struct address_space *mapping = META_MAPPING(sbi);
struct page *page = NULL;
repeat:
- page = grab_cache_page(mapping, index);
+ page = grab_cache_page_write_begin(mapping, index, AOP_FLAG_NOFS);
if (!page) {
cond_resched();
goto repeat;
}
- /* We wait writeback only inside grab_meta_page() */
- wait_on_page_writeback(page);
SetPageUptodate(page);
return page;
}
if (unlikely(is_set_ckpt_flags(F2FS_CKPT(sbi), CP_ERROR_FLAG)))
goto no_write;
- wait_on_page_writeback(page);
+ f2fs_wait_on_page_writeback(page, META);
write_meta_page(sbi, page);
no_write:
dec_page_count(sbi, F2FS_DIRTY_META);
struct writeback_control *wbc)
{
struct f2fs_sb_info *sbi = F2FS_SB(mapping->host->i_sb);
- int nrpages = MAX_BIO_BLOCKS(max_hw_blocks(sbi));
- long written;
-
- if (wbc->for_kupdate)
- return 0;
+ long diff, written;
/* collect a number of dirty meta pages and write together */
- if (get_pages(sbi, F2FS_DIRTY_META) < nrpages)
- return 0;
+ if (wbc->for_kupdate ||
+ get_pages(sbi, F2FS_DIRTY_META) < nr_pages_to_skip(sbi, META))
+ goto skip_write;
/* if mounting is failed, skip writing node pages */
mutex_lock(&sbi->cp_mutex);
- written = sync_meta_pages(sbi, META, nrpages);
+ diff = nr_pages_to_write(sbi, META, wbc);
+ written = sync_meta_pages(sbi, META, wbc->nr_to_write);
mutex_unlock(&sbi->cp_mutex);
- wbc->nr_to_write -= written;
+ wbc->nr_to_write = max((long)0, wbc->nr_to_write - written - diff);
+ return 0;
+
+skip_write:
+ wbc->pages_skipped += get_pages(sbi, F2FS_DIRTY_META);
return 0;
}
void add_orphan_inode(struct f2fs_sb_info *sbi, nid_t ino)
{
- struct list_head *head, *this;
- struct orphan_inode_entry *new = NULL, *orphan = NULL;
+ struct list_head *head;
+ struct orphan_inode_entry *new, *orphan;
new = f2fs_kmem_cache_alloc(orphan_entry_slab, GFP_ATOMIC);
new->ino = ino;
spin_lock(&sbi->orphan_inode_lock);
head = &sbi->orphan_inode_list;
- list_for_each(this, head) {
- orphan = list_entry(this, struct orphan_inode_entry, list);
+ list_for_each_entry(orphan, head, list) {
if (orphan->ino == ino) {
spin_unlock(&sbi->orphan_inode_lock);
kmem_cache_free(orphan_entry_slab, new);
if (orphan->ino > ino)
break;
- orphan = NULL;
}
- /* add new_oentry into list which is sorted by inode number */
- if (orphan)
- list_add(&new->list, this->prev);
- else
- list_add_tail(&new->list, head);
+ /* add new orphan entry into list which is sorted by inode number */
+ list_add_tail(&new->list, &orphan->list);
spin_unlock(&sbi->orphan_inode_lock);
}
list_for_each_entry(orphan, head, list) {
if (orphan->ino == ino) {
list_del(&orphan->list);
- kmem_cache_free(orphan_entry_slab, orphan);
f2fs_bug_on(sbi->n_orphans == 0);
sbi->n_orphans--;
- break;
+ spin_unlock(&sbi->orphan_inode_lock);
+ kmem_cache_free(orphan_entry_slab, orphan);
+ return;
}
}
spin_unlock(&sbi->orphan_inode_lock);
{
struct f2fs_sb_info *sbi = F2FS_SB(inode->i_sb);
struct list_head *head = &sbi->dir_inode_list;
- struct list_head *this;
+ struct dir_inode_entry *entry;
- list_for_each(this, head) {
- struct dir_inode_entry *entry;
- entry = list_entry(this, struct dir_inode_entry, list);
+ list_for_each_entry(entry, head, list)
if (unlikely(entry->inode == inode))
return -EEXIST;
- }
+
list_add_tail(&new->list, head);
stat_inc_dirty_dir(sbi);
return 0;
{
struct f2fs_sb_info *sbi = F2FS_SB(inode->i_sb);
struct dir_inode_entry *new;
+ int ret = 0;
if (!S_ISDIR(inode->i_mode))
return;
INIT_LIST_HEAD(&new->list);
spin_lock(&sbi->dir_inode_lock);
- if (__add_dirty_inode(inode, new))
- kmem_cache_free(inode_entry_slab, new);
-
+ ret = __add_dirty_inode(inode, new);
inode_inc_dirty_dents(inode);
SetPagePrivate(page);
spin_unlock(&sbi->dir_inode_lock);
+
+ if (ret)
+ kmem_cache_free(inode_entry_slab, new);
}
void add_dirty_dir_inode(struct inode *inode)
struct f2fs_sb_info *sbi = F2FS_SB(inode->i_sb);
struct dir_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);
- if (__add_dirty_inode(inode, new))
- kmem_cache_free(inode_entry_slab, new);
+ 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)
{
struct f2fs_sb_info *sbi = F2FS_SB(inode->i_sb);
-
- struct list_head *this, *head;
+ struct list_head *head;
+ struct dir_inode_entry *entry;
if (!S_ISDIR(inode->i_mode))
return;
spin_lock(&sbi->dir_inode_lock);
- if (atomic_read(&F2FS_I(inode)->dirty_dents)) {
+ if (get_dirty_dents(inode)) {
spin_unlock(&sbi->dir_inode_lock);
return;
}
head = &sbi->dir_inode_list;
- list_for_each(this, head) {
- struct dir_inode_entry *entry;
- entry = list_entry(this, struct dir_inode_entry, list);
+ list_for_each_entry(entry, head, list) {
if (entry->inode == inode) {
list_del(&entry->list);
- kmem_cache_free(inode_entry_slab, entry);
stat_dec_dirty_dir(sbi);
- break;
+ spin_unlock(&sbi->dir_inode_lock);
+ kmem_cache_free(inode_entry_slab, entry);
+ goto done;
}
}
spin_unlock(&sbi->dir_inode_lock);
+done:
/* 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);
struct inode *check_dirty_dir_inode(struct f2fs_sb_info *sbi, nid_t ino)
{
- struct list_head *this, *head;
+ struct list_head *head;
struct inode *inode = NULL;
+ struct dir_inode_entry *entry;
spin_lock(&sbi->dir_inode_lock);
head = &sbi->dir_inode_list;
- list_for_each(this, head) {
- struct dir_inode_entry *entry;
- entry = list_entry(this, struct dir_inode_entry, list);
+ list_for_each_entry(entry, head, list) {
if (entry->inode->i_ino == ino) {
inode = entry->inode;
break;
inode = igrab(entry->inode);
spin_unlock(&sbi->dir_inode_lock);
if (inode) {
- filemap_flush(inode->i_mapping);
+ filemap_fdatawrite(inode->i_mapping);
iput(inode);
} else {
/*