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authorKent Overstreet <kent.overstreet@gmail.com>2020-06-09 15:44:03 -0400
committerKent Overstreet <kent.overstreet@linux.dev>2023-10-22 17:08:41 -0400
commit374153c2a958f33805e68a20770e4f0b503be48e (patch)
tree020fa23fe998856844d69c61831690211a9bb68e /fs/bcachefs/alloc_types.h
parente38821f322d97ca1289bea704eed9d276f47c521 (diff)
bcachefs: More open buckets
We need a larger open bucket reserve now that the btree interior update path holds onto open bucket references; filesystems with many high through devices may need more open buckets now. Signed-off-by: Kent Overstreet <kent.overstreet@gmail.com> Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
Diffstat (limited to 'fs/bcachefs/alloc_types.h')
-rw-r--r--fs/bcachefs/alloc_types.h16
1 files changed, 11 insertions, 5 deletions
diff --git a/fs/bcachefs/alloc_types.h b/fs/bcachefs/alloc_types.h
index 832568dc9551..4f1465077994 100644
--- a/fs/bcachefs/alloc_types.h
+++ b/fs/bcachefs/alloc_types.h
@@ -46,16 +46,22 @@ enum alloc_reserve {
typedef FIFO(long) alloc_fifo;
-/* Enough for 16 cache devices, 2 tiers and some left over for pipelining */
-#define OPEN_BUCKETS_COUNT 256
+#define OPEN_BUCKETS_COUNT 1024
#define WRITE_POINT_HASH_NR 32
#define WRITE_POINT_MAX 32
+typedef u16 open_bucket_idx_t;
+
struct open_bucket {
spinlock_t lock;
atomic_t pin;
- u8 freelist;
+ open_bucket_idx_t freelist;
+
+ /*
+ * When an open bucket has an ec_stripe attached, this is the index of
+ * the block in the stripe this open_bucket corresponds to:
+ */
u8 ec_idx;
u8 type;
unsigned valid:1;
@@ -68,8 +74,8 @@ struct open_bucket {
#define OPEN_BUCKET_LIST_MAX 15
struct open_buckets {
- u8 nr;
- u8 v[OPEN_BUCKET_LIST_MAX];
+ open_bucket_idx_t nr;
+ open_bucket_idx_t v[OPEN_BUCKET_LIST_MAX];
};
struct dev_stripe_state {