struct address_space *mapping = META_MAPPING(sbi);
struct page *page = NULL;
repeat:
- page = grab_cache_page_write_begin(mapping, index, AOP_FLAG_NOFS);
+ page = grab_cache_page(mapping, index);
if (!page) {
cond_resched();
goto repeat;
}
-
+ f2fs_wait_on_page_writeback(page, META);
SetPageUptodate(page);
return page;
}
return page;
}
-inline int get_max_meta_blks(struct f2fs_sb_info *sbi, int type)
+static inline int get_max_meta_blks(struct f2fs_sb_info *sbi, int type)
{
switch (type) {
case META_NAT:
struct inode *inode = page->mapping->host;
struct f2fs_sb_info *sbi = F2FS_SB(inode->i_sb);
+ trace_f2fs_writepage(page, META);
+
if (unlikely(sbi->por_doing))
goto redirty_out;
if (wbc->for_reclaim)
return 0;
redirty_out:
- dec_page_count(sbi, F2FS_DIRTY_META);
- wbc->pages_skipped++;
- account_page_redirty(page);
- set_page_dirty(page);
+ redirty_page_for_writepage(wbc, page);
return AOP_WRITEPAGE_ACTIVATE;
}
struct f2fs_sb_info *sbi = F2FS_SB(mapping->host->i_sb);
long diff, written;
+ trace_f2fs_writepages(mapping->host, wbc, META);
+
/* collect a number of dirty meta pages and write together */
if (wbc->for_kupdate ||
get_pages(sbi, F2FS_DIRTY_META) < nr_pages_to_skip(sbi, META))
return;
sbi->por_doing = true;
- start_blk = __start_cp_addr(sbi) + 1;
+
+ start_blk = __start_cp_addr(sbi) + 1 +
+ le32_to_cpu(F2FS_RAW_SUPER(sbi)->cp_payload);
orphan_blkaddr = __start_sum_addr(sbi) - 1;
ra_meta_pages(sbi, start_blk, orphan_blkaddr, META_CP);
unsigned long blk_size = sbi->blocksize;
unsigned long long cp1_version = 0, cp2_version = 0;
unsigned long long cp_start_blk_no;
+ unsigned int cp_blks = 1 + le32_to_cpu(F2FS_RAW_SUPER(sbi)->cp_payload);
+ block_t cp_blk_no;
+ int i;
- sbi->ckpt = kzalloc(blk_size, GFP_KERNEL);
+ sbi->ckpt = kzalloc(cp_blks * blk_size, GFP_KERNEL);
if (!sbi->ckpt)
return -ENOMEM;
/*
cp_block = (struct f2fs_checkpoint *)page_address(cur_page);
memcpy(sbi->ckpt, cp_block, blk_size);
+ if (cp_blks <= 1)
+ goto done;
+
+ cp_blk_no = le32_to_cpu(fsb->cp_blkaddr);
+ if (cur_page == cp2)
+ cp_blk_no += 1 << le32_to_cpu(fsb->log_blocks_per_seg);
+
+ for (i = 1; i < cp_blks; i++) {
+ void *sit_bitmap_ptr;
+ unsigned char *ckpt = (unsigned char *)sbi->ckpt;
+
+ cur_page = get_meta_page(sbi, cp_blk_no + i);
+ sit_bitmap_ptr = page_address(cur_page);
+ memcpy(ckpt + i * blk_size, sit_bitmap_ptr, blk_size);
+ f2fs_put_page(cur_page, 1);
+ }
+done:
f2fs_put_page(cp1, 1);
f2fs_put_page(cp2, 1);
return 0;
static int __add_dirty_inode(struct inode *inode, struct dir_inode_entry *new)
{
struct f2fs_sb_info *sbi = F2FS_SB(inode->i_sb);
- struct list_head *head = &sbi->dir_inode_list;
- struct dir_inode_entry *entry;
- list_for_each_entry(entry, head, list)
- if (unlikely(entry->inode == inode))
- return -EEXIST;
+ if (is_inode_flag_set(F2FS_I(inode), FI_DIRTY_DIR))
+ return -EEXIST;
- list_add_tail(&new->list, head);
+ set_inode_flag(F2FS_I(inode), FI_DIRTY_DIR);
+ F2FS_I(inode)->dirty_dir = new;
