From 1c055e55a242a33e574e48be530e06770a210dcd Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Mon, 19 Feb 2024 03:26:26 +0000
Subject: [PATCH] add r8169 read mac form eeprom
---
kernel/fs/f2fs/checkpoint.c | 340 ++++++++++++++++++++++++++++++++++++++++++++++++--------
1 files changed, 291 insertions(+), 49 deletions(-)
diff --git a/kernel/fs/f2fs/checkpoint.c b/kernel/fs/f2fs/checkpoint.c
index 8270e92..dd764e0 100644
--- a/kernel/fs/f2fs/checkpoint.c
+++ b/kernel/fs/f2fs/checkpoint.c
@@ -13,22 +13,28 @@
#include <linux/f2fs_fs.h>
#include <linux/pagevec.h>
#include <linux/swap.h>
+#include <linux/kthread.h>
#include "f2fs.h"
#include "node.h"
#include "segment.h"
-#include "trace.h"
#include <trace/events/f2fs.h>
+
+#define DEFAULT_CHECKPOINT_IOPRIO (IOPRIO_PRIO_VALUE(IOPRIO_CLASS_BE, 3))
static struct kmem_cache *ino_entry_slab;
struct kmem_cache *f2fs_inode_entry_slab;
-void f2fs_stop_checkpoint(struct f2fs_sb_info *sbi, bool end_io)
+void f2fs_stop_checkpoint(struct f2fs_sb_info *sbi, bool end_io,
+ unsigned char reason)
{
f2fs_build_fault_attr(sbi, 0, 0);
set_ckpt_flags(sbi, CP_ERROR_FLAG);
- if (!end_io)
+ if (!end_io) {
f2fs_flush_merged_writes(sbi);
+
+ f2fs_handle_stop(sbi, reason);
+ }
}
/*
@@ -37,7 +43,7 @@
struct page *f2fs_grab_meta_page(struct f2fs_sb_info *sbi, pgoff_t index)
{
struct address_space *mapping = META_MAPPING(sbi);
- struct page *page = NULL;
+ struct page *page;
repeat:
page = f2fs_grab_cache_page(mapping, index, false);
if (!page) {
@@ -107,7 +113,7 @@
return __get_meta_page(sbi, index, true);
}
-struct page *f2fs_get_meta_page_nofail(struct f2fs_sb_info *sbi, pgoff_t index)
+struct page *f2fs_get_meta_page_retry(struct f2fs_sb_info *sbi, pgoff_t index)
{
struct page *page;
int count = 0;
@@ -118,7 +124,7 @@
if (PTR_ERR(page) == -EIO &&
++count <= DEFAULT_RETRY_IO_COUNT)
goto retry;
- f2fs_stop_checkpoint(sbi, false);
+ f2fs_stop_checkpoint(sbi, false, STOP_CP_REASON_META_PAGE);
}
return page;
}
@@ -136,7 +142,7 @@
unsigned int segno, offset;
bool exist;
- if (type != DATA_GENERIC_ENHANCE && type != DATA_GENERIC_ENHANCE_READ)
+ if (type == DATA_GENERIC)
return true;
segno = GET_SEGNO(sbi, blkaddr);
@@ -144,11 +150,18 @@
se = get_seg_entry(sbi, segno);
exist = f2fs_test_bit(offset, se->cur_valid_map);
+ if (exist && type == DATA_GENERIC_ENHANCE_UPDATE) {
+ f2fs_err(sbi, "Inconsistent error blkaddr:%u, sit bitmap:%d",
+ blkaddr, exist);
+ set_sbi_flag(sbi, SBI_NEED_FSCK);
+ return exist;
+ }
+
if (!exist && type == DATA_GENERIC_ENHANCE) {
f2fs_err(sbi, "Inconsistent error blkaddr:%u, sit bitmap:%d",
blkaddr, exist);
set_sbi_flag(sbi, SBI_NEED_FSCK);
- WARN_ON(1);
+ dump_stack();
}
return exist;
}
@@ -181,12 +194,13 @@
case DATA_GENERIC:
case DATA_GENERIC_ENHANCE:
case DATA_GENERIC_ENHANCE_READ:
