static struct kmem_cache *ino_entry_slab;
struct kmem_cache *inode_entry_slab;
+void f2fs_stop_checkpoint(struct f2fs_sb_info *sbi, bool end_io)
+{
+ set_ckpt_flags(sbi, CP_ERROR_FLAG);
+ sbi->sb->s_flags |= MS_RDONLY;
+ if (!end_io)
+ f2fs_flush_merged_bios(sbi);
+}
+
/*
* We guarantee no failure on the returned page.
*/
struct address_space *mapping = META_MAPPING(sbi);
struct page *page = NULL;
repeat:
- page = grab_cache_page(mapping, index);
+ page = f2fs_grab_cache_page(mapping, index, false);
if (!page) {
cond_resched();
goto repeat;
}
- f2fs_wait_on_page_writeback(page, META);
- SetPageUptodate(page);
+ f2fs_wait_on_page_writeback(page, META, true);
+ if (!PageUptodate(page))
+ SetPageUptodate(page);
return page;
}
struct f2fs_io_info fio = {
.sbi = sbi,
.type = META,
- .rw = READ_SYNC | REQ_META | REQ_PRIO,
- .blk_addr = index,
+ .op = REQ_OP_READ,
+ .op_flags = REQ_SYNC | REQ_META | REQ_PRIO,
+ .old_blkaddr = index,
+ .new_blkaddr = index,
.encrypted_page = NULL,
};
if (unlikely(!is_meta))
- fio.rw &= ~REQ_META;
+ fio.op_flags &= ~REQ_META;
repeat:
- page = grab_cache_page(mapping, index);
+ page = f2fs_grab_cache_page(mapping, index, false);
if (!page) {
cond_resched();
goto repeat;
* meta page.
*/
if (unlikely(!PageUptodate(page)))
- f2fs_stop_checkpoint(sbi);
+ f2fs_stop_checkpoint(sbi, false);
out:
return page;
}
int ra_meta_pages(struct f2fs_sb_info *sbi, block_t start, int nrpages,
int type, bool sync)
{
- block_t prev_blk_addr = 0;
struct page *page;
block_t blkno = start;
struct f2fs_io_info fio = {
.sbi = sbi,
.type = META,
- .rw = sync ? (READ_SYNC | REQ_META | REQ_PRIO) : READA,
+ .op = REQ_OP_READ,
+ .op_flags = sync ? (REQ_SYNC | REQ_META | REQ_PRIO) :
+ REQ_RAHEAD,
.encrypted_page = NULL,
};
+ struct blk_plug plug;
if (unlikely(type == META_POR))
- fio.rw &= ~REQ_META;
+ fio.op_flags &= ~REQ_META;
+ blk_start_plug(&plug);
for (; nrpages-- > 0; blkno++) {
if (!is_valid_blkaddr(sbi, blkno, type))
NAT_BLOCK_OFFSET(NM_I(sbi)->max_nid)))
blkno = 0;
/* get nat block addr */
- fio.blk_addr = current_nat_addr(sbi,
+ fio.new_blkaddr = current_nat_addr(sbi,
blkno * NAT_ENTRY_PER_BLOCK);
break;
case META_SIT:
/* get sit block addr */
- fio.blk_addr = current_sit_addr(sbi,
+ fio.new_blkaddr = current_sit_addr(sbi,
blkno * SIT_ENTRY_PER_BLOCK);
- if (blkno != start && prev_blk_addr + 1 != fio.blk_addr)
- goto out;
- prev_blk_addr = fio.blk_addr;
break;
case META_SSA:
case META_CP:
case META_POR:
- fio.blk_addr = blkno;
+ fio.new_blkaddr = blkno;
break;
default:
BUG();
}
- page = grab_cache_page(META_MAPPING(sbi), fio.blk_addr);
+ page = f2fs_grab_cache_page(META_MAPPING(sbi),
+ fio.new_blkaddr, false);
if (!page)
continue;
if (PageUptodate(page)) {
}
fio.page = page;
+ fio.old_blkaddr = fio.new_blkaddr;
f2fs_submit_page_mbio(&fio);
f2fs_put_page(page, 0);
}
out:
f2fs_submit_merged_bio(sbi, META, READ);
+ blk_finish_plug(&plug);
return blkno - start;
}
bool readahead = false;
page = find_get_page(META_MAPPING(sbi), index);
- if (!page || (page && !PageUptodate(page)))
+ if (!page || !PageUptodate(page))
readahead = true;
f2fs_put_page(page, 0);
if (readahead)
- ra_meta_pages(sbi, index, MAX_BIO_BLOCKS(sbi), META_POR, true);
+ ra_meta_pages(sbi, index, BIO_MAX_PAGES, META_POR, true);
}
