Re: [PATCH 2/3 v2] f2fs: use BLKS_PER_SEG, BLKS_PER_SEC, and SEGS_PER_SEC

From: Jaegeuk Kim
Date: Mon Feb 12 2024 - 13:10:41 EST

No functional change.

Reviewed-by: Daeho Jeong <daehojeong@xxxxxxxxxx>
Signed-off-by: Jaegeuk Kim <jaegeuk@xxxxxxxxxx>
---

Change log from v1:
- use div_u64

fs/f2fs/checkpoint.c | 10 ++--
fs/f2fs/debug.c | 6 +--
fs/f2fs/f2fs.h | 19 +++++---
fs/f2fs/file.c | 12 ++---
fs/f2fs/gc.c | 40 ++++++++--------
fs/f2fs/node.c | 4 +-
fs/f2fs/node.h | 4 +-
fs/f2fs/recovery.c | 2 +-
fs/f2fs/segment.c | 109 +++++++++++++++++++++----------------------
fs/f2fs/segment.h | 18 ++++---
fs/f2fs/super.c | 8 ++--
fs/f2fs/sysfs.c | 6 +--
12 files changed, 119 insertions(+), 119 deletions(-)

diff --git a/fs/f2fs/checkpoint.c b/fs/f2fs/checkpoint.c
index b85820e70f5e..a09a9609e228 100644
--- a/fs/f2fs/checkpoint.c
+++ b/fs/f2fs/checkpoint.c
@@ -900,7 +900,7 @@ static struct page *validate_checkpoint(struct f2fs_sb_info *sbi,

cp_blocks = le32_to_cpu(cp_block->cp_pack_total_block_count);

- if (cp_blocks > sbi->blocks_per_seg || cp_blocks <= F2FS_CP_PACKS) {
+ if (cp_blocks > BLKS_PER_SEG(sbi) || cp_blocks <= F2FS_CP_PACKS) {
f2fs_warn(sbi, "invalid cp_pack_total_block_count:%u",
le32_to_cpu(cp_block->cp_pack_total_block_count));
goto invalid_cp;
@@ -1335,7 +1335,7 @@ static void update_ckpt_flags(struct f2fs_sb_info *sbi, struct cp_control *cpc)

if (cpc->reason & CP_UMOUNT) {
if (le32_to_cpu(ckpt->cp_pack_total_block_count) +
- NM_I(sbi)->nat_bits_blocks > sbi->blocks_per_seg) {
+ NM_I(sbi)->nat_bits_blocks > BLKS_PER_SEG(sbi)) {
clear_ckpt_flags(sbi, CP_NAT_BITS_FLAG);
f2fs_notice(sbi, "Disable nat_bits due to no space");
} else if (!is_set_ckpt_flags(sbi, CP_NAT_BITS_FLAG) &&
@@ -1538,7 +1538,7 @@ static int do_checkpoint(struct f2fs_sb_info *sbi, struct cp_control *cpc)
cp_ver |= ((__u64)crc32 << 32);
*(__le64 *)nm_i->nat_bits = cpu_to_le64(cp_ver);

- blk = start_blk + sbi->blocks_per_seg - nm_i->nat_bits_blocks;
+ blk = start_blk + BLKS_PER_SEG(sbi) - nm_i->nat_bits_blocks;
for (i = 0; i < nm_i->nat_bits_blocks; i++)
f2fs_update_meta_page(sbi, nm_i->nat_bits +
(i << F2FS_BLKSIZE_BITS), blk + i);
@@ -1741,9 +1741,9 @@ void f2fs_init_ino_entry_info(struct f2fs_sb_info *sbi)
im->ino_num = 0;
}

- sbi->max_orphans = (sbi->blocks_per_seg - F2FS_CP_PACKS -
+ sbi->max_orphans = (BLKS_PER_SEG(sbi) - F2FS_CP_PACKS -
NR_CURSEG_PERSIST_TYPE - __cp_payload(sbi)) *
- F2FS_ORPHANS_PER_BLOCK;
+ F2FS_ORPHANS_PER_BLOCK;
}

int __init f2fs_create_checkpoint_caches(void)
diff --git a/fs/f2fs/debug.c b/fs/f2fs/debug.c
index fdbf994f1271..0d02224b99b7 100644
--- a/fs/f2fs/debug.c
+++ b/fs/f2fs/debug.c
@@ -41,7 +41,7 @@ void f2fs_update_sit_info(struct f2fs_sb_info *sbi)
total_vblocks = 0;
blks_per_sec = CAP_BLKS_PER_SEC(sbi);
hblks_per_sec = blks_per_sec / 2;
- for (segno = 0; segno < MAIN_SEGS(sbi); segno += sbi->segs_per_sec) {
+ for (segno = 0; segno < MAIN_SEGS(sbi); segno += SEGS_PER_SEC(sbi)) {
vblocks = get_valid_blocks(sbi, segno, true);
dist = abs(vblocks - hblks_per_sec);
bimodal += dist * dist;
@@ -135,7 +135,7 @@ static void update_general_status(struct f2fs_sb_info *sbi)
si->cur_ckpt_time = sbi->cprc_info.cur_time;
si->peak_ckpt_time = sbi->cprc_info.peak_time;
spin_unlock(&sbi->cprc_info.stat_lock);
- si->total_count = (int)sbi->user_block_count / sbi->blocks_per_seg;
+ si->total_count = (int)sbi->user_block_count / BLKS_PER_SEG(sbi);
si->rsvd_segs = reserved_segments(sbi);
si->overp_segs = overprovision_segments(sbi);
si->valid_count = valid_user_blocks(sbi);
@@ -208,7 +208,7 @@ static void update_general_status(struct f2fs_sb_info *sbi)
if (!blks)
continue;

