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Merge tag 'mm-hotfixes-stable-2025-07-11-16-16' of git://git.kernel.org/pub/scm/linux...
[linux-block.git] / fs / f2fs / debug.c
CommitLineData
7c1a000d 1// SPDX-License-Identifier: GPL-2.0
0a8165d7 2/*
902829aa
GKH		 3 * f2fs debugging statistics
4 *
5 * Copyright (c) 2012 Samsung Electronics Co., Ltd.
6 * http://www.samsung.com/
7 * Copyright (c) 2012 Linux Foundation
8 * Copyright (c) 2012 Greg Kroah-Hartman <gregkh@linuxfoundation.org>
902829aa
GKH		 9 */
10
11#include <linux/fs.h>
12#include <linux/backing-dev.h>
902829aa
GKH		 13#include <linux/f2fs_fs.h>
14#include <linux/blkdev.h>
15#include <linux/debugfs.h>
16#include <linux/seq_file.h>
17
18#include "f2fs.h"
19#include "node.h"
20#include "segment.h"
21#include "gc.h"
22
23static LIST_HEAD(f2fs_stat_list);
98237fcd 24static DEFINE_RAW_SPINLOCK(f2fs_stat_lock);
fc7100ea
HV		 25#ifdef CONFIG_DEBUG_FS
26static struct dentry *f2fs_debugfs_root;
27#endif
28
29/*
30 * This function calculates BDF of every segments
31 */
32void f2fs_update_sit_info(struct f2fs_sb_info *sbi)
33{
34 struct f2fs_stat_info *si = F2FS_STAT(sbi);
35 unsigned long long blks_per_sec, hblks_per_sec, total_vblocks;
36 unsigned long long bimodal, dist;
37 unsigned int segno, vblocks;
38 int ndirty = 0;
39
40 bimodal = 0;
41 total_vblocks = 0;
074b5ea2 42 blks_per_sec = CAP_BLKS_PER_SEC(sbi);
fc7100ea 43 hblks_per_sec = blks_per_sec / 2;
a60108f7 44 for (segno = 0; segno < MAIN_SEGS(sbi); segno += SEGS_PER_SEC(sbi)) {
fc7100ea
HV		 45 vblocks = get_valid_blocks(sbi, segno, true);
46 dist = abs(vblocks - hblks_per_sec);
47 bimodal += dist * dist;
48
49 if (vblocks > 0 && vblocks < blks_per_sec) {
50 total_vblocks += vblocks;
51 ndirty++;
52 }
53 }
54 dist = div_u64(MAIN_SECS(sbi) * hblks_per_sec * hblks_per_sec, 100);
55 si->bimodal = div64_u64(bimodal, dist);
56 if (si->dirty_count)
57 si->avg_vblocks = div_u64(total_vblocks, ndirty);
58 else
59 si->avg_vblocks = 0;
60}
902829aa 61
fc7100ea 62#ifdef CONFIG_DEBUG_FS
2d56b4e3
CY		 63static void update_multidevice_stats(struct f2fs_sb_info *sbi)
64{
65 struct f2fs_stat_info *si = F2FS_STAT(sbi);
66 struct f2fs_dev_stats *dev_stats = si->dev_stats;
67 int i, j;
68
69 if (!f2fs_is_multi_device(sbi))
70 return;
71
72 memset(dev_stats, 0, sizeof(struct f2fs_dev_stats) * sbi->s_ndevs);
73 for (i = 0; i < sbi->s_ndevs; i++) {
74 unsigned int start_segno, end_segno;
75 block_t start_blk, end_blk;
76
77 if (i == 0) {
78 start_blk = MAIN_BLKADDR(sbi);
79 end_blk = FDEV(i).end_blk + 1 - SEG0_BLKADDR(sbi);
80 } else {
81 start_blk = FDEV(i).start_blk;
82 end_blk = FDEV(i).end_blk + 1;
83 }
84
85 start_segno = GET_SEGNO(sbi, start_blk);
86 end_segno = GET_SEGNO(sbi, end_blk);
87
88 for (j = start_segno; j < end_segno; j++) {
89 unsigned int seg_blks, sec_blks;
90
91 seg_blks = get_seg_entry(sbi, j)->valid_blocks;
92
93 /* update segment stats */
94 if (IS_CURSEG(sbi, j))
95 dev_stats[i].devstats[0][DEVSTAT_INUSE]++;
96 else if (seg_blks == BLKS_PER_SEG(sbi))
97 dev_stats[i].devstats[0][DEVSTAT_FULL]++;
98 else if (seg_blks != 0)
99 dev_stats[i].devstats[0][DEVSTAT_DIRTY]++;
100 else if (!test_bit(j, FREE_I(sbi)->free_segmap))
101 dev_stats[i].devstats[0][DEVSTAT_FREE]++;
102 else
103 dev_stats[i].devstats[0][DEVSTAT_PREFREE]++;
104
105 if (!__is_large_section(sbi) ||
106 (j % SEGS_PER_SEC(sbi)) != 0)
107 continue;
108
109 sec_blks = get_sec_entry(sbi, j)->valid_blocks;
110
111 /* update section stats */
112 if (IS_CURSEC(sbi, GET_SEC_FROM_SEG(sbi, j)))
113 dev_stats[i].devstats[1][DEVSTAT_INUSE]++;
114 else if (sec_blks == BLKS_PER_SEC(sbi))
115 dev_stats[i].devstats[1][DEVSTAT_FULL]++;
116 else if (sec_blks != 0)
117 dev_stats[i].devstats[1][DEVSTAT_DIRTY]++;
118 else if (!test_bit(GET_SEC_FROM_SEG(sbi, j),
119 FREE_I(sbi)->free_secmap))
120 dev_stats[i].devstats[1][DEVSTAT_FREE]++;
121 else
122 dev_stats[i].devstats[1][DEVSTAT_PREFREE]++;
123 }
124 }
125}
126
25ca923b 127static void update_general_status(struct f2fs_sb_info *sbi)
902829aa 128{
963d4f7d 129 struct f2fs_stat_info *si = F2FS_STAT(sbi);
04f0b2ea 130 struct f2fs_super_block *raw_super = F2FS_RAW_SUPER(sbi);
902829aa
GKH		 131 int i;
132
04f0b2ea
QS		 133 /* these will be changed if online resize is done */
134 si->main_area_segs = le32_to_cpu(raw_super->segment_count_main);
135 si->main_area_sections = le32_to_cpu(raw_super->section_count);
136 si->main_area_zones = si->main_area_sections /
