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Viewing changes to tools/blktap2/drivers/blk_netbsd.c

  • Committer: Bazaar Package Importer
  • Author(s): Bastian Blank
  • Date: 2010-05-06 15:47:38 UTC
  • mto: (1.3.1) (15.1.1 sid) (4.1.1 experimental)
  • mto: This revision was merged to the branch mainline in revision 3.
  • Revision ID: james.westby@ubuntu.com-20100506154738-agoz0rlafrh1fnq7
Tags: upstream-4.0.0
Import upstream version 4.0.0

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tools/blktap2/drivers/blk_netbsd.c
 
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#include <sys/param.h>
 
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#include <sys/ioctl.h>
 
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#include <sys/disklabel.h>
 
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#include <errno.h>
 
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#include <inttypes.h>
 
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#include "tapdisk.h"
 
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#include "blk.h"
 
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int blk_getimagesize(int fd, uint64_t *size)
 
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{
 
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        int rc;
 
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        struct disklabel dl;
 
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        *size = 0;
 
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        rc = ioctl(fd, DIOCGDINFO, &dl);
 
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        if (rc) {
 
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                DPRINTF("ERR: DIOCGDINFO failed, couldn't stat image");
 
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                return -EINVAL;
 
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        }
 
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        *size = dl.d_secsize * dl.d_secpercyl;
 
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        return 0;
 
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}
 
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int blk_getsectorsize(int fd, uint64_t *sector_size)
 
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{
 
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        int rc;
 
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        struct disklabel dl;
 
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        *sector_size = DEV_BSIZE;
 
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        rc = ioctl(fd, DIOCGDINFO, &dl);
 
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        if (rc) {
 
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                DPRINTF("ERR: DIOCGDINFO failed, couldn't stat image");
 
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                return 0; /* fallback to DEV_BSIZE */
 
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        }
 
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        *sector_size = dl.d_secsize;
 
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        return 0;
 
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}
 
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