From: Haicheng Li <haicheng.li@linux.intel.com>
To: linux-fsdevel@vger.kernel.org,
linux-f2fs-devel@lists.sourceforge.net,
Jaegeuk Kim <jaegeuk.kim@samsung.com>
Cc: linux-kernel@vger.kernel.org,
Haicheng Li <haicheng.lee@gmail.com>,
Haicheng Li <haicheng.li@linux.intel.com>
Subject: [PATCH] f2fs: remove unecessary variable and code
Date: Tue, 14 May 2013 18:20:28 +0800 [thread overview]
Message-ID: <1368526828-17494-1-git-send-email-haicheng.li@linux.intel.com> (raw)
Code cleanup without behavior changed.
Signed-off-by: Haicheng Li <haicheng.li@linux.intel.com>
---
fs/f2fs/segment.c | 18 ++++++++----------
1 file changed, 8 insertions(+), 10 deletions(-)
diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c
index d8e84e4..3a0d027 100644
--- a/fs/f2fs/segment.c
+++ b/fs/f2fs/segment.c
@@ -126,17 +126,16 @@ void locate_dirty_segment(struct f2fs_sb_info *sbi, unsigned int segno)
static void set_prefree_as_free_segments(struct f2fs_sb_info *sbi)
{
struct dirty_seglist_info *dirty_i = DIRTY_I(sbi);
- unsigned int segno, offset = 0;
+ unsigned int segno = -1;
unsigned int total_segs = TOTAL_SEGS(sbi);
mutex_lock(&dirty_i->seglist_lock);
while (1) {
segno = find_next_bit(dirty_i->dirty_segmap[PRE], total_segs,
- offset);
+ segno + 1);
if (segno >= total_segs)
break;
__set_test_and_free(sbi, segno);
- offset = segno + 1;
}
mutex_unlock(&dirty_i->seglist_lock);
}
@@ -144,17 +143,16 @@ static void set_prefree_as_free_segments(struct f2fs_sb_info *sbi)
void clear_prefree_segments(struct f2fs_sb_info *sbi)
{
struct dirty_seglist_info *dirty_i = DIRTY_I(sbi);
- unsigned int segno, offset = 0;
+ unsigned int segno = -1;
unsigned int total_segs = TOTAL_SEGS(sbi);
mutex_lock(&dirty_i->seglist_lock);
while (1) {
segno = find_next_bit(dirty_i->dirty_segmap[PRE], total_segs,
- offset);
+ segno + 1);
if (segno >= total_segs)
break;
- offset = segno + 1;
if (test_and_clear_bit(segno, dirty_i->dirty_segmap[PRE]))
dirty_i->nr_dirty[PRE]--;
@@ -364,11 +362,11 @@ next:
static int is_next_segment_free(struct f2fs_sb_info *sbi, int type)
{
struct curseg_info *curseg = CURSEG_I(sbi, type);
- unsigned int segno = curseg->segno;
+ unsigned int segno = curseg->segno + 1;
struct free_segmap_info *free_i = FREE_I(sbi);
- if (segno + 1 < TOTAL_SEGS(sbi) && (segno + 1) % sbi->segs_per_sec)
- return !test_bit(segno + 1, free_i->free_segmap);
+ if (segno < TOTAL_SEGS(sbi) && segno % sbi->segs_per_sec)
+ return !test_bit(segno, free_i->free_segmap);
return 0;
}
@@ -495,7 +493,7 @@ static void new_curseg(struct f2fs_sb_info *sbi, int type, bool new_sec)
int dir = ALLOC_LEFT;
write_sum_page(sbi, curseg->sum_blk,
- GET_SUM_BLOCK(sbi, curseg->segno));
+ GET_SUM_BLOCK(sbi, segno));
if (type == CURSEG_WARM_DATA || type == CURSEG_COLD_DATA)
dir = ALLOC_RIGHT;
--
1.7.9.5
reply other threads:[~2013-05-14 10:20 UTC|newest]
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