137 le32_to_cpu(raw_super->secs_per_zone);
138
e7547dac
JK		 139 /* general extent cache stats */
140 for (i = 0; i < NR_EXTENT_CACHES; i++) {
141 struct extent_tree_info *eti = &sbi->extent_tree[i];
142
143 si->hit_cached[i] = atomic64_read(&sbi->read_hit_cached[i]);
144 si->hit_rbtree[i] = atomic64_read(&sbi->read_hit_rbtree[i]);
145 si->total_ext[i] = atomic64_read(&sbi->total_hit_ext[i]);
146 si->hit_total[i] = si->hit_cached[i] + si->hit_rbtree[i];
147 si->ext_tree[i] = atomic_read(&eti->total_ext_tree);
148 si->zombie_tree[i] = atomic_read(&eti->total_zombie_tree);
149 si->ext_node[i] = atomic_read(&eti->total_ext_node);
150 }
151 /* read extent_cache only */
5b7ee374 152 si->hit_largest = atomic64_read(&sbi->read_hit_largest);
e7547dac
JK		 153 si->hit_total[EX_READ] += si->hit_largest;
154
71644dff
JK		 155 /* block age extent_cache only */
156 si->allocated_data_blocks = atomic64_read(&sbi->allocated_data_blocks);
157
e7547dac 158 /* validation check of the segment numbers */
902829aa
GKH		 159 si->ndirty_node = get_pages(sbi, F2FS_DIRTY_NODES);
160 si->ndirty_dent = get_pages(sbi, F2FS_DIRTY_DENTS);
902829aa 161 si->ndirty_meta = get_pages(sbi, F2FS_DIRTY_META);
33fbd510 162 si->ndirty_data = get_pages(sbi, F2FS_DIRTY_DATA);
2c8a4a28 163 si->ndirty_qdata = get_pages(sbi, F2FS_DIRTY_QDATA);
5bc994a0 164 si->ndirty_imeta = get_pages(sbi, F2FS_DIRTY_IMETA);
33fbd510
CY		 165 si->ndirty_dirs = sbi->ndirty_inode[DIR_INODE];
166 si->ndirty_files = sbi->ndirty_inode[FILE_INODE];
ef0c333c 167 si->ndonate_files = sbi->donate_files;
292c196a 168 si->nquota_files = sbi->nquota_files;
0f18b462 169 si->ndirty_all = sbi->ndirty_inode[DIRTY_META];
b4dac120 170 si->aw_cnt = atomic_read(&sbi->atomic_files);
26a28a0c 171 si->max_aw_cnt = atomic_read(&sbi->max_aw_cnt);
02b16d0a
CY		 172 si->nr_dio_read = get_pages(sbi, F2FS_DIO_READ);
173 si->nr_dio_write = get_pages(sbi, F2FS_DIO_WRITE);
36951b38
CY		 174 si->nr_wb_cp_data = get_pages(sbi, F2FS_WB_CP_DATA);
175 si->nr_wb_data = get_pages(sbi, F2FS_WB_DATA);
5f9abab4
JK		 176 si->nr_rd_data = get_pages(sbi, F2FS_RD_DATA);
177 si->nr_rd_node = get_pages(sbi, F2FS_RD_NODE);
178 si->nr_rd_meta = get_pages(sbi, F2FS_RD_META);
280fd422 179 if (SM_I(sbi)->fcc_info) {
8b8dd65f
CY		 180 si->nr_flushed =
181 atomic_read(&SM_I(sbi)->fcc_info->issued_flush);
182 si->nr_flushing =
72691af6 183 atomic_read(&SM_I(sbi)->fcc_info->queued_flush);
14d8d5f7
CY		 184 si->flush_list_empty =
185 llist_empty(&SM_I(sbi)->fcc_info->issue_list);
8b8dd65f 186 }
280fd422 187 if (SM_I(sbi)->dcc_info) {
8b8dd65f
CY		 188 si->nr_discarded =
189 atomic_read(&SM_I(sbi)->dcc_info->issued_discard);
190 si->nr_discarding =
72691af6 191 atomic_read(&SM_I(sbi)->dcc_info->queued_discard);
5f32366a
CY		 192 si->nr_discard_cmd =
193 atomic_read(&SM_I(sbi)->dcc_info->discard_cmd_cnt);
d84d1cbd 194 si->undiscard_blks = SM_I(sbi)->dcc_info->undiscard_blks;
8b8dd65f 195 }
261eeb9c
DJ		 196 si->nr_issued_ckpt = atomic_read(&sbi->cprc_info.issued_ckpt);
197 si->nr_total_ckpt = atomic_read(&sbi->cprc_info.total_ckpt);
198 si->nr_queued_ckpt = atomic_read(&sbi->cprc_info.queued_ckpt);
199 spin_lock(&sbi->cprc_info.stat_lock);
200 si->cur_ckpt_time = sbi->cprc_info.cur_time;
201 si->peak_ckpt_time = sbi->cprc_info.peak_time;
202 spin_unlock(&sbi->cprc_info.stat_lock);
45809cd3 203 si->total_count = BLKS_TO_SEGS(sbi, (int)sbi->user_block_count);
902829aa
GKH		 204 si->rsvd_segs = reserved_segments(sbi);
205 si->overp_segs = overprovision_segments(sbi);
206 si->valid_count = valid_user_blocks(sbi);
f83a2584 207 si->discard_blks = discard_blocks(sbi);
902829aa
GKH		 208 si->valid_node_count = valid_node_count(sbi);
209 si->valid_inode_count = valid_inode_count(sbi);
d5e8f6c9 210 si->inline_xattr = atomic_read(&sbi->inline_xattr);
03e14d52
CY		 211 si->inline_inode = atomic_read(&sbi->inline_inode);
212 si->inline_dir = atomic_read(&sbi->inline_dir);
4c8ff709 213 si->compr_inode = atomic_read(&sbi->compr_inode);
8ec071c3 214 si->swapfile_inode = atomic_read(&sbi->swapfile_inode);
ae999bb9 215 si->compr_blocks = atomic64_read(&sbi->compr_blocks);
a00861db
JK		 216 si->append = sbi->im[APPEND_INO].ino_num;
217 si->update = sbi->im[UPDATE_INO].ino_num;
652be551 218 si->orphans = sbi->im[ORPHAN_INO].ino_num;
902829aa
GKH		 219 si->utilization = utilization(sbi);
220
221 si->free_segs = free_segments(sbi);
222 si->free_secs = free_sections(sbi);