static int f2fs_write_meta_page(struct page *page,
if (unlikely(f2fs_cp_error(sbi)))
goto redirty_out;
- f2fs_wait_on_page_writeback(page, META);
write_meta_page(sbi, page);
dec_page_count(sbi, F2FS_DIRTY_META);
- unlock_page(page);
if (wbc->for_reclaim)
+ f2fs_submit_merged_bio_cond(sbi, NULL, page, 0, META, WRITE);
+
+ unlock_page(page);
+
+ if (unlikely(f2fs_cp_error(sbi)))
f2fs_submit_merged_bio(sbi, META, WRITE);
+
return 0;
redirty_out:
struct f2fs_sb_info *sbi = F2FS_M_SB(mapping);
long diff, written;
- trace_f2fs_writepages(mapping->host, wbc, META);
-
/* 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))
goto skip_write;
+ trace_f2fs_writepages(mapping->host, wbc, META);
+
/* if mounting is failed, skip writing node pages */
mutex_lock(&sbi->cp_mutex);
diff = nr_pages_to_write(sbi, META, wbc);
skip_write:
wbc->pages_skipped += get_pages(sbi, F2FS_DIRTY_META);
+ trace_f2fs_writepages(mapping->host, wbc, META);
return 0;
}
long nr_to_write)
{
struct address_space *mapping = META_MAPPING(sbi);
- pgoff_t index = 0, end = LONG_MAX, prev = LONG_MAX;
+ pgoff_t index = 0, end = ULONG_MAX, prev = ULONG_MAX;
struct pagevec pvec;
long nwritten = 0;
struct writeback_control wbc = {
.for_reclaim = 0,
};
+ struct blk_plug plug;
pagevec_init(&pvec, 0);
+ blk_start_plug(&plug);
+
while (index <= end) {
int i, nr_pages;
nr_pages = pagevec_lookup_tag(&pvec, mapping, &index,
for (i = 0; i < nr_pages; i++) {
struct page *page = pvec.pages[i];
- if (prev == LONG_MAX)
+ if (prev == ULONG_MAX)
prev = page->index - 1;
if (nr_to_write != LONG_MAX && page->index != prev + 1) {
pagevec_release(&pvec);
goto continue_unlock;
}
+ f2fs_wait_on_page_writeback(page, META, true);
+
+ BUG_ON(PageWriteback(page));
if (!clear_page_dirty_for_io(page))
goto continue_unlock;
if (nwritten)
f2fs_submit_merged_bio(sbi, type, WRITE);
+ blk_finish_plug(&plug);
+
return nwritten;
}
{
trace_f2fs_set_page_dirty(page, META);
- SetPageUptodate(page);
+ if (!PageUptodate(page))
+ SetPageUptodate(page);
if (!PageDirty(page)) {
- __set_page_dirty_nobuffers(page);
+ f2fs_set_page_dirty_nobuffers(page);
inc_page_count(F2FS_P_SB(page), F2FS_DIRTY_META);
SetPagePrivate(page);
f2fs_trace_pid(page);
.set_page_dirty = f2fs_set_meta_page_dirty,
.invalidatepage = f2fs_invalidate_page,
.releasepage = f2fs_release_page,
+#ifdef CONFIG_MIGRATION
+ .migratepage = f2fs_migrate_page,
+#endif
};
static void __add_ino_entry(struct f2fs_sb_info *sbi, nid_t ino, int type)
spin_unlock(&im->ino_lock);
}
-void add_dirty_inode(struct f2fs_sb_info *sbi, nid_t ino, int type)
+void 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);
}
-void remove_dirty_inode(struct f2fs_sb_info *sbi, nid_t ino, int type)
+void 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);
return e ? true : false;
}
-void release_dirty_inode(struct f2fs_sb_info *sbi)
+void release_ino_entry(struct f2fs_sb_info *sbi, bool all)
{
struct ino_entry *e, *tmp;
int i;
- for (i = APPEND_INO; i <= UPDATE_INO; i++) {
+ for (i = all ? ORPHAN_INO: APPEND_INO; i <= UPDATE_INO; i++) {
struct inode_management *im = &sbi->im[i];
spin_lock(&im->ino_lock);
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);
+ return -ENOSPC;
+ }
+#endif
if (unlikely(im->ino_num >= sbi->max_orphans))
err = -ENOSPC;
else
