btrfs: unify the ro checking for mount options

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We're going to be adding more options that require RDONLY, so add a
helper to do the check and error out if we don't have RDONLY set.

Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Reviewed-by: Qu Wenruo <wqu@suse.com>
Signed-off-by: Josef Bacik <josef@toxicpanda.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>

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Josef Bacik 2020-10-16 11:29:13 -04:00 • committed by David Sterba

parent a6889caf6e

commit d70bf7484f

1 changed files with 16 additions and 7 deletions

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fs/btrfs/super.c

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