223 si->prefree_count = prefree_segments(sbi);
224 si->dirty_count = dirty_segments(sbi);
7c77bf7d
JK		 225 if (sbi->node_inode)
226 si->node_pages = NODE_MAPPING(sbi)->nrpages;
227 if (sbi->meta_inode)
228 si->meta_pages = META_MAPPING(sbi)->nrpages;
6ce19aff
CY		 229#ifdef CONFIG_F2FS_FS_COMPRESSION
230 if (sbi->compress_inode) {
231 si->compress_pages = COMPRESS_MAPPING(sbi)->nrpages;
232 si->compress_page_hit = atomic_read(&sbi->compress_page_hit);
233 }
234#endif
a95ba66a
JK		 235 si->nats = NM_I(sbi)->nat_cnt[TOTAL_NAT];
236 si->dirty_nats = NM_I(sbi)->nat_cnt[DIRTY_NAT];
dd4e4b59
JK		 237 si->sits = MAIN_SEGS(sbi);
238 si->dirty_sits = SIT_I(sbi)->dirty_sentries;
9a4ffdf5 239 si->free_nids = NM_I(sbi)->nid_cnt[FREE_NID];
5b0ef73c 240 si->avail_nids = NM_I(sbi)->available_nids;
9a4ffdf5 241 si->alloc_nids = NM_I(sbi)->nid_cnt[PREALLOC_NID];
274bd9ba
CY		 242 si->io_skip_bggc = sbi->io_skip_bggc;
243 si->other_skip_bggc = sbi->other_skip_bggc;
45809cd3 244 si->util_free = (int)(BLKS_TO_SEGS(sbi, free_user_blocks(sbi)))
902829aa
GKH		 245 * 100 / (int)(sbi->user_block_count >> sbi->log_blocks_per_seg)
246 / 2;
45809cd3 247 si->util_valid = (int)(BLKS_TO_SEGS(sbi, written_block_count(sbi)))
902829aa
GKH		 248 * 100 / (int)(sbi->user_block_count >> sbi->log_blocks_per_seg)
249 / 2;
250 si->util_invalid = 50 - si->util_free - si->util_valid;
d0b9e42a 251 for (i = CURSEG_HOT_DATA; i < NO_CHECK_TYPE; i++) {
902829aa 252 struct curseg_info *curseg = CURSEG_I(sbi, i);
5f029c04 253
902829aa 254 si->curseg[i] = curseg->segno;
4ddb1a4d
JK		 255 si->cursec[i] = GET_SEC_FROM_SEG(sbi, curseg->segno);
256 si->curzone[i] = GET_ZONE_FROM_SEC(sbi, si->cursec[i]);
902829aa
GKH		 257 }
258
b63e7be5
CY		 259 for (i = META_CP; i < META_MAX; i++)
260 si->meta_count[i] = atomic_read(&sbi->meta_count[i]);
261
0759e2c1
CY		 262 for (i = 0; i < NO_CHECK_TYPE; i++) {
263 si->dirty_seg[i] = 0;
264 si->full_seg[i] = 0;
265 si->valid_blks[i] = 0;
266 }
267
268 for (i = 0; i < MAIN_SEGS(sbi); i++) {
269 int blks = get_seg_entry(sbi, i)->valid_blocks;
270 int type = get_seg_entry(sbi, i)->type;
271
272 if (!blks)
273 continue;
274
a60108f7 275 if (blks == BLKS_PER_SEG(sbi))
0759e2c1
CY		 276 si->full_seg[type]++;
277 else
278 si->dirty_seg[type]++;
279 si->valid_blks[type] += blks;
280 }
281
2d56b4e3
CY		 282 update_multidevice_stats(sbi);
283
eb61c2cc
CY		 284 for (i = 0; i < MAX_CALL_TYPE; i++)
285 si->cp_call_count[i] = atomic_read(&sbi->cp_call_count[i]);
286
902829aa
GKH		 287 for (i = 0; i < 2; i++) {
288 si->segment_count[i] = sbi->segment_count[i];
289 si->block_count[i] = sbi->block_count[i];
290 }
b9a2c252
CL		 291
292 si->inplace_count = atomic_read(&sbi->inplace_count);
902829aa
GKH		 293}
294
0a8165d7 295/*
902829aa
GKH		 296 * This function calculates memory footprint.
297 */
298static void update_mem_info(struct f2fs_sb_info *sbi)
299{
963d4f7d 300 struct f2fs_stat_info *si = F2FS_STAT(sbi);
8c402946 301 int i;
902829aa
GKH		 302
303 if (si->base_mem)
304 goto get_cache;
305
70874fb3
KM		 306 /* build stat */
307 si->base_mem = sizeof(struct f2fs_stat_info);
308
309 /* build superblock */
310 si->base_mem += sizeof(struct f2fs_sb_info) + sbi->sb->s_blocksize;
902829aa
GKH		 311 si->base_mem += 2 * sizeof(struct f2fs_inode_info);
312 si->base_mem += sizeof(*sbi->ckpt);
313
314 /* build sm */
315 si->base_mem += sizeof(struct f2fs_sm_info);
316
317 /* build sit */
318 si->base_mem += sizeof(struct sit_info);
7cd8558b
JK		 319 si->base_mem += MAIN_SEGS(sbi) * sizeof(struct seg_entry);
320 si->base_mem += f2fs_bitmap_size(MAIN_SEGS(sbi));
3e025740 321 si->base_mem += 2 * SIT_VBLOCK_MAP_SIZE * MAIN_SEGS(sbi);
7d20c8ab 322 si->base_mem += SIT_VBLOCK_MAP_SIZE * MAIN_SEGS(sbi);
60a3b782 323 si->base_mem += SIT_VBLOCK_MAP_SIZE;
2c70c5e3 324 if (__is_large_section(sbi))
7cd8558b 325 si->base_mem += MAIN_SECS(sbi) * sizeof(struct sec_entry);
902829aa
GKH		 326 si->base_mem += __bitmap_size(sbi, SIT_BITMAP);
327
328 /* build free segmap */
329 si->base_mem += sizeof(struct free_segmap_info);
7cd8558b
JK		 330 si->base_mem += f2fs_bitmap_size(MAIN_SEGS(sbi));
331 si->base_mem += f2fs_bitmap_size(MAIN_SECS(sbi));
902829aa
GKH		 332
333 /* build curseg */
334 si->base_mem += sizeof(struct curseg_info) * NR_CURSEG_TYPE;
09cbfeaf 335 si->base_mem += PAGE_SIZE * NR_CURSEG_TYPE;
902829aa
GKH		 336
337 /* build dirty segmap */
338 si->base_mem += sizeof(struct dirty_seglist_info);
7cd8558b
