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| author |   Jaegeuk Kim <jaegeuk@kernel.org> | 2018-03-09 17:42:28 -0800 |
|---|---|---|
| committer | Jaegeuk Kim <jaegeuk@kernel.org> | 2018-03-17 13:57:39 +0900 |
| commit | bb1105e479fbb8b0edc6f35affec71b75e31c8c0 (patch) | |
| tree | 782efd263f26e6dfd3305fdccf2070acf82113f8 /include/linux/f2fs_fs.h | |
| parent | f2fs: remove unneeded set_cold_node() (diff) | |
| download | wireguard-linux-bb1105e479fbb8b0edc6f35affec71b75e31c8c0.tar.xz wireguard-linux-bb1105e479fbb8b0edc6f35affec71b75e31c8c0.zip | |
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/f2fs_fs.h')
| -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 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 */ |