bcachefs: Mask out unknown compat features when going read-write
Compat features should be cleared if the filesystem was touched by a version that doesn't support them. Signed-off-by: Kent Overstreet <kent.overstreet@gmail.com>
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@ -985,6 +985,7 @@ int bch2_fs_mark_dirty(struct bch_fs *c)
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mutex_lock(&c->sb_lock);
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mutex_lock(&c->sb_lock);
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SET_BCH_SB_CLEAN(c->disk_sb.sb, false);
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SET_BCH_SB_CLEAN(c->disk_sb.sb, false);
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c->disk_sb.sb->features[0] |= cpu_to_le64(BCH_SB_FEATURES_ALWAYS);
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c->disk_sb.sb->features[0] |= cpu_to_le64(BCH_SB_FEATURES_ALWAYS);
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c->disk_sb.sb->compat[0] &= cpu_to_le64((1ULL << BCH_COMPAT_NR) - 1);
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ret = bch2_write_super(c);
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ret = bch2_write_super(c);
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mutex_unlock(&c->sb_lock);
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mutex_unlock(&c->sb_lock);
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