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Message-Id: <20170411001308.12881-3-jaegeuk@kernel.org>
Date: Mon, 10 Apr 2017 17:13:07 -0700
From: Jaegeuk Kim <jaegeuk@...nel.org>
To: linux-kernel@...r.kernel.org, linux-fsdevel@...r.kernel.org,
linux-f2fs-devel@...ts.sourceforge.net
Cc: Jaegeuk Kim <jaegeuk@...nel.org>
Subject: [PATCH 3/4] f2fs: clean up some macros in terms of GET_SEGNO
This patch cleans several macros by introducing:
- BLKS_PER_SEC
- GET_SEC_FROM_SEG
- GET_SEG_FROM_SEC
- GET_ZONE_FROM_SEC
- GET_ZONE_FROM_SEG
Signed-off-by: Jaegeuk Kim <jaegeuk@...nel.org>
---
fs/f2fs/debug.c | 6 +++---
fs/f2fs/f2fs.h | 7 +++----
fs/f2fs/file.c | 3 +--
fs/f2fs/gc.c | 17 ++++++++---------
fs/f2fs/segment.c | 20 ++++++++++----------
fs/f2fs/segment.h | 34 ++++++++++++++++++++--------------
6 files changed, 45 insertions(+), 42 deletions(-)
diff --git a/fs/f2fs/debug.c b/fs/f2fs/debug.c
index dc16a52db275..692beff66bf8 100644
--- a/fs/f2fs/debug.c
+++ b/fs/f2fs/debug.c
@@ -109,8 +109,8 @@ static void update_general_status(struct f2fs_sb_info *sbi)
for (i = CURSEG_HOT_DATA; i <= CURSEG_COLD_NODE; i++) {
struct curseg_info *curseg = CURSEG_I(sbi, i);
si->curseg[i] = curseg->segno;
- si->cursec[i] = curseg->segno / sbi->segs_per_sec;
- si->curzone[i] = si->cursec[i] / sbi->secs_per_zone;
+ si->cursec[i] = GET_SEC_FROM_SEG(sbi, curseg->segno);
+ si->curzone[i] = GET_ZONE_FROM_SEC(sbi, si->cursec[i]);
}
for (i = 0; i < 2; i++) {
@@ -134,7 +134,7 @@ static void update_sit_info(struct f2fs_sb_info *sbi)
bimodal = 0;
total_vblocks = 0;
- blks_per_sec = sbi->segs_per_sec * sbi->blocks_per_seg;
+ blks_per_sec = BLKS_PER_SEC(sbi);
hblks_per_sec = blks_per_sec / 2;
for (segno = 0; segno < MAIN_SEGS(sbi); segno += sbi->segs_per_sec) {
vblocks = get_valid_blocks(sbi, segno, true);
diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h
index b5846c086e7d..562db8989a4e 100644
--- a/fs/f2fs/f2fs.h
+++ b/fs/f2fs/f2fs.h
@@ -135,12 +135,11 @@ enum {
#define DEF_BATCHED_TRIM_SECTIONS 2048
#define BATCHED_TRIM_SEGMENTS(sbi) \
- (SM_I(sbi)->trim_sections * (sbi)->segs_per_sec)
+ (GET_SEG_FROM_SEC(sbi, SM_I(sbi)->trim_sections))
#define BATCHED_TRIM_BLOCKS(sbi) \
(BATCHED_TRIM_SEGMENTS(sbi) << (sbi)->log_blocks_per_seg)
-#define MAX_DISCARD_BLOCKS(sbi) \
- ((1 << (sbi)->log_blocks_per_seg) * (sbi)->segs_per_sec)
-#define DISCARD_ISSUE_RATE 8
+#define MAX_DISCARD_BLOCKS(sbi) BLKS_PER_SEC(sbi)
+#define DISCARD_ISSUE_RATE 8
#define DEF_CP_INTERVAL 60 /* 60 secs */
#define DEF_IDLE_INTERVAL 5 /* 5 secs */
diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c
index f3be240ef129..4731eb587e06 100644
--- a/fs/f2fs/file.c
+++ b/fs/f2fs/file.c
@@ -1892,7 +1892,6 @@ static int f2fs_defragment_range(struct f2fs_sb_info *sbi,
pgoff_t pg_start, pg_end;
unsigned int blk_per_seg = sbi->blocks_per_seg;
unsigned int total = 0, sec_num;
- unsigned int pages_per_sec = sbi->segs_per_sec * blk_per_seg;
block_t blk_end = 0;
bool fragmented = false;