spin_unlock(&im->ino_lock);
}
-void add_orphan_inode(struct f2fs_sb_info *sbi, nid_t ino)
+void add_orphan_inode(struct inode *inode)
{
/* add new orphan ino entry into list */
- __add_ino_entry(sbi, ino, ORPHAN_INO);
+ __add_ino_entry(F2FS_I_SB(inode), inode->i_ino, ORPHAN_INO);
+ update_inode_page(inode);
}
void remove_orphan_inode(struct f2fs_sb_info *sbi, nid_t ino)
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);
- inode = f2fs_iget(sbi->sb, ino);
+ inode = f2fs_iget_retry(sbi->sb, ino);
if (IS_ERR(inode)) {
/*
* there should be a bug that we can't find the entry
/* truncate all the data during iput */
iput(inode);
+
+ get_node_info(sbi, ino, &ni);
+
+ /* 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), run fsck to fix.",
+ __func__, ino);
+ return -EIO;
+ }
+ __remove_ino_entry(sbi, ino, ORPHAN_INO);
return 0;
}
block_t start_blk, orphan_blocks, i, j;
int err;
- if (!is_set_ckpt_flags(F2FS_CKPT(sbi), CP_ORPHAN_PRESENT_FLAG))
+ if (!is_set_ckpt_flags(sbi, CP_ORPHAN_PRESENT_FLAG))
return 0;
start_blk = __start_cp_addr(sbi) + 1 + __cp_payload(sbi);
f2fs_put_page(page, 1);
}
/* clear Orphan Flag */
- clear_ckpt_flags(F2FS_CKPT(sbi), CP_ORPHAN_PRESENT_FLAG);
+ clear_ckpt_flags(sbi, CP_ORPHAN_PRESENT_FLAG);
return 0;
}
}
}
-static struct page *validate_checkpoint(struct f2fs_sb_info *sbi,
- block_t cp_addr, unsigned long long *version)
+static int get_checkpoint_version(struct f2fs_sb_info *sbi, block_t cp_addr,
+ struct f2fs_checkpoint **cp_block, struct page **cp_page,
+ unsigned long long *version)
{
- struct page *cp_page_1, *cp_page_2 = NULL;
unsigned long blk_size = sbi->blocksize;
- struct f2fs_checkpoint *cp_block;
- unsigned long long cur_version = 0, pre_version = 0;
- size_t crc_offset;
+ size_t crc_offset = 0;
__u32 crc = 0;
- /* Read the 1st cp block in this CP pack */
- cp_page_1 = get_meta_page(sbi, cp_addr);
+ *cp_page = get_meta_page(sbi, cp_addr);
+ *cp_block = (struct f2fs_checkpoint *)page_address(*cp_page);
- /* get the version number */
- cp_block = (struct f2fs_checkpoint *)page_address(cp_page_1);
- crc_offset = le32_to_cpu(cp_block->checksum_offset);
- if (crc_offset >= blk_size)
- goto invalid_cp1;
+ crc_offset = le32_to_cpu((*cp_block)->checksum_offset);
+ if (crc_offset >= blk_size) {
+ f2fs_msg(sbi->sb, KERN_WARNING,
+ "invalid crc_offset: %zu", crc_offset);
+ return -EINVAL;
+ }
- crc = le32_to_cpu(*((__le32 *)((unsigned char *)cp_block + crc_offset)));
- if (!f2fs_crc_valid(crc, cp_block, crc_offset))
- goto invalid_cp1;
+ crc = le32_to_cpu(*((__le32 *)((unsigned char *)*cp_block
+ + crc_offset)));
+ if (!f2fs_crc_valid(sbi, crc, *cp_block, crc_offset)) {
+ f2fs_msg(sbi->sb, KERN_WARNING, "invalid crc value");
+ return -EINVAL;
+ }
- pre_version = cur_cp_version(cp_block);
+ *version = cur_cp_version(*cp_block);
+ return 0;
+}
- /* Read the 2nd cp block in this CP pack */
- cp_addr += le32_to_cpu(cp_block->cp_pack_total_block_count) - 1;
- cp_page_2 = get_meta_page(sbi, cp_addr);
+static struct page *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 f2fs_checkpoint *cp_block = NULL;
+ unsigned long long cur_version = 0, pre_version = 0;
+ int err;
- cp_block = (struct f2fs_checkpoint *)page_address(cp_page_2);
- crc_offset = le32_to_cpu(cp_block->checksum_offset);