JK		 339 si->base_mem += NR_DIRTY_TYPE * f2fs_bitmap_size(MAIN_SEGS(sbi));
340 si->base_mem += f2fs_bitmap_size(MAIN_SECS(sbi));
902829aa 341
e1c42045 342 /* build nm */
902829aa
GKH		 343 si->base_mem += sizeof(struct f2fs_nm_info);
344 si->base_mem += __bitmap_size(sbi, NAT_BITMAP);
8fb9f319 345 si->base_mem += F2FS_BLK_TO_BYTES(NM_I(sbi)->nat_bits_blocks);
e15d54d5
YH		 346 si->base_mem += NM_I(sbi)->nat_blocks *
347 f2fs_bitmap_size(NAT_ENTRY_PER_BLOCK);
4ac91242 348 si->base_mem += NM_I(sbi)->nat_blocks / 8;
586d1492 349 si->base_mem += NM_I(sbi)->nat_blocks * sizeof(unsigned short);
902829aa 350
9066c6a7
CY		 351get_cache:
352 si->cache_mem = 0;
353
902829aa 354 /* build gc */
9066c6a7
CY		 355 if (sbi->gc_thread)
356 si->cache_mem += sizeof(struct f2fs_gc_kthread);
357
358 /* build merge flush thread */
b01a9201 359 if (SM_I(sbi)->fcc_info)
9066c6a7 360 si->cache_mem += sizeof(struct flush_cmd_control);
5f32366a 361 if (SM_I(sbi)->dcc_info) {
0b54fb84 362 si->cache_mem += sizeof(struct discard_cmd_control);
5f32366a
CY		 363 si->cache_mem += sizeof(struct discard_cmd) *
364 atomic_read(&SM_I(sbi)->dcc_info->discard_cmd_cnt);
365 }
902829aa 366
902829aa 367 /* free nids */
9a4ffdf5
CY		 368 si->cache_mem += (NM_I(sbi)->nid_cnt[FREE_NID] +
369 NM_I(sbi)->nid_cnt[PREALLOC_NID]) *
b8559dc2 370 sizeof(struct free_nid);
a95ba66a
JK		 371 si->cache_mem += NM_I(sbi)->nat_cnt[TOTAL_NAT] *
372 sizeof(struct nat_entry);
373 si->cache_mem += NM_I(sbi)->nat_cnt[DIRTY_NAT] *
374 sizeof(struct nat_entry_set);
b77061bf 375 for (i = 0; i < MAX_INO_ENTRY; i++)
67298804 376 si->cache_mem += sbi->im[i].ino_num * sizeof(struct ino_entry);
e7547dac
JK		 377
378 for (i = 0; i < NR_EXTENT_CACHES; i++) {
379 struct extent_tree_info *eti = &sbi->extent_tree[i];
380
381 si->ext_mem[i] = atomic_read(&eti->total_ext_tree) *
7441ccef 382 sizeof(struct extent_tree);
e7547dac 383 si->ext_mem[i] += atomic_read(&eti->total_ext_node) *
4bf6fd9f 384 sizeof(struct extent_node);
e7547dac
JK		 385 si->cache_mem += si->ext_mem[i];
386 }
6f0aacbc
JK		 387
388 si->page_mem = 0;
7c77bf7d 389 if (sbi->node_inode) {
7411143f 390 unsigned long npages = NODE_MAPPING(sbi)->nrpages;
5f029c04 391
7c77bf7d
JK		 392 si->page_mem += (unsigned long long)npages << PAGE_SHIFT;
393 }
394 if (sbi->meta_inode) {
7411143f 395 unsigned long npages = META_MAPPING(sbi)->nrpages;
5f029c04 396
7c77bf7d
JK		 397 si->page_mem += (unsigned long long)npages << PAGE_SHIFT;
398 }
6ce19aff
CY		 399#ifdef CONFIG_F2FS_FS_COMPRESSION
400 if (sbi->compress_inode) {
7411143f
YL		 401 unsigned long npages = COMPRESS_MAPPING(sbi)->nrpages;
402
6ce19aff
CY		 403 si->page_mem += (unsigned long long)npages << PAGE_SHIFT;
404 }
405#endif
902829aa
GKH		 406}
407
5bb9c111
YL		 408static const char *s_flag[MAX_SBI_FLAG] = {
409 [SBI_IS_DIRTY] = "fs_dirty",
410 [SBI_IS_CLOSE] = "closing",
411 [SBI_NEED_FSCK] = "need_fsck",
412 [SBI_POR_DOING] = "recovering",
413 [SBI_NEED_SB_WRITE] = "sb_dirty",
414 [SBI_NEED_CP] = "need_cp",
415 [SBI_IS_SHUTDOWN] = "shutdown",
416 [SBI_IS_RECOVERED] = "recovered",
417 [SBI_CP_DISABLED] = "cp_disabled",
418 [SBI_CP_DISABLED_QUICK] = "cp_disabled_quick",
419 [SBI_QUOTA_NEED_FLUSH] = "quota_need_flush",
420 [SBI_QUOTA_SKIP_FLUSH] = "quota_skip_flush",
421 [SBI_QUOTA_NEED_REPAIR] = "quota_need_repair",
422 [SBI_IS_RESIZEFS] = "resizefs",
423 [SBI_IS_FREEZING] = "freezefs",
e1bb7d3d 424 [SBI_IS_WRITABLE] = "writable",
b6d9246d
YL		 425};
426
f2e35789
YL		 427static const char *ipu_mode_names[F2FS_IPU_MAX] = {
428 [F2FS_IPU_FORCE] = "FORCE",
429 [F2FS_IPU_SSR] = "SSR",
430 [F2FS_IPU_UTIL] = "UTIL",
431 [F2FS_IPU_SSR_UTIL] = "SSR_UTIL",
432 [F2FS_IPU_FSYNC] = "FSYNC",
433 [F2FS_IPU_ASYNC] = "ASYNC",
434 [F2FS_IPU_NOCACHE] = "NOCACHE",
435 [F2FS_IPU_HONOR_OPU_WRITE] = "HONOR_OPU_WRITE",
436};
437
902829aa
GKH		 438static int stat_show(struct seq_file *s, void *v)
439{
145b04e5 440 struct f2fs_stat_info *si;
b6d9246d 441 int i = 0, j = 0;
98237fcd 442 unsigned long flags;
902829aa 443
98237fcd 444 raw_spin_lock_irqsave(&f2fs_stat_lock, flags);
145b04e5 445 list_for_each_entry(si, &f2fs_stat_list, stat_list) {
dda7d77b
YL		 446 struct f2fs_sb_info *sbi = si->sbi;
447
448 update_general_status(sbi);
902829aa 449
b6d9246d 450 seq_printf(s, "\n=====[ partition info(%pg). #%d, %s, CP: %s]=====\n",
dda7d77b
YL		 451 sbi->sb->s_bdev, i++,
452 f2fs_readonly(sbi->sb) ? "RO" : "RW",
453 is_set_ckpt_flags(sbi, CP_DISABLED_FLAG) ?
