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Diffstat (limited to 'fs/f2fs/recovery.c')
-rw-r--r--fs/f2fs/recovery.c164
1 files changed, 92 insertions, 72 deletions
diff --git a/fs/f2fs/recovery.c b/fs/f2fs/recovery.c
index 51ef5eec33d..a112368a4a8 100644
--- a/fs/f2fs/recovery.c
+++ b/fs/f2fs/recovery.c
@@ -27,21 +27,18 @@ bool space_for_roll_forward(struct f2fs_sb_info *sbi)
static struct fsync_inode_entry *get_fsync_inode(struct list_head *head,
nid_t ino)
{
- struct list_head *this;
struct fsync_inode_entry *entry;
- list_for_each(this, head) {
- entry = list_entry(this, struct fsync_inode_entry, list);
+ list_for_each_entry(entry, head, list)
if (entry->inode->i_ino == ino)
return entry;
- }
+
return NULL;
}
static int recover_dentry(struct page *ipage, struct inode *inode)
{
- struct f2fs_node *raw_node = F2FS_NODE(ipage);
- struct f2fs_inode *raw_inode = &(raw_node->i);
+ struct f2fs_inode *raw_inode = F2FS_INODE(ipage);
nid_t pino = le32_to_cpu(raw_inode->i_pino);
struct f2fs_dir_entry *de;
struct qstr name;
@@ -49,51 +46,71 @@ static int recover_dentry(struct page *ipage, struct inode *inode)
struct inode *dir, *einode;
int err = 0;
- dir = check_dirty_dir_inode(F2FS_SB(inode->i_sb), pino);
- if (!dir) {
- dir = f2fs_iget(inode->i_sb, pino);
- if (IS_ERR(dir)) {
- err = PTR_ERR(dir);
- goto out;
- }
- set_inode_flag(F2FS_I(dir), FI_DELAY_IPUT);
- add_dirty_dir_inode(dir);
+ dir = f2fs_iget(inode->i_sb, pino);
+ if (IS_ERR(dir)) {
+ err = PTR_ERR(dir);
+ goto out;
}
name.len = le32_to_cpu(raw_inode->i_namelen);
name.name = raw_inode->i_name;
+
+ if (unlikely(name.len > F2FS_NAME_LEN)) {
+ WARN_ON(1);
+ err = -ENAMETOOLONG;
+ goto out_err;
+ }
retry:
de = f2fs_find_entry(dir, &name, &page);
- if (de && inode->i_ino == le32_to_cpu(de->ino)) {
- kunmap(page);
- f2fs_put_page(page, 0);
- goto out;
- }
+ if (de && inode->i_ino == le32_to_cpu(de->ino))
+ goto out_unmap_put;
if (de) {
einode = f2fs_iget(inode->i_sb, le32_to_cpu(de->ino));
if (IS_ERR(einode)) {
WARN_ON(1);
- if (PTR_ERR(einode) == -ENOENT)
+ err = PTR_ERR(einode);
+ if (err == -ENOENT)
err = -EEXIST;
- goto out;
+ goto out_unmap_put;
+ }
+ err = acquire_orphan_inode(F2FS_SB(inode->i_sb));
+ if (err) {
+ iput(einode);
+ goto out_unmap_put;
}
f2fs_delete_entry(de, page, einode);
iput(einode);
goto retry;
}
err = __f2fs_add_link(dir, &name, inode);
+ if (err)
+ goto out_err;
+
+ if (is_inode_flag_set(F2FS_I(dir), FI_DELAY_IPUT)) {
+ iput(dir);
+ } else {
+ add_dirty_dir_inode(dir);
+ set_inode_flag(F2FS_I(dir), FI_DELAY_IPUT);
+ }
+
+ goto out;
+
+out_unmap_put:
+ kunmap(page);
+ f2fs_put_page(page, 0);
+out_err:
+ iput(dir);
out:
- f2fs_msg(inode->i_sb, KERN_NOTICE, "recover_inode and its dentry: "
- "ino = %x, name = %s, dir = %lx, err = %d",
- ino_of_node(ipage), raw_inode->i_name,
+ f2fs_msg(inode->i_sb, KERN_NOTICE,
+ "%s: ino = %x, name = %s, dir = %lx, err = %d",
+ __func__, ino_of_node(ipage), raw_inode->i_name,
IS_ERR(dir) ? 0 : dir->i_ino, err);
return err;
}
static int recover_inode(struct inode *inode, struct page *node_page)
