When dealing with filesystems that come from block devices we can get a
noticeable performance gain in some use cases from having the block
cache enabled. Do so by default for btrfs/ext4/FAT.
Signed-off-by: Tom Rini <tr...@konsulko.com>
---
In general this grows U-Boot itself by ~2KiB and does grow SPL by ~540
bytes when we have it present. This is only seemingly true when we have
CONFIG_SPL_BLK and in turn block devices and filesystems. I'm not
opposed to introducing CONFIG_SPL_BLOCK_CACHE down the line if needed,
but I don't think we need it to start with.
---
drivers/block/Kconfig | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/block/Kconfig b/drivers/block/Kconfig
index 15fd1bcb2b7e..a7f4bbfb7bb9 100644
--- a/drivers/block/Kconfig
+++ b/drivers/block/Kconfig
@@ -29,7 +29,8 @@ config SPL_BLK
config BLOCK_CACHE
bool "Use block device cache"
- default n
+ depends on BLK
+ default y if FS_BTRFS || FS_EXT4 || FS_FAT
help
This option enables a disk-block cache for all block devices.
This is most useful when accessing filesystems under U-Boot since
--
2.7.4
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