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Diffstat (limited to 'fs/f2fs/node.c')
-rw-r--r--fs/f2fs/node.c67
1 files changed, 38 insertions, 29 deletions
diff --git a/fs/f2fs/node.c b/fs/f2fs/node.c
index 4547c5c..d53fe62 100644
--- a/fs/f2fs/node.c
+++ b/fs/f2fs/node.c
@@ -158,9 +158,6 @@ static void __set_nat_cache_dirty(struct f2fs_nm_info *nm_i,
nid_t set = NAT_BLOCK_OFFSET(ne->ni.nid);
struct nat_entry_set *head;
- if (get_nat_flag(ne, IS_DIRTY))
- return;
-
head = radix_tree_lookup(&nm_i->nat_set_root, set);
if (!head) {
head = f2fs_kmem_cache_alloc(nat_entry_set_slab, GFP_NOFS);
@@ -171,10 +168,18 @@ static void __set_nat_cache_dirty(struct f2fs_nm_info *nm_i,
head->entry_cnt = 0;
f2fs_radix_tree_insert(&nm_i->nat_set_root, set, head);
}
- list_move_tail(&ne->list, &head->entry_list);
+
+ if (get_nat_flag(ne, IS_DIRTY))
+ goto refresh_list;
+
nm_i->dirty_nat_cnt++;
head->entry_cnt++;
set_nat_flag(ne, IS_DIRTY, true);
+refresh_list:
+ if (nat_get_blkaddr(ne) == NEW_ADDR)
+ list_del_init(&ne->list);
+ else
+ list_move_tail(&ne->list, &head->entry_list);
}
static void __clear_nat_cache_dirty(struct f2fs_nm_info *nm_i,
@@ -673,15 +678,11 @@ static void truncate_node(struct dnode_of_data *dn)
struct node_info ni;
get_node_info(sbi, dn->nid, &ni);
- if (dn->inode->i_blocks == 0) {
- f2fs_bug_on(sbi, ni.blk_addr != NULL_ADDR);
- goto invalidate;
- }
f2fs_bug_on(sbi, ni.blk_addr == NULL_ADDR);
/* Deallocate node address */
invalidate_blocks(sbi, ni.blk_addr);
- dec_valid_node_count(sbi, dn->inode);
+ dec_valid_node_count(sbi, dn->inode, dn->nid == dn->inode->i_ino);
set_node_addr(sbi, &ni, NULL_ADDR, false);
if (dn->nid == dn->inode->i_ino) {
@@ -689,7 +690,7 @@ static void truncate_node(struct dnode_of_data *dn)
dec_valid_inode_count(sbi);
f2fs_inode_synced(dn->inode);
}
-invalidate:
+
clear_node_page_dirty(dn->node_page);
set_sbi_flag(sbi, SBI_IS_DIRTY);
@@ -1006,7 +1007,7 @@ int remove_inode_page(struct inode *inode)
/* 0 is possible, after f2fs_new_inode() has failed */
f2fs_bug_on(F2FS_I_SB(inode),
- inode->i_blocks != 0 && inode->i_blocks != 1);
+ inode->i_blocks != 0 && inode->i_blocks != 8);
/* will put inode & node pages */
truncate_node(&dn);
@@ -1039,10 +1040,9 @@ struct page *new_node_page(struct dnode_of_data *dn,
if (!page)
return ERR_PTR(-ENOMEM);
- if (unlikely(!inc_valid_node_count(sbi, dn->inode))) {
- err = -ENOSPC;
+ if (unlikely((err = inc_valid_node_count(sbi, dn->inode, !ofs))))
goto fail;
- }
+
#ifdef CONFIG_F2FS_CHECK_FS
get_node_info(sbi, dn->nid, &new_ni);
f2fs_bug_on(sbi, new_ni.blk_addr != NULL_ADDR);
@@ -1152,6 +1152,7 @@ repeat:
f2fs_put_page(page, 1);
return ERR_PTR(err);
} else if (err == LOCKED_PAGE) {
+ err = 0;
goto page_hit;
}
@@ -1165,15 +1166,22 @@ repeat:
goto repeat;
}
- if (unlikely(!PageUptodate(page)))
+ if (unlikely(!PageUptodate(page))) {
+ err = -EIO;
goto out_err;
+ }
page_hit:
if(unlikely(nid != nid_of_node(page))) {
- f2fs_bug_on(sbi, 1);
+ f2fs_msg(sbi->sb, KERN_WARNING, "inconsistent node block, "