- if (crc_offset >= blk_size)
- goto invalid_cp2;
+ err = get_checkpoint_version(sbi, cp_addr, &cp_block,
+ &cp_page_1, version);
+ if (err)
+ goto invalid_cp1;
+ pre_version = *version;
- crc = le32_to_cpu(*((__le32 *)((unsigned char *)cp_block + crc_offset)));
- if (!f2fs_crc_valid(crc, cp_block, crc_offset))
+ cp_addr += le32_to_cpu(cp_block->cp_pack_total_block_count) - 1;
+ err = get_checkpoint_version(sbi, cp_addr, &cp_block,
+ &cp_page_2, version);
+ if (err)
goto invalid_cp2;
-
- cur_version = cur_cp_version(cp_block);
+ cur_version = *version;
if (cur_version == pre_version) {
*version = cur_version;
cp_block = (struct f2fs_checkpoint *)page_address(cur_page);
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)
+ sbi->cur_cp_pack = 1;
+ else
+ sbi->cur_cp_pack = 2;
+
if (cp_blks <= 1)
goto done;
f2fs_put_page(cp2, 1);
return 0;
+free_fail_no_cp:
+ f2fs_put_page(cp1, 1);
+ f2fs_put_page(cp2, 1);
fail_no_cp:
kfree(sbi->ckpt);
return -EINVAL;
}
-static int __add_dirty_inode(struct inode *inode, struct inode_entry *new)
+static void __add_dirty_inode(struct inode *inode, enum inode_type type)
{
struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
+ int flag = (type == DIR_INODE) ? FI_DIRTY_DIR : FI_DIRTY_FILE;
- if (is_inode_flag_set(F2FS_I(inode), FI_DIRTY_DIR))
- return -EEXIST;
+ if (is_inode_flag_set(inode, flag))
+ return;
- set_inode_flag(F2FS_I(inode), FI_DIRTY_DIR);
- F2FS_I(inode)->dirty_dir = new;
- list_add_tail(&new->list, &sbi->dir_inode_list);
- stat_inc_dirty_dir(sbi);
- return 0;
+ set_inode_flag(inode, flag);
+ list_add_tail(&F2FS_I(inode)->dirty_list, &sbi->inode_list[type]);
+ stat_inc_dirty_inode(sbi, type);
+}
+
+static void __remove_dirty_inode(struct inode *inode, enum inode_type type)
+{
+ int flag = (type == DIR_INODE) ? FI_DIRTY_DIR : FI_DIRTY_FILE;
+
+ if (get_dirty_pages(inode) || !is_inode_flag_set(inode, flag))
+ return;
+
+ list_del_init(&F2FS_I(inode)->dirty_list);
+ clear_inode_flag(inode, flag);
+ stat_dec_dirty_inode(F2FS_I_SB(inode), type);
}
void update_dirty_page(struct inode *inode, struct page *page)
{
struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
- struct inode_entry *new;
- int ret = 0;
+ enum inode_type type = S_ISDIR(inode->i_mode) ? DIR_INODE : FILE_INODE;
if (!S_ISDIR(inode->i_mode) && !S_ISREG(inode->i_mode) &&
!S_ISLNK(inode->i_mode))
return;
- if (!S_ISDIR(inode->i_mode)) {
- inode_inc_dirty_pages(inode);
- goto out;
- }
-
- new = f2fs_kmem_cache_alloc(inode_entry_slab, GFP_NOFS);
- new->inode = inode;
- INIT_LIST_HEAD(&new->list);
-
- spin_lock(&sbi->dir_inode_lock);
- ret = __add_dirty_inode(inode, new);
+ spin_lock(&sbi->inode_lock[type]);
+ if (type != FILE_INODE || test_opt(sbi, DATA_FLUSH))
+ __add_dirty_inode(inode, type);
inode_inc_dirty_pages(inode);
- spin_unlock(&sbi->dir_inode_lock);
+ spin_unlock(&sbi->inode_lock[type]);
- if (ret)
- kmem_cache_free(inode_entry_slab, new);
-out:
SetPagePrivate(page);
f2fs_trace_pid(page);
}
-void add_dirty_dir_inode(struct inode *inode)
-{
- struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
- struct inode_entry *new =
- f2fs_kmem_cache_alloc(inode_entry_slab, GFP_NOFS);
- int ret = 0;
-
- new->inode = inode;
- INIT_LIST_HEAD(&new->list);
-
- spin_lock(&sbi->dir_inode_lock);
