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| author | Kent Overstreet <kent.overstreet@linux.dev> | 2024-04-05 16:21:39 -0400 |
|---|---|---|
| committer | Kent Overstreet <kent.overstreet@linux.dev> | 2024-04-13 14:33:15 -0400 |
| commit | ae30cc7e6bd247d97c433790dc2499ef6052a40e (patch) | |
| tree | b9396dc6def6d0fc00f9f7fb93efbf33104b2412 | |
| parent | 19f8a4f803a8b78ce4bb239a67f9289365ac39a3 (diff) | |
bcachefs: add btree_node_merging_disabled debug param
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
| -rw-r--r-- | fs/bcachefs/bcachefs.h | 2 | ||||
| -rw-r--r-- | fs/bcachefs/btree_update_interior.h | 3 |
2 files changed, 5 insertions, 0 deletions
diff --git a/fs/bcachefs/bcachefs.h b/fs/bcachefs/bcachefs.h index 91c3c1fef233..6366a6a90944 100644 --- a/fs/bcachefs/bcachefs.h +++ b/fs/bcachefs/bcachefs.h @@ -359,6 +359,8 @@ do { \ #define BCH_DEBUG_PARAMS_ALWAYS() \ BCH_DEBUG_PARAM(key_merging_disabled, \ "Disables merging of extents") \ + BCH_DEBUG_PARAM(btree_node_merging_disabled, \ + "Disables merging of btree nodes") \ BCH_DEBUG_PARAM(btree_gc_always_rewrite, \ "Causes mark and sweep to compact and rewrite every " \ "btree node it traverses") \ diff --git a/fs/bcachefs/btree_update_interior.h b/fs/bcachefs/btree_update_interior.h index c1a479ebaad1..ca1a3be43af8 100644 --- a/fs/bcachefs/btree_update_interior.h +++ b/fs/bcachefs/btree_update_interior.h @@ -144,6 +144,9 @@ static inline int bch2_foreground_maybe_merge_sibling(struct btree_trans *trans, EBUG_ON(!btree_node_locked(path, level)); + if (bch2_btree_node_merging_disabled) + return 0; + b = path->l[level].b; if (b->sib_u64s[sib] > trans->c->btree_foreground_merge_threshold) return 0; |