On Wed, 07 Dec 2011 23:34:57 +0100
Gabriele <gabriele.mailing@xxxxxxxxxxx> wrote:
> Hy,
>
> > _LARGEFILE64_SOURCE should be already defined due to _GNU_SOURCE.
> > Can you try the following?
> > diff --git a/usr/bs_ssc.c b/usr/bs_ssc.c
> > index b80ece8..e4f1a71 100644
> > diff --git a/usr/libssc.c b/usr/libssc.c
> > index e13a9f6..a4a0687 100644
> > diff --git a/usr/libssc.h b/usr/libssc.h
> > index ace2037..e844346 100644
>
> It works.
> I have firstly tested vanilla 1.0.22 under amd64 and after I have
> applied the patches for i386
> The image file was written beyond 2Gb in both cases.
Nice.
> Do you want that i test the patch under amd64 too ?
No.
> The strange thing is that in both architectures, the image file has been
> filled until 2.7Gb, after that, tar gave the error
>
> tar: /dev/st0: Cannot write: No space left on device
>
> And in syslog I have:
>
> Dec 7 22:38:24 bunch tgtd: tape_rdwr_request(604) io error 0x9c20cb8 a
> 32768 32768 0, Success
>
> Strange: there are a plenty of Gb free on the partition holding the
> image files, and the image file was created with a dimension of 400Gb:
>
> sudo tgtimg --op=new --device-type=tape --barcode="A00000001"
> --size=400000 --type=data --file=/media/tgt/vtl/A00000001
>
> The image file seems to report the correct size:
Can you try the following patch on the top of the previous one?
diff --git a/usr/bs_ssc.c b/usr/bs_ssc.c
index b80ece8..b051f83 100644
--- a/usr/bs_ssc.c
+++ b/usr/bs_ssc.c
@@ -113,7 +113,7 @@ static int resp_rewind(struct scsi_lu *lu)
return skip_next_header(lu);
}
-static unsigned long current_size(struct scsi_cmd *cmd)
+static uint64_t current_size(struct scsi_cmd *cmd)
{
struct ssc_info *ssc = dtype_priv(cmd->dev);
return ssc->c_blk.curr;
@@ -528,12 +528,17 @@ static void tape_rdwr_request(struct scsi_cmd *cmd)
sense_data_build(cmd, NO_SENSE|SENSE_EOM,
NO_ADDITIONAL_SENSE);
result = SAM_STAT_CHECK_CONDITION;
+ eprintf("capacity over: %llu %llu\n",
+ (unsigned long long)current_size(cmd),
+ (unsigned long long)ssc->mam.max_capacity);
break;
}
if (ret != length) {
sense_data_build(cmd, MEDIUM_ERROR, ASC_WRITE_ERROR);
result = SAM_STAT_CHECK_CONDITION;
+ eprintf("io error %u %u\n", ret, length);
+
}
break;
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