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actually use the 64bits value when doing comparing, previously SCSI_6 were wronly used for some io requests.

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git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@39301 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Jérôme Duval 2010-11-04 18:01:46 +00:00
parent fb8e088927
commit 6fa1b3a596
1 changed files with 3 additions and 3 deletions
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6
src/add-ons/kernel/generic/scsi_periph/io.cpp
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@ -136,13 +136,13 @@ read_write(scsi_periph_device_info *device, scsi_ccb *request,
numBlocks = 0x100;
// no way to break the 21 bit address limit
if (pos > 0x200000)
if (offset > 0x200000)
return B_BAD_VALUE;
// don't allow transfer cross the 24 bit address limit
// (I'm not sure whether this is allowed, but this way we
// are sure to not ask for trouble)
if (pos < 0x100000)
if (offset < 0x100000)
numBlocks = min_c(numBlocks, 0x100000 - pos);
}
@ -164,7 +164,7 @@ read_write(scsi_periph_device_info *device, scsi_ccb *request,
(request->flags & SCSI_ORDERED_QTAG) != 0 ? "yes" : "no");
// use shortest commands whenever possible
if (pos + numBlocks < 0x200000 && numBlocks <= 0x100) {
if (offset + numBlocks < 0x200000LL && numBlocks <= 0x100) {
scsi_cmd_rw_6 *cmd = (scsi_cmd_rw_6 *)request->cdb;
isReadWrite10 = false;