mirror of
https://github.com/torvalds/linux.git
synced 2024-12-30 14:52:05 +00:00
6f3ec9952c
It's enough to show BUG or WARN by f2fs_bug_on for error case. Then, we don't need to remain corrupted filesystem. Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
664 lines
16 KiB
C
664 lines
16 KiB
C
/*
|
|
* fs/f2fs/recovery.c
|
|
*
|
|
* Copyright (c) 2012 Samsung Electronics Co., Ltd.
|
|
* http://www.samsung.com/
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License version 2 as
|
|
* published by the Free Software Foundation.
|
|
*/
|
|
#include <linux/fs.h>
|
|
#include <linux/f2fs_fs.h>
|
|
#include "f2fs.h"
|
|
#include "node.h"
|
|
#include "segment.h"
|
|
|
|
/*
|
|
* Roll forward recovery scenarios.
|
|
*
|
|
* [Term] F: fsync_mark, D: dentry_mark
|
|
*
|
|
* 1. inode(x) | CP | inode(x) | dnode(F)
|
|
* -> Update the latest inode(x).
|
|
*
|
|
* 2. inode(x) | CP | inode(F) | dnode(F)
|
|
* -> No problem.
|
|
*
|
|
* 3. inode(x) | CP | dnode(F) | inode(x)
|
|
* -> Recover to the latest dnode(F), and drop the last inode(x)
|
|
*
|
|
* 4. inode(x) | CP | dnode(F) | inode(F)
|
|
* -> No problem.
|
|
*
|
|
* 5. CP | inode(x) | dnode(F)
|
|
* -> The inode(DF) was missing. Should drop this dnode(F).
|
|
*
|
|
* 6. CP | inode(DF) | dnode(F)
|
|
* -> No problem.
|
|
*
|
|
* 7. CP | dnode(F) | inode(DF)
|
|
* -> If f2fs_iget fails, then goto next to find inode(DF).
|
|
*
|
|
* 8. CP | dnode(F) | inode(x)
|
|
* -> If f2fs_iget fails, then goto next to find inode(DF).
|
|
* But it will fail due to no inode(DF).
|
|
*/
|
|
|
|
static struct kmem_cache *fsync_entry_slab;
|
|
|
|
bool space_for_roll_forward(struct f2fs_sb_info *sbi)
|
|
{
|
|
s64 nalloc = percpu_counter_sum_positive(&sbi->alloc_valid_block_count);
|
|
|
|
if (sbi->last_valid_block_count + nalloc > sbi->user_block_count)
|
|
return false;
|
|
return true;
|
|
}
|
|
|
|
static struct fsync_inode_entry *get_fsync_inode(struct list_head *head,
|
|
nid_t ino)
|
|
{
|
|
struct fsync_inode_entry *entry;
|
|
|
|
list_for_each_entry(entry, head, list)
|
|
if (entry->inode->i_ino == ino)
|
|
return entry;
|
|
|
|
return NULL;
|
|
}
|
|
|
|
static struct fsync_inode_entry *add_fsync_inode(struct list_head *head,
|
|
struct inode *inode)
|
|
{
|
|
struct fsync_inode_entry *entry;
|
|
|
|
entry = kmem_cache_alloc(fsync_entry_slab, GFP_F2FS_ZERO);
|
|
if (!entry)
|
|
return NULL;
|
|
|
|
entry->inode = inode;
|
|
list_add_tail(&entry->list, head);
|
|
|
|
return entry;
|
|
}
|
|
|
|
static void del_fsync_inode(struct fsync_inode_entry *entry)
|
|
{
|
|
iput(entry->inode);
|
|
list_del(&entry->list);
|
|
kmem_cache_free(fsync_entry_slab, entry);
|
|
}
|
|
|
|
static int recover_dentry(struct inode *inode, struct page *ipage,
|
|
struct list_head *dir_list)
|
|
{
|
|
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;
|
|
struct page *page;
|
|
struct inode *dir, *einode;
|
|
struct fsync_inode_entry *entry;
|
|
int err = 0;
|
|
|
|
entry = get_fsync_inode(dir_list, pino);
|
|
if (!entry) {
|
|
dir = f2fs_iget(inode->i_sb, pino);
|
|
if (IS_ERR(dir)) {
|
|
err = PTR_ERR(dir);
|
|
goto out;
|
|
}
|
|
|
|
