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-rw-r--r--fs/f2fs/checkpoint.c1392
1 files changed, 991 insertions, 401 deletions
diff --git a/fs/f2fs/checkpoint.c b/fs/f2fs/checkpoint.c
index 5b876f6d3f6b..300664269eb6 100644
--- a/fs/f2fs/checkpoint.c
+++ b/fs/f2fs/checkpoint.c
@@ -1,12 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* fs/f2fs/checkpoint.c
*
* Copyright (c) 2012 Samsung Electronics Co., Ltd.
* http://www.samsung.com/
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
*/
#include <linux/fs.h>
#include <linux/bio.h>
@@ -16,51 +13,52 @@
#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 "iostat.h"
#include <trace/events/f2fs.h>
+#define DEFAULT_CHECKPOINT_IOPRIO (IOPRIO_PRIO_VALUE(IOPRIO_CLASS_RT, 3))
+
static struct kmem_cache *ino_entry_slab;
-struct kmem_cache *inode_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)
{
- set_ckpt_flags(sbi, CP_ERROR_FLAG);
- sbi->sb->s_flags |= MS_RDONLY;
+ f2fs_build_fault_attr(sbi, 0, 0, FAULT_ALL);
if (!end_io)
f2fs_flush_merged_writes(sbi);
+ f2fs_handle_critical_error(sbi, reason);
}
/*
* We guarantee no failure on the returned page.
*/
-struct page *grab_meta_page(struct f2fs_sb_info *sbi, pgoff_t index)
+struct folio *f2fs_grab_meta_folio(struct f2fs_sb_info *sbi, pgoff_t index)
{
struct address_space *mapping = META_MAPPING(sbi);
- struct page *page = NULL;
+ struct folio *folio;
repeat:
- page = f2fs_grab_cache_page(mapping, index, false);
- if (!page) {
+ folio = f2fs_grab_cache_folio(mapping, index, false);
+ if (IS_ERR(folio)) {
cond_resched();
goto repeat;
}
- f2fs_wait_on_page_writeback(page, META, true);
- if (!PageUptodate(page))
- SetPageUptodate(page);
- return page;
+ f2fs_folio_wait_writeback(folio, META, true, true);
+ if (!folio_test_uptodate(folio))
+ folio_mark_uptodate(folio);
+ return folio;
}
-/*
- * We guarantee no failure on the returned page.
- */
-static struct page *__get_meta_page(struct f2fs_sb_info *sbi, pgoff_t index,
+static struct folio *__get_meta_folio(struct f2fs_sb_info *sbi, pgoff_t index,
bool is_meta)
{
struct address_space *mapping = META_MAPPING(sbi);
- struct page *page;
+ struct folio *folio;
struct f2fs_io_info fio = {
.sbi = sbi,
.type = META,
@@ -69,92 +67,191 @@ static struct page *__get_meta_page(struct f2fs_sb_info *sbi, pgoff_t index,
.old_blkaddr = index,
.new_blkaddr = index,
.encrypted_page = NULL,
+ .is_por = !is_meta ? 1 : 0,
};
+ int err;
if (unlikely(!is_meta))
fio.op_flags &= ~REQ_META;
repeat:
- page = f2fs_grab_cache_page(mapping, index, false);
- if (!page) {
+ folio = f2fs_grab_cache_folio(mapping, index, false);
+ if (IS_ERR(folio)) {
cond_resched();
goto repeat;
}
- if (PageUptodate(page))
+ if (folio_test_uptodate(folio))
goto out;
- fio.page = page;
+ fio.folio = folio;
- if (f2fs_submit_page_bio(&fio)) {
- f2fs_put_page(page, 1);
- goto repeat;
+ err = f2fs_submit_page_bio(&fio);
+ if (err) {
+ f2fs_folio_put(folio, true);
+ return ERR_PTR(err);
}
- lock_page(page);
- if (unlikely(page->mapping != mapping)) {
- f2fs_put_page(page, 1);
+ f2fs_update_iostat(sbi, NULL, FS_META_READ_IO, F2FS_BLKSIZE);
+
+ folio_lock(folio);
+ if (unlikely(!is_meta_folio(folio))) {
+ f2fs_folio_put(folio, true);
goto repeat;
}
- /*
- * if there is any IO error when accessing device, make our filesystem
- * readonly and make sure do not write checkpoint with non-uptodate
- * meta page.
- */
- if (unlikely(!PageUptodate(page)))
- f2fs_stop_checkpoint(sbi, false);
+ if (unlikely(!folio_test_uptodate(folio))) {
+ f2fs_handle_page_eio(sbi, folio, META);
+ f2fs_folio_put(folio, true);
+ return ERR_PTR(-EIO);
+ }
out:
- return page;
+ return folio;
}
-struct page *get_meta_page(struct f2fs_sb_info *sbi, pgoff_t index)
+struct folio *f2fs_get_meta_folio(struct f2fs_sb_info *sbi, pgoff_t index)
{
- return __get_meta_page(sbi, index, true);
+ return __get_meta_folio(sbi, index, true);
+}
+
+struct folio *f2fs_get_meta_folio_retry(struct f2fs_sb_info *sbi, pgoff_t index)
+{
+ struct folio *folio;
+ int count = 0;
+
+retry:
+ folio = __get_meta_folio(sbi, index, true);
+ if (IS_ERR(folio)) {
+ if (PTR_ERR(folio) == -EIO &&
+ ++count <= DEFAULT_RETRY_IO_COUNT)
+ goto retry;
+ f2fs_stop_checkpoint(sbi, false, STOP_CP_REASON_META_PAGE);
+ }
+ return folio;
}
/* for POR only */
-struct page *get_tmp_page(struct f2fs_sb_info *sbi, pgoff_t index)
+struct folio *f2fs_get_tmp_folio(struct f2fs_sb_info *sbi, pgoff_t index)
+{
+ return __get_meta_folio(sbi, index, false);
+}
+
+static bool __is_bitmap_valid(struct f2fs_sb_info *sbi, block_t blkaddr,
+ int type)
{
- return __get_meta_page(sbi, index, false);
+ struct seg_entry *se;
+ unsigned int segno, offset;
+ bool exist;
+
+ if (type == DATA_GENERIC)
+ return true;
+
+ segno = GET_SEGNO(sbi, blkaddr);
+ offset = GET_BLKOFF_FROM_SEG0(sbi, blkaddr);
+ se = get_seg_entry(sbi, segno);
+
+ exist = f2fs_test_bit(offset, se->cur_valid_map);
+
+ /* skip data, if we already have an error in checkpoint. */
+ if (unlikely(f2fs_cp_error(sbi)))
+ return exist;
+
+ if ((exist && type == DATA_GENERIC_ENHANCE_UPDATE) ||
+ (!exist && type == DATA_GENERIC_ENHANCE))
+ goto out_err;
+ if (!exist && type != DATA_GENERIC_ENHANCE_UPDATE)
+ goto out_handle;
+ return exist;
+
+out_err:
+ f2fs_err(sbi, "Inconsistent error blkaddr:%u, sit bitmap:%d",
+ blkaddr, exist);
+ set_sbi_flag(sbi, SBI_NEED_FSCK);
+ dump_stack();
+out_handle:
+ f2fs_handle_error(sbi, ERROR_INVALID_BLKADDR);
+ return exist;
}
-bool is_valid_blkaddr(struct f2fs_sb_info *sbi, block_t blkaddr, int type)
+static bool __f2fs_is_valid_blkaddr(struct f2fs_sb_info *sbi,
+ block_t blkaddr, int type)
{
switch (type) {
case META_NAT:
break;
case META_SIT:
if (unlikely(blkaddr >= SIT_BLK_CNT(sbi)))
- return false;
+ goto check_only;
break;
case META_SSA:
if (unlikely(blkaddr >= MAIN_BLKADDR(sbi) ||
blkaddr < SM_I(sbi)->ssa_blkaddr))
- return false;
+ goto check_only;
break;
case META_CP:
if (unlikely(blkaddr >= SIT_I(sbi)->sit_base_addr ||
blkaddr < __start_cp_addr(sbi)))
- return false;
+ goto check_only;
break;
case META_POR:
if (unlikely(blkaddr >= MAX_BLKADDR(sbi) ||
blkaddr < MAIN_BLKADDR(sbi)))
- return false;
+ goto check_only;
+ break;
+ 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))) {
+
+ /* Skip to emit an error message. */
+ if (unlikely(f2fs_cp_error(sbi)))
+ return false;
+
+ f2fs_warn(sbi, "access invalid blkaddr:%u",
+ blkaddr);
+ set_sbi_flag(sbi, SBI_NEED_FSCK);
+ dump_stack();
+ goto err;
+ } else {
+ return __is_bitmap_valid(sbi, blkaddr, type);
+ }
+ break;
+ case META_GENERIC:
