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| author |   Hannes Reinecke <hare@suse.de> | 2014-06-25 15:27:36 +0200 |
|---|---|---|
| committer |   Christoph Hellwig <hch@lst.de> | 2014-07-17 22:07:37 +0200 |
| commit | 9cb78c16f5dadefd8dc5ba0ae5a2f26cd59419b3 (patch) | |
| tree | 576b86c3ec56dd7176285ec2d27f27ca55f77bc3 /drivers/scsi/scsi_sysfs.c | |
| parent | qla2xxx: Restrict max_lun to 16-bit for older HBAs (diff) | |
| download | linux-dev-9cb78c16f5dadefd8dc5ba0ae5a2f26cd59419b3.tar.xz linux-dev-9cb78c16f5dadefd8dc5ba0ae5a2f26cd59419b3.zip | |
scsi: use 64-bit LUNs
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>
Diffstat (limited to '')
| -rw-r--r-- | drivers/scsi/scsi_sysfs.c | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/drivers/scsi/scsi_sysfs.c b/drivers/scsi/scsi_sysfs.c index 074e8cc30955..5f36788705ba 100644 --- a/drivers/scsi/scsi_sysfs.c +++ b/drivers/scsi/scsi_sysfs.c @@ -80,7 +80,7 @@ const char *scsi_host_state_name(enum scsi_host_state state) return name; } -static int check_set(unsigned int *val, char *src) +static int check_set(unsigned long long *val, char *src) { char *last; @@ -90,7 +90,7 @@ static int check_set(unsigned int *val, char *src) /* * Doesn't check for int overflow */ - *val = simple_strtoul(src, &last, 0); + *val = simple_strtoull(src, &last, 0); if (*last != '\0') return 1; } @@ -99,11 +99,11 @@ static int check_set(unsigned int *val, char *src) static int scsi_scan(struct Scsi_Host *shost, const char *str) { - char s1[15], s2[15], s3[15], junk; - unsigned int channel, id, lun; + char s1[15], s2[15], s3[17], junk; + unsigned long long channel, id, lun; int res; - res = sscanf(str, "%10s %10s %10s %c", s1, s2, s3, &junk); + res = sscanf(str, "%10s %10s %16s %c", s1, s2, s3, &junk); if (res != 3) return -EINVAL; if (check_set(&channel, s1)) @@ -1230,13 +1230,13 @@ void scsi_sysfs_device_initialize(struct scsi_device *sdev) device_initialize(&sdev->sdev_gendev); sdev->sdev_gendev.bus = &scsi_bus_type; sdev->sdev_gendev.type = &scsi_dev_type; - dev_set_name(&sdev->sdev_gendev, "%d:%d:%d:%d", + dev_set_name(&sdev->sdev_gendev, "%d:%d:%d:%llu", sdev->host->host_no, sdev->channel, sdev->id, sdev->lun); device_initialize(&sdev->sdev_dev); sdev->sdev_dev.parent = get_device(&sdev->sdev_gendev); sdev->sdev_dev.class = &sdev_class; - dev_set_name(&sdev->sdev_dev, "%d:%d:%d:%d", + dev_set_name(&sdev->sdev_dev, "%d:%d:%d:%llu", sdev->host->host_no, sdev->channel, sdev->id, sdev->lun); sdev->scsi_level = starget->scsi_level; transport_setup_device(&sdev->sdev_gendev); |