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Date: Wed, 7 Feb 2024 15:51:35 -0800
From: Daeho Jeong <daeho43@...il.com>
To: Jaegeuk Kim <jaegeuk@...nel.org>
Cc: linux-kernel@...r.kernel.org, linux-f2fs-devel@...ts.sourceforge.net
Subject: Re: [f2fs-dev] [PATCH 2/3] f2fs: use BLKS_PER_SEG, BLKS_PER_SEC, and SEGS_PER_SEC
Reviewed-by: Daeho Jeong <daehojeong@...gle.com>
On Tue, Feb 6, 2024 at 4:55 PM Jaegeuk Kim <jaegeuk@...nel.org> wrote:
>
> No functional change.
>
> Signed-off-by: Jaegeuk Kim <jaegeuk@...nel.org>
> ---
> 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..9a9e858083af 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 (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;
> }
>
> --
> 2.43.0.594.gd9cf4e227d-goog
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