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Code Issues Releases Wiki Activity

bcachefs: Convert some assertions to fsck errors

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Actual repair code will come later, but this is a start

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
This commit is contained in:
Kent Overstreet 2019-07-13 12:59:02 -04:00 committed by Kent Overstreet
parent e222d206f2
commit 8d591d5da4
1 changed files with 25 additions and 5 deletions
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30
fs/bcachefs/buckets.c
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@ -847,8 +847,6 @@ static void bucket_set_stripe(struct bch_fs *c,
struct bucket *g = PTR_BUCKET(ca, ptr, gc);
struct bucket_mark new, old;
BUG_ON(ptr_stale(ca, ptr));
old = bucket_data_cmpxchg(c, ca, fs_usage, g, new, ({
new.dirty = true;
new.stripe = enabled;
@ -857,6 +855,26 @@ static void bucket_set_stripe(struct bch_fs *c,
new.journal_seq = journal_seq;
}
}));
/*
* XXX write repair code for these, flag stripe as possibly bad
*/
if (old.gen != ptr->gen)
bch2_fsck_err(c, FSCK_CAN_IGNORE|FSCK_NEED_FSCK,
"stripe with stale pointer");
#if 0
/*
* We'd like to check for these, but these checks don't work
* yet:
*/
if (old.stripe && enabled)
bch2_fsck_err(c, FSCK_CAN_IGNORE|FSCK_NEED_FSCK,
"multiple stripes using same bucket");
if (!old.stripe && !enabled)
bch2_fsck_err(c, FSCK_CAN_IGNORE|FSCK_NEED_FSCK,
"deleting stripe but bucket not marked as stripe bucket");
#endif
}
}
@ -885,9 +903,11 @@ static bool bch2_mark_pointer(struct bch_fs *c,
* checked the gen
*/
if (gen_after(new.gen, p.ptr.gen)) {
BUG_ON(!test_bit(BCH_FS_ALLOC_READ_DONE, &c->flags));
EBUG_ON(!p.ptr.cached &&
test_bit(JOURNAL_REPLAY_DONE, &c->journal.flags));
/* XXX write repair code for this */
if (!p.ptr.cached &&
test_bit(JOURNAL_REPLAY_DONE, &c->journal.flags))
bch2_fsck_err(c, FSCK_CAN_IGNORE|FSCK_NEED_FSCK,
"stale dirty pointer");
return true;
}