- ret = __add_dirty_inode(inode, new);
- spin_unlock(&sbi->dir_inode_lock);
-
- if (ret)
- kmem_cache_free(inode_entry_slab, new);
-}
-
-void remove_dirty_dir_inode(struct inode *inode)
+void remove_dirty_inode(struct inode *inode)
{
struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
- struct inode_entry *entry;
+ enum inode_type type = S_ISDIR(inode->i_mode) ? DIR_INODE : FILE_INODE;
- if (!S_ISDIR(inode->i_mode))
+ if (!S_ISDIR(inode->i_mode) && !S_ISREG(inode->i_mode) &&
+ !S_ISLNK(inode->i_mode))
return;
- spin_lock(&sbi->dir_inode_lock);
- if (get_dirty_pages(inode) ||
- !is_inode_flag_set(F2FS_I(inode), FI_DIRTY_DIR)) {
- spin_unlock(&sbi->dir_inode_lock);
+ if (type == FILE_INODE && !test_opt(sbi, DATA_FLUSH))
return;
- }
- entry = F2FS_I(inode)->dirty_dir;
- list_del(&entry->list);
- F2FS_I(inode)->dirty_dir = NULL;
- clear_inode_flag(F2FS_I(inode), FI_DIRTY_DIR);
- stat_dec_dirty_dir(sbi);
- spin_unlock(&sbi->dir_inode_lock);
- kmem_cache_free(inode_entry_slab, entry);
-
- /* Only from the recovery routine */
- if (is_inode_flag_set(F2FS_I(inode), FI_DELAY_IPUT)) {
- clear_inode_flag(F2FS_I(inode), FI_DELAY_IPUT);
- iput(inode);
- }
+ spin_lock(&sbi->inode_lock[type]);
+ __remove_dirty_inode(inode, type);
+ spin_unlock(&sbi->inode_lock[type]);
}
-void sync_dirty_dir_inodes(struct f2fs_sb_info *sbi)
+int sync_dirty_inodes(struct f2fs_sb_info *sbi, enum inode_type type)
{
struct list_head *head;
- struct inode_entry *entry;
struct inode *inode;
+ struct f2fs_inode_info *fi;
+ bool is_dir = (type == DIR_INODE);
+
+ trace_f2fs_sync_dirty_inodes_enter(sbi->sb, is_dir,
+ get_pages(sbi, is_dir ?
+ F2FS_DIRTY_DENTS : F2FS_DIRTY_DATA));
retry:
if (unlikely(f2fs_cp_error(sbi)))
- return;
+ return -EIO;
- spin_lock(&sbi->dir_inode_lock);
+ spin_lock(&sbi->inode_lock[type]);
- head = &sbi->dir_inode_list;
+ head = &sbi->inode_list[type];
if (list_empty(head)) {
- spin_unlock(&sbi->dir_inode_lock);
- return;
+ spin_unlock(&sbi->inode_lock[type]);
+ trace_f2fs_sync_dirty_inodes_exit(sbi->sb, is_dir,
+ get_pages(sbi, is_dir ?
+ F2FS_DIRTY_DENTS : F2FS_DIRTY_DATA));
+ return 0;
}
- entry = list_entry(head->next, struct inode_entry, list);
- inode = igrab(entry->inode);
- spin_unlock(&sbi->dir_inode_lock);
+ fi = list_entry(head->next, struct f2fs_inode_info, dirty_list);
+ inode = igrab(&fi->vfs_inode);
+ spin_unlock(&sbi->inode_lock[type]);
if (inode) {
filemap_fdatawrite(inode->i_mapping);
iput(inode);
goto retry;
}
+int f2fs_sync_inode_meta(struct f2fs_sb_info *sbi)
+{
+ struct list_head *head = &sbi->inode_list[DIRTY_META];
+ struct inode *inode;
+ struct f2fs_inode_info *fi;
+ s64 total = get_pages(sbi, F2FS_DIRTY_IMETA);
+
+ while (total--) {
+ if (unlikely(f2fs_cp_error(sbi)))
+ return -EIO;
+
+ spin_lock(&sbi->inode_lock[DIRTY_META]);
+ if (list_empty(head)) {
+ spin_unlock(&sbi->inode_lock[DIRTY_META]);
+ return 0;
+ }
+ fi = list_entry(head->next, struct f2fs_inode_info,
+ gdirty_list);
+ inode = igrab(&fi->vfs_inode);
+ spin_unlock(&sbi->inode_lock[DIRTY_META]);
+ if (inode) {
+ sync_inode_metadata(inode, 0);
+
+ /* it's on eviction */
+ if (is_inode_flag_set(inode, FI_DIRTY_INODE))
+ update_inode_page(inode);
+ iput(inode);
+ }
+ };
+ return 0;
+}
+
/*
* Freeze all the FS-operations for checkpoint.
