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| author | Jaegeuk Kim <jaegeuk.kim@samsung.com> | 2014-02-04 13:01:10 +0900 |
|---|---|---|
| committer | Jaegeuk Kim <jaegeuk.kim@samsung.com> | 2014-02-17 14:58:52 +0900 |
| commit | 491c0854b41380f48e422c00ae7e25ae4d02cecc (patch) | |
| tree | c38f223a14407ecda736da3b9683f7251b4d08bc /fs/f2fs/segment.h | |
| parent | 924a2ddbd0c2829ebca9ac899522cbb16a9b6d8c (diff) | |
| download | op-kernel-dev-491c0854b41380f48e422c00ae7e25ae4d02cecc.zip op-kernel-dev-491c0854b41380f48e422c00ae7e25ae4d02cecc.tar.gz | |
f2fs: clean up with a macro
This patch adds GET_BLKOFF_FROM_SEG0 to clean up some codes.
Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>
Diffstat (limited to 'fs/f2fs/segment.h')
| -rw-r--r-- | fs/f2fs/segment.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/fs/f2fs/segment.h b/fs/f2fs/segment.h index 5731682..4024546 100644 --- a/fs/f2fs/segment.h +++ b/fs/f2fs/segment.h @@ -57,6 +57,9 @@ ((blk_addr) - SM_I(sbi)->seg0_blkaddr) #define GET_SEGNO_FROM_SEG0(sbi, blk_addr) \ (GET_SEGOFF_FROM_SEG0(sbi, blk_addr) >> sbi->log_blocks_per_seg) +#define GET_BLKOFF_FROM_SEG0(sbi, blk_addr) \ + (GET_SEGOFF_FROM_SEG0(sbi, blk_addr) & (sbi->blocks_per_seg - 1)) + #define GET_SEGNO(sbi, blk_addr) \ (((blk_addr == NULL_ADDR) || (blk_addr == NEW_ADDR)) ? \ NULL_SEGNO : GET_L2R_SEGNO(FREE_I(sbi), \ |
