zfsonlinux/zfs — pull request #2814 by behlendorf (2014-10-20 21:43:04+00:00)
Title: Fix snapshots with dirty inodes

Filesystems which are mounted read-only or are immutable because
they are snapshots must not be allowed to dirty and inode. This
will result in a write which will correctly cause a kernel panic
because these filesystem are (and must be) immutable.

Signed-off-by: Brian Behlendorf
Issue #2812