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bcachefs: Rebalance now skips poisoned extents

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Let's not move poisoned extents unnecessarily, since we can't guard
against introducing more bitrot.

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
This commit is contained in:
Kent Overstreet
2025-03-11 09:46:06 -04:00
parent cb8336ca42
commit 8c087d2ddf
1 changed files with 6 additions and 0 deletions
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6
fs/bcachefs/rebalance.c
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@@ -95,6 +95,9 @@ static unsigned bch2_bkey_ptrs_need_rebalance(struct bch_fs *c,
{
struct bkey_ptrs_c ptrs = bch2_bkey_ptrs_c(k);
if (bch2_bkey_extent_ptrs_flags(ptrs) & BIT_ULL(BCH_EXTENT_FLAG_poisoned))
return 0;
return bch2_bkey_ptrs_need_compress(c, opts, k, ptrs) |
bch2_bkey_ptrs_need_move(c, opts, ptrs);
}
@@ -107,6 +110,9 @@ u64 bch2_bkey_sectors_need_rebalance(struct bch_fs *c, struct bkey_s_c k)
if (!opts)
return 0;
if (bch2_bkey_extent_ptrs_flags(ptrs) & BIT_ULL(BCH_EXTENT_FLAG_poisoned))
return 0;
const union bch_extent_entry *entry;
struct extent_ptr_decoded p;
u64 sectors = 0;