454 "Disabled" : (f2fs_cp_error(sbi) ? "Error" : "Good"));
455 if (sbi->s_flag) {
b6d9246d 456 seq_puts(s, "[SBI:");
5bb9c111
YL		 457 for_each_set_bit(j, &sbi->s_flag, MAX_SBI_FLAG)
458 seq_printf(s, " %s", s_flag[j]);
b6d9246d
YL		 459 seq_puts(s, "]\n");
460 }
7880ceed
HL		 461 seq_printf(s, "[SB: 1] [CP: 2] [SIT: %d] [NAT: %d] ",
462 si->sit_area_segs, si->nat_area_segs);
902829aa
GKH		 463 seq_printf(s, "[SSA: %d] [MAIN: %d",
464 si->ssa_area_segs, si->main_area_segs);
465 seq_printf(s, "(OverProv:%d Resv:%d)]\n\n",
466 si->overp_segs, si->rsvd_segs);
a7e679b5
JK		 467 seq_printf(s, "Current Time Sec: %llu / Mounted Time Sec: %llu\n\n",
468 ktime_get_boottime_seconds(),
dda7d77b 469 SIT_I(sbi)->mounted_time);
f2e35789
YL		 470
471 seq_puts(s, "Policy:\n");
472 seq_puts(s, " - IPU: [");
dda7d77b 473 if (IS_F2FS_IPU_DISABLE(sbi)) {
f2e35789
YL		 474 seq_puts(s, " DISABLE");
475 } else {
dda7d77b 476 unsigned long policy = SM_I(sbi)->ipu_policy;
f2e35789
YL		 477
478 for_each_set_bit(j, &policy, F2FS_IPU_MAX)
479 seq_printf(s, " %s", ipu_mode_names[j]);
480 }
481 seq_puts(s, " ]\n\n");
482
dda7d77b 483 if (test_opt(sbi, DISCARD))
f83a2584
YH		 484 seq_printf(s, "Utilization: %u%% (%u valid blocks, %u discard blocks)\n",
485 si->utilization, si->valid_count, si->discard_blks);
486 else
487 seq_printf(s, "Utilization: %u%% (%u valid blocks)\n",
488 si->utilization, si->valid_count);
489
902829aa
GKH		 490 seq_printf(s, " - Node: %u (Inode: %u, ",
491 si->valid_node_count, si->valid_inode_count);
492 seq_printf(s, "Other: %u)\n - Data: %u\n",
493 si->valid_node_count - si->valid_inode_count,
494 si->valid_count - si->valid_node_count);
d5e8f6c9
CY		 495 seq_printf(s, " - Inline_xattr Inode: %u\n",
496 si->inline_xattr);
0dbdc2ae
JK		 497 seq_printf(s, " - Inline_data Inode: %u\n",
498 si->inline_inode);
3289c061
JK		 499 seq_printf(s, " - Inline_dentry Inode: %u\n",
500 si->inline_dir);
ae999bb9 501 seq_printf(s, " - Compressed Inode: %u, Blocks: %llu\n",
4c8ff709 502 si->compr_inode, si->compr_blocks);
8ec071c3
CY		 503 seq_printf(s, " - Swapfile Inode: %u\n",
504 si->swapfile_inode);
ef0c333c
JK		 505 seq_printf(s, " - Donate Inode: %u\n",
506 si->ndonate_files);
a00861db
JK		 507 seq_printf(s, " - Orphan/Append/Update Inode: %u, %u, %u\n",
508 si->orphans, si->append, si->update);
902829aa
GKH		 509 seq_printf(s, "\nMain area: %d segs, %d secs %d zones\n",
510 si->main_area_segs, si->main_area_sections,
511 si->main_area_zones);
0759e2c1
CY		 512 seq_printf(s, " TYPE %8s %8s %8s %10s %10s %10s\n",
513 "segno", "secno", "zoneno", "dirty_seg", "full_seg", "valid_blk");
514 seq_printf(s, " - COLD data: %8d %8d %8d %10u %10u %10u\n",
902829aa
GKH		 515 si->curseg[CURSEG_COLD_DATA],
516 si->cursec[CURSEG_COLD_DATA],
0759e2c1
CY		 517 si->curzone[CURSEG_COLD_DATA],
518 si->dirty_seg[CURSEG_COLD_DATA],
519 si->full_seg[CURSEG_COLD_DATA],
520 si->valid_blks[CURSEG_COLD_DATA]);
521 seq_printf(s, " - WARM data: %8d %8d %8d %10u %10u %10u\n",
902829aa
GKH		 522 si->curseg[CURSEG_WARM_DATA],
523 si->cursec[CURSEG_WARM_DATA],
0759e2c1
CY		 524 si->curzone[CURSEG_WARM_DATA],
525 si->dirty_seg[CURSEG_WARM_DATA],
526 si->full_seg[CURSEG_WARM_DATA],
527 si->valid_blks[CURSEG_WARM_DATA]);
528 seq_printf(s, " - HOT data: %8d %8d %8d %10u %10u %10u\n",
902829aa
GKH		 529 si->curseg[CURSEG_HOT_DATA],
530 si->cursec[CURSEG_HOT_DATA],
0759e2c1
CY		 531 si->curzone[CURSEG_HOT_DATA],
532 si->dirty_seg[CURSEG_HOT_DATA],
533 si->full_seg[CURSEG_HOT_DATA],
534 si->valid_blks[CURSEG_HOT_DATA]);
535 seq_printf(s, " - Dir dnode: %8d %8d %8d %10u %10u %10u\n",
902829aa
GKH		 536 si->curseg[CURSEG_HOT_NODE],
537 si->cursec[CURSEG_HOT_NODE],
0759e2c1
CY		 538 si->curzone[CURSEG_HOT_NODE],
539 si->dirty_seg[CURSEG_HOT_NODE],
540 si->full_seg[CURSEG_HOT_NODE],
541 si->valid_blks[CURSEG_HOT_NODE]);
542 seq_printf(s, " - File dnode: %8d %8d %8d %10u %10u %10u\n",
902829aa
GKH		 543 si->curseg[CURSEG_WARM_NODE],
544 si->cursec[CURSEG_WARM_NODE],
0759e2c1
CY		 545 si->curzone[CURSEG_WARM_NODE],
546 si->dirty_seg[CURSEG_WARM_NODE],
547 si->full_seg[CURSEG_WARM_NODE],
548 si->valid_blks[CURSEG_WARM_NODE]);
549 seq_printf(s, " - Indir nodes: %8d %8d %8d %10u %10u %10u\n",
902829aa
GKH		 550 si->curseg[CURSEG_COLD_NODE],
551 si->cursec[CURSEG_COLD_NODE],
0759e2c1
CY		 552 si->curzone[CURSEG_COLD_NODE],