int err;
@@ -1956,7 +1955,7 @@ static int f2fs_defragment_range(struct f2fs_sb_info *sbi,
map.m_lblk = pg_start;
map.m_len = pg_end - pg_start;
- sec_num = (map.m_len + pages_per_sec - 1) / pages_per_sec;
+ sec_num = (map.m_len + BLKS_PER_SEC(sbi) - 1) / BLKS_PER_SEC(sbi);
/*
* make sure there are enough free section for LFS allocation, this can
diff --git a/fs/f2fs/gc.c b/fs/f2fs/gc.c
index 439887c3aaf4..e2f9b2b12b74 100644
--- a/fs/f2fs/gc.c
+++ b/fs/f2fs/gc.c
@@ -211,7 +211,7 @@ static unsigned int check_bg_victims(struct f2fs_sb_info *sbi)
continue;
clear_bit(secno, dirty_i->victim_secmap);
- return secno * sbi->segs_per_sec;
+ return GET_SEG_FROM_SEC(sbi, secno);
}
return NULL_SEGNO;
}
@@ -219,8 +219,8 @@ static unsigned int check_bg_victims(struct f2fs_sb_info *sbi)
static unsigned int get_cb_cost(struct f2fs_sb_info *sbi, unsigned int segno)
{
struct sit_info *sit_i = SIT_I(sbi);
- unsigned int secno = GET_SECNO(sbi, segno);
- unsigned int start = secno * sbi->segs_per_sec;
+ unsigned int secno = GET_SEC_FROM_SEG(sbi, segno);
+ unsigned int start = GET_SEG_FROM_SEC(sbi, secno);
unsigned long long mtime = 0;
unsigned int vblocks;
unsigned char age = 0;
@@ -343,7 +343,7 @@ static int get_victim_by_default(struct f2fs_sb_info *sbi,
nsearched++;
}
- secno = GET_SECNO(sbi, segno);
+ secno = GET_SEC_FROM_SEG(sbi, segno);
if (sec_usage_check(sbi, secno))
goto next;
@@ -372,7 +372,7 @@ static int get_victim_by_default(struct f2fs_sb_info *sbi,
if (p.min_segno != NULL_SEGNO) {
got_it:
if (p.alloc_mode == LFS) {
- secno = GET_SECNO(sbi, p.min_segno);
+ secno = GET_SEC_FROM_SEG(sbi, p.min_segno);
if (gc_type == FG_GC)
sbi->cur_victim_sec = secno;
else
@@ -1006,7 +1006,7 @@ int f2fs_gc(struct f2fs_sb_info *sbi, bool sync, bool background)
void build_gc_manager(struct f2fs_sb_info *sbi)
{
- u64 main_count, resv_count, ovp_count, blocks_per_sec;
+ u64 main_count, resv_count, ovp_count;
DIRTY_I(sbi)->v_ops = &default_v_ops;
@@ -1014,8 +1014,7 @@ void build_gc_manager(struct f2fs_sb_info *sbi)
main_count = SM_I(sbi)->main_segments << sbi->log_blocks_per_seg;
resv_count = SM_I(sbi)->reserved_segments << sbi->log_blocks_per_seg;
ovp_count = SM_I(sbi)->ovp_segments << sbi->log_blocks_per_seg;
- blocks_per_sec = sbi->blocks_per_seg * sbi->segs_per_sec;
- sbi->fggc_threshold = div64_u64((main_count - ovp_count) * blocks_per_sec,
- (main_count - resv_count));
+ sbi->fggc_threshold = div64_u64((main_count - ovp_count) *
+ BLKS_PER_SEC(sbi), (main_count - resv_count));
}
diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c
index ae8331802d05..471ea9944412 100644
--- a/fs/f2fs/segment.c
+++ b/fs/f2fs/segment.c
@@ -637,7 +637,7 @@ static void __remove_dirty_segment(struct f2fs_sb_info *sbi, unsigned int segno,
dirty_i->nr_dirty[t]--;
if (get_valid_blocks(sbi, segno, true) == 0)
- clear_bit(GET_SECNO(sbi, segno),
+ clear_bit(GET_SEC_FROM_SEG(sbi, segno),
dirty_i->victim_secmap);
}
}
