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| author |   Namjae Jeon <namjae.jeon@samsung.com> | 2012-12-08 14:54:50 +0900 |
|---|---|---|
| committer |   Jaegeuk Kim <jaegeuk.kim@samsung.com> | 2012-12-11 13:43:45 +0900 |
| commit | 457d08ee4fd91c8df17917ff2d32565e6adacbfc (patch) | |
| tree | d97e620d4617642414cdec0ecc9bae9081e156b6 /include/linux/f2fs_fs.h | |
| parent | f2fs: remove redundant call to f2fs_put_page in delete entry (diff) | |
| download | wireguard-linux-457d08ee4fd91c8df17917ff2d32565e6adacbfc.tar.xz wireguard-linux-457d08ee4fd91c8df17917ff2d32565e6adacbfc.zip | |
f2fs: introduce accessor to retrieve number of dentry slots
Simplify code by providing the accessor macro to retrieve the
number of dentry slots for a given filename length.
Signed-off-by: Namjae Jeon <namjae.jeon@samsung.com>
Signed-off-by: Amit Sahrawat <a.sahrawat@samsung.com>
Diffstat (limited to 'include/linux/f2fs_fs.h')
| -rw-r--r-- | include/linux/f2fs_fs.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/include/linux/f2fs_fs.h b/include/linux/f2fs_fs.h index c2fbbc35c1e6..f9a12f6243a5 100644 --- a/include/linux/f2fs_fs.h +++ b/include/linux/f2fs_fs.h @@ -363,6 +363,9 @@ typedef __le32 f2fs_hash_t; /* One directory entry slot covers 8bytes-long file name */ #define F2FS_NAME_LEN 8 +#define F2FS_NAME_LEN_BITS 3 + +#define GET_DENTRY_SLOTS(x) ((x + F2FS_NAME_LEN - 1) >> F2FS_NAME_LEN_BITS) /* the number of dentry in a block */ #define NR_DENTRY_IN_BLOCK 214 |