- if (blks == sbi->blocks_per_seg)
+ if (blks == BLKS_PER_SEG(sbi))
si->full_seg[type]++;
else
si->dirty_seg[type]++;
diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h
index 4c52136cbc10..0fb3947787d0 100644
--- a/fs/f2fs/f2fs.h
+++ b/fs/f2fs/f2fs.h
@@ -1813,6 +1813,14 @@ struct f2fs_sb_info {
#endif
};

+/* Definitions to access f2fs_sb_info */
+#define BLKS_PER_SEG(sbi) \
+ ((sbi)->blocks_per_seg)
+#define BLKS_PER_SEC(sbi) \
+ ((sbi)->segs_per_sec << (sbi)->log_blocks_per_seg)
+#define SEGS_PER_SEC(sbi) \
+ ((sbi)->segs_per_sec)
+
__printf(3, 4)
void f2fs_printk(struct f2fs_sb_info *sbi, bool limit_rate, const char *fmt, ...);

@@ -2511,11 +2519,8 @@ static inline int get_dirty_pages(struct inode *inode)

static inline int get_blocktype_secs(struct f2fs_sb_info *sbi, int block_type)
{
- unsigned int pages_per_sec = sbi->segs_per_sec * sbi->blocks_per_seg;
- unsigned int segs = (get_pages(sbi, block_type) + pages_per_sec - 1) >>
- sbi->log_blocks_per_seg;
-
- return segs / sbi->segs_per_sec;
+ return div_u64(get_pages(sbi, block_type) + BLKS_PER_SEC(sbi) - 1,
+ BLKS_PER_SEC(sbi));
}

static inline block_t valid_user_blocks(struct f2fs_sb_info *sbi)
@@ -2579,7 +2584,7 @@ static inline block_t __start_cp_addr(struct f2fs_sb_info *sbi)
block_t start_addr = le32_to_cpu(F2FS_RAW_SUPER(sbi)->cp_blkaddr);

if (sbi->cur_cp_pack == 2)
- start_addr += sbi->blocks_per_seg;
+ start_addr += BLKS_PER_SEG(sbi);
return start_addr;
}

@@ -2588,7 +2593,7 @@ static inline block_t __start_cp_next_addr(struct f2fs_sb_info *sbi)
block_t start_addr = le32_to_cpu(F2FS_RAW_SUPER(sbi)->cp_blkaddr);

if (sbi->cur_cp_pack == 1)
- start_addr += sbi->blocks_per_seg;
+ start_addr += BLKS_PER_SEG(sbi);
return start_addr;
}

diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c
index c6cd9474ba2d..b0be576b2090 100644
--- a/fs/f2fs/file.c
+++ b/fs/f2fs/file.c
@@ -2580,7 +2580,6 @@ static int f2fs_defragment_range(struct f2fs_sb_info *sbi,
.m_may_create = false };
struct extent_info ei = {};
pgoff_t pg_start, pg_end, next_pgofs;
- unsigned int blk_per_seg = sbi->blocks_per_seg;
unsigned int total = 0, sec_num;
block_t blk_end = 0;
bool fragmented = false;
@@ -2689,7 +2688,8 @@ static int f2fs_defragment_range(struct f2fs_sb_info *sbi,
set_inode_flag(inode, FI_SKIP_WRITES);

idx = map.m_lblk;
- while (idx < map.m_lblk + map.m_len && cnt < blk_per_seg) {
+ while (idx < map.m_lblk + map.m_len &&
+ cnt < BLKS_PER_SEG(sbi)) {
struct page *page;

page = f2fs_get_lock_data_page(inode, idx, true);
@@ -2709,7 +2709,7 @@ static int f2fs_defragment_range(struct f2fs_sb_info *sbi,

map.m_lblk = idx;
check:
- if (map.m_lblk < pg_end && cnt < blk_per_seg)
+ if (map.m_lblk < pg_end && cnt < BLKS_PER_SEG(sbi))
goto do_map;

clear_inode_flag(inode, FI_SKIP_WRITES);
@@ -4081,7 +4081,6 @@ static int f2fs_ioc_decompress_file(struct file *filp)
struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
struct f2fs_inode_info *fi = F2FS_I(inode);
pgoff_t page_idx = 0, last_idx;
- unsigned int blk_per_seg = sbi->blocks_per_seg;
int cluster_size = fi->i_cluster_size;
int count, ret;

@@ -4125,7 +4124,7 @@ static int f2fs_ioc_decompress_file(struct file *filp)
if (ret < 0)
break;

- if (get_dirty_pages(inode) >= blk_per_seg) {
+ if (get_dirty_pages(inode) >= BLKS_PER_SEG(sbi)) {
ret = filemap_fdatawrite(inode->i_mapping);
if (ret < 0)
break;
@@ -4160,7 +4159,6 @@ static int f2fs_ioc_compress_file(struct file *filp)
struct inode *inode = file_inode(filp);
struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
pgoff_t page_idx = 0, last_idx;
- unsigned int blk_per_seg = sbi->blocks_per_seg;
int cluster_size = F2FS_I(inode)->i_cluster_size;
int count, ret;

@@ -4203,7 +4201,7 @@ static int f2fs_ioc_compress_file(struct file *filp)
if (ret < 0)
break;

- if (get_dirty_pages(inode) >= blk_per_seg) {
+ if (get_dirty_pages(inode) >= BLKS_PER_SEG(sbi)) {
ret = filemap_fdatawrite(inode->i_mapping);
if (ret < 0)
break;
diff --git a/fs/f2fs/gc.c b/fs/f2fs/gc.c
index 6899f434ad68..d61a60c1c844 100644
--- a/fs/f2fs/gc.c
+++ b/fs/f2fs/gc.c
@@ -259,7 +259,7 @@ static void select_policy(struct f2fs_sb_info *sbi, int gc_type,
p->ofs_unit = 1;
} else {
p->gc_mode = select_gc_type(sbi, gc_type);
- p->ofs_unit = sbi->segs_per_sec;
+ p->ofs_unit = SEGS_PER_SEC(sbi);
if (__is_large_section(sbi)) {
p->dirty_bitmap = dirty_i->dirty_secmap;
p->max_search = count_bits(p->dirty_bitmap,
@@ -282,7 +282,8 @@ static void select_policy(struct f2fs_sb_info *sbi, int gc_type,

