printf(__VA_ARGS__);                                    \
   46                 printf("\n");                                           \
   47         }                                                               \
   48 } while (0)
   49 #define G_MOUNTVER_LOGREQ(bp, ...)      do {                            \
   50         if (g_mountver_debug >= 2) {                                    \
   51                 printf("GEOM_MOUNTVER[2]: ");                           \
   52                 printf(__VA_ARGS__);                                    \
   53                 printf(" ");                                            \
   54                 g_print_bio(bp);                                        \
   55                 printf("\n");                                           \
   56         }                                                               \
   57 } while (0)
   58 
   59 struct g_mountver_softc {
   60         TAILQ_HEAD(, bio)               sc_queue;
   61         struct mtx                      sc_mtx;
   62         char                            *sc_provider_name;
   63         char                            sc_ident[DISK_IDENT_SIZE];
   64         int                             sc_orphaned;
   65         int                             sc_access_r;
   66         int                             sc_access_w;
   67         int                             sc_access_e;
   68 };
   69 #endif  /* _KERNEL */
   70 
   71 #endif  /* _G_MOUNTVER_H_ */

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FreeBSD/Linux Kernel Cross Reference sys/geom/mountver/g_mountver.h

FreeBSD/Linux Kernel Cross Reference
sys/geom/mountver/g_mountver.h