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| author |   Alex Franco <alejandro.franco@linux.intel.com> | 2015-08-26 16:57:35 -0500 |
|---|---|---|
| committer |   Richard Purdie <richard.purdie@linuxfoundation.org> | 2015-08-29 13:32:41 +0100 |
| commit | 6938791ff97a23430afb4aa16d71aa8729a12ead (patch) | |
| tree | 1f1917548448f86448dbb8bf99d31e1fc44ccae0 /meta/classes/image_types.bbclass | |
| parent | a902e98c5938f52ec960e0518e0ceaf8f5ee610c (diff) | |
| download | openembedded-core-contrib-6938791ff97a23430afb4aa16d71aa8729a12ead.tar.gz | |
Empty image: filesystem allocation
Increase sparse image block size when ROOTFS_SIZE is smaller than
the minimum needed for ext4 to fit into it.
[YOCTO #7664]
Signed-off-by: Alex Franco <alejandro.franco@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
Diffstat (limited to 'meta/classes/image_types.bbclass')
| -rw-r--r-- | meta/classes/image_types.bbclass | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/meta/classes/image_types.bbclass b/meta/classes/image_types.bbclass index 8547574a1d..2fd4c3794a 100644 --- a/meta/classes/image_types.bbclass +++ b/meta/classes/image_types.bbclass @@ -49,8 +49,16 @@ oe_mkext234fs () { extra_imagecmd=$@ fi + # If generating an empty image the size of the sparse block should be large + # enough to allocate an ext4 filesystem using 4096 bytes per inode, this is + # about 60K, so dd needs a minimum count of 60, with bs=1024 (bytes per IO) + eval local COUNT=\"0\" + eval local MIN_COUNT=\"60\" + if [ $ROOTFS_SIZE -lt $MIN_COUNT ]; then + eval COUNT=\"$MIN_COUNT\" + fi # Create a sparse image block - dd if=/dev/zero of=${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}.rootfs.$fstype seek=$ROOTFS_SIZE count=0 bs=1k + dd if=/dev/zero of=${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}.rootfs.$fstype seek=$ROOTFS_SIZE count=$COUNT bs=1024 mkfs.$fstype -F $extra_imagecmd ${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}.rootfs.$fstype -d ${IMAGE_ROOTFS} } |