From 491c0854b41380f48e422c00ae7e25ae4d02cecc Mon Sep 17 00:00:00 2001 From: Jaegeuk Kim Date: Tue, 4 Feb 2014 13:01:10 +0900 Subject: [PATCH] f2fs: clean up with a macro This patch adds GET_BLKOFF_FROM_SEG0 to clean up some codes. Signed-off-by: Jaegeuk Kim --- fs/f2fs/recovery.c | 3 +-- fs/f2fs/segment.c | 11 ++++------- fs/f2fs/segment.h | 3 +++ 3 files changed, 8 insertions(+), 9 deletions(-) diff --git a/fs/f2fs/recovery.c b/fs/f2fs/recovery.c index f1b0b89..bda04a0 100644 --- a/fs/f2fs/recovery.c +++ b/fs/f2fs/recovery.c @@ -218,8 +218,7 @@ static int check_index_in_prev_nodes(struct f2fs_sb_info *sbi, { struct seg_entry *sentry; unsigned int segno = GET_SEGNO(sbi, blkaddr); - unsigned short blkoff = GET_SEGOFF_FROM_SEG0(sbi, blkaddr) & - (sbi->blocks_per_seg - 1); + unsigned short blkoff = GET_BLKOFF_FROM_SEG0(sbi, blkaddr); struct f2fs_summary sum; nid_t ino, nid; void *kaddr; diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c index fba510b..e87946a 100644 --- a/fs/f2fs/segment.c +++ b/fs/f2fs/segment.c @@ -405,7 +405,7 @@ static void update_sit_entry(struct f2fs_sb_info *sbi, block_t blkaddr, int del) se = get_seg_entry(sbi, segno); new_vblocks = se->valid_blocks + del; - offset = GET_SEGOFF_FROM_SEG0(sbi, blkaddr) & (sbi->blocks_per_seg - 1); + offset = GET_BLKOFF_FROM_SEG0(sbi, blkaddr); f2fs_bug_on((new_vblocks >> (sizeof(unsigned short) << 3) || (new_vblocks > sbi->blocks_per_seg))); @@ -987,8 +987,7 @@ void recover_data_page(struct f2fs_sb_info *sbi, change_curseg(sbi, type, true); } - curseg->next_blkoff = GET_SEGOFF_FROM_SEG0(sbi, new_blkaddr) & - (sbi->blocks_per_seg - 1); + curseg->next_blkoff = GET_BLKOFF_FROM_SEG0(sbi, new_blkaddr); __add_sum_entry(sbi, type, sum); refresh_sit_entry(sbi, old_blkaddr, new_blkaddr); @@ -1026,8 +1025,7 @@ void rewrite_node_page(struct f2fs_sb_info *sbi, curseg->next_segno = segno; change_curseg(sbi, type, true); } - curseg->next_blkoff = GET_SEGOFF_FROM_SEG0(sbi, new_blkaddr) & - (sbi->blocks_per_seg - 1); + curseg->next_blkoff = GET_BLKOFF_FROM_SEG0(sbi, new_blkaddr); __add_sum_entry(sbi, type, sum); /* change the current log to the next block addr in advance */ @@ -1035,8 +1033,7 @@ void rewrite_node_page(struct f2fs_sb_info *sbi, curseg->next_segno = next_segno; change_curseg(sbi, type, true); } - curseg->next_blkoff = GET_SEGOFF_FROM_SEG0(sbi, next_blkaddr) & - (sbi->blocks_per_seg - 1); + curseg->next_blkoff = GET_BLKOFF_FROM_SEG0(sbi, next_blkaddr); /* rewrite node page */ set_page_writeback(page); 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), \ -- 2.7.4