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authorJaegeuk Kim <jaegeuk.kim@samsung.com>2014-02-04 13:01:10 +0900
committerJaegeuk Kim <jaegeuk.kim@samsung.com>2014-02-17 14:58:52 +0900
commit491c0854b41380f48e422c00ae7e25ae4d02cecc (patch)
treec38f223a14407ecda736da3b9683f7251b4d08bc /fs/f2fs
parent924a2ddbd0c2829ebca9ac899522cbb16a9b6d8c (diff)
downloadop-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')
-rw-r--r--fs/f2fs/recovery.c3
-rw-r--r--fs/f2fs/segment.c11
-rw-r--r--fs/f2fs/segment.h3
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), \
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