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| author | Ryusuke Konishi <konishi.ryusuke@gmail.com> | 2024-08-26 19:41:10 +0200 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2024-09-02 05:43:42 +0200 |
| commit | 21176c0ae4ac9ab5ca7e1b7e6c234dee2a0022f0 (patch) | |
| tree | 0225b2ec7cf428730b5fc280d132d226e68176d8 /fs/nilfs2 | |
| parent | nilfs2: use common implementation of file type (diff) | |
| download | linux-21176c0ae4ac9ab5ca7e1b7e6c234dee2a0022f0.tar.xz linux-21176c0ae4ac9ab5ca7e1b7e6c234dee2a0022f0.zip | |
nilfs2: use the BITS_PER_LONG macro
The macros NILFS_BMAP_KEY_BIT and NILFS_BMAP_NEW_PTR_INIT calculate,
within their definitions, the number of bits in an unsigned long variable.
Use the BITS_PER_LONG macro to make them simpler.
Link: https://lkml.kernel.org/r/20240826174116.5008-3-konishi.ryusuke@gmail.com
Signed-off-by: Ryusuke Konishi <konishi.ryusuke@gmail.com>
Cc: Huang Xiaojia <huangxiaojia2@huawei.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'fs/nilfs2')
| -rw-r--r-- | fs/nilfs2/bmap.h | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/fs/nilfs2/bmap.h b/fs/nilfs2/bmap.h index 5f8c8c552620..4656df392722 100644 --- a/fs/nilfs2/bmap.h +++ b/fs/nilfs2/bmap.h @@ -87,9 +87,8 @@ struct nilfs_bmap_operations { #define NILFS_BMAP_SIZE (NILFS_INODE_BMAP_SIZE * sizeof(__le64)) -#define NILFS_BMAP_KEY_BIT (sizeof(unsigned long) * 8 /* CHAR_BIT */) -#define NILFS_BMAP_NEW_PTR_INIT \ - (1UL << (sizeof(unsigned long) * 8 /* CHAR_BIT */ - 1)) +#define NILFS_BMAP_KEY_BIT BITS_PER_LONG +#define NILFS_BMAP_NEW_PTR_INIT (1UL << (BITS_PER_LONG - 1)) static inline int nilfs_bmap_is_new_ptr(unsigned long ptr) { |