commit | 10add84e276432d9dd8044679a1028dd4084117e | [log] [tgz] |
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author | Mike Snitzer <snitzer@redhat.com> | Fri May 05 14:40:13 2017 -0400 |
committer | Mike Snitzer <snitzer@redhat.com> | Fri May 05 14:40:13 2017 -0400 |
tree | 6ea92feaba250f9751bfae9d0cdc64a5d55cafb4 | |
parent | 7ab84db64f119e03b2c42ed919dfee7d6cf0dc3c [diff] |
dm cache metadata: fail operations if fail_io mode has been established Otherwise it is possible to trigger crashes due to the metadata being inaccessible yet these methods don't safely account for that possibility without these checks. Cc: stable@vger.kernel.org Reported-by: Mikulas Patocka <mpatocka@redhat.com> Signed-off-by: Mike Snitzer <snitzer@redhat.com>