*/
/* write all the dirty dentry pages */
if (get_pages(sbi, F2FS_DIRTY_DENTS)) {
f2fs_unlock_all(sbi);
- sync_dirty_dir_inodes(sbi);
- if (unlikely(f2fs_cp_error(sbi))) {
- err = -EIO;
+ err = sync_dirty_inodes(sbi, DIR_INODE);
+ if (err)
+ goto out;
+ goto retry_flush_dents;
+ }
+
+ if (get_pages(sbi, F2FS_DIRTY_IMETA)) {
+ f2fs_unlock_all(sbi);
+ err = f2fs_sync_inode_meta(sbi);
+ if (err)
goto out;
- }
goto retry_flush_dents;
}
if (get_pages(sbi, F2FS_DIRTY_NODES)) {
up_write(&sbi->node_write);
- sync_node_pages(sbi, 0, &wbc);
- if (unlikely(f2fs_cp_error(sbi))) {
+ err = sync_node_pages(sbi, &wbc);
+ if (err) {
f2fs_unlock_all(sbi);
- err = -EIO;
goto out;
}
goto retry_flush_nodes;
static void unblock_operations(struct f2fs_sb_info *sbi)
{
up_write(&sbi->node_write);
+
+ build_free_nids(sbi, false);
f2fs_unlock_all(sbi);
}
for (;;) {
prepare_to_wait(&sbi->cp_wait, &wait, TASK_UNINTERRUPTIBLE);
- if (!get_pages(sbi, F2FS_WRITEBACK))
+ if (!get_pages(sbi, F2FS_WB_CP_DATA))
break;
- io_schedule();
+ io_schedule_timeout(5*HZ);
}
finish_wait(&sbi->cp_wait, &wait);
}
-static void do_checkpoint(struct f2fs_sb_info *sbi, struct cp_control *cpc)
+static void update_ckpt_flags(struct f2fs_sb_info *sbi, struct cp_control *cpc)
+{
+ unsigned long orphan_num = sbi->im[ORPHAN_INO].ino_num;
+ struct f2fs_checkpoint *ckpt = F2FS_CKPT(sbi);
+
+ spin_lock(&sbi->cp_lock);
+
+ if (cpc->reason == CP_UMOUNT)
+ __set_ckpt_flags(ckpt, CP_UMOUNT_FLAG);
+ else
+ __clear_ckpt_flags(ckpt, CP_UMOUNT_FLAG);
+
+ if (cpc->reason == CP_FASTBOOT)
+ __set_ckpt_flags(ckpt, CP_FASTBOOT_FLAG);
+ else
+ __clear_ckpt_flags(ckpt, CP_FASTBOOT_FLAG);
+
+ if (orphan_num)
+ __set_ckpt_flags(ckpt, CP_ORPHAN_PRESENT_FLAG);
+ else
+ __clear_ckpt_flags(ckpt, CP_ORPHAN_PRESENT_FLAG);
+
+ if (is_sbi_flag_set(sbi, SBI_NEED_FSCK))
+ __set_ckpt_flags(ckpt, CP_FSCK_FLAG);
+
+ /* set this flag to activate crc|cp_ver for recovery */
+ __set_ckpt_flags(ckpt, CP_CRC_RECOVERY_FLAG);
+
+ spin_unlock(&sbi->cp_lock);
+}
+
+static int do_checkpoint(struct f2fs_sb_info *sbi, struct cp_control *cpc)
{
struct f2fs_checkpoint *ckpt = F2FS_CKPT(sbi);
- struct curseg_info *curseg = CURSEG_I(sbi, CURSEG_WARM_NODE);
struct f2fs_nm_info *nm_i = NM_I(sbi);
unsigned long orphan_num = sbi->im[ORPHAN_INO].ino_num;
nid_t last_nid = nm_i->next_scan_nid;
__u32 crc32 = 0;
int i;
int cp_payload_blks = __cp_payload(sbi);
- block_t discard_blk = NEXT_FREE_BLKADDR(sbi, curseg);
- bool invalidate = false;
-
- /*
- * This avoids to conduct wrong roll-forward operations and uses
- * metapages, so should be called prior to sync_meta_pages below.
