diff options
| author | Jaegeuk Kim <jaegeuk@kernel.org> | 2018-03-09 17:42:28 -0800 |
|---|---|---|
| committer | Jaegeuk Kim <jaegeuk@kernel.org> | 2018-04-08 03:51:15 -0700 |
| commit | 739ace131cdfd5dd0eca4c4bbf06b0a3bce25d9d (patch) | |
| tree | cc9af9780caf5695beafdea809c5e79b05af3ba0 /include/linux | |
| parent | 4c55abe4f8d2ca91987cf5e91e8eb7a71b2dab9c (diff) | |
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>
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/f2fs_fs.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/include/linux/f2fs_fs.h b/include/linux/f2fs_fs.h index 61ddee120675..2ebfa01b7091 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 */ |