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authorJan Kara <jack@suse.cz>2013-07-25 11:49:11 +0200
committerJan Kara <jack@suse.cz>2013-07-31 22:14:50 +0200
commit17b7f7cf58926844e1dd40f5eb5348d481deca6a (patch)
tree23e0c4e3237fc2c61a551618056342d1aa5dfbdf /fs/udf
parentcf7eff4666629de006c5ed78de79e40f483c3b06 (diff)
downloadop-kernel-dev-17b7f7cf58926844e1dd40f5eb5348d481deca6a.zip
op-kernel-dev-17b7f7cf58926844e1dd40f5eb5348d481deca6a.tar.gz
isofs: Refuse RW mount of the filesystem instead of making it RO
Refuse RW mount of isofs filesystem. So far we just silently changed it to RO mount but when the media is writeable, block layer won't notice this change and thus will think device is used RW and will block eject button of the drive. That is unexpected by users because for non-writeable media eject button works just fine. Userspace mount(8) command handles this just fine and retries mounting with MS_RDONLY set so userspace shouldn't see any regression. Plus any tool mounting isofs is likely confronted with the case of read-only media where block layer already refuses to mount the filesystem without MS_RDONLY set so our behavior shouldn't be anything new for it. Reported-by: Hui Wang <hui.wang@canonical.com> Signed-off-by: Jan Kara <jack@suse.cz>
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