553 si->dirty_seg[CURSEG_COLD_NODE],
554 si->full_seg[CURSEG_COLD_NODE],
555 si->valid_blks[CURSEG_COLD_NODE]);
d0b9e42a
CY		 556 seq_printf(s, " - Pinned file: %8d %8d %8d\n",
557 si->curseg[CURSEG_COLD_DATA_PINNED],
558 si->cursec[CURSEG_COLD_DATA_PINNED],
559 si->curzone[CURSEG_COLD_DATA_PINNED]);
093749e2
CY		 560 seq_printf(s, " - ATGC data: %8d %8d %8d\n",
561 si->curseg[CURSEG_ALL_DATA_ATGC],
562 si->cursec[CURSEG_ALL_DATA_ATGC],
563 si->curzone[CURSEG_ALL_DATA_ATGC]);
902829aa
GKH		 564 seq_printf(s, "\n - Valid: %d\n - Dirty: %d\n",
565 si->main_area_segs - si->dirty_count -
566 si->prefree_count - si->free_segs,
567 si->dirty_count);
568 seq_printf(s, " - Prefree: %d\n - Free: %d (%d)\n\n",
569 si->prefree_count, si->free_segs, si->free_secs);
2d56b4e3
CY		 570 if (f2fs_is_multi_device(sbi)) {
571 seq_puts(s, "Multidevice stats:\n");
572 seq_printf(s, " [seg: %8s %8s %8s %8s %8s]",
573 "inuse", "dirty", "full", "free", "prefree");
574 if (__is_large_section(sbi))
575 seq_printf(s, " [sec: %8s %8s %8s %8s %8s]\n",
576 "inuse", "dirty", "full", "free", "prefree");
577 else
578 seq_puts(s, "\n");
579
580 for (i = 0; i < sbi->s_ndevs; i++) {
581 seq_printf(s, " #%-2d %8u %8u %8u %8u %8u", i,
582 si->dev_stats[i].devstats[0][DEVSTAT_INUSE],
583 si->dev_stats[i].devstats[0][DEVSTAT_DIRTY],
584 si->dev_stats[i].devstats[0][DEVSTAT_FULL],
585 si->dev_stats[i].devstats[0][DEVSTAT_FREE],
586 si->dev_stats[i].devstats[0][DEVSTAT_PREFREE]);
587 if (!__is_large_section(sbi)) {
588 seq_puts(s, "\n");
589 continue;
590 }
591 seq_printf(s, " %8u %8u %8u %8u %8u\n",
592 si->dev_stats[i].devstats[1][DEVSTAT_INUSE],
593 si->dev_stats[i].devstats[1][DEVSTAT_DIRTY],
594 si->dev_stats[i].devstats[1][DEVSTAT_FULL],
595 si->dev_stats[i].devstats[1][DEVSTAT_FREE],
596 si->dev_stats[i].devstats[1][DEVSTAT_PREFREE]);
597 }
598 seq_puts(s, "\n");
599 }
42190d2a 600 seq_printf(s, "CP calls: %d (BG: %d)\n",
eb61c2cc
CY		 601 si->cp_call_count[TOTAL_CALL],
602 si->cp_call_count[BACKGROUND]);
603 seq_printf(s, "CP count: %d\n", si->cp_count);
b63e7be5
CY		 604 seq_printf(s, " - cp blocks : %u\n", si->meta_count[META_CP]);
605 seq_printf(s, " - sit blocks : %u\n",
606 si->meta_count[META_SIT]);
607 seq_printf(s, " - nat blocks : %u\n",
608 si->meta_count[META_NAT]);
609 seq_printf(s, " - ssa blocks : %u\n",
610 si->meta_count[META_SSA]);
7411143f
YL		 611 seq_puts(s, "CP merge:\n");
612 seq_printf(s, " - Queued : %4d\n", si->nr_queued_ckpt);
613 seq_printf(s, " - Issued : %4d\n", si->nr_issued_ckpt);
614 seq_printf(s, " - Total : %4d\n", si->nr_total_ckpt);
615 seq_printf(s, " - Cur time : %4d(ms)\n", si->cur_ckpt_time);
616 seq_printf(s, " - Peak time : %4d(ms)\n", si->peak_ckpt_time);
9bf1dcbd
CY		 617 seq_printf(s, "GC calls: %d (gc_thread: %d)\n",
618 si->gc_call_count[BACKGROUND] +
619 si->gc_call_count[FOREGROUND],
620 si->gc_call_count[BACKGROUND]);
621 if (__is_large_section(sbi)) {
622 seq_printf(s, " - data sections : %d (BG: %d)\n",
623 si->gc_secs[DATA][BG_GC] + si->gc_secs[DATA][FG_GC],
624 si->gc_secs[DATA][BG_GC]);
625 seq_printf(s, " - node sections : %d (BG: %d)\n",
626 si->gc_secs[NODE][BG_GC] + si->gc_secs[NODE][FG_GC],
627 si->gc_secs[NODE][BG_GC]);
628 }
629 seq_printf(s, " - data segments : %d (BG: %d)\n",
630 si->gc_segs[DATA][BG_GC] + si->gc_segs[DATA][FG_GC],
631 si->gc_segs[DATA][BG_GC]);
632 seq_printf(s, " - node segments : %d (BG: %d)\n",
633 si->gc_segs[NODE][BG_GC] + si->gc_segs[NODE][FG_GC],
634 si->gc_segs[NODE][BG_GC]);
7411143f 635 seq_puts(s, " - Reclaimed segs :\n");
dda7d77b
YL		 636 seq_printf(s, " - Normal : %d\n", sbi->gc_reclaimed_segs[GC_NORMAL]);
637 seq_printf(s, " - Idle CB : %d\n", sbi->gc_reclaimed_segs[GC_IDLE_CB]);
7411143f 638 seq_printf(s, " - Idle Greedy : %d\n",
dda7d77b
YL		 639 sbi->gc_reclaimed_segs[GC_IDLE_GREEDY]);
640 seq_printf(s, " - Idle AT : %d\n", sbi->gc_reclaimed_segs[GC_IDLE_AT]);
7411143f 641 seq_printf(s, " - Urgent High : %d\n",
dda7d77b
YL		 642 sbi->gc_reclaimed_segs[GC_URGENT_HIGH]);
643 seq_printf(s, " - Urgent Mid : %d\n", sbi->gc_reclaimed_segs[GC_URGENT_MID]);
644 seq_printf(s, " - Urgent Low : %d\n", sbi->gc_reclaimed_segs[GC_URGENT_LOW]);
e1235983
CL		 645 seq_printf(s, "Try to move %d blocks (BG: %d)\n", si->tot_blks,
646 si->bg_data_blks + si->bg_node_blks);
647 seq_printf(s, " - data blocks : %d (%d)\n", si->data_blks,