entry = add_fsync_inode(dir_list, dir);
|
|
if (!entry) {
|
|
err = -ENOMEM;
|
|
iput(dir);
|
|
goto out;
|
|
}
|
|
}
|
|
|
|
dir = entry->inode;
|
|
|
|
if (file_enc_name(inode))
|
|
return 0;
|
|
|
|
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;
|
|
}
|
|
retry:
|
|
de = f2fs_find_entry(dir, &name, &page);
|
|
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);
|
|
err = PTR_ERR(einode);
|
|
if (err == -ENOENT)
|
|
err = -EEXIST;
|
|
goto out_unmap_put;
|
|
}
|
|
err = acquire_orphan_inode(F2FS_I_SB(inode));
|
|
if (err) {
|
|
iput(einode);
|
|
goto out_unmap_put;
|
|
}
|
|
f2fs_delete_entry(de, page, dir, einode);
|
|
iput(einode);
|
|
goto retry;
|
|
} else if (IS_ERR(page)) {
|
|
err = PTR_ERR(page);
|
|
} else {
|
|
err = __f2fs_add_link(dir, &name, inode,
|
|
inode->i_ino, inode->i_mode);
|
|
}
|
|
goto out;
|
|
|
|
out_unmap_put:
|
|
f2fs_dentry_kunmap(dir, page);
|
|
f2fs_put_page(page, 0);
|
|
out:
|
|
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 void recover_inode(struct inode *inode, struct page *page)
|
|
{
|
|
struct f2fs_inode *raw = F2FS_INODE(page);
|
|
char *name;
|
|
|
|
inode->i_mode = le16_to_cpu(raw->i_mode);
|
|
f2fs_i_size_write(inode, le64_to_cpu(raw->i_size));
|
|
inode->i_atime.tv_sec = le64_to_cpu(raw->i_mtime);
|
|
inode->i_ctime.tv_sec = le64_to_cpu(raw->i_ctime);
|
|
inode->i_mtime.tv_sec = le64_to_cpu(raw->i_mtime);
|
|
inode->i_atime.tv_nsec = le32_to_cpu(raw->i_mtime_nsec);
|
|
inode->i_ctime.tv_nsec = le32_to_cpu(raw->i_ctime_nsec);
|
|
inode->i_mtime.tv_nsec = le32_to_cpu(raw->i_mtime_nsec);
|
|
|
|
if (file_enc_name(inode))
|
|
name = "<encrypted>";
|
|
else
|
|
name = F2FS_INODE(page)->i_name;
|
|
|
|
f2fs_msg(inode->i_sb, KERN_NOTICE, "recover_inode: ino = %x, name = %s",
|
|
ino_of_node(page), name);
|
|
}
|
|
|
|
static bool is_same_inode(struct inode *inode, struct page *ipage)
|
|
{
|
|
struct f2fs_inode *ri = F2FS_INODE(ipage);
|
|
struct timespec disk;
|
|
|
|
if (!IS_INODE(ipage))
|
|
return true;
|
|
|
|
disk.tv_sec = le64_to_cpu(ri->i_ctime);
|
|
disk.tv_nsec = le32_to_cpu(ri->i_ctime_nsec);
|
|
if (timespec_compare(&inode->i_ctime, &disk) > 0)
|
|
return false;
|
|
|
|
disk.tv_sec = le64_to_cpu(ri->i_atime);
|
|
disk.tv_nsec = le32_to_cpu(ri->i_atime_nsec);
|
|
if (timespec_compare(&inode->i_atime, &disk) > 0)
|
|
return false;
|
|
|
|
disk.tv_sec = le64_to_cpu(ri->i_mtime);
|
|
disk.tv_nsec = le32_to_cpu(ri->i_mtime_nsec);
|
|
if (timespec_compare(&inode->i_mtime, &disk) > 0)
|
|
return false;
|
|
|
|
return true;
|
|
}
|
|
|
|
static int find_fsync_dnodes(struct f2fs_sb_info *sbi, struct list_head *head)
|
|
{
|
|
unsigned long long cp_ver = cur_cp_version(F2FS_CKPT(sbi));
|
|
struct curseg_info *curseg;
|
|
struct inode *inode;
|
|
struct page *page = NULL;
|
|
block_t blkaddr;
|
|
int err = 0;
|
|
|
|
/* get node pages in the current segment */
|
|
curseg = CURSEG_I(sbi, CURSEG_WARM_NODE);
|
|
blkaddr = NEXT_FREE_BLKADDR(sbi, curseg);
|
|
|
|
while (1) {
|
|
struct fsync_inode_entry *entry;
|
|
|
|
if (!is_valid_blkaddr(sbi, blkaddr, META_POR))
|
|
return 0;
|
|
|
|
page = get_tmp_page(sbi, blkaddr);
|
|