+ if (unlikely(blkaddr < SEG0_BLKADDR(sbi) ||
+ blkaddr >= MAIN_BLKADDR(sbi)))
+ goto err;
break;
default:
BUG();
}
return true;
+err:
+ f2fs_handle_error(sbi, ERROR_INVALID_BLKADDR);
+check_only:
+ return false;
+}
+
+bool f2fs_is_valid_blkaddr(struct f2fs_sb_info *sbi,
+ block_t blkaddr, int type)
+{
+ if (time_to_inject(sbi, FAULT_BLKADDR_VALIDITY))
+ return false;
+ return __f2fs_is_valid_blkaddr(sbi, blkaddr, type);
+}
+
+bool f2fs_is_valid_blkaddr_raw(struct f2fs_sb_info *sbi,
+ block_t blkaddr, int type)
+{
+ return __f2fs_is_valid_blkaddr(sbi, blkaddr, type);
}
/*
- * Readahead CP/NAT/SIT/SSA pages
+ * Readahead CP/NAT/SIT/SSA/POR pages
*/
-int ra_meta_pages(struct f2fs_sb_info *sbi, block_t start, int nrpages,
+int f2fs_ra_meta_pages(struct f2fs_sb_info *sbi, block_t start, int nrpages,
int type, bool sync)
{
- struct page *page;
block_t blkno = start;
struct f2fs_io_info fio = {
.sbi = sbi,
@@ -162,17 +259,20 @@ int ra_meta_pages(struct f2fs_sb_info *sbi, block_t start, int nrpages,
.op = REQ_OP_READ,
.op_flags = sync ? (REQ_META | REQ_PRIO) : REQ_RAHEAD,
.encrypted_page = NULL,
- .in_list = false,
+ .in_list = 0,
+ .is_por = (type == META_POR) ? 1 : 0,
};
struct blk_plug plug;
+ int err;
if (unlikely(type == META_POR))
fio.op_flags &= ~REQ_META;
blk_start_plug(&plug);
for (; nrpages-- > 0; blkno++) {
+ struct folio *folio;
- if (!is_valid_blkaddr(sbi, blkno, type))
+ if (!f2fs_is_valid_blkaddr(sbi, blkno, type))
goto out;
switch (type) {
@@ -185,6 +285,8 @@ int ra_meta_pages(struct f2fs_sb_info *sbi, block_t start, int nrpages,
blkno * NAT_ENTRY_PER_BLOCK);
break;
case META_SIT:
+ if (unlikely(blkno >= TOTAL_SEGS(sbi)))
+ goto out;
/* get sit block addr */
fio.new_blkaddr = current_sit_addr(sbi,
blkno * SIT_ENTRY_PER_BLOCK);
@@ -198,69 +300,79 @@ int ra_meta_pages(struct f2fs_sb_info *sbi, block_t start, int nrpages,
BUG();
}
- page = f2fs_grab_cache_page(META_MAPPING(sbi),
+ folio = f2fs_grab_cache_folio(META_MAPPING(sbi),
fio.new_blkaddr, false);
- if (!page)
+ if (IS_ERR(folio))
continue;
- if (PageUptodate(page)) {
- f2fs_put_page(page, 1);
+ if (folio_test_uptodate(folio)) {
+ f2fs_folio_put(folio, true);
continue;
}
- fio.page = page;
- f2fs_submit_page_bio(&fio);
- f2fs_put_page(page, 0);
+ fio.folio = folio;
+ err = f2fs_submit_page_bio(&fio);
+ f2fs_folio_put(folio, err ? true : false);
+
+ if (!err)
+ f2fs_update_iostat(sbi, NULL, FS_META_READ_IO,
+ F2FS_BLKSIZE);
}
out:
blk_finish_plug(&plug);
return blkno - start;
}
-void ra_meta_pages_cond(struct f2fs_sb_info *sbi, pgoff_t index)
+void f2fs_ra_meta_pages_cond(struct f2fs_sb_info *sbi, pgoff_t index,
+ unsigned int ra_blocks)
{
- struct page *page;
+ struct folio *folio;
bool readahead = false;
- page = find_get_page(META_MAPPING(sbi), index);
- if (!page || !PageUptodate(page))
+ if (ra_blocks == RECOVERY_MIN_RA_BLOCKS)
+ return;
+
+ folio = filemap_get_folio(META_MAPPING(sbi), index);
+ if (IS_ERR(folio) || !folio_test_uptodate(folio))
readahead = true;
- f2fs_put_page(page, 0);
+ f2fs_folio_put(folio, false);
if (readahead)
- ra_meta_pages(sbi, index, BIO_MAX_PAGES, META_POR, true);
+ f2fs_ra_meta_pages(sbi, index, ra_blocks, META_POR, true);
}
-static int f2fs_write_meta_page(struct page *page,
- struct writeback_control *wbc)
+static bool __f2fs_write_meta_folio(struct folio *folio,
+ struct writeback_control *wbc,
+ enum iostat_type io_type)
{
- struct f2fs_sb_info *sbi = F2FS_P_SB(page);
+ struct f2fs_sb_info *sbi = F2FS_F_SB(folio);
- trace_f2fs_writepage(page, META);
+ trace_f2fs_writepage(folio, META);
- if (unlikely(is_sbi_flag_set(sbi, SBI_POR_DOING)))
- goto redirty_out;
- if (wbc->for_reclaim && page->index < GET_SUM_BLOCK(sbi, 0))
+ if (unlikely(f2fs_cp_error(sbi))) {
+ if (is_sbi_flag_set(sbi, SBI_IS_CLOSE)) {
+ folio_clear_uptodate(folio);
+ dec_page_count(sbi, F2FS_DIRTY_META);
+ folio_unlock(folio);
+ return true;
+ }
goto redirty_out;
- if (unlikely(f2fs_cp_error(sbi)))
+ }
+ if (unlikely(is_sbi_flag_set(sbi, SBI_POR_DOING)))
goto redirty_out;
- write_meta_page(sbi, page);
+ f2fs_do_write_meta_page(sbi, folio, io_type);
dec_page_count(sbi, F2FS_DIRTY_META);
- if (wbc->for_reclaim)
- f2fs_submit_merged_write_cond(sbi, page->mapping->host,
- 0, page->index, META);
-
- unlock_page(page);
+ folio_unlock(folio);
if (unlikely(f2fs_cp_error(sbi)))
f2fs_submit_merged_write(sbi, META);
- return 0;
+ return true;
redirty_out:
- redirty_page_for_writepage(wbc, page);
- return AOP_WRITEPAGE_ACTIVATE;
+ folio_redirty_for_writepage(wbc, folio);
+ return false;
}
static int f2fs_write_meta_pages(struct address_space *mapping,
@@ -273,18 +385,19 @@ static int f2fs_write_meta_pages(struct address_space *mapping,
goto skip_write;
/* collect a number of dirty meta pages and write together */
- if (wbc->for_kupdate ||
- get_pages(sbi, F2FS_DIRTY_META) < nr_pages_to_skip(sbi, META))
+ if (wbc->sync_mode != WB_SYNC_ALL &&
+ get_pages(sbi, F2FS_DIRTY_META) <
+ nr_pages_to_skip(sbi, META))
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 = sync_meta_pages(sbi, META, wbc->nr_to_write);
- mutex_unlock(&sbi->cp_mutex);
+ written = f2fs_sync_meta_pages(sbi, META, wbc->nr_to_write, FS_META_IO);
+ f2fs_up_write(&sbi->cp_global_sem);
wbc->nr_to_write = max((long)0, wbc->nr_to_write - written - diff);
return 0;
@@ -294,68 +407,64 @@ skip_write:
return 0;
}
-long sync_meta_pages(struct f2fs_sb_info *sbi, enum page_type type,
- long nr_to_write)
+long f2fs_sync_meta_pages(struct f2fs_sb_info *sbi, enum page_type type,
+ long nr_to_write, enum iostat_type io_type)
{
struct address_space *mapping = META_MAPPING(sbi);
- pgoff_t index = 0, end = ULONG_MAX, prev = ULONG_MAX;
- struct pagevec pvec;
+ pgoff_t index = 0, prev = ULONG_MAX;
+ struct folio_batch fbatch;
long nwritten = 0;
- struct writeback_control wbc = {
- .for_reclaim = 0,
- };
+ int nr_folios;
+ struct writeback_control wbc = {};
struct blk_plug plug;
- pagevec_init(&pvec, 0);
+ folio_batch_init(&fbatch);
blk_start_plug(&plug);
- while (index <= end) {
- int i, nr_pages;
- nr_pages = pagevec_lookup_tag(&pvec, mapping, &index,
- PAGECACHE_TAG_DIRTY,
- min(end - index, (pgoff_t)PAGEVEC_SIZE-1) + 1);
- if (unlikely(nr_pages == 0))
- break;
+ while ((nr_folios = filemap_get_folios_tag(mapping, &index,
+ (pgoff_t)-1,
+ PAGECACHE_TAG_DIRTY, &fbatch))) {
+ int i;
- for (i = 0; i < nr_pages; i++) {
- struct page *page = pvec.pages[i];
+ for (i = 0; i < nr_folios; i++) {
+ struct folio *folio = fbatch.folios[i];
- if (prev == ULONG_MAX)
- prev = page->index - 1;
- if (nr_to_write != LONG_MAX && page->index != prev + 1) {