+ case DATA_GENERIC_ENHANCE_UPDATE:
if (unlikely(blkaddr >= MAX_BLKADDR(sbi) ||
blkaddr < MAIN_BLKADDR(sbi))) {
f2fs_warn(sbi, "access invalid blkaddr:%u",
blkaddr);
set_sbi_flag(sbi, SBI_NEED_FSCK);
- WARN_ON(1);
+ dump_stack();
return false;
} else {
return __is_bitmap_valid(sbi, blkaddr, type);
@@ -301,8 +315,15 @@
trace_f2fs_writepage(page, META);
- if (unlikely(f2fs_cp_error(sbi)))
+ if (unlikely(f2fs_cp_error(sbi))) {
+ if (is_sbi_flag_set(sbi, SBI_IS_CLOSE)) {
+ ClearPageUptodate(page);
+ dec_page_count(sbi, F2FS_DIRTY_META);
+ unlock_page(page);
+ return 0;
+ }
goto redirty_out;
+ }
if (unlikely(is_sbi_flag_set(sbi, SBI_POR_DOING)))
goto redirty_out;
if (wbc->for_reclaim && page->index < GET_SUM_BLOCK(sbi, 0))
@@ -348,13 +369,13 @@
goto skip_write;
/* if locked failed, cp will flush dirty pages instead */
- if (!mutex_trylock(&sbi->cp_mutex))
+ if (!f2fs_down_write_trylock(&sbi->cp_global_sem))
goto skip_write;
trace_f2fs_writepages(mapping->host, wbc, META);
diff = nr_pages_to_write(sbi, META, wbc);
written = f2fs_sync_meta_pages(sbi, META, wbc->nr_to_write, FS_META_IO);
- mutex_unlock(&sbi->cp_mutex);
+ f2fs_up_write(&sbi->cp_global_sem);
wbc->nr_to_write = max((long)0, wbc->nr_to_write - written - diff);
return 0;
@@ -442,8 +463,7 @@
if (!PageDirty(page)) {
__set_page_dirty_nobuffers(page);
inc_page_count(F2FS_P_SB(page), F2FS_DIRTY_META);
- f2fs_set_page_private(page, 0);
- f2fs_trace_pid(page);
+ set_page_private_reference(page);
return 1;
}
return 0;
@@ -525,7 +545,7 @@
__remove_ino_entry(sbi, ino, type);
}
-/* mode should be APPEND_INO or UPDATE_INO */
+/* mode should be APPEND_INO, UPDATE_INO or TRANS_DIR_INO */
bool f2fs_exist_written_data(struct f2fs_sb_info *sbi, nid_t ino, int mode)
{
struct inode_management *im = &sbi->im[mode];
@@ -649,7 +669,7 @@
/* truncate all the data during iput */
iput(inode);
- err = f2fs_get_node_info(sbi, ino, &ni);
+ err = f2fs_get_node_info(sbi, ino, &ni, false);
if (err)
goto err_out;
@@ -718,6 +738,7 @@
orphan_blk = (struct f2fs_orphan_block *)page_address(page);
for (j = 0; j < le32_to_cpu(orphan_blk->entry_count); j++) {
nid_t ino = le32_to_cpu(orphan_blk->ino[j]);
+
err = recover_orphan_inode(sbi, ino);
if (err) {
f2fs_put_page(page, 1);
@@ -851,6 +872,7 @@
struct page *cp_page_1 = NULL, *cp_page_2 = NULL;
struct f2fs_checkpoint *cp_block = NULL;
unsigned long long cur_version = 0, pre_version = 0;
+ unsigned int cp_blocks;
int err;
err = get_checkpoint_version(sbi, cp_addr, &cp_block,
@@ -858,15 +880,16 @@
if (err)
return NULL;
- if (le32_to_cpu(cp_block->cp_pack_total_block_count) >
- sbi->blocks_per_seg) {
+ cp_blocks = le32_to_cpu(cp_block->cp_pack_total_block_count);
+
+ if (cp_blocks > sbi->blocks_per_seg || 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;
}