/* let's select beginning hot/small space first in no_heap mode*/
if (f2fs_need_rand_seg(sbi))
- p->offset = get_random_u32_below(MAIN_SECS(sbi) * sbi->segs_per_sec);
+ p->offset = get_random_u32_below(MAIN_SECS(sbi) *
+ SEGS_PER_SEC(sbi));
else if (test_opt(sbi, NOHEAP) &&
(type == CURSEG_HOT_DATA || IS_NODESEG(type)))
p->offset = 0;
@@ -295,13 +296,13 @@ static unsigned int get_max_cost(struct f2fs_sb_info *sbi,
{
/* SSR allocates in a segment unit */
if (p->alloc_mode == SSR)
- return sbi->blocks_per_seg;
+ return BLKS_PER_SEG(sbi);
else if (p->alloc_mode == AT_SSR)
return UINT_MAX;

/* LFS */
if (p->gc_mode == GC_GREEDY)
- return 2 * sbi->blocks_per_seg * p->ofs_unit;
+ return 2 * BLKS_PER_SEG(sbi) * p->ofs_unit;
else if (p->gc_mode == GC_CB)
return UINT_MAX;
else if (p->gc_mode == GC_AT)
@@ -496,9 +497,9 @@ static void add_victim_entry(struct f2fs_sb_info *sbi,
return;
}

- for (i = 0; i < sbi->segs_per_sec; i++)
+ for (i = 0; i < SEGS_PER_SEC(sbi); i++)
mtime += get_seg_entry(sbi, start + i)->mtime;
- mtime = div_u64(mtime, sbi->segs_per_sec);
+ mtime = div_u64(mtime, SEGS_PER_SEC(sbi));

/* Handle if the system time has changed by the user */
if (mtime < sit_i->min_mtime)
@@ -599,7 +600,6 @@ static void atssr_lookup_victim(struct f2fs_sb_info *sbi,
unsigned long long age;
unsigned long long max_mtime = sit_i->dirty_max_mtime;
unsigned long long min_mtime = sit_i->dirty_min_mtime;
- unsigned int seg_blocks = sbi->blocks_per_seg;
unsigned int vblocks;
unsigned int dirty_threshold = max(am->max_candidate_count,
am->candidate_ratio *
@@ -629,7 +629,7 @@ static void atssr_lookup_victim(struct f2fs_sb_info *sbi,
f2fs_bug_on(sbi, !vblocks);

/* rare case */
- if (vblocks == seg_blocks)
+ if (vblocks == BLKS_PER_SEG(sbi))
goto skip_node;

iter++;
@@ -755,7 +755,7 @@ int f2fs_get_victim(struct f2fs_sb_info *sbi, unsigned int *result,
int ret = 0;

mutex_lock(&dirty_i->seglist_lock);
- last_segment = MAIN_SECS(sbi) * sbi->segs_per_sec;
+ last_segment = MAIN_SECS(sbi) * SEGS_PER_SEC(sbi);

p.alloc_mode = alloc_mode;
p.age = age;
@@ -896,7 +896,7 @@ int f2fs_get_victim(struct f2fs_sb_info *sbi, unsigned int *result,
else
sm->last_victim[p.gc_mode] = segno + p.ofs_unit;
sm->last_victim[p.gc_mode] %=
- (MAIN_SECS(sbi) * sbi->segs_per_sec);
+ (MAIN_SECS(sbi) * SEGS_PER_SEC(sbi));
break;
}
}
@@ -1670,7 +1670,7 @@ static int do_garbage_collect(struct f2fs_sb_info *sbi,
struct f2fs_summary_block *sum;
struct blk_plug plug;
unsigned int segno = start_segno;
- unsigned int end_segno = start_segno + sbi->segs_per_sec;
+ unsigned int end_segno = start_segno + SEGS_PER_SEC(sbi);
int seg_freed = 0, migrated = 0;
unsigned char type = IS_DATASEG(get_seg_entry(sbi, segno)->type) ?
SUM_TYPE_DATA : SUM_TYPE_NODE;
@@ -1678,7 +1678,7 @@ static int do_garbage_collect(struct f2fs_sb_info *sbi,
int submitted = 0;

if (__is_large_section(sbi))
- end_segno = rounddown(end_segno, sbi->segs_per_sec);
+ end_segno = rounddown(end_segno, SEGS_PER_SEC(sbi));

/*
* zone-capacity can be less than zone-size in zoned devices,
@@ -1686,7 +1686,7 @@ static int do_garbage_collect(struct f2fs_sb_info *sbi,
* calculate the end segno in the zone which can be garbage collected
*/
if (f2fs_sb_has_blkzoned(sbi))
- end_segno -= sbi->segs_per_sec -
+ end_segno -= SEGS_PER_SEC(sbi) -
f2fs_usable_segs_in_sec(sbi, segno);

sanity_check_seg_type(sbi, get_seg_entry(sbi, segno)->type);
@@ -1986,7 +1986,7 @@ static int free_segment_range(struct f2fs_sb_info *sbi,

/* Force block allocation for GC */
MAIN_SECS(sbi) -= secs;
- start = MAIN_SECS(sbi) * sbi->segs_per_sec;
+ start = MAIN_SECS(sbi) * SEGS_PER_SEC(sbi);
end = MAIN_SEGS(sbi) - 1;

mutex_lock(&DIRTY_I(sbi)->seglist_lock);
@@ -2004,7 +2004,7 @@ static int free_segment_range(struct f2fs_sb_info *sbi,
f2fs_allocate_segment_for_resize(sbi, type, start, end);