+ list_add_tail(&new->list, &sbi->dir_inode_list);
stat_inc_dirty_dir(sbi);
return 0;
}
void remove_dirty_dir_inode(struct inode *inode)
{
struct f2fs_sb_info *sbi = F2FS_SB(inode->i_sb);
- struct list_head *head;
struct dir_inode_entry *entry;
if (!S_ISDIR(inode->i_mode))
return;
spin_lock(&sbi->dir_inode_lock);
- if (get_dirty_dents(inode)) {
+ if (get_dirty_dents(inode) ||
+ !is_inode_flag_set(F2FS_I(inode), FI_DIRTY_DIR)) {
spin_unlock(&sbi->dir_inode_lock);
return;
}
- head = &sbi->dir_inode_list;
- list_for_each_entry(entry, head, list) {
- if (entry->inode == inode) {
- list_del(&entry->list);
- stat_dec_dirty_dir(sbi);
- spin_unlock(&sbi->dir_inode_lock);
- kmem_cache_free(inode_entry_slab, entry);
- goto done;
- }
- }
+ entry = F2FS_I(inode)->dirty_dir;
+ list_del(&entry->list);
+ F2FS_I(inode)->dirty_dir = NULL;
+ clear_inode_flag(F2FS_I(inode), FI_DIRTY_DIR);
+ stat_dec_dirty_dir(sbi);
spin_unlock(&sbi->dir_inode_lock);
+ kmem_cache_free(inode_entry_slab, entry);
-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 *head;
- struct inode *inode = NULL;
- struct dir_inode_entry *entry;
-
- spin_lock(&sbi->dir_inode_lock);
-
- head = &sbi->dir_inode_list;
- list_for_each_entry(entry, head, list) {
- if (entry->inode->i_ino == ino) {
- inode = entry->inode;
- break;
- }
- }
- spin_unlock(&sbi->dir_inode_lock);
- return inode;
-}
-
void sync_dirty_dir_inodes(struct f2fs_sb_info *sbi)
{
struct list_head *head;
__u32 crc32 = 0;
void *kaddr;
int i;
+ int cp_payload_blks = le32_to_cpu(F2FS_RAW_SUPER(sbi)->cp_payload);
+
+ /*
+ * This avoids to conduct wrong roll-forward operations and uses
+ * metapages, so should be called prior to sync_meta_pages below.
+ */
+ discard_next_dnode(sbi);
/* Flush all the NAT/SIT pages */
while (get_pages(sbi, F2FS_DIRTY_META))
orphan_blocks = (sbi->n_orphans + F2FS_ORPHANS_PER_BLOCK - 1)
/ F2FS_ORPHANS_PER_BLOCK;
- ckpt->cp_pack_start_sum = cpu_to_le32(1 + orphan_blocks);
+ ckpt->cp_pack_start_sum = cpu_to_le32(1 + cp_payload_blks +
+ orphan_blocks);
if (is_umount) {
set_ckpt_flags(ckpt, CP_UMOUNT_FLAG);
ckpt->cp_pack_total_block_count = cpu_to_le32(2 +
- data_sum_blocks + orphan_blocks + NR_CURSEG_NODE_TYPE);
+ cp_payload_blks + data_sum_blocks +
+ orphan_blocks + NR_CURSEG_NODE_TYPE);
} else {
clear_ckpt_flags(ckpt, CP_UMOUNT_FLAG);
ckpt->cp_pack_total_block_count = cpu_to_le32(2 +
- data_sum_blocks + orphan_blocks);
+ cp_payload_blks + data_sum_blocks +
+ orphan_blocks);
}
if (sbi->n_orphans)
set_page_dirty(cp_page);
f2fs_put_page(cp_page, 1);
+ for (i = 1; i < 1 + cp_payload_blks; i++) {
+ cp_page = grab_meta_page(sbi, start_blk++);
+ kaddr = page_address(cp_page);
+ memcpy(kaddr, (char *)ckpt + i * F2FS_BLKSIZE,
+ (1 << sbi->log_blocksize));
+ set_page_dirty(cp_page);
+ f2fs_put_page(cp_page, 1);
+ }
+
if (sbi->n_orphans) {
write_orphan_inodes(sbi, start_blk);
start_blk += orphan_blocks;
projects / firefly-linux-kernel-4.4.55.git / blobdiff