648 si->bg_data_blks);
649 seq_printf(s, " - node blocks : %d (%d)\n", si->node_blks,
650 si->bg_node_blks);
274bd9ba
CY		 651 seq_printf(s, "BG skip : IO: %u, Other: %u\n",
652 si->io_skip_bggc, si->other_skip_bggc);
e7547dac 653 seq_puts(s, "\nExtent Cache (Read):\n");
5b7ee374 654 seq_printf(s, " - Hit Count: L1-1:%llu L1-2:%llu L2:%llu\n",
e7547dac
JK		 655 si->hit_largest, si->hit_cached[EX_READ],
656 si->hit_rbtree[EX_READ]);
5b7ee374 657 seq_printf(s, " - Hit Ratio: %llu%% (%llu / %llu)\n",
e7547dac
JK		 658 !si->total_ext[EX_READ] ? 0 :
659 div64_u64(si->hit_total[EX_READ] * 100,
660 si->total_ext[EX_READ]),
661 si->hit_total[EX_READ], si->total_ext[EX_READ]);
c00ba554 662 seq_printf(s, " - Inner Struct Count: tree: %d(%d), node: %d\n",
e7547dac
JK		 663 si->ext_tree[EX_READ], si->zombie_tree[EX_READ],
664 si->ext_node[EX_READ]);
71644dff
JK		 665 seq_puts(s, "\nExtent Cache (Block Age):\n");
666 seq_printf(s, " - Allocated Data Blocks: %llu\n",
667 si->allocated_data_blocks);
668 seq_printf(s, " - Hit Count: L1:%llu L2:%llu\n",
669 si->hit_cached[EX_BLOCK_AGE],
670 si->hit_rbtree[EX_BLOCK_AGE]);
671 seq_printf(s, " - Hit Ratio: %llu%% (%llu / %llu)\n",
672 !si->total_ext[EX_BLOCK_AGE] ? 0 :
673 div64_u64(si->hit_total[EX_BLOCK_AGE] * 100,
674 si->total_ext[EX_BLOCK_AGE]),
675 si->hit_total[EX_BLOCK_AGE],
676 si->total_ext[EX_BLOCK_AGE]);
677 seq_printf(s, " - Inner Struct Count: tree: %d(%d), node: %d\n",
678 si->ext_tree[EX_BLOCK_AGE],
679 si->zombie_tree[EX_BLOCK_AGE],
680 si->ext_node[EX_BLOCK_AGE]);
6c311ec6 681 seq_puts(s, "\nBalancing F2FS Async:\n");
02b16d0a
CY		 682 seq_printf(s, " - DIO (R: %4d, W: %4d)\n",
683 si->nr_dio_read, si->nr_dio_write);
5f9abab4
JK		 684 seq_printf(s, " - IO_R (Data: %4d, Node: %4d, Meta: %4d\n",
685 si->nr_rd_data, si->nr_rd_node, si->nr_rd_meta);
7411143f 686 seq_printf(s, " - IO_W (CP: %4d, Data: %4d, Flush: (%4d %4d %4d), ",
dcc9165d 687 si->nr_wb_cp_data, si->nr_wb_data,
8b8dd65f 688 si->nr_flushing, si->nr_flushed,
7411143f
YL		 689 si->flush_list_empty);
690 seq_printf(s, "Discard: (%4d %4d)) cmd: %4d undiscard:%4u\n",
5f32366a 691 si->nr_discarding, si->nr_discarded,
d84d1cbd 692 si->nr_discard_cmd, si->undiscard_blks);
7bc155fe
JK		 693 seq_printf(s, " - atomic IO: %4d (Max. %4d)\n",
694 si->aw_cnt, si->max_aw_cnt);
6ce19aff 695 seq_printf(s, " - compress: %4d, hit:%8d\n", si->compress_pages, si->compress_page_hit);
35782b23 696 seq_printf(s, " - nodes: %4d in %4d\n",
902829aa 697 si->ndirty_node, si->node_pages);
35782b23 698 seq_printf(s, " - dents: %4d in dirs:%4d (%4d)\n",
0f18b462 699 si->ndirty_dent, si->ndirty_dirs, si->ndirty_all);
e63ce120 700 seq_printf(s, " - data: %4d in files:%4d\n",
33fbd510 701 si->ndirty_data, si->ndirty_files);
e63ce120 702 seq_printf(s, " - quota data: %4d in quota files:%4d\n",
2c8a4a28 703 si->ndirty_qdata, si->nquota_files);
35782b23 704 seq_printf(s, " - meta: %4d in %4d\n",
902829aa 705 si->ndirty_meta, si->meta_pages);
35782b23 706 seq_printf(s, " - imeta: %4d\n",
5bc994a0 707 si->ndirty_imeta);
47c8ebcc
JK		 708 seq_printf(s, " - fsync mark: %4lld\n",
709 percpu_counter_sum_positive(
dda7d77b 710 &sbi->rf_node_block_count));
dd4e4b59
JK		 711 seq_printf(s, " - NATs: %9d/%9d\n - SITs: %9d/%9d\n",
712 si->dirty_nats, si->nats, si->dirty_sits, si->sits);
5b0ef73c
JK		 713 seq_printf(s, " - free_nids: %9d/%9d\n - alloc_nids: %9d\n",
714 si->free_nids, si->avail_nids, si->alloc_nids);
2d219c51
GZ		 715 seq_puts(s, "\nDistribution of User Blocks:");
716 seq_puts(s, " [ valid | invalid | free ]\n");
717 seq_puts(s, " [");
902829aa
GKH		 718
719 for (j = 0; j < si->util_valid; j++)
2d219c51
GZ		 720 seq_putc(s, '-');
721 seq_putc(s, '|');
902829aa
GKH		 722
723 for (j = 0; j < si->util_invalid; j++)
2d219c51
GZ		 724 seq_putc(s, '-');
725 seq_putc(s, '|');
902829aa
GKH		 726
727 for (j = 0; j < si->util_free; j++)
2d219c51
GZ		 728 seq_putc(s, '-');
729 seq_puts(s, "]\n\n");
b9a2c252 730 seq_printf(s, "IPU: %u blocks\n", si->inplace_count);
902829aa
GKH		 731 seq_printf(s, "SSR: %u blocks in %u segments\n",
732 si->block_count[SSR], si->segment_count[SSR]);
733 seq_printf(s, "LFS: %u blocks in %u segments\n",
734 si->block_count[LFS], si->segment_count[LFS]);
735
736 /* segment usage info */
dda7d77b 737 f2fs_update_sit_info(sbi);
902829aa
GKH		 738 seq_printf(s, "\nBDF: %u, avg. vblocks: %u\n",
