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scsi: use 64-bit LUNs

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The SCSI standard defines 64-bit values for LUNs, and large arrays
employing large or hierarchical LUN numbers become more and more
common.

So update the linux SCSI stack to use 64-bit LUN numbers.

Signed-off-by: Hannes Reinecke <hare@suse.de>
Reviewed-by: Christoph Hellwig <hch@infradead.org>
Reviewed-by: Ewan Milne <emilne@redhat.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
This commit is contained in:
Hannes Reinecke
2014-06-25 15:27:36 +02:00
committed by Christoph Hellwig
parent 755f516bbb
commit 9cb78c16f5
86 changed files with 438 additions and 429 deletions
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11
drivers/scsi/arm/fas216.c
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@@ -1821,7 +1821,8 @@ static void fas216_allocate_tag(FAS216_Info *info, struct scsi_cmnd *SCpnt)
SCpnt->tag = SCpnt->device->current_tag;
} else
#endif
set_bit(SCpnt->device->id * 8 + SCpnt->device->lun, info->busyluns);
set_bit(SCpnt->device->id * 8 +
(u8)(SCpnt->device->lun & 0x7), info->busyluns);
info->stats.removes += 1;
switch (SCpnt->cmnd[0]) {
@@ -2171,7 +2172,8 @@ static void fas216_done(FAS216_Info *info, unsigned int result)
* status.
*/
info->device[SCpnt->device->id].parity_check = 0;
clear_bit(SCpnt->device->id * 8 + SCpnt->device->lun, info->busyluns);
clear_bit(SCpnt->device->id * 8 +
(u8)(SCpnt->device->lun & 0x7), info->busyluns);
fn = (void (*)(FAS216_Info *, struct scsi_cmnd *, unsigned int))SCpnt->host_scribble;
fn(info, SCpnt, result);
@@ -2398,7 +2400,8 @@ static enum res_find fas216_find_command(FAS216_Info *info,
* been set.
*/
info->origSCpnt = NULL;
clear_bit(SCpnt->device->id * 8 + SCpnt->device->lun, info->busyluns);
clear_bit(SCpnt->device->id * 8 +
(u8)(SCpnt->device->lun & 0x7), info->busyluns);
printk("waiting for execution ");
res = res_success;
} else
@@ -3000,7 +3003,7 @@ void fas216_print_devices(FAS216_Info *info, struct seq_file *m)
shost_for_each_device(scd, info->host) {
dev = &info->device[scd->id];
seq_printf(m, " %d/%d ", scd->id, scd->lun);
seq_printf(m, " %d/%llu ", scd->id, scd->lun);
if (scd->tagged_supported)
seq_printf(m, "%3sabled(%3d) ",
scd->simple_tags ? "en" : "dis",