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| author |   Chao Yu <chao2.yu@samsung.com> | 2014-04-26 19:59:52 +0800 |
|---|---|---|
| committer |   Jaegeuk Kim <jaegeuk.kim@samsung.com> | 2014-05-07 10:21:56 +0900 |
| commit | 6403eb1f646a49cc92f25c08f8716f8870a4a865 (patch) | |
| tree | 31bb16630a67a086d0ff271cea88b9c9bc3e301b /include/linux/f2fs_fs.h | |
| parent | f2fs: submit bio at the reclaim path (diff) | |
| download | linux-dev-6403eb1f646a49cc92f25c08f8716f8870a4a865.tar.xz linux-dev-6403eb1f646a49cc92f25c08f8716f8870a4a865.zip | |
f2fs: introduce help macro ADDRS_PER_PAGE()
Introduce help macro ADDRS_PER_PAGE() to get the number of address pointers in
direct node or inode.
Signed-off-by: Chao Yu <chao2.yu@samsung.com>
Signed-off-by: Jaegeuk Kim <jaegeuk.kim@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 df53e1753a76..8c03f71307c6 100644 --- a/include/linux/f2fs_fs.h +++ b/include/linux/f2fs_fs.h @@ -146,6 +146,9 @@ struct f2fs_extent { #define ADDRS_PER_BLOCK 1018 /* Address Pointers in a Direct Block */ #define NIDS_PER_BLOCK 1018 /* Node IDs in an Indirect Block */ +#define ADDRS_PER_PAGE(page, fi) \ + (IS_INODE(page) ? ADDRS_PER_INODE(fi) : ADDRS_PER_BLOCK) + #define NODE_DIR1_BLOCK (DEF_ADDRS_PER_INODE + 1) #define NODE_DIR2_BLOCK (DEF_ADDRS_PER_INODE + 2) #define NODE_IND1_BLOCK (DEF_ADDRS_PER_INODE + 3) |