- pagevec_release(&pvec);
+ if (nr_to_write != LONG_MAX && i != 0 &&
+ folio->index != prev +
+ folio_nr_pages(fbatch.folios[i-1])) {
+ folio_batch_release(&fbatch);
goto stop;
}
- lock_page(page);
+ folio_lock(folio);
- if (unlikely(page->mapping != mapping)) {
+ if (unlikely(!is_meta_folio(folio))) {
continue_unlock:
- unlock_page(page);
+ folio_unlock(folio);
continue;
}
- if (!PageDirty(page)) {
+ if (!folio_test_dirty(folio)) {
/* someone wrote it for us */
goto continue_unlock;
}
- f2fs_wait_on_page_writeback(page, META, true);
+ f2fs_folio_wait_writeback(folio, META, true, true);
- BUG_ON(PageWriteback(page));
- if (!clear_page_dirty_for_io(page))
+ if (!folio_clear_dirty_for_io(folio))
goto continue_unlock;
- if (mapping->a_ops->writepage(page, &wbc)) {
- unlock_page(page);
+ if (!__f2fs_write_meta_folio(folio, &wbc,
+ io_type)) {
+ folio_unlock(folio);
break;
}
- nwritten++;
- prev = page->index;
+ nwritten += folio_nr_pages(folio);
+ prev = folio->index;
if (unlikely(nwritten >= nr_to_write))
break;
}
- pagevec_release(&pvec);
+ folio_batch_release(&fbatch);
cond_resched();
}
stop:
@@ -367,51 +476,62 @@ stop:
return nwritten;
}
-static int f2fs_set_meta_page_dirty(struct page *page)
+static bool f2fs_dirty_meta_folio(struct address_space *mapping,
+ struct folio *folio)
{
- trace_f2fs_set_page_dirty(page, META);
-
- if (!PageUptodate(page))
- SetPageUptodate(page);
- if (!PageDirty(page)) {
- f2fs_set_page_dirty_nobuffers(page);
- inc_page_count(F2FS_P_SB(page), F2FS_DIRTY_META);
- SetPagePrivate(page);
- f2fs_trace_pid(page);
- return 1;
+ trace_f2fs_set_page_dirty(folio, META);
+
+ if (!folio_test_uptodate(folio))
+ folio_mark_uptodate(folio);
+ if (filemap_dirty_folio(mapping, folio)) {
+ inc_page_count(F2FS_M_SB(mapping), F2FS_DIRTY_META);
+ folio_set_f2fs_reference(folio);
+ return true;
}
- return 0;
+ return false;
}
const struct address_space_operations f2fs_meta_aops = {
- .writepage = f2fs_write_meta_page,
.writepages = f2fs_write_meta_pages,
- .set_page_dirty = f2fs_set_meta_page_dirty,
- .invalidatepage = f2fs_invalidate_page,
- .releasepage = f2fs_release_page,
-#ifdef CONFIG_MIGRATION
- .migratepage = f2fs_migrate_page,
-#endif
+ .dirty_folio = f2fs_dirty_meta_folio,
+ .invalidate_folio = f2fs_invalidate_folio,
+ .release_folio = f2fs_release_folio,
+ .migrate_folio = filemap_migrate_folio,
};
-static void __add_ino_entry(struct f2fs_sb_info *sbi, nid_t ino, int type)
+static void __add_ino_entry(struct f2fs_sb_info *sbi, nid_t ino,
+ unsigned int devidx, int type)
{
struct inode_management *im = &sbi->im[type];
- struct ino_entry *e, *tmp;
+ struct ino_entry *e = NULL, *new = NULL;
+ int ret;
+
+ if (type == FLUSH_INO) {
+ rcu_read_lock();
+ e = radix_tree_lookup(&im->ino_root, ino);
+ rcu_read_unlock();
+ }
- tmp = f2fs_kmem_cache_alloc(ino_entry_slab, GFP_NOFS);
retry:
- radix_tree_preload(GFP_NOFS | __GFP_NOFAIL);
+ if (!e)
+ new = f2fs_kmem_cache_alloc(ino_entry_slab,
+ GFP_NOFS, true, NULL);
+
+ ret = radix_tree_preload(GFP_NOFS | __GFP_NOFAIL);
+ f2fs_bug_on(sbi, ret);
spin_lock(&im->ino_lock);
e = radix_tree_lookup(&im->ino_root, ino);
if (!e) {
- e = tmp;
- if (radix_tree_insert(&im->ino_root, ino, e)) {
+ if (!new) {
spin_unlock(&im->ino_lock);
radix_tree_preload_end();
goto retry;
}
+ e = new;
+ if (unlikely(radix_tree_insert(&im->ino_root, ino, e)))
+ f2fs_bug_on(sbi, 1);
+
memset(e, 0, sizeof(struct ino_entry));
e->ino = ino;
@@ -419,11 +539,15 @@ retry:
if (type != ORPHAN_INO)
im->ino_num++;
}
+
+ if (type == FLUSH_INO)
+ f2fs_set_bit(devidx, (char *)&e->dirty_device);
+
spin_unlock(&im->ino_lock);
radix_tree_preload_end();
- if (e != tmp)
- kmem_cache_free(ino_entry_slab, tmp);
+ if (new && e != new)
+ kmem_cache_free(ino_entry_slab, new);
}
static void __remove_ino_entry(struct f2fs_sb_info *sbi, nid_t ino, int type)
@@ -444,20 +568,20 @@ static void __remove_ino_entry(struct f2fs_sb_info *sbi, nid_t ino, int type)
spin_unlock(&im->ino_lock);
}
-void add_ino_entry(struct f2fs_sb_info *sbi, nid_t ino, int type)
+void f2fs_add_ino_entry(struct f2fs_sb_info *sbi, nid_t ino, int type)
{
/* add new dirty ino entry into list */
- __add_ino_entry(sbi, ino, type);
+ __add_ino_entry(sbi, ino, 0, type);
}
-void remove_ino_entry(struct f2fs_sb_info *sbi, nid_t ino, int type)
+void f2fs_remove_ino_entry(struct f2fs_sb_info *sbi, nid_t ino, int type)
{
/* remove dirty ino entry from list */
__remove_ino_entry(sbi, ino, type);
}
-/* mode should be APPEND_INO or UPDATE_INO */
-bool exist_written_data(struct f2fs_sb_info *sbi, nid_t ino, int mode)
+/* 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];
struct ino_entry *e;
@@ -468,12 +592,12 @@ bool exist_written_data(struct f2fs_sb_info *sbi, nid_t ino, int mode)
return e ? true : false;
}
-void release_ino_entry(struct f2fs_sb_info *sbi, bool all)
+void f2fs_release_ino_entry(struct f2fs_sb_info *sbi, bool all)
{
struct ino_entry *e, *tmp;
int i;
- for (i = all ? ORPHAN_INO: APPEND_INO; i <= UPDATE_INO; i++) {
+ for (i = all ? ORPHAN_INO : APPEND_INO; i < MAX_INO_ENTRY; i++) {
struct inode_management *im = &sbi->im[i];
spin_lock(&im->ino_lock);
@@ -487,20 +611,39 @@ void release_ino_entry(struct f2fs_sb_info *sbi, bool all)
}
}
-int acquire_orphan_inode(struct f2fs_sb_info *sbi)
+void f2fs_set_dirty_device(struct f2fs_sb_info *sbi, nid_t ino,
+ unsigned int devidx, int type)
+{
+ __add_ino_entry(sbi, ino, devidx, type);
+}
+
+bool f2fs_is_dirty_device(struct f2fs_sb_info *sbi, nid_t ino,
+ unsigned int devidx, int type)
+{
+ struct inode_management *im = &sbi->im[type];
+ struct ino_entry *e;
+ bool is_dirty = false;
+
+ spin_lock(&im->ino_lock);
+ e = radix_tree_lookup(&im->ino_root, ino);
+ if (e && f2fs_test_bit(devidx, (char *)&e->dirty_device))
+ is_dirty = true;
+ spin_unlock(&im->ino_lock);
+ return is_dirty;
+}
+
+int f2fs_acquire_orphan_inode(struct f2fs_sb_info *sbi)
{
struct inode_management *im = &sbi->im[ORPHAN_INO];
int err = 0;
spin_lock(&im->ino_lock);
-#ifdef CONFIG_F2FS_FAULT_INJECTION
if (time_to_inject(sbi, FAULT_ORPHAN)) {
spin_unlock(&im->ino_lock);
- f2fs_show_injection_info(FAULT_ORPHAN);
return -ENOSPC;
}
-#endif
+
if (unlikely(im->ino_num >= sbi->max_orphans))
err = -ENOSPC;
else
@@ -510,7 +653,7 @@ int acquire_orphan_inode(struct f2fs_sb_info *sbi)
return err;
}
-void release_orphan_inode(struct f2fs_sb_info *sbi)
+void f2fs_release_orphan_inode(struct f2fs_sb_info *sbi)
{
struct inode_management *im = &sbi->im[ORPHAN_INO];
@@ -520,14 +663,14 @@ void release_orphan_inode(struct f2fs_sb_info *sbi)