739 si->bimodal, si->avg_vblocks);
740
741 /* memory footprint */
dda7d77b 742 update_mem_info(sbi);
9edcdabf 743 seq_printf(s, "\nMemory: %llu KB\n",
6f0aacbc 744 (si->base_mem + si->cache_mem + si->page_mem) >> 10);
9edcdabf 745 seq_printf(s, " - static: %llu KB\n",
6f0aacbc 746 si->base_mem >> 10);
e7547dac 747 seq_printf(s, " - cached all: %llu KB\n",
6f0aacbc 748 si->cache_mem >> 10);
e7547dac
JK		 749 seq_printf(s, " - read extent cache: %llu KB\n",
750 si->ext_mem[EX_READ] >> 10);
71644dff
JK		 751 seq_printf(s, " - block age extent cache: %llu KB\n",
752 si->ext_mem[EX_BLOCK_AGE] >> 10);
9edcdabf 753 seq_printf(s, " - paged : %llu KB\n",
6f0aacbc 754 si->page_mem >> 10);
902829aa 755 }
98237fcd 756 raw_spin_unlock_irqrestore(&f2fs_stat_lock, flags);
902829aa
GKH		 757 return 0;
758}
759
155c62fe 760DEFINE_SHOW_ATTRIBUTE(stat);
fc7100ea 761#endif
902829aa 762
4589d25d 763int f2fs_build_stats(struct f2fs_sb_info *sbi)
902829aa
GKH		 764{
765 struct f2fs_super_block *raw_super = F2FS_RAW_SUPER(sbi);
766 struct f2fs_stat_info *si;
2d56b4e3 767 struct f2fs_dev_stats *dev_stats;
98237fcd 768 unsigned long flags;
b63e7be5 769 int i;
902829aa 770
acbf054d 771 si = f2fs_kzalloc(sbi, sizeof(struct f2fs_stat_info), GFP_KERNEL);
963d4f7d 772 if (!si)
902829aa
GKH		 773 return -ENOMEM;
774
2d56b4e3
CY		 775 dev_stats = f2fs_kzalloc(sbi, sizeof(struct f2fs_dev_stats) *
776 sbi->s_ndevs, GFP_KERNEL);
777 if (!dev_stats) {
778 kfree(si);
779 return -ENOMEM;
780 }
781
782 si->dev_stats = dev_stats;
783
902829aa
GKH		 784 si->all_area_segs = le32_to_cpu(raw_super->segment_count);
785 si->sit_area_segs = le32_to_cpu(raw_super->segment_count_sit);
786 si->nat_area_segs = le32_to_cpu(raw_super->segment_count_nat);
787 si->ssa_area_segs = le32_to_cpu(raw_super->segment_count_ssa);
788 si->main_area_segs = le32_to_cpu(raw_super->segment_count_main);
789 si->main_area_sections = le32_to_cpu(raw_super->section_count);
790 si->main_area_zones = si->main_area_sections /
791 le32_to_cpu(raw_super->secs_per_zone);
792 si->sbi = sbi;
963d4f7d 793 sbi->stat_info = si;
66af62ce 794
e7547dac
JK		 795 /* general extent cache stats */
796 for (i = 0; i < NR_EXTENT_CACHES; i++) {
797 atomic64_set(&sbi->total_hit_ext[i], 0);
798 atomic64_set(&sbi->read_hit_rbtree[i], 0);
799 atomic64_set(&sbi->read_hit_cached[i], 0);
800 }
801
802 /* read extent_cache only */
5b7ee374 803 atomic64_set(&sbi->read_hit_largest, 0);
727edac5 804
d5e8f6c9 805 atomic_set(&sbi->inline_xattr, 0);
03e14d52
CY		 806 atomic_set(&sbi->inline_inode, 0);
807 atomic_set(&sbi->inline_dir, 0);
4c8ff709 808 atomic_set(&sbi->compr_inode, 0);
ae999bb9 809 atomic64_set(&sbi->compr_blocks, 0);
8ec071c3 810 atomic_set(&sbi->swapfile_inode, 0);
b4dac120 811 atomic_set(&sbi->atomic_files, 0);
b9a2c252 812 atomic_set(&sbi->inplace_count, 0);
b63e7be5
CY		 813 for (i = META_CP; i < META_MAX; i++)
814 atomic_set(&sbi->meta_count[i], 0);
eb61c2cc
CY		 815 for (i = 0; i < MAX_CALL_TYPE; i++)
816 atomic_set(&sbi->cp_call_count[i], 0);
03e14d52 817
26a28a0c
JK		 818 atomic_set(&sbi->max_aw_cnt, 0);
819
98237fcd 820 raw_spin_lock_irqsave(&f2fs_stat_lock, flags);
66af62ce 821 list_add_tail(&si->stat_list, &f2fs_stat_list);
98237fcd 822 raw_spin_unlock_irqrestore(&f2fs_stat_lock, flags);
66af62ce 823
902829aa
GKH		 824 return 0;
825}
826
902829aa
GKH		 827void f2fs_destroy_stats(struct f2fs_sb_info *sbi)
828{
963d4f7d 829 struct f2fs_stat_info *si = F2FS_STAT(sbi);
98237fcd 830 unsigned long flags;
902829aa 831
98237fcd 832 raw_spin_lock_irqsave(&f2fs_stat_lock, flags);
902829aa 833 list_del(&si->stat_list);
98237fcd 834 raw_spin_unlock_irqrestore(&f2fs_stat_lock, flags);
66af62ce 835
2d56b4e3 836 kfree(si->dev_stats);
c8eb7024 837 kfree(si);
902829aa
GKH		 838}
839
c20e57b3 840void __init f2fs_create_root_stats(void)
4589d25d 841{
fc7100ea 842#ifdef CONFIG_DEBUG_FS
40e1ebe9 843 f2fs_debugfs_root = debugfs_create_dir("f2fs", NULL);
c524723e 844
491f7f71 845 debugfs_create_file("status", 0444, f2fs_debugfs_root, NULL,
c20e57b3 846 &stat_fops);
fc7100ea 847#endif
4589d25d
NJ		 848}
849
850void f2fs_destroy_root_stats(void)
902829aa 851{
fc7100ea 852#ifdef CONFIG_DEBUG_FS
40e1ebe9
YL		 853 debugfs_remove_recursive(f2fs_debugfs_root);
854 f2fs_debugfs_root = NULL;
fc7100ea 855#endif
902829aa 856}
Linux 6.x block layer and io_uring tree(s)