- */
- if (discard_next_dnode(sbi, discard_blk))
- invalidate = true;
+ struct super_block *sb = sbi->sb;
+ struct curseg_info *seg_i = CURSEG_I(sbi, CURSEG_HOT_NODE);
+ u64 kbytes_written;
/* 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;
+ return -EIO;
}
next_free_nid(sbi, &last_nid);
/* 2 cp + n data seg summary + orphan inode blocks */
data_sum_blocks = npages_for_summary_flush(sbi, false);
+ spin_lock(&sbi->cp_lock);
if (data_sum_blocks < NR_CURSEG_DATA_TYPE)
- set_ckpt_flags(ckpt, CP_COMPACT_SUM_FLAG);
+ __set_ckpt_flags(ckpt, CP_COMPACT_SUM_FLAG);
else
- clear_ckpt_flags(ckpt, CP_COMPACT_SUM_FLAG);
+ __clear_ckpt_flags(ckpt, CP_COMPACT_SUM_FLAG);
+ spin_unlock(&sbi->cp_lock);
orphan_blocks = GET_ORPHAN_BLOCKS(orphan_num);
ckpt->cp_pack_start_sum = cpu_to_le32(1 + cp_payload_blks +
cp_payload_blks + data_sum_blocks +
orphan_blocks);
- if (cpc->reason == CP_UMOUNT)
- set_ckpt_flags(ckpt, CP_UMOUNT_FLAG);
- else
- clear_ckpt_flags(ckpt, CP_UMOUNT_FLAG);
-
- if (cpc->reason == CP_FASTBOOT)
- set_ckpt_flags(ckpt, CP_FASTBOOT_FLAG);
- else
- clear_ckpt_flags(ckpt, CP_FASTBOOT_FLAG);
-
- if (orphan_num)
- set_ckpt_flags(ckpt, CP_ORPHAN_PRESENT_FLAG);
- else
- clear_ckpt_flags(ckpt, CP_ORPHAN_PRESENT_FLAG);
-
- if (is_sbi_flag_set(sbi, SBI_NEED_FSCK))
- set_ckpt_flags(ckpt, CP_FSCK_FLAG);
+ /* update ckpt flag for checkpoint */
+ update_ckpt_flags(sbi, cpc);
/* update SIT/NAT bitmap */
get_sit_bitmap(sbi, __bitmap_ptr(sbi, SIT_BITMAP));
get_nat_bitmap(sbi, __bitmap_ptr(sbi, NAT_BITMAP));
- crc32 = f2fs_crc32(ckpt, le32_to_cpu(ckpt->checksum_offset));
+ crc32 = f2fs_crc32(sbi, ckpt, le32_to_cpu(ckpt->checksum_offset));
*((__le32 *)((unsigned char *)ckpt +
le32_to_cpu(ckpt->checksum_offset)))
= cpu_to_le32(crc32);
- start_blk = __start_cp_addr(sbi);
+ start_blk = __start_cp_next_addr(sbi);
/* need to wait for end_io results */
wait_on_all_pages_writeback(sbi);
if (unlikely(f2fs_cp_error(sbi)))
- return;
+ return -EIO;
/* write out checkpoint buffer at block 0 */
update_meta_page(sbi, ckpt, start_blk++);
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);
+
+ seg_i->journal->info.kbytes_written = cpu_to_le64(kbytes_written);
+
if (__remain_node_summaries(cpc->reason)) {
write_node_summaries(sbi, start_blk);
start_blk += NR_CURSEG_NODE_TYPE;
wait_on_all_pages_writeback(sbi);
if (unlikely(f2fs_cp_error(sbi)))
- return;
+ return -EIO;
- filemap_fdatawait_range(NODE_MAPPING(sbi), 0, LONG_MAX);
- filemap_fdatawait_range(META_MAPPING(sbi), 0, LONG_MAX);
+ filemap_fdatawait_range(NODE_MAPPING(sbi), 0, LLONG_MAX);
+ filemap_fdatawait_range(META_MAPPING(sbi), 0, LLONG_MAX);
/* update user_block_counts */
sbi->last_valid_block_count = sbi->total_valid_block_count;
- sbi->alloc_valid_block_count = 0;
+ percpu_counter_set(&sbi->alloc_valid_block_count, 0);
/* Here, we only have one bio having CP pack */
sync_meta_pages(sbi, META_FLUSH, LONG_MAX);
/* wait for previous submitted meta pages writeback */
wait_on_all_pages_writeback(sbi);
- /*
- * invalidate meta page which is used temporarily for zeroing out
- * block at the end of warm node chain.
