From bb1105e479fbb8b0edc6f35affec71b75e31c8c0 Mon Sep 17 00:00:00 2001 From: Jaegeuk Kim Date: Fri, 9 Mar 2018 17:42:28 -0800 Subject: 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 Signed-off-by: Jaegeuk Kim --- include/linux/f2fs_fs.h | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'include/linux/f2fs_fs.h') diff --git a/include/linux/f2fs_fs.h b/include/linux/f2fs_fs.h index 124787e8db58..aa5db8b5521a 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 */ -- cgit v1.2.3-59-g8ed1b