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f2fs: clean up with a macro

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This patch adds GET_BLKOFF_FROM_SEG0 to clean up some codes.

Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>
This commit is contained in:
Jaegeuk Kim 2014-02-04 13:01:10 +09:00
parent 924a2ddbd0
commit 491c0854b4
3 changed files with 8 additions and 9 deletions
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3
fs/f2fs/segment.h
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@ -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), \