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tar2fs: double /boot size

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Factor of 2 is not enough for kernel upgrade due to filesystem overhead.
Add BOOT_SIZE_FACTOR on top of that.
This commit is contained in:
Gleb F-Malinovskiy 2013-07-09 12:34:21 +04:00 committed by Michael Shigorin
parent d79061fb44
commit 81a6ab9ec1
1 changed files with 5 additions and 3 deletions
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8
bin/tar2fs
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@ -20,7 +20,9 @@ fi
[ -n "$GLOBAL_DEBUG" ] || message "WORKDIR: $WORKDIR"
MB=1048576 # a parted's "megabyte" in bytes is *broken*
SIZE_FACTOR=2 # multiply the sizes found by this value
BOOT_SIZE_FACTOR=2 # multiply /boot size by this value additionally
CUR_BOUNDARY=0 # align first partition at 1MB for performance (+1)
@ -87,15 +89,15 @@ IMG="$2"
ROOTSIZE="$3"
[ -n "$ROOTSIZE" -a "$ROOTSIZE" != 0 ] || unset ROOTSIZE
# image size in bytes (note the final ceil rounding to megabytes)
# image size in bytes
TARSIZE="$(stat -Lc %s "$TAR")"
# /boot size in that tarball
BOOTSIZE="$(boot_size "$TAR")"
DEFSIZE="$(($SIZE_FACTOR * ($TARSIZE - $BOOTSIZE)))" # (exact sizes)
ROOTSIZE="$((${ROOTSIZE:-$DEFSIZE} + $MB - 1))"
ROOTSIZE="$((${ROOTSIZE:-$DEFSIZE} + $MB - 1))" # for ceil rounding to MB
# image and /boot sizes in megabytes
ROOTSIZEM="$(($ROOTSIZE / $MB))"
BOOTSIZEM="$((($SIZE_FACTOR * $BOOTSIZE + $MB - 1) / $MB))"
BOOTSIZEM="$((($SIZE_FACTOR * $BOOT_SIZE_FACTOR * $BOOTSIZE + $MB - 1) / $MB))"
# tested to work: ext[234], jfs
# NB: xfs doesn't have a spare sector for the bootloader