pre_version = *version;
- cp_addr += le32_to_cpu(cp_block->cp_pack_total_block_count) - 1;
+ cp_addr += cp_blocks - 1;
err = get_checkpoint_version(sbi, cp_addr, &cp_block,
&cp_page_2, version);
if (err)
@@ -1016,8 +1039,7 @@
inode_inc_dirty_pages(inode);
spin_unlock(&sbi->inode_lock[type]);
- f2fs_set_page_private(page, 0);
- f2fs_trace_pid(page);
+ set_page_private_reference(page);
}
void f2fs_remove_dirty_inode(struct inode *inode)
@@ -1037,7 +1059,8 @@
spin_unlock(&sbi->inode_lock[type]);
}
-int f2fs_sync_dirty_inodes(struct f2fs_sb_info *sbi, enum inode_type type)
+int f2fs_sync_dirty_inodes(struct f2fs_sb_info *sbi, enum inode_type type,
+ bool from_cp)
{
struct list_head *head;
struct inode *inode;
@@ -1072,11 +1095,15 @@
if (inode) {
unsigned long cur_ino = inode->i_ino;
- F2FS_I(inode)->cp_task = current;
+ if (from_cp)
+ F2FS_I(inode)->cp_task = current;
+ F2FS_I(inode)->wb_task = current;
filemap_fdatawrite(inode->i_mapping);
- F2FS_I(inode)->cp_task = NULL;
+ F2FS_I(inode)->wb_task = NULL;
+ if (from_cp)
+ F2FS_I(inode)->cp_task = NULL;
iput(inode);
/* We need to give cpu to another writers. */
@@ -1147,7 +1174,8 @@
if (!is_journalled_quota(sbi))
return false;
- down_write(&sbi->quota_sem);
+ if (!f2fs_down_write_trylock(&sbi->quota_sem))
+ return true;
if (is_sbi_flag_set(sbi, SBI_QUOTA_SKIP_FLUSH)) {
ret = false;
} else if (is_sbi_flag_set(sbi, SBI_QUOTA_NEED_REPAIR)) {
@@ -1158,7 +1186,7 @@
} else if (get_pages(sbi, F2FS_DIRTY_QDATA)) {
ret = true;
}
- up_write(&sbi->quota_sem);
+ f2fs_up_write(&sbi->quota_sem);
return ret;
}
@@ -1204,7 +1232,7 @@
/* write all the dirty dentry pages */
if (get_pages(sbi, F2FS_DIRTY_DENTS)) {
f2fs_unlock_all(sbi);
- err = f2fs_sync_dirty_inodes(sbi, DIR_INODE);
+ err = f2fs_sync_dirty_inodes(sbi, DIR_INODE, true);
if (err)
return err;
cond_resched();
@@ -1215,10 +1243,10 @@
* POR: we should ensure that there are no dirty node pages
* until finishing nat/sit flush. inode->i_blocks can be updated.
*/
- down_write(&sbi->node_change);
+ f2fs_down_write(&sbi->node_change);
if (get_pages(sbi, F2FS_DIRTY_IMETA)) {
- up_write(&sbi->node_change);
+ f2fs_up_write(&sbi->node_change);
f2fs_unlock_all(sbi);
err = f2fs_sync_inode_meta(sbi);
if (err)
@@ -1228,15 +1256,15 @@
}
retry_flush_nodes:
- down_write(&sbi->node_write);
+ f2fs_down_write(&sbi->node_write);
if (get_pages(sbi, F2FS_DIRTY_NODES)) {
- up_write(&sbi->node_write);
+ f2fs_up_write(&sbi->node_write);
atomic_inc(&sbi->wb_sync_req[NODE]);
err = f2fs_sync_node_pages(sbi, &wbc, false, FS_CP_NODE_IO);
atomic_dec(&sbi->wb_sync_req[NODE]);
if (err) {
- up_write(&sbi->node_change);
+ f2fs_up_write(&sbi->node_change);
f2fs_unlock_all(sbi);
return err;
}
@@ -1249,13 +1277,13 @@
* dirty node blocks and some checkpoint values by block allocation.