spin_unlock(&im->ino_lock);
}
-void add_orphan_inode(struct inode *inode)
+void f2fs_add_orphan_inode(struct inode *inode)
{
/* add new orphan ino entry into list */
- __add_ino_entry(F2FS_I_SB(inode), inode->i_ino, ORPHAN_INO);
- update_inode_page(inode);
+ __add_ino_entry(F2FS_I_SB(inode), inode->i_ino, 0, ORPHAN_INO);
+ f2fs_update_inode_page(inode);
}
-void remove_orphan_inode(struct f2fs_sb_info *sbi, nid_t ino)
+void f2fs_remove_orphan_inode(struct f2fs_sb_info *sbi, nid_t ino)
{
/* remove orphan entry from orphan list */
__remove_ino_entry(sbi, ino, ORPHAN_INO);
@@ -537,17 +680,7 @@ static int recover_orphan_inode(struct f2fs_sb_info *sbi, nid_t ino)
{
struct inode *inode;
struct node_info ni;
- int err = acquire_orphan_inode(sbi);
-
- if (err) {
- set_sbi_flag(sbi, SBI_NEED_FSCK);
- f2fs_msg(sbi->sb, KERN_WARNING,
- "%s: orphan failed (ino=%x), run fsck to fix.",
- __func__, ino);
- return err;
- }
-
- __add_ino_entry(sbi, ino, ORPHAN_INO);
+ int err;
inode = f2fs_iget_retry(sbi->sb, ino);
if (IS_ERR(inode)) {
@@ -559,56 +692,84 @@ static int recover_orphan_inode(struct f2fs_sb_info *sbi, nid_t ino)
return PTR_ERR(inode);
}
+ err = f2fs_dquot_initialize(inode);
+ if (err) {
+ iput(inode);
+ goto err_out;
+ }
+
clear_nlink(inode);
/* truncate all the data during iput */
iput(inode);
- get_node_info(sbi, ino, &ni);
+ err = f2fs_get_node_info(sbi, ino, &ni, false);
+ if (err)
+ goto err_out;
/* ENOMEM was fully retried in f2fs_evict_inode. */
if (ni.blk_addr != NULL_ADDR) {
- set_sbi_flag(sbi, SBI_NEED_FSCK);
- f2fs_msg(sbi->sb, KERN_WARNING,
- "%s: orphan failed (ino=%x) by kernel, retry mount.",
- __func__, ino);
- return -EIO;
+ err = -EIO;
+ goto err_out;
}
- __remove_ino_entry(sbi, ino, ORPHAN_INO);
return 0;
+
+err_out:
+ set_sbi_flag(sbi, SBI_NEED_FSCK);
+ f2fs_warn(sbi, "%s: orphan failed (ino=%x), run fsck to fix.",
+ __func__, ino);
+ return err;
}
-int recover_orphan_inodes(struct f2fs_sb_info *sbi)
+int f2fs_recover_orphan_inodes(struct f2fs_sb_info *sbi)
{
block_t start_blk, orphan_blocks, i, j;
- int err;
+ int err = 0;
if (!is_set_ckpt_flags(sbi, CP_ORPHAN_PRESENT_FLAG))
return 0;
+ if (f2fs_hw_is_readonly(sbi)) {
+ f2fs_info(sbi, "write access unavailable, skipping orphan cleanup");
+ return 0;
+ }
+
+ if (is_sbi_flag_set(sbi, SBI_IS_WRITABLE))
+ f2fs_info(sbi, "orphan cleanup on readonly fs");
+
start_blk = __start_cp_addr(sbi) + 1 + __cp_payload(sbi);
orphan_blocks = __start_sum_addr(sbi) - 1 - __cp_payload(sbi);
- ra_meta_pages(sbi, start_blk, orphan_blocks, META_CP, true);
+ f2fs_ra_meta_pages(sbi, start_blk, orphan_blocks, META_CP, true);
for (i = 0; i < orphan_blocks; i++) {
- struct page *page = get_meta_page(sbi, start_blk + i);
+ struct folio *folio;
struct f2fs_orphan_block *orphan_blk;
- orphan_blk = (struct f2fs_orphan_block *)page_address(page);
+ folio = f2fs_get_meta_folio(sbi, start_blk + i);
+ if (IS_ERR(folio)) {
+ err = PTR_ERR(folio);
+ goto out;
+ }
+
+ orphan_blk = folio_address(folio);
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);
- return err;
+ f2fs_folio_put(folio, true);
+ goto out;
}
}
- f2fs_put_page(page, 1);
+ f2fs_folio_put(folio, true);
}
/* clear Orphan Flag */
clear_ckpt_flags(sbi, CP_ORPHAN_PRESENT_FLAG);
- return 0;
+out:
+ set_sbi_flag(sbi, SBI_IS_RECOVERED);
+
+ return err;
}
static void write_orphan_inodes(struct f2fs_sb_info *sbi, block_t start_blk)
@@ -618,7 +779,7 @@ static void write_orphan_inodes(struct f2fs_sb_info *sbi, block_t start_blk)
unsigned int nentries = 0;
unsigned short index = 1;
unsigned short orphan_blocks;
- struct page *page = NULL;
+ struct folio *folio = NULL;
struct ino_entry *orphan = NULL;
struct inode_management *im = &sbi->im[ORPHAN_INO];
@@ -631,12 +792,11 @@ static void write_orphan_inodes(struct f2fs_sb_info *sbi, block_t start_blk)
*/
head = &im->ino_list;
- /* loop for each orphan inode entry and write them in Jornal block */
+ /* loop for each orphan inode entry and write them in journal block */
list_for_each_entry(orphan, head, list) {
- if (!page) {
- page = grab_meta_page(sbi, start_blk++);
- orphan_blk =
- (struct f2fs_orphan_block *)page_address(page);
+ if (!folio) {
+ folio = f2fs_grab_meta_folio(sbi, start_blk++);
+ orphan_blk = folio_address(folio);
memset(orphan_blk, 0, sizeof(*orphan_blk));
}
@@ -651,44 +811,62 @@ static void write_orphan_inodes(struct f2fs_sb_info *sbi, block_t start_blk)
orphan_blk->blk_addr = cpu_to_le16(index);
orphan_blk->blk_count = cpu_to_le16(orphan_blocks);
orphan_blk->entry_count = cpu_to_le32(nentries);
- set_page_dirty(page);
- f2fs_put_page(page, 1);
+ folio_mark_dirty(folio);
+ f2fs_folio_put(folio, true);
index++;
nentries = 0;
- page = NULL;
+ folio = NULL;
}
}
- if (page) {
+ if (folio) {
orphan_blk->blk_addr = cpu_to_le16(index);
orphan_blk->blk_count = cpu_to_le16(orphan_blocks);
orphan_blk->entry_count = cpu_to_le32(nentries);
- set_page_dirty(page);
- f2fs_put_page(page, 1);
+ folio_mark_dirty(folio);
+ f2fs_folio_put(folio, true);
+ }
+}
+
+static __u32 f2fs_checkpoint_chksum(struct f2fs_checkpoint *ckpt)
+{
+ unsigned int chksum_ofs = le32_to_cpu(ckpt->checksum_offset);
+ __u32 chksum;
+
+ chksum = f2fs_crc32(ckpt, chksum_ofs);
+ if (chksum_ofs < CP_CHKSUM_OFFSET) {
+ chksum_ofs += sizeof(chksum);
+ chksum = f2fs_chksum(chksum, (__u8 *)ckpt + chksum_ofs,
+ F2FS_BLKSIZE - chksum_ofs);
}
+ return chksum;
}
static int get_checkpoint_version(struct f2fs_sb_info *sbi, block_t cp_addr,
- struct f2fs_checkpoint **cp_block, struct page **cp_page,
+ struct f2fs_checkpoint **cp_block, struct folio **cp_folio,
unsigned long long *version)
{
- unsigned long blk_size = sbi->blocksize;
size_t crc_offset = 0;
- __u32 crc = 0;
+ __u32 crc;
- *cp_page = get_meta_page(sbi, cp_addr);
- *cp_block = (struct f2fs_checkpoint *)page_address(*cp_page);
+ *cp_folio = f2fs_get_meta_folio(sbi, cp_addr);
+ if (IS_ERR(*cp_folio))
+ return PTR_ERR(*cp_folio);
+
+ *cp_block = folio_address(*cp_folio);
crc_offset = le32_to_cpu((*cp_block)->checksum_offset);
- if (crc_offset > (blk_size - sizeof(__le32))) {
- f2fs_msg(sbi->sb, KERN_WARNING,
- "invalid crc_offset: %zu", crc_offset);
+ if (crc_offset < CP_MIN_CHKSUM_OFFSET ||
+ crc_offset > CP_CHKSUM_OFFSET) {
+ f2fs_folio_put(*cp_folio, true);
+ f2fs_warn(sbi, "invalid crc_offset: %zu", crc_offset);
return -EINVAL;
}
- crc = cur_cp_crc(*cp_block);
- if (!f2fs_crc_valid(sbi, crc, *cp_block, crc_offset)) {
- f2fs_msg(sbi->sb, KERN_WARNING, "invalid crc value");
+ crc = f2fs_checkpoint_chksum(*cp_block);
