f2fs: align memory boundary for bitops
For example, in arm64, free_nid_bitmap should be aligned to word size in order
to use bit operations.
Reviewed-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
diff --git a/include/linux/f2fs_fs.h b/include/linux/f2fs_fs.h
index 124787e8..aa5db8b 100644
--- a/include/linux/f2fs_fs.h
+++ b/include/linux/f2fs_fs.h
@@ -305,6 +305,10 @@ struct f2fs_node {
*/
#define NAT_ENTRY_PER_BLOCK (PAGE_SIZE / sizeof(struct f2fs_nat_entry))
#define NAT_ENTRY_BITMAP_SIZE ((NAT_ENTRY_PER_BLOCK + 7) / 8)
+#define NAT_ENTRY_BITMAP_SIZE_ALIGNED \
+ ((NAT_ENTRY_BITMAP_SIZE + BITS_PER_LONG - 1) / \
+ BITS_PER_LONG * BITS_PER_LONG)
+
struct f2fs_nat_entry {
__u8 version; /* latest version of cached nat entry */