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commit 0ca76cd70357cfca0aece9594f3168d9f945f154 Author: Josh Boyer <[email protected]> Date: Wed May 29 13:08:15 2013 -0400 Add some utility functions to create and mount loopback filesystems --- utils/loopback.sh | 50 ++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 50 insertions(+) diff --git a/utils/loopback.sh b/utils/loopback.sh new file mode 100644 index 0000000..3179c43 --- /dev/null +++ b/utils/loopback.sh @@ -0,0 +1,50 @@ +#!/bin/bash + +create_sparse_file() { + dd if=/dev/zero of=$1 bs=1 count=0 seek=$2M ; + return $? +} + +create_fs() { + loopdev=`losetup --find --show $2`; + echo $loopdev + mkfs -t $1 $loopdev ; + losetup --detach $loopdev + return $? +} + +mount_image() { + mount -t $1 -o loop $2 $3 ; + return $? +} + +loopback_fs() { + file=$1; + size=$2; + fs=$3; + mountpoint=$4; + + create_sparse_file $file $size; + rc=$? + if [ $rc -ne 0 ] + then + echo "Could not create spare file $file" + return 3 + fi + + create_fs $fs $file + if [ $rc -ne 0 ] + then + echo "Could not create $fs on $file" + return 3 + fi + + mount_image $fs $file $mountpoint + if [ $rc -ne 0 ] + then + echo "Could not mount $fs filesystem on $file at $mountpoint" + return 3 + fi + + return 0 +} -- To stop receiving notification emails like this one, please contact the administrator of this repository. _______________________________________________ kernel mailing list [email protected] https://lists.fedoraproject.org/admin/lists/[email protected]