/* do GC to move out valid blocks in the range */
- for (segno = start; segno <= end; segno += sbi->segs_per_sec) {
+ for (segno = start; segno <= end; segno += SEGS_PER_SEC(sbi)) {
struct gc_inode_list gc_list = {
.ilist = LIST_HEAD_INIT(gc_list.ilist),
.iroot = RADIX_TREE_INIT(gc_list.iroot, GFP_NOFS),
@@ -2048,7 +2048,7 @@ static void update_sb_metadata(struct f2fs_sb_info *sbi, int secs)
int segment_count;
int segment_count_main;
long long block_count;
- int segs = secs * sbi->segs_per_sec;
+ int segs = secs * SEGS_PER_SEC(sbi);

f2fs_down_write(&sbi->sb_lock);

@@ -2061,7 +2061,7 @@ static void update_sb_metadata(struct f2fs_sb_info *sbi, int secs)
raw_sb->segment_count = cpu_to_le32(segment_count + segs);
raw_sb->segment_count_main = cpu_to_le32(segment_count_main + segs);
raw_sb->block_count = cpu_to_le64(block_count +
- (long long)segs * sbi->blocks_per_seg);
+ (long long)(segs << sbi->log_blocks_per_seg));
if (f2fs_is_multi_device(sbi)) {
int last_dev = sbi->s_ndevs - 1;
int dev_segs =
@@ -2076,8 +2076,8 @@ static void update_sb_metadata(struct f2fs_sb_info *sbi, int secs)

static void update_fs_metadata(struct f2fs_sb_info *sbi, int secs)
{
- int segs = secs * sbi->segs_per_sec;
- long long blks = (long long)segs * sbi->blocks_per_seg;
+ int segs = secs * SEGS_PER_SEC(sbi);
+ long long blks = (long long)(segs << sbi->log_blocks_per_seg);
long long user_block_count =
le64_to_cpu(F2FS_CKPT(sbi)->user_block_count);

@@ -2119,7 +2119,7 @@ int f2fs_resize_fs(struct file *filp, __u64 block_count)
int last_dev = sbi->s_ndevs - 1;
__u64 last_segs = FDEV(last_dev).total_segments;

- if (block_count + last_segs * sbi->blocks_per_seg <=
+ if (block_count + (last_segs << sbi->log_blocks_per_seg) <=
old_block_count)
return -EINVAL;
}
diff --git a/fs/f2fs/node.c b/fs/f2fs/node.c
index 1d898a16f05a..51241996b9ec 100644
--- a/fs/f2fs/node.c
+++ b/fs/f2fs/node.c
@@ -2841,7 +2841,7 @@ int f2fs_restore_node_summary(struct f2fs_sb_info *sbi,
int i, idx, last_offset, nrpages;

/* scan the node segment */
- last_offset = sbi->blocks_per_seg;
+ last_offset = BLKS_PER_SEG(sbi);
addr = START_BLOCK(sbi, segno);
sum_entry = &sum->entries[0];

@@ -3158,7 +3158,7 @@ static int __get_nat_bitmaps(struct f2fs_sb_info *sbi)
if (!is_set_ckpt_flags(sbi, CP_NAT_BITS_FLAG))
return 0;

- nat_bits_addr = __start_cp_addr(sbi) + sbi->blocks_per_seg -
+ nat_bits_addr = __start_cp_addr(sbi) + BLKS_PER_SEG(sbi) -
nm_i->nat_bits_blocks;
for (i = 0; i < nm_i->nat_bits_blocks; i++) {
struct page *page;
diff --git a/fs/f2fs/node.h b/fs/f2fs/node.h
index 5bd16a95eef8..6aea13024ac1 100644
--- a/fs/f2fs/node.h
+++ b/fs/f2fs/node.h
@@ -208,10 +208,10 @@ static inline pgoff_t current_nat_addr(struct f2fs_sb_info *sbi, nid_t start)

block_addr = (pgoff_t)(nm_i->nat_blkaddr +
(block_off << 1) -
- (block_off & (sbi->blocks_per_seg - 1)));
+ (block_off & (BLKS_PER_SEG(sbi) - 1)));

if (f2fs_test_bit(block_off, nm_i->nat_bitmap))
- block_addr += sbi->blocks_per_seg;
+ block_addr += BLKS_PER_SEG(sbi);

return block_addr;
}
diff --git a/fs/f2fs/recovery.c b/fs/f2fs/recovery.c
index aad1d1a9b3d6..b3baec666afe 100644
--- a/fs/f2fs/recovery.c
+++ b/fs/f2fs/recovery.c
@@ -354,7 +354,7 @@ static unsigned int adjust_por_ra_blocks(struct f2fs_sb_info *sbi,
if (blkaddr + 1 == next_blkaddr)
ra_blocks = min_t(unsigned int, RECOVERY_MAX_RA_BLOCKS,
ra_blocks * 2);
- else if (next_blkaddr % sbi->blocks_per_seg)
+ else if (next_blkaddr % BLKS_PER_SEG(sbi))
ra_blocks = max_t(unsigned int, RECOVERY_MIN_RA_BLOCKS,
ra_blocks / 2);
return ra_blocks;
diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c
index e5759813276a..8d330664b925 100644
--- a/fs/f2fs/segment.c
+++ b/fs/f2fs/segment.c
@@ -448,8 +448,8 @@ static inline bool excess_dirty_threshold(struct f2fs_sb_info *sbi)
unsigned int nodes = get_pages(sbi, F2FS_DIRTY_NODES);
unsigned int meta = get_pages(sbi, F2FS_DIRTY_META);
unsigned int imeta = get_pages(sbi, F2FS_DIRTY_IMETA);
- unsigned int threshold = sbi->blocks_per_seg * factor *
- DEFAULT_DIRTY_THRESHOLD;
+ unsigned int threshold = (factor * DEFAULT_DIRTY_THRESHOLD) <<
+ sbi->log_blocks_per_seg;
unsigned int global_threshold = threshold * 3 / 2;

