The default settings of the block cache so far only allow to hold single
1K blocks. However, larger filesystems tend to use 4K. Failing to cache
those massively degrades access performance unless you manually tune the
cache first. This is not desirable.
Signed-off-by: Jan Kiszka <jan.kis...@siemens.com>
---
My "load mmc is slow" problem reappeared on AM65xx after growing the
rootfs to almost 1 GB - despite an active block cache.
drivers/block/blkcache.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/block/blkcache.c b/drivers/block/blkcache.c
index 294511fcdb..1fa64989d3 100644
--- a/drivers/block/blkcache.c
+++ b/drivers/block/blkcache.c
@@ -24,7 +24,7 @@ struct block_cache_node {
static LIST_HEAD(block_cache);
static struct block_cache_stats _stats = {
- .max_blocks_per_entry = 2,
+ .max_blocks_per_entry = 8,
.max_entries = 32
};
--
2.16.4
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