+ if (crc != cur_cp_crc(*cp_block)) {
+ f2fs_folio_put(*cp_folio, true);
+ f2fs_warn(sbi, "invalid crc value");
return -EINVAL;
}
@@ -696,57 +874,67 @@ static int get_checkpoint_version(struct f2fs_sb_info *sbi, block_t cp_addr,
return 0;
}
-static struct page *validate_checkpoint(struct f2fs_sb_info *sbi,
+static struct folio *validate_checkpoint(struct f2fs_sb_info *sbi,
block_t cp_addr, unsigned long long *version)
{
- struct page *cp_page_1 = NULL, *cp_page_2 = NULL;
+ struct folio *cp_folio_1 = NULL, *cp_folio_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,
- &cp_page_1, version);
+ &cp_folio_1, version);
if (err)
- goto invalid_cp1;
+ return NULL;
+
+ cp_blocks = le32_to_cpu(cp_block->cp_pack_total_block_count);
+
+ 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;
+ }
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);
+ &cp_folio_2, version);
if (err)
- goto invalid_cp2;
+ goto invalid_cp;
cur_version = *version;
if (cur_version == pre_version) {
*version = cur_version;
- f2fs_put_page(cp_page_2, 1);
- return cp_page_1;
+ f2fs_folio_put(cp_folio_2, true);
+ return cp_folio_1;
}
-invalid_cp2:
- f2fs_put_page(cp_page_2, 1);
-invalid_cp1:
- f2fs_put_page(cp_page_1, 1);
+ f2fs_folio_put(cp_folio_2, true);
+invalid_cp:
+ f2fs_folio_put(cp_folio_1, true);
return NULL;
}
-int get_valid_checkpoint(struct f2fs_sb_info *sbi)
+int f2fs_get_valid_checkpoint(struct f2fs_sb_info *sbi)
{
struct f2fs_checkpoint *cp_block;
struct f2fs_super_block *fsb = sbi->raw_super;
- struct page *cp1, *cp2, *cur_page;
+ struct folio *cp1, *cp2, *cur_folio;
unsigned long blk_size = sbi->blocksize;
unsigned long long cp1_version = 0, cp2_version = 0;
unsigned long long cp_start_blk_no;
unsigned int cp_blks = 1 + __cp_payload(sbi);
block_t cp_blk_no;
int i;
+ int err;
- sbi->ckpt = kzalloc(cp_blks * blk_size, GFP_KERNEL);
+ sbi->ckpt = f2fs_kvzalloc(sbi, array_size(blk_size, cp_blks),
+ GFP_KERNEL);
if (!sbi->ckpt)
return -ENOMEM;
/*
* Finding out valid cp block involves read both
- * sets( cp pack1 and cp pack 2)
+ * sets( cp pack 1 and cp pack 2)
*/
cp_start_blk_no = le32_to_cpu(fsb->cp_blkaddr);
cp1 = validate_checkpoint(sbi, cp_start_blk_no, &cp1_version);
@@ -758,56 +946,63 @@ int get_valid_checkpoint(struct f2fs_sb_info *sbi)
if (cp1 && cp2) {
if (ver_after(cp2_version, cp1_version))
- cur_page = cp2;
+ cur_folio = cp2;
else
- cur_page = cp1;
+ cur_folio = cp1;
} else if (cp1) {
- cur_page = cp1;
+ cur_folio = cp1;
} else if (cp2) {
- cur_page = cp2;
+ cur_folio = cp2;
} else {
+ err = -EFSCORRUPTED;
goto fail_no_cp;
}
- cp_block = (struct f2fs_checkpoint *)page_address(cur_page);
+ cp_block = folio_address(cur_folio);
memcpy(sbi->ckpt, cp_block, blk_size);
- /* Sanity checking of checkpoint */
- if (sanity_check_ckpt(sbi))
- goto free_fail_no_cp;
-
- if (cur_page == cp1)
+ if (cur_folio == cp1)
sbi->cur_cp_pack = 1;
else
sbi->cur_cp_pack = 2;
+ /* Sanity checking of checkpoint */
+ if (f2fs_sanity_check_ckpt(sbi)) {
+ err = -EFSCORRUPTED;
+ goto free_fail_no_cp;
+ }
+
if (cp_blks <= 1)
goto done;
cp_blk_no = le32_to_cpu(fsb->cp_blkaddr);
- if (cur_page == cp2)
- cp_blk_no += 1 << le32_to_cpu(fsb->log_blocks_per_seg);
+ if (cur_folio == cp2)
+ cp_blk_no += BIT(le32_to_cpu(fsb->log_blocks_per_seg));
for (i = 1; i < cp_blks; i++) {
void *sit_bitmap_ptr;
unsigned char *ckpt = (unsigned char *)sbi->ckpt;
- cur_page = get_meta_page(sbi, cp_blk_no + i);
- sit_bitmap_ptr = page_address(cur_page);
+ cur_folio = f2fs_get_meta_folio(sbi, cp_blk_no + i);
+ if (IS_ERR(cur_folio)) {
+ err = PTR_ERR(cur_folio);
+ goto free_fail_no_cp;
+ }
+ sit_bitmap_ptr = folio_address(cur_folio);
memcpy(ckpt + i * blk_size, sit_bitmap_ptr, blk_size);
- f2fs_put_page(cur_page, 1);
+ f2fs_folio_put(cur_folio, true);
}
done:
- f2fs_put_page(cp1, 1);
- f2fs_put_page(cp2, 1);
+ f2fs_folio_put(cp1, true);
+ f2fs_folio_put(cp2, true);
return 0;
free_fail_no_cp:
- f2fs_put_page(cp1, 1);
- f2fs_put_page(cp2, 1);
+ f2fs_folio_put(cp1, true);
+ f2fs_folio_put(cp2, true);
fail_no_cp:
- kfree(sbi->ckpt);
- return -EINVAL;
+ kvfree(sbi->ckpt);
+ return err;
}
static void __add_dirty_inode(struct inode *inode, enum inode_type type)
@@ -819,9 +1014,7 @@ static void __add_dirty_inode(struct inode *inode, enum inode_type type)
return;
set_inode_flag(inode, flag);
- if (!f2fs_is_volatile_file(inode))
- list_add_tail(&F2FS_I(inode)->dirty_list,
- &sbi->inode_list[type]);
+ list_add_tail(&F2FS_I(inode)->dirty_list, &sbi->inode_list[type]);
stat_inc_dirty_inode(sbi, type);
}
@@ -837,7 +1030,7 @@ static void __remove_dirty_inode(struct inode *inode, enum inode_type type)
stat_dec_dirty_inode(F2FS_I_SB(inode), type);
}
-void update_dirty_page(struct inode *inode, struct page *page)
+void f2fs_update_dirty_folio(struct inode *inode, struct folio *folio)
{
struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
enum inode_type type = S_ISDIR(inode->i_mode) ? DIR_INODE : FILE_INODE;
@@ -852,11 +1045,10 @@ void update_dirty_page(struct inode *inode, struct page *page)
inode_inc_dirty_pages(inode);
spin_unlock(&sbi->inode_lock[type]);
- SetPagePrivate(page);
- f2fs_trace_pid(page);
+ folio_set_f2fs_reference(folio);
}
-void remove_dirty_inode(struct inode *inode)
+void f2fs_remove_dirty_inode(struct inode *inode)
{
struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
enum inode_type type = S_ISDIR(inode->i_mode) ? DIR_INODE : FILE_INODE;
@@ -873,7 +1065,8 @@ void remove_dirty_inode(struct inode *inode)
spin_unlock(&sbi->inode_lock[type]);
}
-int 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;
@@ -885,8 +1078,12 @@ int sync_dirty_inodes(struct f2fs_sb_info *sbi, enum inode_type type)
get_pages(sbi, is_dir ?
F2FS_DIRTY_DENTS : F2FS_DIRTY_DATA));
retry:
- if (unlikely(f2fs_cp_error(sbi)))
+ if (unlikely(f2fs_cp_error(sbi))) {
+ trace_f2fs_sync_dirty_inodes_exit(sbi->sb, is_dir,
+ get_pages(sbi, is_dir ?
+ F2FS_DIRTY_DENTS : F2FS_DIRTY_DATA));
return -EIO;
+ }
spin_lock(&sbi->inode_lock[type]);
@@ -904,19 +1101,26 @@ retry:
if (inode) {
unsigned long cur_ino = inode->i_ino;
+ if (from_cp)
+ F2FS_I(inode)->cp_task = current;
+ F2FS_I(inode)->wb_task = current;
+
filemap_fdatawrite(inode->i_mapping);
+
+ 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. */
- if (ino == cur_ino) {
- congestion_wait(BLK_RW_ASYNC, HZ/50);
+ if (ino == cur_ino)
cond_resched();
- } else {
+ else
ino = cur_ino;
- }
} else {
/*
* We should submit bio, since it exists several
- * wribacking dentry pages in the freeing inode.
+ * writebacking dentry pages in the freeing inode.