if (dents >= threshold || qdata >= threshold ||
@@ -1134,8 +1134,7 @@ static void __check_sit_bitmap(struct f2fs_sb_info *sbi,
struct seg_entry *sentry;
unsigned int segno;
block_t blk = start;
- unsigned long offset, size, max_blocks = sbi->blocks_per_seg;
- unsigned long *map;
+ unsigned long offset, size, *map;

while (blk < end) {
segno = GET_SEGNO(sbi, blk);
@@ -1145,7 +1144,7 @@ static void __check_sit_bitmap(struct f2fs_sb_info *sbi,
if (end < START_BLOCK(sbi, segno + 1))
size = GET_BLKOFF_FROM_SEG0(sbi, end);
else
- size = max_blocks;
+ size = BLKS_PER_SEG(sbi);
map = (unsigned long *)(sentry->cur_valid_map);
offset = __find_rev_next_bit(map, size, offset);
f2fs_bug_on(sbi, offset != size);
@@ -2044,7 +2043,6 @@ static bool add_discard_addrs(struct f2fs_sb_info *sbi, struct cp_control *cpc,
bool check_only)
{
int entries = SIT_VBLOCK_MAP_SIZE / sizeof(unsigned long);
- int max_blocks = sbi->blocks_per_seg;
struct seg_entry *se = get_seg_entry(sbi, cpc->trim_start);
unsigned long *cur_map = (unsigned long *)se->cur_valid_map;
unsigned long *ckpt_map = (unsigned long *)se->ckpt_valid_map;
@@ -2056,8 +2054,9 @@ static bool add_discard_addrs(struct f2fs_sb_info *sbi, struct cp_control *cpc,
struct list_head *head = &SM_I(sbi)->dcc_info->entry_list;
int i;

- if (se->valid_blocks == max_blocks || !f2fs_hw_support_discard(sbi) ||
- !f2fs_block_unit_discard(sbi))
+ if (se->valid_blocks == BLKS_PER_SEG(sbi) ||
+ !f2fs_hw_support_discard(sbi) ||
+ !f2fs_block_unit_discard(sbi))
return false;

if (!force) {
@@ -2074,13 +2073,14 @@ static bool add_discard_addrs(struct f2fs_sb_info *sbi, struct cp_control *cpc,

while (force || SM_I(sbi)->dcc_info->nr_discards <=
SM_I(sbi)->dcc_info->max_discards) {
- start = __find_rev_next_bit(dmap, max_blocks, end + 1);
- if (start >= max_blocks)
+ start = __find_rev_next_bit(dmap, BLKS_PER_SEG(sbi), end + 1);
+ if (start >= BLKS_PER_SEG(sbi))
break;

- end = __find_rev_next_zero_bit(dmap, max_blocks, start + 1);
- if (force && start && end != max_blocks
- && (end - start) < cpc->trim_minlen)
+ end = __find_rev_next_zero_bit(dmap,
+ BLKS_PER_SEG(sbi), start + 1);
+ if (force && start && end != BLKS_PER_SEG(sbi) &&
+ (end - start) < cpc->trim_minlen)
continue;

if (check_only)
@@ -2162,8 +2162,8 @@ void f2fs_clear_prefree_segments(struct f2fs_sb_info *sbi,
start + 1);

if (section_alignment) {
- start = rounddown(start, sbi->segs_per_sec);
- end = roundup(end, sbi->segs_per_sec);
+ start = rounddown(start, SEGS_PER_SEC(sbi));
+ end = roundup(end, SEGS_PER_SEC(sbi));
}

for (i = start; i < end; i++) {
@@ -2191,9 +2191,9 @@ void f2fs_clear_prefree_segments(struct f2fs_sb_info *sbi,
if (!IS_CURSEC(sbi, secno) &&
!get_valid_blocks(sbi, start, true))
f2fs_issue_discard(sbi, START_BLOCK(sbi, start_segno),
- sbi->segs_per_sec << sbi->log_blocks_per_seg);
+ BLKS_PER_SEC(sbi));

- start = start_segno + sbi->segs_per_sec;
+ start = start_segno + SEGS_PER_SEC(sbi);
if (start < end)
goto next;
else
@@ -2212,7 +2212,7 @@ void f2fs_clear_prefree_segments(struct f2fs_sb_info *sbi,
find_next:
if (is_valid) {
next_pos = find_next_zero_bit_le(entry->discard_map,
- sbi->blocks_per_seg, cur_pos);
+ BLKS_PER_SEG(sbi), cur_pos);
len = next_pos - cur_pos;

if (f2fs_sb_has_blkzoned(sbi) ||
@@ -2224,13 +2224,13 @@ void f2fs_clear_prefree_segments(struct f2fs_sb_info *sbi,
total_len += len;
} else {
next_pos = find_next_bit_le(entry->discard_map,
- sbi->blocks_per_seg, cur_pos);
+ BLKS_PER_SEG(sbi), cur_pos);
}
skip:
cur_pos = next_pos;
is_valid = !is_valid;

- if (cur_pos < sbi->blocks_per_seg)
+ if (cur_pos < BLKS_PER_SEG(sbi))
goto find_next;

release_discard_addr(entry);
@@ -2279,7 +2279,7 @@ static int create_discard_cmd_control(struct f2fs_sb_info *sbi)
dcc->max_ordered_discard = DEFAULT_MAX_ORDERED_DISCARD_GRANULARITY;
dcc->discard_io_aware = DPOLICY_IO_AWARE_ENABLE;
if (F2FS_OPTION(sbi).discard_unit == DISCARD_UNIT_SEGMENT)
- dcc->discard_granularity = sbi->blocks_per_seg;
+ dcc->discard_granularity = BLKS_PER_SEG(sbi);
else if (F2FS_OPTION(sbi).discard_unit == DISCARD_UNIT_SECTION)
dcc->discard_granularity = BLKS_PER_SEC(sbi);