|
|
if (cp_ver != cpver_of_node(page))
|
|
break;
|
|
|
|
if (!is_fsync_dnode(page))
|
|
goto next;
|
|
|
|
entry = get_fsync_inode(head, ino_of_node(page));
|
|
if (entry) {
|
|
if (!is_same_inode(entry->inode, page))
|
|
goto next;
|
|
} else {
|
|
if (IS_INODE(page) && is_dent_dnode(page)) {
|
|
err = recover_inode_page(sbi, page);
|
|
if (err)
|
|
break;
|
|
}
|
|
|
|
/*
|
|
* CP | dnode(F) | inode(DF)
|
|
* For this case, we should not give up now.
|
|
*/
|
|
inode = f2fs_iget(sbi->sb, ino_of_node(page));
|
|
if (IS_ERR(inode)) {
|
|
err = PTR_ERR(inode);
|
|
if (err == -ENOENT) {
|
|
err = 0;
|
|
goto next;
|
|
}
|
|
break;
|
|
}
|
|
|
|
/* add this fsync inode to the list */
|
|
entry = add_fsync_inode(head, inode);
|
|
if (!entry) {
|
|
err = -ENOMEM;
|
|
iput(inode);
|
|
break;
|
|
}
|
|
}
|
|
entry->blkaddr = blkaddr;
|
|
|
|
if (IS_INODE(page) && is_dent_dnode(page))
|
|
entry->last_dentry = blkaddr;
|
|
next:
|
|
/* check next segment */
|
|
blkaddr = next_blkaddr_of_node(page);
|
|
f2fs_put_page(page, 1);
|
|
|
|
ra_meta_pages_cond(sbi, blkaddr);
|
|
}
|
|
f2fs_put_page(page, 1);
|
|
return err;
|
|
}
|
|
|
|
static void destroy_fsync_dnodes(struct list_head *head)
|
|
{
|
|
struct fsync_inode_entry *entry, *tmp;
|
|
|
|
list_for_each_entry_safe(entry, tmp, head, list)
|
|
del_fsync_inode(entry);
|
|
}
|
|
|
|
static int check_index_in_prev_nodes(struct f2fs_sb_info *sbi,
|
|
block_t blkaddr, struct dnode_of_data *dn)
|
|
{
|
|
struct seg_entry *sentry;
|
|
unsigned int segno = GET_SEGNO(sbi, blkaddr);
|
|
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;
|
|
struct dnode_of_data tdn = *dn;
|
|
nid_t ino, nid;
|
|
struct inode *inode;
|
|
unsigned int offset;
|
|
block_t bidx;
|
|
int i;
|
|
|
|
sentry = get_seg_entry(sbi, segno);
|
|
if (!f2fs_test_bit(blkoff, sentry->cur_valid_map))
|
|
return 0;
|
|
|
|
/* Get the previous summary */
|
|
for (i = CURSEG_WARM_DATA; i <= CURSEG_COLD_DATA; i++) {
|
|
struct curseg_info *curseg = CURSEG_I(sbi, i);
|
|
if (curseg->segno == segno) {
|
|
sum = curseg->sum_blk->entries[blkoff];
|
|
goto got_it;
|
|
}
|
|
}
|
|
|
|
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) {
|
|
tdn.nid = nid;
|
|
if (!dn->inode_page_locked)
|
|
lock_page(dn->inode_page);
|
|
tdn.node_page = dn->inode_page;
|
|
tdn.ofs_in_node = le16_to_cpu(sum.ofs_in_node);
|
|
goto truncate_out;
|
|
} else if (dn->nid == nid) {
|
|
tdn.ofs_in_node = le16_to_cpu(sum.ofs_in_node);
|
|
goto truncate_out;
|
|
}
|
|
|
|
/* Get the node page */
|
|
node_page = get_node_page(sbi, nid);
|
|
if (IS_ERR(node_page))
|
|
return PTR_ERR(node_page);
|
|
|
|
offset = ofs_of_node(node_page);
|
|
ino = ino_of_node(node_page);
|
|
f2fs_put_page(node_page, 1);
|
|
|
|
if (ino != dn->inode->i_ino) {
|
|
/* Deallocate previous index in the node page */
|
|
inode = f2fs_iget(sbi->sb, ino);
|
|
if (IS_ERR(inode))
|
|
return PTR_ERR(inode);
|
|
} else {
|
|
inode = dn->inode;
|
|
}
|
|
|
|
bidx = start_bidx_of_node(offset, inode) + le16_to_cpu(sum.ofs_in_node);
|
|
|
|
/*
|
|
* if inode page is locked, unlock temporarily, but its reference
|
|
* count keeps alive.