{
- struct f2fs_node *raw_node = F2FS_NODE(node_page);
- struct f2fs_inode *raw_inode = &(raw_node->i);
+ struct f2fs_inode *raw_inode = F2FS_INODE(node_page);
if (!IS_INODE(node_page))
return 0;
@@ -125,7 +142,7 @@ static int find_fsync_dnodes(struct f2fs_sb_info *sbi, struct list_head *head)
/* get node pages in the current segment */
curseg = CURSEG_I(sbi, CURSEG_WARM_NODE);
- blkaddr = START_BLOCK(sbi, curseg->segno) + curseg->next_blkoff;
+ blkaddr = NEXT_FREE_BLKADDR(sbi, curseg);
/* read node page */
page = alloc_page(GFP_F2FS_ZERO);
@@ -136,9 +153,9 @@ static int find_fsync_dnodes(struct f2fs_sb_info *sbi, struct list_head *head)
while (1) {
struct fsync_inode_entry *entry;
- err = f2fs_readpage(sbi, page, blkaddr, READ_SYNC);
+ err = f2fs_submit_page_bio(sbi, page, blkaddr, READ_SYNC);
if (err)
- goto out;
+ return err;
lock_page(page);
@@ -184,9 +201,10 @@ next:
/* check next segment */
blkaddr = next_blkaddr_of_node(page);
}
+
unlock_page(page);
-out:
__free_pages(page, 0);
+
return err;
}
@@ -206,13 +224,12 @@ static int check_index_in_prev_nodes(struct f2fs_sb_info *sbi,
{
struct seg_entry *sentry;
unsigned int segno = GET_SEGNO(sbi, blkaddr);
- unsigned short blkoff = GET_SEGOFF_FROM_SEG0(sbi, blkaddr) &
- (sbi->blocks_per_seg - 1);
+ unsigned short blkoff = GET_BLKOFF_FROM_SEG0(sbi, blkaddr);
+ struct f2fs_summary_block *sum_node;
struct f2fs_summary sum;
+ struct page *sum_page, *node_page;
nid_t ino, nid;
- void *kaddr;
struct inode *inode;
- struct page *node_page;
unsigned int offset;
block_t bidx;
int i;
@@ -226,18 +243,15 @@ static int check_index_in_prev_nodes(struct f2fs_sb_info *sbi,
struct curseg_info *curseg = CURSEG_I(sbi, i);
if (curseg->segno == segno) {
sum = curseg->sum_blk->entries[blkoff];
- break;
+ goto got_it;
}
}
- if (i > CURSEG_COLD_DATA) {
- struct page *sum_page = get_sum_page(sbi, segno);
- struct f2fs_summary_block *sum_node;
- kaddr = page_address(sum_page);
- sum_node = (struct f2fs_summary_block *)kaddr;
- sum = sum_node->entries[blkoff];
- f2fs_put_page(sum_page, 1);
- }
+ sum_page = get_sum_page(sbi, segno);
+ sum_node = (struct f2fs_summary_block *)page_address(sum_page);
+ sum = sum_node->entries[blkoff];
+ f2fs_put_page(sum_page, 1);
+got_it:
/* Use the locked dnode page and inode */
nid = le32_to_cpu(sum.nid);
if (dn->inode->i_ino == nid) {
@@ -285,28 +299,31 @@ static int do_recover_data(struct f2fs_sb_info *sbi, struct inode *inode,
struct f2fs_summary sum;
struct node_info ni;
int err = 0, recovered = 0;
- int ilock;
+
+ if (recover_inline_data(inode, page))
+ goto out;
+
+ if (recover_xattr_data(inode, page, blkaddr))
+ goto out;
start = start_bidx_of_node(ofs_of_node(page), fi);
- if (IS_INODE(page))
- end = start + ADDRS_PER_INODE(fi);
- else
- end = start + ADDRS_PER_BLOCK;
+ end = start + ADDRS_PER_PAGE(page, fi);
+
+ f2fs_lock_op(sbi);
- ilock = mutex_lock_op(sbi);
set_new_dnode(&dn, inode, NULL, NULL, 0);
err = get_dnode_of_data(&dn, start, ALLOC_NODE);
if (err) {
- mutex_unlock_op(sbi, ilock);
- return err;
+ f2fs_unlock_op(sbi);
+ goto out;
}
