Shaun,
On 1/19/17 18:02, Shaun Tancheff wrote:
> +++ b/sys-utils/blkreset.c
> @@ -0,0 +1,192 @@
> +/*
[...]
> +
> + if (ioctl(fd, BLKGETSIZE64, &blksize))
> + err(EXIT_FAILURE, _("%s: BLKGETSIZE64 ioctl failed"), path);
> +
> + blksectors = blksize << 9;
blksize being in bytes here, it looks like the shift is in the wrong
direction here... i.e.
blksectors = blksize >> 9;
> +
> + /* check offset alignment to the chunk size */
> + if (zsector & (zsize - 1))
> + errx(EXIT_FAILURE, _("%s: zone %" PRIu64 " is not aligned "
> + "to zone size %" PRIu64), path, zsector, zsize);
> + if (zsector > blksectors)
> + errx(EXIT_FAILURE, _("%s: zone %" PRIu64 " is too large "
> + "for device %" PRIu64), path, zsector, blksectors);
> +
> + zlen = zcount * zsize;
> + if (zsector + zlen > blksectors)
> + zlen = blksectors - zsector;
> +
> + za.sector = zsector;
> + za.nr_sectors = zlen;
> + rc = ioctl(fd, BLKRESETZONE, &za);
> + if (rc == -1)
> + err(EXIT_FAILURE, _("%s: BLKRESETZONE ioctl failed"), path);
> +
> + close(fd);
> + return EXIT_SUCCESS;
> +}
>
Best regards.
--
Damien Le Moal, Ph.D.
Sr Manager, System Software Research Group,
Western Digital
Damien.LeMoal@xxxxxxxx
Tel: (+81) 0466-98-3593 (Ext. 51-3593)
1 kirihara-cho, Fujisawa, Kanagawa, 252-0888 Japan
www.wdc.com, www.hgst.com
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