|
|
*/
|
|
if (ino == dn->inode->i_ino && dn->inode_page_locked)
|
|
unlock_page(dn->inode_page);
|
|
|
|
set_new_dnode(&tdn, inode, NULL, NULL, 0);
|
|
if (get_dnode_of_data(&tdn, bidx, LOOKUP_NODE))
|
|
goto out;
|
|
|
|
if (tdn.data_blkaddr == blkaddr)
|
|
truncate_data_blocks_range(&tdn, 1);
|
|
|
|
f2fs_put_dnode(&tdn);
|
|
out:
|
|
if (ino != dn->inode->i_ino)
|
|
iput(inode);
|
|
else if (dn->inode_page_locked)
|
|
lock_page(dn->inode_page);
|
|
return 0;
|
|
|
|
truncate_out:
|
|
if (datablock_addr(tdn.node_page, tdn.ofs_in_node) == blkaddr)
|
|
truncate_data_blocks_range(&tdn, 1);
|
|
if (dn->inode->i_ino == nid && !dn->inode_page_locked)
|
|
unlock_page(dn->inode_page);
|
|
return 0;
|
|
}
|
|
|
|
static int do_recover_data(struct f2fs_sb_info *sbi, struct inode *inode,
|
|
struct page *page, block_t blkaddr)
|
|
{
|
|
struct dnode_of_data dn;
|
|
struct node_info ni;
|
|
unsigned int start, end;
|
|
int err = 0, recovered = 0;
|
|
|
|
/* step 1: recover xattr */
|
|
if (IS_INODE(page)) {
|
|
recover_inline_xattr(inode, page);
|
|
} else if (f2fs_has_xattr_block(ofs_of_node(page))) {
|
|
/*
|
|
* Deprecated; xattr blocks should be found from cold log.
|
|
* But, we should remain this for backward compatibility.
|
|
*/
|
|
recover_xattr_data(inode, page, blkaddr);
|
|
goto out;
|
|
}
|
|
|
|
/* step 2: recover inline data */
|
|
if (recover_inline_data(inode, page))
|
|
goto out;
|
|
|
|
/* step 3: recover data indices */
|
|
start = start_bidx_of_node(ofs_of_node(page), inode);
|
|
end = start + ADDRS_PER_PAGE(page, inode);
|
|
|
|
set_new_dnode(&dn, inode, NULL, NULL, 0);
|
|
|
|
err = get_dnode_of_data(&dn, start, ALLOC_NODE);
|
|
if (err)
|
|
goto out;
|
|
|
|
f2fs_wait_on_page_writeback(dn.node_page, NODE, true);
|
|
|
|
get_node_info(sbi, dn.nid, &ni);
|
|
f2fs_bug_on(sbi, ni.ino != ino_of_node(page));
|
|
f2fs_bug_on(sbi, ofs_of_node(dn.node_page) != ofs_of_node(page));
|
|
|
|
for (; start < end; start++, dn.ofs_in_node++) {
|
|
block_t src, dest;
|
|
|
|
src = datablock_addr(dn.node_page, dn.ofs_in_node);
|
|
dest = datablock_addr(page, dn.ofs_in_node);
|
|
|
|
/* skip recovering if dest is the same as src */
|
|
if (src == dest)
|
|
continue;
|
|
|
|
/* dest is invalid, just invalidate src block */
|
|
if (dest == NULL_ADDR) {
|
|
truncate_data_blocks_range(&dn, 1);
|
|
continue;
|
|
}
|
|
|
|
if ((start + 1) << PAGE_SHIFT > i_size_read(inode))
|
|
f2fs_i_size_write(inode, (start + 1) << PAGE_SHIFT);
|
|
|
|
/*
|
|
* dest is reserved block, invalidate src block
|
|
* and then reserve one new block in dnode page.