@@ -1106,8 +1106,8 @@ void clear_prefree_segments(struct f2fs_sb_info *sbi, struct cp_control *cpc)
continue;
}
next:
- secno = GET_SECNO(sbi, start);
- start_segno = secno * sbi->segs_per_sec;
+ secno = GET_SEC_FROM_SEG(sbi, start);
+ start_segno = GET_SEG_FROM_SEC(sbi, secno);
if (!IS_CURSEC(sbi, secno) &&
!get_valid_blocks(sbi, start, true))
f2fs_issue_discard(sbi, START_BLOCK(sbi, start_segno),
@@ -1462,8 +1462,8 @@ static void get_new_segment(struct f2fs_sb_info *sbi,
struct free_segmap_info *free_i = FREE_I(sbi);
unsigned int segno, secno, zoneno;
unsigned int total_zones = MAIN_SECS(sbi) / sbi->secs_per_zone;
- unsigned int hint = *newseg / sbi->segs_per_sec;
- unsigned int old_zoneno = GET_ZONENO_FROM_SEGNO(sbi, *newseg);
+ unsigned int hint = GET_SEC_FROM_SEG(sbi, *newseg);
+ unsigned int old_zoneno = GET_ZONE_FROM_SEG(sbi, *newseg);
unsigned int left_start = hint;
bool init = true;
int go_left = 0;
@@ -1473,8 +1473,8 @@ static void get_new_segment(struct f2fs_sb_info *sbi,
if (!new_sec && ((*newseg + 1) % sbi->segs_per_sec)) {
segno = find_next_zero_bit(free_i->free_segmap,
- (hint + 1) * sbi->segs_per_sec, *newseg + 1);
- if (segno < (hint + 1) * sbi->segs_per_sec)
+ GET_SEG_FROM_SEC(sbi, hint + 1), *newseg + 1);
+ if (segno < GET_SEG_FROM_SEC(sbi, hint + 1))
goto got_it;
}
find_other_zone:
@@ -1505,8 +1505,8 @@ static void get_new_segment(struct f2fs_sb_info *sbi,
secno = left_start;
skip_left:
hint = secno;
- segno = secno * sbi->segs_per_sec;
- zoneno = secno / sbi->secs_per_zone;
+ segno = GET_SEG_FROM_SEC(sbi, secno);
+ zoneno = GET_ZONE_FROM_SEC(sbi, secno);
/* give up on finding another zone */
if (!init)
@@ -1550,7 +1550,7 @@ static void reset_curseg(struct f2fs_sb_info *sbi, int type, int modified)
struct summary_footer *sum_footer;
curseg->segno = curseg->next_segno;
- curseg->zone = GET_ZONENO_FROM_SEGNO(sbi, curseg->segno);
+ curseg->zone = GET_ZONE_FROM_SEG(sbi, curseg->segno);
curseg->next_blkoff = 0;
curseg->next_segno = NULL_SEGNO;
diff --git a/fs/f2fs/segment.h b/fs/f2fs/segment.h
index 053166038bfe..5f6ef163aa8f 100644
--- a/fs/f2fs/segment.h
+++ b/fs/f2fs/segment.h
@@ -78,12 +78,16 @@
((((blk_addr) == NULL_ADDR) || ((blk_addr) == NEW_ADDR)) ? \
NULL_SEGNO : GET_L2R_SEGNO(FREE_I(sbi), \
GET_SEGNO_FROM_SEG0(sbi, blk_addr)))
-#define GET_SECNO(sbi, segno) \
+#define BLKS_PER_SEC(sbi) \
+ ((sbi)->segs_per_sec * (sbi)->blocks_per_seg)
+#define GET_SEC_FROM_SEG(sbi, segno) \
((segno) / (sbi)->segs_per_sec)
-#define GET_SEGNO_FROM_SECNO(sbi, secno) \
+#define GET_SEG_FROM_SEC(sbi, secno) \
((secno) * (sbi)->segs_per_sec)
-#define GET_ZONENO_FROM_SEGNO(sbi, segno) \
- (((segno) / (sbi)->segs_per_sec) / (sbi)->secs_per_zone)
+#define GET_ZONE_FROM_SEC(sbi, secno) \
+ ((secno) / (sbi)->secs_per_zone)
+#define GET_ZONE_FROM_SEG(sbi, segno) \
+ GET_ZONE_FROM_SEC(sbi, GET_SEC_FROM_SEG(sbi, segno))
#define GET_SUM_BLOCK(sbi, segno) \
((sbi)->sm_info->ssa_blkaddr + (segno))