*/
f2fs_submit_merged_write(sbi, DATA);
cond_resched();
@@ -924,7 +1128,7 @@ retry:
goto retry;
}
-int f2fs_sync_inode_meta(struct f2fs_sb_info *sbi)
+static int f2fs_sync_inode_meta(struct f2fs_sb_info *sbi)
{
struct list_head *head = &sbi->inode_list[DIRTY_META];
struct inode *inode;
@@ -949,10 +1153,10 @@ int f2fs_sync_inode_meta(struct f2fs_sb_info *sbi)
/* it's on eviction */
if (is_inode_flag_set(inode, FI_DIRTY_INODE))
- update_inode_page(inode);
+ f2fs_update_inode_page(inode);
iput(inode);
}
- };
+ }
return 0;
}
@@ -967,6 +1171,34 @@ static void __prepare_cp_block(struct f2fs_sb_info *sbi)
ckpt->valid_node_count = cpu_to_le32(valid_node_count(sbi));
ckpt->valid_inode_count = cpu_to_le32(valid_inode_count(sbi));
ckpt->next_free_nid = cpu_to_le32(last_nid);
+
+ /* update user_block_counts */
+ sbi->last_valid_block_count = sbi->total_valid_block_count;
+ percpu_counter_set(&sbi->alloc_valid_block_count, 0);
+ percpu_counter_set(&sbi->rf_node_block_count, 0);
+}
+
+static bool __need_flush_quota(struct f2fs_sb_info *sbi)
+{
+ bool ret = false;
+
+ if (!is_journalled_quota(sbi))
+ return false;
+
+ 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)) {
+ ret = false;
+ } else if (is_sbi_flag_set(sbi, SBI_QUOTA_NEED_FLUSH)) {
+ clear_sbi_flag(sbi, SBI_QUOTA_NEED_FLUSH);
+ ret = true;
+ } else if (get_pages(sbi, F2FS_DIRTY_QDATA)) {
+ ret = true;
+ }
+ f2fs_up_write(&sbi->quota_sem);
+ return ret;
}
/*
@@ -977,51 +1209,76 @@ static int block_operations(struct f2fs_sb_info *sbi)
struct writeback_control wbc = {
.sync_mode = WB_SYNC_ALL,
.nr_to_write = LONG_MAX,
- .for_reclaim = 0,
};
- struct blk_plug plug;
- int err = 0;
+ int err = 0, cnt = 0;
- blk_start_plug(&plug);
+ /*
+ * Let's flush inline_data in dirty node pages.
+ */
+ f2fs_flush_inline_data(sbi);
-retry_flush_dents:
+retry_flush_quotas:
f2fs_lock_all(sbi);
+ if (__need_flush_quota(sbi)) {
+ bool need_lock = sbi->umount_lock_holder != current;
+
+ if (++cnt > DEFAULT_RETRY_QUOTA_FLUSH_COUNT) {
+ set_sbi_flag(sbi, SBI_QUOTA_SKIP_FLUSH);
+ set_sbi_flag(sbi, SBI_QUOTA_NEED_FLUSH);
+ goto retry_flush_dents;
+ }
+ f2fs_unlock_all(sbi);
+
+ /* don't grab s_umount lock during mount/umount/remount/freeze/quotactl */
+ if (!need_lock) {
+ f2fs_do_quota_sync(sbi->sb, -1);
+ } else if (down_read_trylock(&sbi->sb->s_umount)) {
+ f2fs_do_quota_sync(sbi->sb, -1);
+ up_read(&sbi->sb->s_umount);
+ }
+ cond_resched();
+ goto retry_flush_quotas;
+ }
+
+retry_flush_dents:
/* write all the dirty dentry pages */
if (get_pages(sbi, F2FS_DIRTY_DENTS)) {
f2fs_unlock_all(sbi);
- err = sync_dirty_inodes(sbi, DIR_INODE);
+ err = f2fs_sync_dirty_inodes(sbi, DIR_INODE, true);
if (err)
- goto out;
+ return err;
cond_resched();
- goto retry_flush_dents;
+ goto retry_flush_quotas;
}
/*
* 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)
- goto out;
+ return err;
cond_resched();
- goto retry_flush_dents;
+ goto retry_flush_quotas;
}
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);
- err = sync_node_pages(sbi, &wbc);
+ 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);
- goto out;
+ return err;
}
cond_resched();
goto retry_flush_nodes;
@@ -1032,29 +1289,36 @@ retry_flush_nodes:
* dirty node blocks and some checkpoint values by block allocation.
*/
__prepare_cp_block(sbi);
- up_write(&sbi->node_change);
-out:
- blk_finish_plug(&plug);
+ 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);
}
-static void wait_on_all_pages_writeback(struct f2fs_sb_info *sbi)
+void f2fs_wait_on_all_pages(struct f2fs_sb_info *sbi, int type)
{
DEFINE_WAIT(wait);
for (;;) {
- prepare_to_wait(&sbi->cp_wait, &wait, TASK_UNINTERRUPTIBLE);
+ if (!get_pages(sbi, type))
+ break;
- if (!get_pages(sbi, F2FS_WB_CP_DATA))
+ if (unlikely(f2fs_cp_error(sbi) &&
+ !is_sbi_flag_set(sbi, SBI_IS_CLOSE)))
break;
- io_schedule_timeout(5*HZ);
+ 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_SCHEDULE_TIMEOUT);
}
finish_wait(&sbi->cp_wait, &wait);
}
@@ -1074,6 +1338,8 @@ static void update_ckpt_flags(struct f2fs_sb_info *sbi, struct cp_control *cpc)
if (cpc->reason & CP_TRIMMED)
__set_ckpt_flags(ckpt, CP_TRIMMED_FLAG);
+ else
+ __clear_ckpt_flags(ckpt, CP_TRIMMED_FLAG);
if (cpc->reason & CP_UMOUNT)
__set_ckpt_flags(ckpt, CP_UMOUNT_FLAG);
@@ -1093,12 +1359,117 @@ static void update_ckpt_flags(struct f2fs_sb_info *sbi, struct cp_control *cpc)
if (is_sbi_flag_set(sbi, SBI_NEED_FSCK))
__set_ckpt_flags(ckpt, CP_FSCK_FLAG);
+ if (is_sbi_flag_set(sbi, SBI_IS_RESIZEFS))
+ __set_ckpt_flags(ckpt, CP_RESIZEFS_FLAG);
+ else
+ __clear_ckpt_flags(ckpt, CP_RESIZEFS_FLAG);
+
+ if (is_sbi_flag_set(sbi, SBI_CP_DISABLED))
+ __set_ckpt_flags(ckpt, CP_DISABLED_FLAG);
+ else
+ __clear_ckpt_flags(ckpt, CP_DISABLED_FLAG);
+
+ if (is_sbi_flag_set(sbi, SBI_CP_DISABLED_QUICK))
+ __set_ckpt_flags(ckpt, CP_DISABLED_QUICK_FLAG);
+ else
+ __clear_ckpt_flags(ckpt, CP_DISABLED_QUICK_FLAG);
+
+ if (is_sbi_flag_set(sbi, SBI_QUOTA_SKIP_FLUSH))
+ __set_ckpt_flags(ckpt, CP_QUOTA_NEED_FSCK_FLAG);
+ else
+ __clear_ckpt_flags(ckpt, CP_QUOTA_NEED_FSCK_FLAG);
+
+ if (is_sbi_flag_set(sbi, SBI_QUOTA_NEED_REPAIR))
+ __set_ckpt_flags(ckpt, CP_QUOTA_NEED_FSCK_FLAG);
+
/* set this flag to activate crc|cp_ver for recovery */
__set_ckpt_flags(ckpt, CP_CRC_RECOVERY_FLAG);
+ __clear_ckpt_flags(ckpt, CP_NOCRC_RECOVERY_FLAG);
spin_unlock_irqrestore(&sbi->cp_lock, flags);
}
+static void commit_checkpoint(struct f2fs_sb_info *sbi,
+ void *src, block_t blk_addr)
+{
+ struct writeback_control wbc = {};
+
+ /*
+ * filemap_get_folios_tag and folio_lock again will take
+ * some extra time. Therefore, f2fs_update_meta_pages and
+ * f2fs_sync_meta_pages are combined in this function.