|
|
*/
|
|
if (dest == NEW_ADDR) {
|
|
truncate_data_blocks_range(&dn, 1);
|
|
reserve_new_block(&dn);
|
|
continue;
|
|
}
|
|
|
|
/* dest is valid block, try to recover from src to dest */
|
|
if (is_valid_blkaddr(sbi, dest, META_POR)) {
|
|
|
|
if (src == NULL_ADDR) {
|
|
err = reserve_new_block(&dn);
|
|
#ifdef CONFIG_F2FS_FAULT_INJECTION
|
|
while (err)
|
|
err = reserve_new_block(&dn);
|
|
#endif
|
|
/* We should not get -ENOSPC */
|
|
f2fs_bug_on(sbi, err);
|
|
if (err)
|
|
goto err;
|
|
}
|
|
|
|
/* Check the previous node page having this index */
|
|
err = check_index_in_prev_nodes(sbi, dest, &dn);
|
|
if (err)
|
|
goto err;
|
|
|
|
/* write dummy data page */
|
|
f2fs_replace_block(sbi, &dn, src, dest,
|
|
ni.version, false, false);
|
|
recovered++;
|
|
}
|
|
}
|
|
|
|
copy_node_footer(dn.node_page, page);
|
|
fill_node_footer(dn.node_page, dn.nid, ni.ino,
|
|
ofs_of_node(page), false);
|
|
set_page_dirty(dn.node_page);
|
|
err:
|
|
f2fs_put_dnode(&dn);
|
|
out:
|
|
f2fs_msg(sbi->sb, KERN_NOTICE,
|
|
"recover_data: ino = %lx, recovered = %d blocks, err = %d",
|
|
inode->i_ino, recovered, err);
|
|
return err;
|
|
}
|
|
|
|
static int recover_data(struct f2fs_sb_info *sbi, struct list_head *inode_list,
|
|
struct list_head *dir_list)
|
|
{
|
|
unsigned long long cp_ver = cur_cp_version(F2FS_CKPT(sbi));
|
|
struct curseg_info *curseg;
|
|
struct page *page = NULL;
|
|
int err = 0;
|
|
block_t blkaddr;
|
|
|
|
/* get node pages in the current segment */
|
|
curseg = CURSEG_I(sbi, CURSEG_WARM_NODE);
|
|
blkaddr = NEXT_FREE_BLKADDR(sbi, curseg);
|
|
|
|
while (1) {
|
|
struct fsync_inode_entry *entry;
|
|
|
|
if (!is_valid_blkaddr(sbi, blkaddr, META_POR))
|
|
break;
|
|
|
|
ra_meta_pages_cond(sbi, blkaddr);
|
|
|
|
page = get_tmp_page(sbi, blkaddr);
|
|
|
|
if (cp_ver != cpver_of_node(page)) {
|
|
f2fs_put_page(page, 1);
|
|
break;
|
|
}
|
|
|
|
entry = get_fsync_inode(inode_list, ino_of_node(page));
|
|
if (!entry)
|
|
goto next;
|
|
/*
|
|
* inode(x) | CP | inode(x) | dnode(F)
|
|
* In this case, we can lose the latest inode(x).
|
|
* So, call recover_inode for the inode update.