@@ -2542,7 +2542,7 @@ static unsigned short f2fs_curseg_valid_blocks(struct f2fs_sb_info *sbi, int typ
struct curseg_info *curseg = CURSEG_I(sbi, type);

if (sbi->ckpt->alloc_type[type] == SSR)
- return sbi->blocks_per_seg;
+ return BLKS_PER_SEG(sbi);
return curseg->next_blkoff;
}

@@ -2630,7 +2630,7 @@ static int is_next_segment_free(struct f2fs_sb_info *sbi,
unsigned int segno = curseg->segno + 1;
struct free_segmap_info *free_i = FREE_I(sbi);

- if (segno < MAIN_SEGS(sbi) && segno % sbi->segs_per_sec)
+ if (segno < MAIN_SEGS(sbi) && segno % SEGS_PER_SEC(sbi))
return !test_bit(segno, free_i->free_segmap);
return 0;
}
@@ -2654,7 +2654,7 @@ static void get_new_segment(struct f2fs_sb_info *sbi,

spin_lock(&free_i->segmap_lock);

- if (!new_sec && ((*newseg + 1) % sbi->segs_per_sec)) {
+ if (!new_sec && ((*newseg + 1) % SEGS_PER_SEC(sbi))) {
segno = find_next_zero_bit(free_i->free_segmap,
GET_SEG_FROM_SEC(sbi, hint + 1), *newseg + 1);
if (segno < GET_SEG_FROM_SEC(sbi, hint + 1))
@@ -2757,7 +2757,7 @@ static unsigned int __get_next_segno(struct f2fs_sb_info *sbi, int type)

sanity_check_seg_type(sbi, seg_type);
if (f2fs_need_rand_seg(sbi))
- return get_random_u32_below(MAIN_SECS(sbi) * sbi->segs_per_sec);
+ return get_random_u32_below(MAIN_SECS(sbi) * SEGS_PER_SEC(sbi));

/* if segs_per_sec is large than 1, we need to keep original policy. */
if (__is_large_section(sbi))
@@ -2827,7 +2827,7 @@ static int __next_free_blkoff(struct f2fs_sb_info *sbi,
for (i = 0; i < entries; i++)
target_map[i] = ckpt_map[i] | cur_map[i];

- return __find_rev_next_zero_bit(target_map, sbi->blocks_per_seg, start);
+ return __find_rev_next_zero_bit(target_map, BLKS_PER_SEG(sbi), start);
}

static int f2fs_find_next_ssr_block(struct f2fs_sb_info *sbi,
@@ -2838,7 +2838,7 @@ static int f2fs_find_next_ssr_block(struct f2fs_sb_info *sbi,

bool f2fs_segment_has_free_slot(struct f2fs_sb_info *sbi, int segno)
{
- return __next_free_blkoff(sbi, segno, 0) < sbi->blocks_per_seg;
+ return __next_free_blkoff(sbi, segno, 0) < BLKS_PER_SEG(sbi);
}

/*
@@ -3238,8 +3238,8 @@ int f2fs_trim_fs(struct f2fs_sb_info *sbi, struct fstrim_range *range)
end_segno = (end >= MAX_BLKADDR(sbi)) ? MAIN_SEGS(sbi) - 1 :
GET_SEGNO(sbi, end);
if (need_align) {
- start_segno = rounddown(start_segno, sbi->segs_per_sec);
- end_segno = roundup(end_segno + 1, sbi->segs_per_sec) - 1;
+ start_segno = rounddown(start_segno, SEGS_PER_SEC(sbi));
+ end_segno = roundup(end_segno + 1, SEGS_PER_SEC(sbi)) - 1;
}

cpc.reason = CP_DISCARD;
@@ -3437,7 +3437,7 @@ void f2fs_allocate_data_block(struct f2fs_sb_info *sbi, struct page *page,
}
*new_blkaddr = NEXT_FREE_BLKADDR(sbi, curseg);

- f2fs_bug_on(sbi, curseg->next_blkoff >= sbi->blocks_per_seg);
+ f2fs_bug_on(sbi, curseg->next_blkoff >= BLKS_PER_SEG(sbi));

f2fs_wait_discard_bio(sbi, *new_blkaddr);

@@ -3881,7 +3881,7 @@ static int read_compacted_summaries(struct f2fs_sb_info *sbi)
seg_i->next_blkoff = blk_off;

if (seg_i->alloc_type == SSR)
- blk_off = sbi->blocks_per_seg;
+ blk_off = BLKS_PER_SEG(sbi);

for (j = 0; j < blk_off; j++) {
struct f2fs_summary *s;
@@ -3949,7 +3949,7 @@ static int read_normal_summaries(struct f2fs_sb_info *sbi, int type)
struct f2fs_summary *ns = &sum->entries[0];
int i;

- for (i = 0; i < sbi->blocks_per_seg; i++, ns++) {
+ for (i = 0; i < BLKS_PER_SEG(sbi); i++, ns++) {
ns->version = 0;
ns->ofs_in_node = 0;
}
@@ -4582,21 +4582,20 @@ static int build_sit_entries(struct f2fs_sb_info *sbi)

sit_valid_blocks[SE_PAGETYPE(se)] += se->valid_blocks;