@@ -305,7 +309,7 @@ static inline struct sec_entry *get_sec_entry(struct f2fs_sb_info *sbi,
unsigned int segno)
{
struct sit_info *sit_i = SIT_I(sbi);
- return &sit_i->sec_entries[GET_SECNO(sbi, segno)];
+ return &sit_i->sec_entries[GET_SEC_FROM_SEG(sbi, segno)];
}
static inline unsigned int get_valid_blocks(struct f2fs_sb_info *sbi,
@@ -360,8 +364,8 @@ static inline unsigned int find_next_inuse(struct free_segmap_info *free_i,
static inline void __set_free(struct f2fs_sb_info *sbi, unsigned int segno)
{
struct free_segmap_info *free_i = FREE_I(sbi);
- unsigned int secno = segno / sbi->segs_per_sec;
- unsigned int start_segno = secno * sbi->segs_per_sec;
+ unsigned int secno = GET_SEC_FROM_SEG(sbi, segno);
+ unsigned int start_segno = GET_SEG_FROM_SEC(sbi, secno);
unsigned int next;
spin_lock(&free_i->segmap_lock);
@@ -381,7 +385,8 @@ static inline void __set_inuse(struct f2fs_sb_info *sbi,
unsigned int segno)
{
struct free_segmap_info *free_i = FREE_I(sbi);
- unsigned int secno = segno / sbi->segs_per_sec;
+ unsigned int secno = GET_SEC_FROM_SEG(sbi, segno);
+
set_bit(segno, free_i->free_segmap);
free_i->free_segments--;
if (!test_and_set_bit(secno, free_i->free_secmap))
@@ -392,8 +397,8 @@ static inline void __set_test_and_free(struct f2fs_sb_info *sbi,
unsigned int segno)
{
struct free_segmap_info *free_i = FREE_I(sbi);
- unsigned int secno = segno / sbi->segs_per_sec;
- unsigned int start_segno = secno * sbi->segs_per_sec;
+ unsigned int secno = GET_SEC_FROM_SEG(sbi, segno);
+ unsigned int start_segno = GET_SEG_FROM_SEC(sbi, secno);
unsigned int next;
spin_lock(&free_i->segmap_lock);
@@ -414,7 +419,8 @@ static inline void __set_test_and_inuse(struct f2fs_sb_info *sbi,
unsigned int segno)
{
struct free_segmap_info *free_i = FREE_I(sbi);
- unsigned int secno = segno / sbi->segs_per_sec;
+ unsigned int secno = GET_SEC_FROM_SEG(sbi, segno);
+
spin_lock(&free_i->segmap_lock);
if (!test_and_set_bit(segno, free_i->free_segmap)) {
free_i->free_segments--;
@@ -479,12 +485,12 @@ static inline int overprovision_segments(struct f2fs_sb_info *sbi)
static inline int overprovision_sections(struct f2fs_sb_info *sbi)
{
- return ((unsigned int) overprovision_segments(sbi)) / sbi->segs_per_sec;
+ return GET_SEC_FROM_SEG(sbi, (unsigned int)overprovision_segments(sbi));
}
static inline int reserved_sections(struct f2fs_sb_info *sbi)
{
- return ((unsigned int) reserved_segments(sbi)) / sbi->segs_per_sec;
+ return GET_SEC_FROM_SEG(sbi, (unsigned int)reserved_segments(sbi));
}
static inline bool need_SSR(struct f2fs_sb_info *sbi)
@@ -722,7 +728,7 @@ static inline block_t sum_blk_addr(struct f2fs_sb_info *sbi, int base, int type)
static inline bool no_fggc_candidate(struct f2fs_sb_info *sbi,
unsigned int secno)
{
- if (get_valid_blocks(sbi, GET_SEGNO_FROM_SECNO(sbi, secno), true) >=
+ if (get_valid_blocks(sbi, GET_SEG_FROM_SEC(sbi, secno), true) >=
sbi->fggc_threshold)
return true;
return false;
--
2.11.0
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