{
struct f2fs_node *raw_node = (struct f2fs_node *)kmap(ipage);
struct f2fs_inode *raw_inode = &(raw_node->i);
- struct dentry dent, parent;
+ struct qstr name;
struct f2fs_dir_entry *de;
struct page *page;
struct inode *dir;
dir = f2fs_iget(inode->i_sb, le32_to_cpu(raw_inode->i_pino));
if (IS_ERR(dir)) {
- err = -EINVAL;
+ err = PTR_ERR(dir);
goto out;
}
- parent.d_inode = dir;
- dent.d_parent = &parent;
- dent.d_name.len = le32_to_cpu(raw_inode->i_namelen);
- dent.d_name.name = raw_inode->i_name;
+ name.len = le32_to_cpu(raw_inode->i_namelen);
+ name.name = raw_inode->i_name;
- de = f2fs_find_entry(dir, &dent.d_name, &page);
+ de = f2fs_find_entry(dir, &name, &page);
if (de) {
kunmap(page);
f2fs_put_page(page, 0);
} else {
- err = f2fs_add_link(&dent, inode);
+ err = __f2fs_add_link(dir, &name, inode);
}
iput(dir);
out:
while (1) {
struct fsync_inode_entry *entry;
- if (f2fs_readpage(sbi, page, blkaddr, READ_SYNC))
+ err = f2fs_readpage(sbi, page, blkaddr, READ_SYNC);
+ if (err)
goto out;
+ lock_page(page);
+
if (cp_ver != cpver_of_node(page))
- goto out;
+ goto unlock_out;
if (!is_fsync_dnode(page))
goto next;
FI_INC_LINK);
} else {
if (IS_INODE(page) && is_dent_dnode(page)) {
- if (recover_inode_page(sbi, page)) {
- err = -ENOMEM;
- goto out;
- }
+ err = recover_inode_page(sbi, page);
+ if (err)
+ goto unlock_out;
}
/* add this fsync inode to the list */
entry = kmem_cache_alloc(fsync_entry_slab, GFP_NOFS);
if (!entry) {
err = -ENOMEM;
- goto out;
+ goto unlock_out;
}
entry->inode = f2fs_iget(sbi->sb, ino_of_node(page));
if (IS_ERR(entry->inode)) {
err = PTR_ERR(entry->inode);
kmem_cache_free(fsync_entry_slab, entry);
- goto out;
+ goto unlock_out;
}
list_add_tail(&entry->list, head);
}
if (IS_INODE(page)) {
err = recover_inode(entry->inode, page);
- if (err)
- goto out;
+ if (err == -ENOENT) {
+ goto next;
+ } else if (err) {
+ err = -EINVAL;
+ goto unlock_out;
+ }
}
next:
/* check next segment */
blkaddr = next_blkaddr_of_node(page);
- ClearPageUptodate(page);
}
-out:
+unlock_out:
unlock_page(page);
+out:
__free_pages(page, 0);
return err;
}
f2fs_put_page(node_page, 1);
/* Deallocate previous index in the node page */
- inode = f2fs_iget_nowait(sbi->sb, ino);
+ inode = f2fs_iget(sbi->sb, ino);
if (IS_ERR(inode))
return;
iput(inode);
}
-static void do_recover_data(struct f2fs_sb_info *sbi, struct inode *inode,
+static int do_recover_data(struct f2fs_sb_info *sbi, struct inode *inode,
struct page *page, block_t blkaddr)
{
unsigned int start, end;
struct dnode_of_data dn;
struct f2fs_summary sum;
struct node_info ni;
+ int err = 0;
+ int ilock;
start = start_bidx_of_node(ofs_of_node(page));
if (IS_INODE(page))
else
end = start + ADDRS_PER_BLOCK;
+ ilock = mutex_lock_op(sbi);
set_new_dnode(&dn, inode, NULL, NULL, 0);
- if (get_dnode_of_data(&dn, start, 0))
- return;
+
+ err = get_dnode_of_data(&dn, start, ALLOC_NODE);
+ if (err) {
+ mutex_unlock_op(sbi, ilock);
+ return err;
+ }
wait_on_page_writeback(dn.node_page);
recover_node_page(sbi, dn.node_page, &sum, &ni, blkaddr);
f2fs_put_dnode(&dn);
+ mutex_unlock_op(sbi, ilock);
+ return 0;
}
-static void recover_data(struct f2fs_sb_info *sbi,
+static int recover_data(struct f2fs_sb_info *sbi,
struct list_head *head, int type)
{
unsigned long long cp_ver = le64_to_cpu(sbi->ckpt->checkpoint_ver);
struct curseg_info *curseg;
struct page *page;
+ int err = 0;
block_t blkaddr;
/* get node pages in the current segment */
/* read node page */
page = alloc_page(GFP_NOFS | __GFP_ZERO);
if (IS_ERR(page))
- return;
+ return -ENOMEM;
+
lock_page(page);
while (1) {
struct fsync_inode_entry *entry;
- if (f2fs_readpage(sbi, page, blkaddr, READ_SYNC))
+ err = f2fs_readpage(sbi, page, blkaddr, READ_SYNC);
+ if (err)
goto out;
+ lock_page(page);
+
if (cp_ver != cpver_of_node(page))
- goto out;
+ goto unlock_out;
entry = get_fsync_inode(head, ino_of_node(page));
if (!entry)
goto next;
- do_recover_data(sbi, entry->inode, page, blkaddr);
+ err = do_recover_data(sbi, entry->inode, page, blkaddr);
+ if (err)
+ goto out;
if (entry->blkaddr == blkaddr) {
iput(entry->inode);
next:
/* check next segment */
blkaddr = next_blkaddr_of_node(page);
- ClearPageUptodate(page);
}
-out:
+unlock_out:
unlock_page(page);
+out:
__free_pages(page, 0);
- allocate_new_segments(sbi);
+ if (!err)
+ allocate_new_segments(sbi);
+ return err;
}
-void recover_fsync_data(struct f2fs_sb_info *sbi)
+int recover_fsync_data(struct f2fs_sb_info *sbi)
{
struct list_head inode_list;
+ int err;
fsync_entry_slab = f2fs_kmem_cache_create("f2fs_fsync_inode_entry",
sizeof(struct fsync_inode_entry), NULL);
if (unlikely(!fsync_entry_slab))
- return;
+ return -ENOMEM;
INIT_LIST_HEAD(&inode_list);
/* step #1: find fsynced inode numbers */
- if (find_fsync_dnodes(sbi, &inode_list))
+ err = find_fsync_dnodes(sbi, &inode_list);
+ if (err)
goto out;
if (list_empty(&inode_list))
/* step #2: recover data */
sbi->por_doing = 1;
- recover_data(sbi, &inode_list, CURSEG_WARM_NODE);
+ err = recover_data(sbi, &inode_list, CURSEG_WARM_NODE);
sbi->por_doing = 0;
BUG_ON(!list_empty(&inode_list));
out:
destroy_fsync_dnodes(sbi, &inode_list);
kmem_cache_destroy(fsync_entry_slab);
- write_checkpoint(sbi, false, false);
+ write_checkpoint(sbi, false);
+ return err;
}