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Diffstat (limited to 'pkg/sentry/fsimpl/ext/assets/README.md')
-rw-r--r-- | pkg/sentry/fsimpl/ext/assets/README.md | 36 |
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diff --git a/pkg/sentry/fsimpl/ext/assets/README.md b/pkg/sentry/fsimpl/ext/assets/README.md new file mode 100644 index 000000000..6f1e81b3a --- /dev/null +++ b/pkg/sentry/fsimpl/ext/assets/README.md @@ -0,0 +1,36 @@ +### Tiny Ext(2/3/4) Images + +The images are of size 64Kb which supports 64 1k blocks and 16 inodes. This is +the smallest size mkfs.ext(2/3/4) works with. + +These images were generated using the following commands. + +```bash +fallocate -l 64K tiny.ext$VERSION +mkfs.ext$VERSION -j tiny.ext$VERSION +``` + +where `VERSION` is `2`, `3` or `4`. + +You can mount it using: + +```bash +sudo mount -o loop tiny.ext$VERSION $MOUNTPOINT +``` + +`file.txt`, `bigfile.txt` and `symlink.txt` were added to this image by just +mounting it and copying (while preserving links) those files to the mountpoint +directory using: + +```bash +sudo cp -P {file.txt,symlink.txt,bigfile.txt} $MOUNTPOINT +``` + +The files in this directory mirror the contents and organisation of the files +stored in the image. + +You can umount the filesystem using: + +```bash +sudo umount $MOUNTPOINT +``` |