- if (f2fs_block_unit_discard(sbi)) {
- /* build discard map only one time */
- if (is_set_ckpt_flags(sbi, CP_TRIMMED_FLAG)) {
- memset(se->discard_map, 0xff,
+ if (!f2fs_block_unit_discard(sbi))
+ goto init_discard_map_done;
+
+ /* build discard map only one time */
+ if (is_set_ckpt_flags(sbi, CP_TRIMMED_FLAG)) {
+ memset(se->discard_map, 0xff,
SIT_VBLOCK_MAP_SIZE);
- } else {
- memcpy(se->discard_map,
- se->cur_valid_map,
+ goto init_discard_map_done;
+ }
+ memcpy(se->discard_map, se->cur_valid_map,
SIT_VBLOCK_MAP_SIZE);
- sbi->discard_blks +=
- sbi->blocks_per_seg -
+ sbi->discard_blks += BLKS_PER_SEG(sbi) -
se->valid_blocks;
- }
- }
-
+init_discard_map_done:
if (__is_large_section(sbi))
get_sec_entry(sbi, start)->valid_blocks +=
se->valid_blocks;
@@ -4736,7 +4735,7 @@ static void init_dirty_segmap(struct f2fs_sb_info *sbi)
return;

mutex_lock(&dirty_i->seglist_lock);
- for (segno = 0; segno < MAIN_SEGS(sbi); segno += sbi->segs_per_sec) {
+ for (segno = 0; segno < MAIN_SEGS(sbi); segno += SEGS_PER_SEC(sbi)) {
valid_blocks = get_valid_blocks(sbi, segno, true);
secno = GET_SEC_FROM_SEG(sbi, segno);

@@ -4835,7 +4834,7 @@ static int sanity_check_curseg(struct f2fs_sb_info *sbi)
if (curseg->alloc_type == SSR)
continue;

- for (blkofs += 1; blkofs < sbi->blocks_per_seg; blkofs++) {
+ for (blkofs += 1; blkofs < BLKS_PER_SEG(sbi); blkofs++) {
if (!f2fs_test_bit(blkofs, se->cur_valid_map))
continue;
out:
@@ -5114,7 +5113,7 @@ static inline unsigned int f2fs_usable_zone_blks_in_seg(
unsigned int secno;

if (!sbi->unusable_blocks_per_sec)
- return sbi->blocks_per_seg;
+ return BLKS_PER_SEG(sbi);

secno = GET_SEC_FROM_SEG(sbi, segno);
seg_start = START_BLOCK(sbi, segno);
@@ -5129,10 +5128,10 @@ static inline unsigned int f2fs_usable_zone_blks_in_seg(
*/
if (seg_start >= sec_cap_blkaddr)
return 0;
- if (seg_start + sbi->blocks_per_seg > sec_cap_blkaddr)
+ if (seg_start + BLKS_PER_SEG(sbi) > sec_cap_blkaddr)
return sec_cap_blkaddr - seg_start;

- return sbi->blocks_per_seg;
+ return BLKS_PER_SEG(sbi);
}
#else
int f2fs_fix_curseg_write_pointer(struct f2fs_sb_info *sbi)
@@ -5158,7 +5157,7 @@ unsigned int f2fs_usable_blks_in_seg(struct f2fs_sb_info *sbi,
if (f2fs_sb_has_blkzoned(sbi))
return f2fs_usable_zone_blks_in_seg(sbi, segno);

- return sbi->blocks_per_seg;
+ return BLKS_PER_SEG(sbi);
}

unsigned int f2fs_usable_segs_in_sec(struct f2fs_sb_info *sbi,
@@ -5167,7 +5166,7 @@ unsigned int f2fs_usable_segs_in_sec(struct f2fs_sb_info *sbi,
if (f2fs_sb_has_blkzoned(sbi))
return CAP_SEGS_PER_SEC(sbi);

- return sbi->segs_per_sec;
+ return SEGS_PER_SEC(sbi);
}

/*
@@ -5182,14 +5181,14 @@ static void init_min_max_mtime(struct f2fs_sb_info *sbi)

sit_i->min_mtime = ULLONG_MAX;

- for (segno = 0; segno < MAIN_SEGS(sbi); segno += sbi->segs_per_sec) {
+ for (segno = 0; segno < MAIN_SEGS(sbi); segno += SEGS_PER_SEC(sbi)) {
unsigned int i;
unsigned long long mtime = 0;

- for (i = 0; i < sbi->segs_per_sec; i++)
+ for (i = 0; i < SEGS_PER_SEC(sbi); i++)
mtime += get_seg_entry(sbi, segno + i)->mtime;

- mtime = div_u64(mtime, sbi->segs_per_sec);
+ mtime = div_u64(mtime, SEGS_PER_SEC(sbi));

if (sit_i->min_mtime > mtime)
sit_i->min_mtime = mtime;
@@ -5228,7 +5227,7 @@ int f2fs_build_segment_manager(struct f2fs_sb_info *sbi)
sm_info->ipu_policy = BIT(F2FS_IPU_FSYNC);
sm_info->min_ipu_util = DEF_MIN_IPU_UTIL;
sm_info->min_fsync_blocks = DEF_MIN_FSYNC_BLOCKS;
- sm_info->min_seq_blocks = sbi->blocks_per_seg;
+ sm_info->min_seq_blocks = BLKS_PER_SEG(sbi);
sm_info->min_hot_blocks = DEF_MIN_HOT_BLOCKS;
sm_info->min_ssr_sections = reserved_sections(sbi);

diff --git a/fs/f2fs/segment.h b/fs/f2fs/segment.h
index 8129be788bd5..96cec83012f1 100644
--- a/fs/f2fs/segment.h
+++ b/fs/f2fs/segment.h
@@ -99,8 +99,6 @@ static inline void sanity_check_seg_type(struct f2fs_sb_info *sbi,
((!__is_valid_data_blkaddr(blk_addr)) ? \
NULL_SEGNO : GET_L2R_SEGNO(FREE_I(sbi), \
GET_SEGNO_FROM_SEG0(sbi, blk_addr)))
-#define BLKS_PER_SEC(sbi) \
- ((sbi)->segs_per_sec * (sbi)->blocks_per_seg)
#define CAP_BLKS_PER_SEC(sbi) \
((sbi)->segs_per_sec * (sbi)->blocks_per_seg - \
(sbi)->unusable_blocks_per_sec)
@@ -364,7 +362,7 @@ static inline unsigned int get_ckpt_valid_blocks(struct f2fs_sb_info *sbi,
unsigned int blocks = 0;
int i;

