On Fri, May 11, 2018 at 01:35:27PM +0800, Qu Wenruo wrote:
> +/*
> + * Check the validation of super block at write time.
> + * Some checks like bytenr check will be skipped as their values will be
> + * overwritten soon.
> + * Extra checks like csum type and incompact flags will be executed here.
^^^^^^^^^
I almost missed it, it's 'incompat', short from 'incompatibility'
> + if (btrfs_super_incompat_flags(sb) & ~BTRFS_FEATURE_INCOMPAT_SUPP) {
> + ret = -EUCLEAN;
> + btrfs_err(fs_info,
> + "invalid incompact flags, has 0x%llu valid mask 0x%llu",
^^^^^^^^^
Also fixed, as it's in a user visible string.
> + btrfs_super_incompat_flags(sb),
> + BTRFS_FEATURE_INCOMPAT_SUPP);
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