Mounting Linux filesystem
Remove ext2fuse with brew uninstall ext2fuse.
Download fuse-ext2 available at the git homepage and unzip it in your Downloads folder
Follow these instructions:

brew install m4
brew install e2fsprogs automake autoconf libtool
cd ~/Downloads/fuse-ext2-master
./autogen.sh
CFLAGS="-idirafter/$(brew --prefix e2fsprogs)/include -idirafter/usr/local/include/osxfuse" LDFLAGS="-L$(brew --prefix e2fsprogs)/lib" ./configure
make 
sudo make install

Mount the partition(s) e.g. disk2s7:

sudo fuse-ext2 /dev/disk2s7 /sd -o allow_other,force,rw+





Tested &amp; verified in a virtual 10.11.6 El Capitan machine!