+ */
+ struct folio *folio = f2fs_grab_meta_folio(sbi, blk_addr);
+
+ memcpy(folio_address(folio), src, PAGE_SIZE);
+
+ folio_mark_dirty(folio);
+ if (unlikely(!folio_clear_dirty_for_io(folio)))
+ f2fs_bug_on(sbi, 1);
+
+ /* writeout cp pack 2 page */
+ if (unlikely(!__f2fs_write_meta_folio(folio, &wbc, FS_CP_META_IO))) {
+ if (f2fs_cp_error(sbi)) {
+ f2fs_folio_put(folio, true);
+ return;
+ }
+ f2fs_bug_on(sbi, true);
+ }
+
+ f2fs_folio_put(folio, false);
+
+ /* submit checkpoint (with barrier if NOBARRIER is not set) */
+ f2fs_submit_merged_write(sbi, META_FLUSH);
+}
+
+static inline u64 get_sectors_written(struct block_device *bdev)
+{
+ return (u64)part_stat_read(bdev, 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 inline void stat_cp_time(struct cp_control *cpc, enum cp_time type)
+{
+ cpc->stats.times[type] = ktime_get();
+}
+
+static inline void check_cp_time(struct f2fs_sb_info *sbi, struct cp_control *cpc)
+{
+ unsigned long long sb_diff, cur_diff;
+ enum cp_time ct;
+
+ sb_diff = (u64)ktime_ms_delta(sbi->cp_stats.times[CP_TIME_END],
+ sbi->cp_stats.times[CP_TIME_START]);
+ cur_diff = (u64)ktime_ms_delta(cpc->stats.times[CP_TIME_END],
+ cpc->stats.times[CP_TIME_START]);
+
+ if (cur_diff > sb_diff) {
+ sbi->cp_stats = cpc->stats;
+ if (cur_diff < CP_LONG_LATENCY_THRESHOLD)
+ return;
+
+ f2fs_warn(sbi, "checkpoint was blocked for %llu ms", cur_diff);
+ for (ct = CP_TIME_START; ct < CP_TIME_MAX - 1; ct++)
+ f2fs_warn(sbi, "Step#%d: %llu ms", ct,
+ (u64)ktime_ms_delta(cpc->stats.times[ct + 1],
+ cpc->stats.times[ct]));
+ }
+}
+
static int do_checkpoint(struct f2fs_sb_info *sbi, struct cp_control *cpc)
{
struct f2fs_checkpoint *ckpt = F2FS_CKPT(sbi);
@@ -1109,42 +1480,35 @@ static int do_checkpoint(struct f2fs_sb_info *sbi, struct cp_control *cpc)
__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;
/* Flush all the NAT/SIT pages */
- while (get_pages(sbi, F2FS_DIRTY_META)) {
- sync_meta_pages(sbi, META, LONG_MAX);
- if (unlikely(f2fs_cp_error(sbi)))
- return -EIO;
- }
+ f2fs_sync_meta_pages(sbi, META, LONG_MAX, FS_CP_META_IO);
- /*
- * modify checkpoint
- * version number is already updated
- */
- ckpt->elapsed_time = cpu_to_le64(get_mtime(sbi));
+ stat_cp_time(cpc, CP_TIME_SYNC_META);
+
+ /* start to update checkpoint, cp ver is already updated previously */
+ ckpt->elapsed_time = cpu_to_le64(get_mtime(sbi, true));
ckpt->free_segment_count = cpu_to_le32(free_segments(sbi));
for (i = 0; i < NR_CURSEG_NODE_TYPE; i++) {
- ckpt->cur_node_segno[i] =
- cpu_to_le32(curseg_segno(sbi, i + CURSEG_HOT_NODE));
- ckpt->cur_node_blkoff[i] =
- cpu_to_le16(curseg_blkoff(sbi, i + CURSEG_HOT_NODE));
- ckpt->alloc_type[i + CURSEG_HOT_NODE] =
- curseg_alloc_type(sbi, i + CURSEG_HOT_NODE);
+ struct curseg_info *curseg = CURSEG_I(sbi, i + CURSEG_HOT_NODE);
+
+ ckpt->cur_node_segno[i] = cpu_to_le32(curseg->segno);
+ ckpt->cur_node_blkoff[i] = cpu_to_le16(curseg->next_blkoff);
+ ckpt->alloc_type[i + CURSEG_HOT_NODE] = curseg->alloc_type;
}
for (i = 0; i < NR_CURSEG_DATA_TYPE; i++) {
- ckpt->cur_data_segno[i] =
- cpu_to_le32(curseg_segno(sbi, i + CURSEG_HOT_DATA));
- ckpt->cur_data_blkoff[i] =
- cpu_to_le16(curseg_blkoff(sbi, i + CURSEG_HOT_DATA));
- ckpt->alloc_type[i + CURSEG_HOT_DATA] =
- curseg_alloc_type(sbi, i + CURSEG_HOT_DATA);
+ struct curseg_info *curseg = CURSEG_I(sbi, i + CURSEG_HOT_DATA);
+
+ ckpt->cur_data_segno[i] = cpu_to_le32(curseg->segno);
+ ckpt->cur_data_blkoff[i] = cpu_to_le16(curseg->next_blkoff);
+ ckpt->alloc_type[i + CURSEG_HOT_DATA] = curseg->alloc_type;
}
- /* 2 cp + n data seg summary + orphan inode blocks */
- data_sum_blocks = npages_for_summary_flush(sbi, false);
+ /* 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)
__set_ckpt_flags(ckpt, CP_COMPACT_SUM_FLAG);
@@ -1157,7 +1521,7 @@ static int do_checkpoint(struct f2fs_sb_info *sbi, struct cp_control *cpc)
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
@@ -1172,7 +1536,7 @@ static int do_checkpoint(struct f2fs_sb_info *sbi, struct cp_control *cpc)
get_sit_bitmap(sbi, __bitmap_ptr(sbi, SIT_BITMAP));
get_nat_bitmap(sbi, __bitmap_ptr(sbi, NAT_BITMAP));
- crc32 = f2fs_crc32(sbi, ckpt, le32_to_cpu(ckpt->checksum_offset));
+ crc32 = f2fs_checkpoint_chksum(ckpt);
*((__le32 *)((unsigned char *)ckpt +
le32_to_cpu(ckpt->checksum_offset)))
= cpu_to_le32(crc32);
@@ -1187,29 +1551,17 @@ 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++)
- update_meta_page(sbi, nm_i->nat_bits +
- (i << F2FS_BLKSIZE_BITS), blk + i);
-
- /* Flush all the NAT BITS pages */
- while (get_pages(sbi, F2FS_DIRTY_META)) {
- sync_meta_pages(sbi, META, LONG_MAX);
- if (unlikely(f2fs_cp_error(sbi)))
- return -EIO;
- }
+ f2fs_update_meta_page(sbi, nm_i->nat_bits +
+ F2FS_BLK_TO_BYTES(i), blk + i);
}
- /* need to wait for end_io results */
- wait_on_all_pages_writeback(sbi);
- if (unlikely(f2fs_cp_error(sbi)))
- return -EIO;
-
/* write out checkpoint buffer at block 0 */
- update_meta_page(sbi, ckpt, start_blk++);
+ f2fs_update_meta_page(sbi, ckpt, start_blk++);
for (i = 1; i < 1 + cp_payload_blks; i++)
- update_meta_page(sbi, (char *)ckpt + i * F2FS_BLKSIZE,
+ f2fs_update_meta_page(sbi, (char *)ckpt + i * F2FS_BLKSIZE,
start_blk++);
if (orphan_num) {
@@ -1217,50 +1569,65 @@ static int do_checkpoint(struct f2fs_sb_info *sbi, struct cp_control *cpc)
start_blk += orphan_blocks;
}
- write_data_summaries(sbi, start_blk);
+ f2fs_write_data_summaries(sbi, start_blk);
start_blk += data_sum_blocks;
/* 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)) {
- write_node_summaries(sbi, start_blk);
+ f2fs_write_node_summaries(sbi, start_blk);
start_blk += NR_CURSEG_NODE_TYPE;
}
- /* writeout checkpoint block */
- update_meta_page(sbi, ckpt, start_blk);
+ /* Here, we have one bio having CP pack except cp pack 2 page */
+ f2fs_sync_meta_pages(sbi, META, LONG_MAX, FS_CP_META_IO);
+ stat_cp_time(cpc, CP_TIME_SYNC_CP_META);
- /* wait for previous submitted node/meta pages writeback */
- wait_on_all_pages_writeback(sbi);
-
- if (unlikely(f2fs_cp_error(sbi)))
- return -EIO;
+ /* Wait for all dirty meta pages to be submitted for IO */
+ f2fs_wait_on_all_pages(sbi, F2FS_DIRTY_META);
+ stat_cp_time(cpc, CP_TIME_WAIT_DIRTY_META);
- filemap_fdatawait_range(NODE_MAPPING(sbi), 0, LLONG_MAX);
- filemap_fdatawait_range(META_MAPPING(sbi), 0, LLONG_MAX);
+ /* wait for previous submitted meta pages writeback */
+ f2fs_wait_on_all_pages(sbi, F2FS_WB_CP_DATA);
+ stat_cp_time(cpc, CP_TIME_WAIT_CP_DATA);
- /* update user_block_counts */
- sbi->last_valid_block_count = sbi->total_valid_block_count;
- percpu_counter_set(&sbi->alloc_valid_block_count, 0);
+ /* flush all device cache */
+ err = f2fs_flush_device_cache(sbi);
+ if (err)
+ return err;
+ stat_cp_time(cpc, CP_TIME_FLUSH_DEVICE);
- /* Here, we only have one bio having CP pack */
- sync_meta_pages(sbi, META_FLUSH, LONG_MAX);
+ /* barrier and flush checkpoint cp pack 2 page if it can */
+ commit_checkpoint(sbi, ckpt, start_blk);
+ f2fs_wait_on_all_pages(sbi, F2FS_WB_CP_DATA);
+ stat_cp_time(cpc, CP_TIME_WAIT_LAST_CP);
- /* wait for previous submitted meta pages writeback */
- wait_on_all_pages_writeback(sbi);
+ /*
+ * invalidate intermediate page cache borrowed from meta inode which are
+ * used for migration of encrypted, verity or compressed inode's blocks.
