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Merge pull request #3021 from steeve/optimize_flash

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Optimize SD card partitioning and formatting for SD/Flash
This commit is contained in:
Stephan Raue
2014-03-18 10:37:19 +01:00
parent bb39365d71 8a972b66c9
commit 573ff35c24
1 changed files with 6 additions and 2 deletions
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8
packages/tools/bcm2835-bootloader/files/create_sdcard
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@@ -196,7 +196,9 @@ echo "#########################################################"
# create a single partition
echo "creating partitions on $DISK..."
parted -s "$DISK" unit cyl mkpart primary fat32 -- 0 16
parted -s "$DISK" unit cyl mkpart primary ext2 -- 16 -2
# align the partition on 4mb boundary, starting at 132mb (132 % 4 == 0), which
# is right after the first partition
parted -s "$DISK" mkpart primary ext2 -- 132MiB -2cyl
# make partition active (bootable)
echo "marking partition active..."
@@ -210,8 +212,10 @@ echo "#########################################################"
echo "creating filesystem on $PART1..."
mkfs.vfat "$PART1" -I -n System
# create ext4 partition with optimized settings for running on flash/sd
# See http://blogofterje.wordpress.com/2012/01/14/optimizing-fs-on-sd-card/ for reference.
echo "creating filesystem on $PART2..."
mkfs.ext4 "$PART2" -L Storage
mkfs.ext4 -O ^has_journal -E stride=2,stripe-width=1024 -b 4096 "$PART2" -L Storage
# remount loopback device
if [ "$DISK" = "/dev/loop0" ]; then