3468fdbd34
It's not enough to preserve/restore MS_RDONLY on the superblock flags to avoid remounting a snapshot read-write: be explicit about our intentions to the VFS layer so the readonly bit is updated correctly in do_remount_sb(). Reviewed-by: Chunwei Chen <tuxoko@gmail.com> Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov> Signed-off-by: loli10K <ezomori.nozomu@gmail.com> Closes #6510 Closes #6515 |
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