+ "nid:%lu, node_footer[nid:%u,ino:%u,ofs:%u,cpver:%llu,blkaddr:%u]",
+ nid, nid_of_node(page), ino_of_node(page),
+ ofs_of_node(page), cpver_of_node(page),
+ next_blkaddr_of_node(page));
ClearPageUptodate(page);
+ err = -EINVAL;
out_err:
f2fs_put_page(page, 1);
- return ERR_PTR(-EIO);
+ return ERR_PTR(err);
}
return page;
}
@@ -1373,15 +1381,15 @@ static int __write_node_page(struct page *page, bool atomic, bool *submitted,
up_read(&sbi->node_write);
if (wbc->for_reclaim) {
- f2fs_submit_merged_bio_cond(sbi, page->mapping->host, 0,
- page->index, NODE, WRITE);
+ f2fs_submit_merged_write_cond(sbi, page->mapping->host, 0,
+ page->index, NODE);
submitted = NULL;
}
unlock_page(page);
if (unlikely(f2fs_cp_error(sbi))) {
- f2fs_submit_merged_bio(sbi, NODE, WRITE);
+ f2fs_submit_merged_write(sbi, NODE);
submitted = NULL;
}
if (submitted)
@@ -1518,8 +1526,7 @@ continue_unlock:
}
out:
if (last_idx != ULONG_MAX)
- f2fs_submit_merged_bio_cond(sbi, NULL, ino, last_idx,
- NODE, WRITE);
+ f2fs_submit_merged_write_cond(sbi, NULL, ino, last_idx, NODE);
return ret ? -EIO: 0;
}
@@ -1625,7 +1632,7 @@ continue_unlock:
}
out:
if (nwritten)
- f2fs_submit_merged_bio(sbi, NODE, WRITE);
+ f2fs_submit_merged_write(sbi, NODE);
return ret;
}
@@ -1675,6 +1682,9 @@ static int f2fs_write_node_pages(struct address_space *mapping,
struct blk_plug plug;
long diff;
+ if (unlikely(is_sbi_flag_set(sbi, SBI_POR_DOING)))
+ goto skip_write;
+
/* balancing f2fs's metadata in background */
f2fs_balance_fs_bg(sbi);
@@ -2192,14 +2202,14 @@ int recover_xattr_data(struct inode *inode, struct page *page, block_t blkaddr)
get_node_info(sbi, prev_xnid, &ni);
f2fs_bug_on(sbi, ni.blk_addr == NULL_ADDR);
invalidate_blocks(sbi, ni.blk_addr);
- dec_valid_node_count(sbi, inode);
+ dec_valid_node_count(sbi, inode, false);
set_node_addr(sbi, &ni, NULL_ADDR, false);
recover_xnid:
/* 2: update xattr nid in inode */
remove_free_nid(sbi, new_xnid);
f2fs_i_xnid_write(inode, new_xnid);
- if (unlikely(!inc_valid_node_count(sbi, inode)))
+ if (unlikely(inc_valid_node_count(sbi, inode, false)))
f2fs_bug_on(sbi, 1);
update_inode_page(inode);
@@ -2257,7 +2267,7 @@ retry:
new_ni = old_ni;
new_ni.ino = ino;
- if (unlikely(!inc_valid_node_count(sbi, NULL)))
+ if (unlikely(inc_valid_node_count(sbi, NULL, true)))
WARN_ON(1);
set_node_addr(sbi, &new_ni, NEW_ADDR, false);
inc_valid_inode_count(sbi);
@@ -2424,8 +2434,7 @@ static void __flush_nat_entry_set(struct f2fs_sb_info *sbi,
nid_t nid = nat_get_nid(ne);
int offset;
- if (nat_get_blkaddr(ne) == NEW_ADDR)
- continue;
+ f2fs_bug_on(sbi, nat_get_blkaddr(ne) == NEW_ADDR);
if (to_journal) {
offset = lookup_journal_in_cursum(journal,
@@ -2553,7 +2562,7 @@ static int __get_nat_bitmaps(struct f2fs_sb_info *sbi)
return 0;
}
-inline void load_free_nid_bitmap(struct f2fs_sb_info *sbi)
+static inline void load_free_nid_bitmap(struct f2fs_sb_info *sbi)
{
struct f2fs_nm_info *nm_i = NM_I(sbi);
unsigned int i = 0;
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