[PATCH v1 1/2] Remove hardcoded block size shifts

[Kelvin Zhang]

This improves support for non 4K block sizes

Signed-off-by: Kelvin Zhang <zhangkelvin at google.com>
---
 lib/compress.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/compress.c b/lib/compress.c
index 06bacdb..ae0838c 100644
--- a/lib/compress.c
+++ b/lib/compress.c
@@ -766,7 +766,7 @@ static void z_erofs_write_mapheader(struct erofs_inode *inode,
 		.h_algorithmtype = inode->z_algorithmtype[1] << 4 |
 				   inode->z_algorithmtype[0],
 		/* lclustersize */
-		.h_clusterbits = inode->z_logical_clusterbits - 12,
+		.h_clusterbits = inode->z_logical_clusterbits - sbi.blkszbits,
 	};
 
 	if (inode->z_advise & Z_EROFS_ADVISE_FRAGMENT_PCLUSTER)
-- 
2.41.0.rc0.172.g3f132b7071-goog