*/
__prepare_cp_block(sbi);
- up_write(&sbi->node_change);
+ f2fs_up_write(&sbi->node_change);
return err;
}
static void unblock_operations(struct f2fs_sb_info *sbi)
{
- up_write(&sbi->node_write);
+ f2fs_up_write(&sbi->node_write);
f2fs_unlock_all(sbi);
}
@@ -1264,17 +1292,20 @@
DEFINE_WAIT(wait);
for (;;) {
- prepare_to_wait(&sbi->cp_wait, &wait, TASK_UNINTERRUPTIBLE);
-
if (!get_pages(sbi, type))
break;
- if (unlikely(f2fs_cp_error(sbi)))
+ if (unlikely(f2fs_cp_error(sbi) &&
+ !is_sbi_flag_set(sbi, SBI_IS_CLOSE)))
break;
if (type == F2FS_DIRTY_META)
f2fs_sync_meta_pages(sbi, META, LONG_MAX,
FS_CP_META_IO);
+ else if (type == F2FS_WB_CP_DATA)
+ f2fs_submit_merged_write(sbi, DATA);
+
+ prepare_to_wait(&sbi->cp_wait, &wait, TASK_UNINTERRUPTIBLE);
io_schedule_timeout(DEFAULT_IO_TIMEOUT);
}
finish_wait(&sbi->cp_wait, &wait);
@@ -1383,6 +1414,26 @@
f2fs_submit_merged_write(sbi, META_FLUSH);
}
+static inline u64 get_sectors_written(struct block_device *bdev)
+{
+ return (u64)part_stat_read(bdev->bd_part, sectors[STAT_WRITE]);
+}
+
+u64 f2fs_get_sectors_written(struct f2fs_sb_info *sbi)
+{
+ if (f2fs_is_multi_device(sbi)) {
+ u64 sectors = 0;
+ int i;
+
+ for (i = 0; i < sbi->s_ndevs; i++)
+ sectors += get_sectors_written(FDEV(i).bdev);
+
+ return sectors;
+ }
+
+ return get_sectors_written(sbi->sb->s_bdev);
+}
+
static int do_checkpoint(struct f2fs_sb_info *sbi, struct cp_control *cpc)
{
struct f2fs_checkpoint *ckpt = F2FS_CKPT(sbi);
@@ -1393,7 +1444,6 @@
__u32 crc32 = 0;
int i;
int cp_payload_blks = __cp_payload(sbi);
- struct super_block *sb = sbi->sb;
struct curseg_info *seg_i = CURSEG_I(sbi, CURSEG_HOT_NODE);
u64 kbytes_written;
int err;
@@ -1421,7 +1471,7 @@
curseg_alloc_type(sbi, i + CURSEG_HOT_DATA);
}
- /* 2 cp + n data seg summary + orphan inode blocks */
+ /* 2 cp + n data seg summary + orphan inode blocks */
data_sum_blocks = f2fs_npages_for_summary_flush(sbi, false);
spin_lock_irqsave(&sbi->cp_lock, flags);
if (data_sum_blocks < NR_CURSEG_DATA_TYPE)
@@ -1435,7 +1485,7 @@
orphan_blocks);
if (__remain_node_summaries(cpc->reason))
- ckpt->cp_pack_total_block_count = cpu_to_le32(F2FS_CP_PACKS+
+ ckpt->cp_pack_total_block_count = cpu_to_le32(F2FS_CP_PACKS +
cp_payload_blks + data_sum_blocks +
orphan_blocks + NR_CURSEG_NODE_TYPE);
else
@@ -1488,9 +1538,8 @@
/* Record write statistics in the hot node summary */
kbytes_written = sbi->kbytes_written;
- if (sb->s_bdev->bd_part)
- kbytes_written += BD_PART_WRITTEN(sbi);
-
+ kbytes_written += (f2fs_get_sectors_written(sbi) -
+ sbi->sectors_written_start) >> 1;
seg_i->journal->info.kbytes_written = cpu_to_le64(kbytes_written);
if (__remain_node_summaries(cpc->reason)) {
@@ -1521,9 +1570,10 @@
/*
* invalidate intermediate page cache borrowed from meta inode which are
- * used for migration of encrypted or verity inode's blocks.
+ * used for migration of encrypted, verity or compressed inode's blocks.