+ */
+ if (f2fs_sb_has_encrypt(sbi) || f2fs_sb_has_verity(sbi) ||
+ f2fs_sb_has_compression(sbi))
+ f2fs_bug_on(sbi,
+ invalidate_inode_pages2_range(META_MAPPING(sbi),
+ MAIN_BLKADDR(sbi), MAX_BLKADDR(sbi) - 1));
- release_ino_entry(sbi, false);
+ f2fs_release_ino_entry(sbi, false);
- if (unlikely(f2fs_cp_error(sbi)))
- return -EIO;
+ f2fs_reset_fsync_node_info(sbi);
clear_sbi_flag(sbi, SBI_IS_DIRTY);
clear_sbi_flag(sbi, SBI_NEED_CP);
+ clear_sbi_flag(sbi, SBI_QUOTA_SKIP_FLUSH);
+
+ spin_lock(&sbi->stat_lock);
+ sbi->unusable_block_count = 0;
+ spin_unlock(&sbi->stat_lock);
+
__set_cp_next_pack(sbi);
/*
@@ -1273,19 +1640,29 @@ static int do_checkpoint(struct f2fs_sb_info *sbi, struct cp_control *cpc)
f2fs_bug_on(sbi, get_pages(sbi, F2FS_DIRTY_DENTS));
- return 0;
+ return unlikely(f2fs_cp_error(sbi)) ? -EIO : 0;
}
-/*
- * We guarantee that this checkpoint procedure will not fail.
- */
-int write_checkpoint(struct f2fs_sb_info *sbi, struct cp_control *cpc)
+int f2fs_write_checkpoint(struct f2fs_sb_info *sbi, struct cp_control *cpc)
{
struct f2fs_checkpoint *ckpt = F2FS_CKPT(sbi);
unsigned long long ckpt_ver;
int err = 0;
- mutex_lock(&sbi->cp_mutex);
+ stat_cp_time(cpc, CP_TIME_START);
+
+ if (f2fs_readonly(sbi->sb) || f2fs_hw_is_readonly(sbi))
+ return -EROFS;
+
+ if (unlikely(is_sbi_flag_set(sbi, SBI_CP_DISABLED))) {
+ if (cpc->reason != CP_PAUSE)
+ return 0;
+ f2fs_warn(sbi, "Start checkpoint disabled!");
+ }
+ if (cpc->reason != CP_RESIZE)
+ f2fs_down_write(&sbi->cp_global_sem);
+
+ stat_cp_time(cpc, CP_TIME_LOCK);
if (!is_sbi_flag_set(sbi, SBI_IS_DIRTY) &&
((cpc->reason & CP_FASTBOOT) || (cpc->reason & CP_SYNC) ||
@@ -1295,33 +1672,31 @@ int write_checkpoint(struct f2fs_sb_info *sbi, struct cp_control *cpc)
err = -EIO;
goto out;
}
- if (f2fs_readonly(sbi->sb)) {
- err = -EROFS;
- goto out;
- }
- trace_f2fs_write_checkpoint(sbi->sb, cpc->reason, "start block_ops");
+ trace_f2fs_write_checkpoint(sbi->sb, cpc->reason, CP_PHASE_START_BLOCK_OPS);
err = block_operations(sbi);
if (err)
goto out;
- trace_f2fs_write_checkpoint(sbi->sb, cpc->reason, "finish block_ops");
+ stat_cp_time(cpc, CP_TIME_OP_LOCK);
+
+ trace_f2fs_write_checkpoint(sbi->sb, cpc->reason, CP_PHASE_FINISH_BLOCK_OPS);
f2fs_flush_merged_writes(sbi);
/* this is the case of multiple fstrims without any changes */
if (cpc->reason & CP_DISCARD) {
- if (!exist_trim_candidates(sbi, cpc)) {
+ if (!f2fs_exist_trim_candidates(sbi, cpc)) {
unblock_operations(sbi);
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) {
- flush_sit_entries(sbi, cpc);
- clear_prefree_segments(sbi, cpc);
+ f2fs_flush_sit_entries(sbi, cpc);
+ f2fs_clear_prefree_segments(sbi, cpc);
unblock_operations(sbi);
goto out;
}
@@ -1336,32 +1711,50 @@ int write_checkpoint(struct f2fs_sb_info *sbi, struct cp_control *cpc)
ckpt->checkpoint_ver = cpu_to_le64(++ckpt_ver);
/* write cached NAT/SIT entries to NAT/SIT area */
- flush_nat_entries(sbi, cpc);
- flush_sit_entries(sbi, cpc);
+ err = f2fs_flush_nat_entries(sbi, cpc);
+ if (err) {
+ f2fs_err(sbi, "f2fs_flush_nat_entries failed err:%d, stop checkpoint", err);
+ f2fs_bug_on(sbi, !f2fs_cp_error(sbi));
+ goto stop;
+ }
+
+ f2fs_flush_sit_entries(sbi, cpc);
+
+ stat_cp_time(cpc, CP_TIME_FLUSH_META);
+
+ /* save inmem log status */
+ f2fs_save_inmem_curseg(sbi);
- /* unlock all the fs_lock[] in do_checkpoint() */
err = do_checkpoint(sbi, cpc);
- if (err)
- release_discard_addrs(sbi);
- else
- clear_prefree_segments(sbi, cpc);
+ if (err) {
+ f2fs_err(sbi, "do_checkpoint failed err:%d, stop checkpoint", err);
+ f2fs_bug_on(sbi, !f2fs_cp_error(sbi));
+ f2fs_release_discard_addrs(sbi);
+ } else {
+ f2fs_clear_prefree_segments(sbi, cpc);
+ }
+ f2fs_restore_inmem_curseg(sbi);
+ f2fs_reinit_atgc_curseg(sbi);
+ stat_inc_cp_count(sbi);
+stop:
unblock_operations(sbi);
- stat_inc_cp_count(sbi->stat_info);
+ stat_cp_time(cpc, CP_TIME_END);
+ check_cp_time(sbi, cpc);
if (cpc->reason & CP_RECOVERY)
- f2fs_msg(sbi->sb, KERN_NOTICE,
- "checkpoint: version = %llx", ckpt_ver);
+ f2fs_notice(sbi, "checkpoint: version = %llx", ckpt_ver);
- /* do checkpoint periodically */
+ /* update CP_TIME to trigger checkpoint periodically */
f2fs_update_time(sbi, CP_TIME);
- trace_f2fs_write_checkpoint(sbi->sb, cpc->reason, "finish checkpoint");
+ trace_f2fs_write_checkpoint(sbi->sb, cpc->reason, CP_PHASE_FINISH_CHECKPOINT);
out:
- mutex_unlock(&sbi->cp_mutex);
+ if (cpc->reason != CP_RESIZE)
+ f2fs_up_write(&sbi->cp_global_sem);
return err;
}
-void init_ino_entry_info(struct f2fs_sb_info *sbi)
+void f2fs_init_ino_entry_info(struct f2fs_sb_info *sbi)
{
int i;
@@ -1374,28 +1767,225 @@ void init_ino_entry_info(struct f2fs_sb_info *sbi)
im->ino_num = 0;
}
- sbi->max_orphans = (sbi->blocks_per_seg - F2FS_CP_PACKS -
- NR_CURSEG_TYPE - __cp_payload(sbi)) *
- F2FS_ORPHANS_PER_BLOCK;
+ sbi->max_orphans = (BLKS_PER_SEG(sbi) - F2FS_CP_PACKS -
+ NR_CURSEG_PERSIST_TYPE - __cp_payload(sbi)) *
+ F2FS_ORPHANS_PER_BLOCK;
}
-int __init create_checkpoint_caches(void)
+int __init f2fs_create_checkpoint_caches(void)
{
ino_entry_slab = f2fs_kmem_cache_create("f2fs_ino_entry",
sizeof(struct ino_entry));
if (!ino_entry_slab)
return -ENOMEM;
- inode_entry_slab = f2fs_kmem_cache_create("f2fs_inode_entry",
+ f2fs_inode_entry_slab = f2fs_kmem_cache_create("f2fs_inode_entry",
sizeof(struct inode_entry));
- if (!inode_entry_slab) {
+ if (!f2fs_inode_entry_slab) {
kmem_cache_destroy(ino_entry_slab);
return -ENOMEM;
}
return 0;
}
-void destroy_checkpoint_caches(void)
+void f2fs_destroy_checkpoint_caches(void)
{
kmem_cache_destroy(ino_entry_slab);
- kmem_cache_destroy(inode_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;
+ req->delta_time = diff;
+ 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 ||
+ sbi->umount_lock_holder == current) {
+ 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);
+
+ if (unlikely(req.delta_time >= CP_LONG_LATENCY_THRESHOLD)) {
+ f2fs_warn_ratelimited(sbi,
+ "blocked on checkpoint for %u ms", cprc->peak_time);
+ dump_stack();
+ }
+
+ 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)) {
+ int err = PTR_ERR(cprc->f2fs_issue_ckpt);
+
+ cprc->f2fs_issue_ckpt = NULL;
+ return err;
+ }
+
+ 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_SCHEDULE_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);
}
generated by cgit (git 2.34.1) at 2025-12-25 00:21:02 +0000