- for (i = 0; i < sbi->segs_per_sec; i++, start_segno++) {
+ for (i = 0; i < SEGS_PER_SEC(sbi); i++, start_segno++) {
struct seg_entry *se = get_seg_entry(sbi, start_segno);

blocks += se->ckpt_valid_blocks;
@@ -449,7 +447,7 @@ static inline void __set_free(struct f2fs_sb_info *sbi, unsigned int segno)
free_i->free_segments++;

next = find_next_bit(free_i->free_segmap,
- start_segno + sbi->segs_per_sec, start_segno);
+ start_segno + SEGS_PER_SEC(sbi), start_segno);
if (next >= start_segno + usable_segs) {
clear_bit(secno, free_i->free_secmap);
free_i->free_sections++;
@@ -485,7 +483,7 @@ static inline void __set_test_and_free(struct f2fs_sb_info *sbi,
if (!inmem && IS_CURSEC(sbi, secno))
goto skip_free;
next = find_next_bit(free_i->free_segmap,
- start_segno + sbi->segs_per_sec, start_segno);
+ start_segno + SEGS_PER_SEC(sbi), start_segno);
if (next >= start_segno + usable_segs) {
if (test_and_clear_bit(secno, free_i->free_secmap))
free_i->free_sections++;
@@ -793,10 +791,10 @@ static inline int check_block_count(struct f2fs_sb_info *sbi,
return -EFSCORRUPTED;
}

- if (usable_blks_per_seg < sbi->blocks_per_seg)
+ if (usable_blks_per_seg < BLKS_PER_SEG(sbi))
f2fs_bug_on(sbi, find_next_bit_le(&raw_sit->valid_map,
- sbi->blocks_per_seg,
- usable_blks_per_seg) != sbi->blocks_per_seg);
+ BLKS_PER_SEG(sbi),
+ usable_blks_per_seg) != BLKS_PER_SEG(sbi));

/* check segment usage, and check boundary of a given segment number */
if (unlikely(GET_SIT_VBLOCKS(raw_sit) > usable_blks_per_seg
@@ -915,9 +913,9 @@ static inline int nr_pages_to_skip(struct f2fs_sb_info *sbi, int type)
return 0;

if (type == DATA)
- return sbi->blocks_per_seg;
+ return BLKS_PER_SEG(sbi);
else if (type == NODE)
- return 8 * sbi->blocks_per_seg;
+ return 8 * BLKS_PER_SEG(sbi);
else if (type == META)
return 8 * BIO_MAX_VECS;
else
diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c
index f1516fd5088a..c0688c124aa7 100644
--- a/fs/f2fs/super.c
+++ b/fs/f2fs/super.c
@@ -3643,7 +3643,7 @@ int f2fs_sanity_check_ckpt(struct f2fs_sb_info *sbi)
}

main_segs = le32_to_cpu(raw_super->segment_count_main);
- blocks_per_seg = sbi->blocks_per_seg;
+ blocks_per_seg = BLKS_PER_SEG(sbi);

for (i = 0; i < NR_CURSEG_NODE_TYPE; i++) {
if (le32_to_cpu(ckpt->cur_node_segno[i]) >= main_segs ||
@@ -3756,8 +3756,8 @@ static void init_sb_info(struct f2fs_sb_info *sbi)
sbi->secs_per_zone = le32_to_cpu(raw_super->secs_per_zone);
sbi->total_sections = le32_to_cpu(raw_super->section_count);
sbi->total_node_count =
- (le32_to_cpu(raw_super->segment_count_nat) / 2)
- * sbi->blocks_per_seg * NAT_ENTRY_PER_BLOCK;
+ ((le32_to_cpu(raw_super->segment_count_nat) / 2) *
+ NAT_ENTRY_PER_BLOCK) << sbi->log_blocks_per_seg;
F2FS_ROOT_INO(sbi) = le32_to_cpu(raw_super->root_ino);
F2FS_NODE_INO(sbi) = le32_to_cpu(raw_super->node_ino);
F2FS_META_INO(sbi) = le32_to_cpu(raw_super->meta_ino);
@@ -3766,7 +3766,7 @@ static void init_sb_info(struct f2fs_sb_info *sbi)
sbi->next_victim_seg[BG_GC] = NULL_SEGNO;
sbi->next_victim_seg[FG_GC] = NULL_SEGNO;
sbi->max_victim_search = DEF_MAX_VICTIM_SEARCH;
- sbi->migration_granularity = sbi->segs_per_sec;
+ sbi->migration_granularity = SEGS_PER_SEC(sbi);
sbi->seq_file_ra_mul = MIN_RA_MUL;
sbi->max_fragment_chunk = DEF_FRAGMENT_SIZE;
sbi->max_fragment_hole = DEF_FRAGMENT_SIZE;
diff --git a/fs/f2fs/sysfs.c b/fs/f2fs/sysfs.c
index a7ec55c7bb20..906d2af2d849 100644
--- a/fs/f2fs/sysfs.c
+++ b/fs/f2fs/sysfs.c
@@ -493,8 +493,8 @@ static ssize_t __sbi_store(struct f2fs_attr *a,
spin_lock(&sbi->stat_lock);
if (t > (unsigned long)(sbi->user_block_count -
F2FS_OPTION(sbi).root_reserved_blocks -
- sbi->blocks_per_seg *
- SM_I(sbi)->additional_reserved_segments)) {
+ (SM_I(sbi)->additional_reserved_segments <<
+ sbi->log_blocks_per_seg))) {
spin_unlock(&sbi->stat_lock);
return -EINVAL;
}
@@ -551,7 +551,7 @@ static ssize_t __sbi_store(struct f2fs_attr *a,
}

if (!strcmp(a->attr.name, "migration_granularity")) {
- if (t == 0 || t > sbi->segs_per_sec)
+ if (t == 0 || t > SEGS_PER_SEC(sbi))
return -EINVAL;
}

--
2.43.0.687.g38aa6559b0-goog