Date: Monday, July 5, 2010 @ 01:42:19
  Author: tpowa
Revision: 84883

upgpkg: hdparm 9.29-1
bump to latest version, added wiper.sh script

Added:
  hdparm/trunk/wiper.sh.2_6.max-ranges.patch

-------------------------------+
 wiper.sh.2_6.max-ranges.patch |   84 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 84 insertions(+)

Added: wiper.sh.2_6.max-ranges.patch
===================================================================
--- wiper.sh.2_6.max-ranges.patch                               (rev 0)
+++ wiper.sh.2_6.max-ranges.patch       2010-07-05 05:42:19 UTC (rev 84883)
@@ -0,0 +1,84 @@
+--- hdparm-9.28/wiper/wiper.sh.orig    2010-03-09 06:17:37.000000000 -0800
+--- hdparm-9.28/wiper/wiper.sh 2010-05-15 03:08:02.182856971 -0700
+@@ -29,7 +29,7 @@
+ function usage_error(){
+       echo >&2
+       echo "Linux tune-up (TRIM) utility for SATA SSDs"
+-      echo "Usage:  $0 [--verbose] [--commit] <mount_point|block_device>" >&2
++      echo "Usage:  $0 [--max-ranges <num>] [--verbose] [--commit] 
<mount_point|block_device>" >&2
+       echo "   Eg:  $0 /dev/sda1" >&2
+       echo >&2
+       exit 1
+@@ -44,6 +44,7 @@
+ 
+ export verbose=0
+ commit=""
++max_ranges=-1
+ argc=$#
+ arg=""
+ while [ $argc -gt 0 ]; do
+@@ -51,6 +52,10 @@
+               commit=yes
+       elif [ "$1" = "--verbose" ]; then
+               verbose=$((verbose + 1))
++      elif [ "$1" = "--max-ranges" -a $argc -gt 1 ]; then
++              max_ranges=$2
++              argc=$((argc - 1))
++              shift
+       elif [ "$1" = "" ]; then
+               usage_error
+       else
+@@ -499,6 +550,18 @@
+       fi
+ fi
+ 
++## Different SSD's have a different maximum number of ranges they'll accept
++## in a single TRIM command.
++if [ $max_ranges -le 0 ] ; then
++      model=`$HDPARM -I $rawdev | $GAWK '/Model Number/ { print $NF }'`
++      case "$model" in
++              SSDSA[12]*)  max_ranges=512 ;;  # Intel X18-M/X25-M
++              OCZ-VERTEX2) max_ranges=64 ;;   # OCZ Vertex2
++              *)           max_ranges=65535
++      esac
++fi
++[ $verbose -gt 0 ] && echo "max-ranges = $max_ranges"
++
+ ## All ready.  Now let the user know exactly what we intend to do:
+ ##
+ mountstatus="$fstype non-mounted"
+@@ -608,7 +671,7 @@
+               nsectors += count;
+               while (count > 0) {
+                       this_count  = (count > 65535) ? 65535 : count
+-                      printf "%u:%u ", lba, this_count
++                      printf "%u:%u \n", lba, this_count
+                       if (verbose > 1)
+                               printf "%u:%u ", lba, this_count > "/dev/stderr"
+                       lba        += this_count
+@@ -695,6 +758,22 @@
+       -v verbose="$verbose"                   \
+       -v xfs_blksects="$xfs_blksects"         \
+       -v xfs_agoffsets="$xfs_agoffsets"       \
+-      "$GAWKPROG" | $TRIM
++      "$GAWKPROG" | (
++              i=0
++              while read range ; do
++                      ranges=$ranges" "$range
++                      ((i++))
++                      if [ $i -ge $max_ranges ] ; then
++                              [ $verbose -gt 0 ] && echo -e "Trim 
ranges:"$ranges"\n"         
++                              echo $ranges | $TRIM
++                              ranges=""
++                              i=0
++                      fi
++              done
++              if [ $i -gt 0 ] ; then
++                      [ $verbose -gt 0 ] && echo -e "Trim ranges:"$ranges"\n"
++                      echo $ranges | $TRIM
++              fi
++      )
+ 
+ do_cleanup $?
+
+                

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