diff options
Diffstat (limited to 'packages/linux/nslu2-kernel/2.6/40-scsi-idle.patch')
| -rw-r--r-- | packages/linux/nslu2-kernel/2.6/40-scsi-idle.patch | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/packages/linux/nslu2-kernel/2.6/40-scsi-idle.patch b/packages/linux/nslu2-kernel/2.6/40-scsi-idle.patch new file mode 100644 index 0000000000..e04996e2a8 --- /dev/null +++ b/packages/linux/nslu2-kernel/2.6/40-scsi-idle.patch @@ -0,0 +1,44 @@ +diff -ur linux-2.6.12.2/drivers/scsi/sd.c linux-2.6.12.2_scsi-idle/drivers/scsi/sd.c +--- linux-2.6.12.2/drivers/scsi/sd.c 2005-08-27 06:12:31.000000000 +0200 ++++ linux-2.6.12.2_scsi-idle/drivers/scsi/sd.c 2005-08-27 06:26:50.000000000 +0200 +@@ -266,6 +266,9 @@ + "count=%d\n", disk->disk_name, + (unsigned long long)block, this_count)); + ++ /* Update idle-since time */ ++ sdp->idle = jiffies; ++ + if (!sdp || !scsi_device_online(sdp) || + block + rq->nr_sectors > get_capacity(disk)) { + SCSI_LOG_HLQUEUE(2, printk("Finishing %ld sectors\n", +@@ -600,6 +603,8 @@ + case SCSI_IOCTL_GET_IDLUN: + case SCSI_IOCTL_GET_BUS_NUMBER: + return scsi_ioctl(sdp, cmd, p); ++ case SCSI_IOCTL_IDLE: ++ return (jiffies - sdp->idle) / HZ + 1; + default: + error = scsi_cmd_ioctl(filp, disk, cmd, p); + if (error != -ENOTTY) +diff -ur linux-2.6.12.2/include/scsi/scsi_device.h linux-2.6.12.2_scsi-idle/include/scsi/scsi_device.h +--- linux-2.6.12.2/include/scsi/scsi_device.h 2005-08-27 06:12:44.000000000 +0200 ++++ linux-2.6.12.2_scsi-idle/include/scsi/scsi_device.h 2005-08-27 06:27:09.000000000 +0200 +@@ -125,6 +125,7 @@ + atomic_t ioerr_cnt; + + int timeout; ++ unsigned long idle; /* scsi idle time in jiffers */ + + struct device sdev_gendev; + struct class_device sdev_classdev; +diff -ur linux-2.6.12.2/include/scsi/scsi_ioctl.h linux-2.6.12.2_scsi-idle/include/scsi/scsi_ioctl.h +--- linux-2.6.12.2/include/scsi/scsi_ioctl.h 2005-08-27 06:12:44.000000000 +0200 ++++ linux-2.6.12.2_scsi-idle/include/scsi/scsi_ioctl.h 2005-08-28 17:32:17.000000000 +0200 +@@ -7,6 +7,7 @@ + #define SCSI_IOCTL_SYNC 4 /* Request synchronous parameters */ + #define SCSI_IOCTL_START_UNIT 5 + #define SCSI_IOCTL_STOP_UNIT 6 ++#define SCSI_IOCTL_IDLE 4746 /* get idle time in jiffies */ + /* The door lock/unlock constants are compatible with Sun constants for + the cdrom */ + #define SCSI_IOCTL_DOORLOCK 0x5380 /* lock the eject mechanism */ |