*/
- if (f2fs_sb_has_encrypt(sbi) || f2fs_sb_has_verity(sbi))
+ if (f2fs_sb_has_encrypt(sbi) || f2fs_sb_has_verity(sbi) ||
+ f2fs_sb_has_compression(sbi))
invalidate_mapping_pages(META_MAPPING(sbi),
MAIN_BLKADDR(sbi), MAX_BLKADDR(sbi) - 1);
@@ -1569,7 +1619,7 @@
f2fs_warn(sbi, "Start checkpoint disabled!");
}
if (cpc->reason != CP_RESIZE)
- mutex_lock(&sbi->cp_mutex);
+ f2fs_down_write(&sbi->cp_global_sem);
if (!is_sbi_flag_set(sbi, SBI_IS_DIRTY) &&
((cpc->reason & CP_FASTBOOT) || (cpc->reason & CP_SYNC) ||
@@ -1597,7 +1647,7 @@
goto out;
}
- if (NM_I(sbi)->dirty_nat_cnt == 0 &&
+ if (NM_I(sbi)->nat_cnt[DIRTY_NAT] == 0 &&
SIT_I(sbi)->dirty_sentries == 0 &&
prefree_segments(sbi) == 0) {
f2fs_flush_sit_entries(sbi, cpc);
@@ -1622,11 +1672,16 @@
f2fs_flush_sit_entries(sbi, cpc);
+ /* save inmem log status */
+ f2fs_save_inmem_curseg(sbi);
+
err = do_checkpoint(sbi, cpc);
if (err)
f2fs_release_discard_addrs(sbi);
else
f2fs_clear_prefree_segments(sbi, cpc);
+
+ f2fs_restore_inmem_curseg(sbi);
stop:
unblock_operations(sbi);
stat_inc_cp_count(sbi->stat_info);
@@ -1639,7 +1694,7 @@
trace_f2fs_write_checkpoint(sbi->sb, cpc->reason, "finish checkpoint");
out:
if (cpc->reason != CP_RESIZE)
- mutex_unlock(&sbi->cp_mutex);
+ f2fs_up_write(&sbi->cp_global_sem);
return err;
}
@@ -1657,7 +1712,7 @@
}
sbi->max_orphans = (sbi->blocks_per_seg - F2FS_CP_PACKS -
- NR_CURSEG_TYPE - __cp_payload(sbi)) *
+ NR_CURSEG_PERSIST_TYPE - __cp_payload(sbi)) *
F2FS_ORPHANS_PER_BLOCK;
}
@@ -1681,3 +1736,190 @@
kmem_cache_destroy(ino_entry_slab);
kmem_cache_destroy(f2fs_inode_entry_slab);
}
+
+static int __write_checkpoint_sync(struct f2fs_sb_info *sbi)
+{
+ struct cp_control cpc = { .reason = CP_SYNC, };
+ int err;
+
+ f2fs_down_write(&sbi->gc_lock);
+ err = f2fs_write_checkpoint(sbi, &cpc);
+ f2fs_up_write(&sbi->gc_lock);
+
+ return err;
+}
+
+static void __checkpoint_and_complete_reqs(struct f2fs_sb_info *sbi)
+{
+ struct ckpt_req_control *cprc = &sbi->cprc_info;
+ struct ckpt_req *req, *next;
+ struct llist_node *dispatch_list;
+ u64 sum_diff = 0, diff, count = 0;
+ int ret;
+
+ dispatch_list = llist_del_all(&cprc->issue_list);
+ if (!dispatch_list)
+ return;
+ dispatch_list = llist_reverse_order(dispatch_list);
+
+ ret = __write_checkpoint_sync(sbi);
+ atomic_inc(&cprc->issued_ckpt);
+
+ llist_for_each_entry_safe(req, next, dispatch_list, llnode) {
+ diff = (u64)ktime_ms_delta(ktime_get(), req->queue_time);
+ req->ret = ret;
+ complete(&req->wait);
+
+ sum_diff += diff;
+ count++;
+ }
+ atomic_sub(count, &cprc->queued_ckpt);
+ atomic_add(count, &cprc->total_ckpt);
+
+ spin_lock(&cprc->stat_lock);
+ cprc->cur_time = (unsigned int)div64_u64(sum_diff, count);
+ if (cprc->peak_time < cprc->cur_time)
+ cprc->peak_time = cprc->cur_time;
+ spin_unlock(&cprc->stat_lock);
+}
+
+static int issue_checkpoint_thread(void *data)
+{
+ struct f2fs_sb_info *sbi = data;
+ struct ckpt_req_control *cprc = &sbi->cprc_info;
+ wait_queue_head_t *q = &cprc->ckpt_wait_queue;
+repeat:
+ if (kthread_should_stop())
+ return 0;
+
+ if (!llist_empty(&cprc->issue_list))
+ __checkpoint_and_complete_reqs(sbi);
+
+ wait_event_interruptible(*q,
