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bcachefs: disallow ever going rw if nochanges or noreplay

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Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
This commit is contained in:
Kent Overstreet
2019-04-05 00:18:52 -04:00
committed by Kent Overstreet
parent 4881fdb756
commit 330581f16f
1 changed files with 5 additions and 0 deletions
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5
fs/bcachefs/super.c
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@@ -378,6 +378,10 @@ int __bch2_fs_read_write(struct bch_fs *c, bool early)
if (test_bit(BCH_FS_RW, &c->flags))
return 0;
if (c->opts.nochanges ||
c->opts.noreplay)
return -EINVAL;
ret = bch2_fs_mark_dirty(c);
if (ret)
goto err;
@@ -684,6 +688,7 @@ static struct bch_fs *bch2_fs_alloc(struct bch_sb *sb, struct bch_opts opts)
c->opts.nochanges |= c->opts.noreplay;
c->opts.read_only |= c->opts.nochanges;
c->opts.read_only |= c->opts.noreplay;
if (bch2_fs_init_fault("fs_alloc"))
goto err;