- */
- if (invalidate)
- invalidate_mapping_pages(META_MAPPING(sbi), discard_blk,
- discard_blk);
-
- release_dirty_inode(sbi);
+ release_ino_entry(sbi, false);
if (unlikely(f2fs_cp_error(sbi)))
- return;
+ return -EIO;
- clear_prefree_segments(sbi, cpc);
clear_sbi_flag(sbi, SBI_IS_DIRTY);
+ clear_sbi_flag(sbi, SBI_NEED_CP);
+ __set_cp_next_pack(sbi);
+
+ /*
+ * redirty superblock if metadata like node page or inode cache is
+ * updated during writing checkpoint.
+ */
+ if (get_pages(sbi, F2FS_DIRTY_NODES) ||
+ get_pages(sbi, F2FS_DIRTY_IMETA))
+ set_sbi_flag(sbi, SBI_IS_DIRTY);
+
+ f2fs_bug_on(sbi, get_pages(sbi, F2FS_DIRTY_DENTS));
+
+ return 0;
}
/*
* We guarantee that this checkpoint procedure will not fail.
*/
-void write_checkpoint(struct f2fs_sb_info *sbi, struct cp_control *cpc)
+int 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);
(cpc->reason == CP_FASTBOOT || cpc->reason == CP_SYNC ||
(cpc->reason == CP_DISCARD && !sbi->discard_blks)))
goto out;
- if (unlikely(f2fs_cp_error(sbi)))
+ if (unlikely(f2fs_cp_error(sbi))) {
+ err = -EIO;
goto out;
- if (f2fs_readonly(sbi->sb))
+ }
+ if (f2fs_readonly(sbi->sb)) {
+ err = -EROFS;
goto out;
+ }
trace_f2fs_write_checkpoint(sbi->sb, cpc->reason, "start block_ops");
- if (block_operations(sbi))
+ err = block_operations(sbi);
+ if (err)
goto out;
trace_f2fs_write_checkpoint(sbi->sb, cpc->reason, "finish block_ops");
- f2fs_submit_merged_bio(sbi, DATA, WRITE);
- f2fs_submit_merged_bio(sbi, NODE, WRITE);
- f2fs_submit_merged_bio(sbi, META, WRITE);
+ f2fs_flush_merged_bios(sbi);
+
+ /* this is the case of multiple fstrims without any changes */
+ if (cpc->reason == CP_DISCARD) {
+ if (NM_I(sbi)->dirty_nat_cnt == 0 &&
+ SIT_I(sbi)->dirty_sentries == 0 &&
+ prefree_segments(sbi) == 0) {
+ flush_sit_entries(sbi, cpc);
+ clear_prefree_segments(sbi, cpc);
+ unblock_operations(sbi);
+ goto out;
+ }
+ }
/*
* update checkpoint pack index
flush_sit_entries(sbi, cpc);
/* unlock all the fs_lock[] in do_checkpoint() */
- do_checkpoint(sbi, cpc);
+ err = do_checkpoint(sbi, cpc);
+ if (err)
+ release_discard_addrs(sbi);
+ else
+ clear_prefree_segments(sbi, cpc);
unblock_operations(sbi);
stat_inc_cp_count(sbi->stat_info);
"checkpoint: version = %llx", ckpt_ver);
/* do checkpoint periodically */
- sbi->cp_expires = round_jiffies_up(jiffies + HZ * sbi->cp_interval);
+ f2fs_update_time(sbi, CP_TIME);
+ trace_f2fs_write_checkpoint(sbi->sb, cpc->reason, "finish checkpoint");
out:
mutex_unlock(&sbi->cp_mutex);
- trace_f2fs_write_checkpoint(sbi->sb, cpc->reason, "finish checkpoint");
+ return err;
}
void init_ino_entry_info(struct f2fs_sb_info *sbi)
projects / GitHub / exynos8895 / android_kernel_samsung_universal8895.git / blobdiff