+ kthread_should_stop() || !llist_empty(&cprc->issue_list));
+ goto repeat;
+}
+
+static void flush_remained_ckpt_reqs(struct f2fs_sb_info *sbi,
+ struct ckpt_req *wait_req)
+{
+ struct ckpt_req_control *cprc = &sbi->cprc_info;
+
+ if (!llist_empty(&cprc->issue_list)) {
+ __checkpoint_and_complete_reqs(sbi);
+ } else {
+ /* already dispatched by issue_checkpoint_thread */
+ if (wait_req)
+ wait_for_completion(&wait_req->wait);
+ }
+}
+
+static void init_ckpt_req(struct ckpt_req *req)
+{
+ memset(req, 0, sizeof(struct ckpt_req));
+
+ init_completion(&req->wait);
+ req->queue_time = ktime_get();
+}
+
+int f2fs_issue_checkpoint(struct f2fs_sb_info *sbi)
+{
+ struct ckpt_req_control *cprc = &sbi->cprc_info;
+ struct ckpt_req req;
+ struct cp_control cpc;
+
+ cpc.reason = __get_cp_reason(sbi);
+ if (!test_opt(sbi, MERGE_CHECKPOINT) || cpc.reason != CP_SYNC) {
+ int ret;
+
+ f2fs_down_write(&sbi->gc_lock);
+ ret = f2fs_write_checkpoint(sbi, &cpc);
+ f2fs_up_write(&sbi->gc_lock);
+
+ return ret;
+ }
+
+ if (!cprc->f2fs_issue_ckpt)
+ return __write_checkpoint_sync(sbi);
+
+ init_ckpt_req(&req);
+
+ llist_add(&req.llnode, &cprc->issue_list);
+ atomic_inc(&cprc->queued_ckpt);
+
+ /*
+ * update issue_list before we wake up issue_checkpoint thread,
+ * this smp_mb() pairs with another barrier in ___wait_event(),
+ * see more details in comments of waitqueue_active().
+ */
+ smp_mb();
+
+ if (waitqueue_active(&cprc->ckpt_wait_queue))
+ wake_up(&cprc->ckpt_wait_queue);
+
+ if (cprc->f2fs_issue_ckpt)
+ wait_for_completion(&req.wait);
+ else
+ flush_remained_ckpt_reqs(sbi, &req);
+
+ return req.ret;
+}
+
+int f2fs_start_ckpt_thread(struct f2fs_sb_info *sbi)
+{
+ dev_t dev = sbi->sb->s_bdev->bd_dev;
+ struct ckpt_req_control *cprc = &sbi->cprc_info;
+
+ if (cprc->f2fs_issue_ckpt)
+ return 0;
+
+ cprc->f2fs_issue_ckpt = kthread_run(issue_checkpoint_thread, sbi,
+ "f2fs_ckpt-%u:%u", MAJOR(dev), MINOR(dev));
+ if (IS_ERR(cprc->f2fs_issue_ckpt)) {
+ cprc->f2fs_issue_ckpt = NULL;
+ return -ENOMEM;
+ }
+
+ set_task_ioprio(cprc->f2fs_issue_ckpt, cprc->ckpt_thread_ioprio);
+
+ return 0;
+}
+
+void f2fs_stop_ckpt_thread(struct f2fs_sb_info *sbi)
+{
+ struct ckpt_req_control *cprc = &sbi->cprc_info;
+ struct task_struct *ckpt_task;
+
+ if (!cprc->f2fs_issue_ckpt)
+ return;
+
+ ckpt_task = cprc->f2fs_issue_ckpt;
+ cprc->f2fs_issue_ckpt = NULL;
+ kthread_stop(ckpt_task);
+
+ f2fs_flush_ckpt_thread(sbi);
+}
+
+void f2fs_flush_ckpt_thread(struct f2fs_sb_info *sbi)
+{
+ struct ckpt_req_control *cprc = &sbi->cprc_info;
+
+ flush_remained_ckpt_reqs(sbi, NULL);
+
+ /* Let's wait for the previous dispatched checkpoint. */
+ while (atomic_read(&cprc->queued_ckpt))
+ io_schedule_timeout(DEFAULT_IO_TIMEOUT);
+}
+
+void f2fs_init_ckpt_req_control(struct f2fs_sb_info *sbi)
+{
+ struct ckpt_req_control *cprc = &sbi->cprc_info;
+
+ atomic_set(&cprc->issued_ckpt, 0);
+ atomic_set(&cprc->total_ckpt, 0);
+ atomic_set(&cprc->queued_ckpt, 0);
+ cprc->ckpt_thread_ioprio = DEFAULT_CHECKPOINT_IOPRIO;
+ init_waitqueue_head(&cprc->ckpt_wait_queue);
+ init_llist_head(&cprc->issue_list);
+ spin_lock_init(&cprc->stat_lock);
+}
--
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