- wait_on_page_writeback(dn.node_page);
+ f2fs_wait_on_page_writeback(dn.node_page, NODE);
get_node_info(sbi, dn.nid, &ni);
- BUG_ON(ni.ino != ino_of_node(page));
- BUG_ON(ofs_of_node(dn.node_page) != ofs_of_node(page));
+ f2fs_bug_on(ni.ino != ino_of_node(page));
+ f2fs_bug_on(ofs_of_node(dn.node_page) != ofs_of_node(page));
for (; start < end; start++) {
block_t src, dest;
@@ -316,9 +333,9 @@ static int do_recover_data(struct f2fs_sb_info *sbi, struct inode *inode,
if (src != dest && dest != NEW_ADDR && dest != NULL_ADDR) {
if (src == NULL_ADDR) {
- int err = reserve_new_block(&dn);
+ err = reserve_new_block(&dn);
/* We should not get -ENOSPC */
- BUG_ON(err);
+ f2fs_bug_on(err);
}
/* Check the previous node page having this index */
@@ -349,11 +366,11 @@ static int do_recover_data(struct f2fs_sb_info *sbi, struct inode *inode,
recover_node_page(sbi, dn.node_page, &sum, &ni, blkaddr);
err:
f2fs_put_dnode(&dn);
- mutex_unlock_op(sbi, ilock);
-
- f2fs_msg(sbi->sb, KERN_NOTICE, "recover_data: ino = %lx, "
- "recovered_data = %d blocks, err = %d",
- inode->i_ino, recovered, err);
+ f2fs_unlock_op(sbi);
+out:
+ f2fs_msg(sbi->sb, KERN_NOTICE,
+ "recover_data: ino = %lx, recovered = %d blocks, err = %d",
+ inode->i_ino, recovered, err);
return err;
}
@@ -371,7 +388,7 @@ static int recover_data(struct f2fs_sb_info *sbi,
blkaddr = NEXT_FREE_BLKADDR(sbi, curseg);
/* read node page */
- page = alloc_page(GFP_NOFS | __GFP_ZERO);
+ page = alloc_page(GFP_F2FS_ZERO);
if (!page)
return -ENOMEM;
@@ -380,9 +397,9 @@ static int recover_data(struct f2fs_sb_info *sbi,
while (1) {
struct fsync_inode_entry *entry;
- err = f2fs_readpage(sbi, page, blkaddr, READ_SYNC);
+ err = f2fs_submit_page_bio(sbi, page, blkaddr, READ_SYNC);
if (err)
- goto out;
+ return err;
lock_page(page);
@@ -406,8 +423,8 @@ next:
/* check next segment */
blkaddr = next_blkaddr_of_node(page);
}
+
unlock_page(page);
-out:
__free_pages(page, 0);
if (!err)
@@ -419,16 +436,17 @@ int recover_fsync_data(struct f2fs_sb_info *sbi)
{
struct list_head inode_list;
int err;
+ bool need_writecp = false;
fsync_entry_slab = f2fs_kmem_cache_create("f2fs_fsync_inode_entry",
- sizeof(struct fsync_inode_entry), NULL);
- if (unlikely(!fsync_entry_slab))
+ sizeof(struct fsync_inode_entry));
+ if (!fsync_entry_slab)
return -ENOMEM;
INIT_LIST_HEAD(&inode_list);
/* step #1: find fsynced inode numbers */
- sbi->por_doing = 1;
+ sbi->por_doing = true;
err = find_fsync_dnodes(sbi, &inode_list);
if (err)
goto out;
@@ -436,14 +454,16 @@ int recover_fsync_data(struct f2fs_sb_info *sbi)
if (list_empty(&inode_list))
goto out;
+ need_writecp = true;
+
/* step #2: recover data */
err = recover_data(sbi, &inode_list, CURSEG_WARM_NODE);
- BUG_ON(!list_empty(&inode_list));
+ f2fs_bug_on(!list_empty(&inode_list));
out:
destroy_fsync_dnodes(&inode_list);
kmem_cache_destroy(fsync_entry_slab);
- sbi->por_doing = 0;
- if (!err)
+ sbi->por_doing = false;
+ if (!err && need_writecp)
write_checkpoint(sbi, false);
return err;
}
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-11-03 18:05:46 +0000