|
|
*/
|
|
if (IS_INODE(page))
|
|
recover_inode(entry->inode, page);
|
|
if (entry->last_dentry == blkaddr) {
|
|
err = recover_dentry(entry->inode, page, dir_list);
|
|
if (err) {
|
|
f2fs_put_page(page, 1);
|
|
break;
|
|
}
|
|
}
|
|
err = do_recover_data(sbi, entry->inode, page, blkaddr);
|
|
if (err) {
|
|
f2fs_put_page(page, 1);
|
|
break;
|
|
}
|
|
|
|
if (entry->blkaddr == blkaddr)
|
|
del_fsync_inode(entry);
|
|
next:
|
|
/* check next segment */
|
|
blkaddr = next_blkaddr_of_node(page);
|
|
f2fs_put_page(page, 1);
|
|
}
|
|
if (!err)
|
|
allocate_new_segments(sbi);
|
|
return err;
|
|
}
|
|
|
|
int recover_fsync_data(struct f2fs_sb_info *sbi, bool check_only)
|
|
{
|
|
struct curseg_info *curseg = CURSEG_I(sbi, CURSEG_WARM_NODE);
|
|
struct list_head inode_list;
|
|
struct list_head dir_list;
|
|
block_t blkaddr;
|
|
int err;
|
|
int ret = 0;
|
|
bool need_writecp = false;
|
|
|
|
fsync_entry_slab = f2fs_kmem_cache_create("f2fs_fsync_inode_entry",
|
|
sizeof(struct fsync_inode_entry));
|
|
if (!fsync_entry_slab)
|
|
return -ENOMEM;
|
|
|
|
INIT_LIST_HEAD(&inode_list);
|
|
INIT_LIST_HEAD(&dir_list);
|
|
|
|
/* prevent checkpoint */
|
|
mutex_lock(&sbi->cp_mutex);
|
|
|
|
blkaddr = NEXT_FREE_BLKADDR(sbi, curseg);
|
|
|
|
/* step #1: find fsynced inode numbers */
|
|
err = find_fsync_dnodes(sbi, &inode_list);
|
|
if (err || list_empty(&inode_list))
|
|
goto out;
|
|
|
|
if (check_only) {
|
|
ret = 1;
|
|
goto out;
|
|
}
|
|
|
|
need_writecp = true;
|
|
|
|
/* step #2: recover data */
|
|
err = recover_data(sbi, &inode_list, &dir_list);
|
|
if (!err)
|
|
f2fs_bug_on(sbi, !list_empty(&inode_list));
|
|
out:
|
|
destroy_fsync_dnodes(&inode_list);
|
|
|
|
/* truncate meta pages to be used by the recovery */
|
|
truncate_inode_pages_range(META_MAPPING(sbi),
|
|
(loff_t)MAIN_BLKADDR(sbi) << PAGE_SHIFT, -1);
|
|
|
|
if (err) {
|
|
truncate_inode_pages_final(NODE_MAPPING(sbi));
|
|
truncate_inode_pages_final(META_MAPPING(sbi));
|
|
}
|
|
|
|
clear_sbi_flag(sbi, SBI_POR_DOING);
|
|
if (err) {
|
|
bool invalidate = false;
|
|
|
|
if (test_opt(sbi, LFS)) {
|
|
update_meta_page(sbi, NULL, blkaddr);
|
|
invalidate = true;
|
|
} else if (discard_next_dnode(sbi, blkaddr)) {
|
|
invalidate = true;
|
|
}
|
|
|
|
/* Flush all the NAT/SIT pages */
|
|
while (get_pages(sbi, F2FS_DIRTY_META))
|
|
sync_meta_pages(sbi, META, LONG_MAX);
|
|
|
|
/* invalidate temporary meta page */
|
|
if (invalidate)
|
|
invalidate_mapping_pages(META_MAPPING(sbi),
|
|
blkaddr, blkaddr);
|
|
|
|
set_ckpt_flags(sbi->ckpt, CP_ERROR_FLAG);
|
|
mutex_unlock(&sbi->cp_mutex);
|
|
} else if (need_writecp) {
|
|
struct cp_control cpc = {
|
|
.reason = CP_RECOVERY,
|
|
};
|
|
mutex_unlock(&sbi->cp_mutex);
|
|
err = write_checkpoint(sbi, &cpc);
|
|
} else {
|
|
mutex_unlock(&sbi->cp_mutex);
|
|
}
|
|
|
|
destroy_fsync_dnodes(&dir_list);
|
|
kmem_cache_destroy(fsync_entry_slab);
|
|
return ret ? ret: err;
|
|
}
|