summaryrefslogtreecommitdiff
path: root/fs/f2fs/checkpoint.c
diff options
context:
space:
mode:
Diffstat (limited to 'fs/f2fs/checkpoint.c')
-rw-r--r--fs/f2fs/checkpoint.c98
1 files changed, 71 insertions, 27 deletions
diff --git a/fs/f2fs/checkpoint.c b/fs/f2fs/checkpoint.c
index 7e9b504bd8b2..0339daf4ca02 100644
--- a/fs/f2fs/checkpoint.c
+++ b/fs/f2fs/checkpoint.c
@@ -65,7 +65,7 @@ static struct page *__get_meta_page(struct f2fs_sb_info *sbi, pgoff_t index,
.sbi = sbi,
.type = META,
.op = REQ_OP_READ,
- .op_flags = READ_SYNC | REQ_META | REQ_PRIO,
+ .op_flags = REQ_META | REQ_PRIO,
.old_blkaddr = index,
.new_blkaddr = index,
.encrypted_page = NULL,
@@ -160,7 +160,7 @@ int ra_meta_pages(struct f2fs_sb_info *sbi, block_t start, int nrpages,
.sbi = sbi,
.type = META,
.op = REQ_OP_READ,
- .op_flags = sync ? (READ_SYNC | REQ_META | REQ_PRIO) : REQ_RAHEAD,
+ .op_flags = sync ? (REQ_META | REQ_PRIO) : REQ_RAHEAD,
.encrypted_page = NULL,
};
struct blk_plug plug;
@@ -228,7 +228,7 @@ void ra_meta_pages_cond(struct f2fs_sb_info *sbi, pgoff_t index)
f2fs_put_page(page, 0);
if (readahead)
- ra_meta_pages(sbi, index, MAX_BIO_BLOCKS(sbi), META_POR, true);
+ ra_meta_pages(sbi, index, BIO_MAX_PAGES, META_POR, true);
}
static int f2fs_write_meta_page(struct page *page,
@@ -249,7 +249,8 @@ static int f2fs_write_meta_page(struct page *page,
dec_page_count(sbi, F2FS_DIRTY_META);
if (wbc->for_reclaim)
- f2fs_submit_merged_bio_cond(sbi, NULL, page, 0, META, WRITE);
+ f2fs_submit_merged_bio_cond(sbi, page->mapping->host,
+ 0, page->index, META, WRITE);
unlock_page(page);
@@ -493,6 +494,7 @@ int acquire_orphan_inode(struct f2fs_sb_info *sbi)
#ifdef CONFIG_F2FS_FAULT_INJECTION
if (time_to_inject(sbi, FAULT_ORPHAN)) {
spin_unlock(&im->ino_lock);
+ f2fs_show_injection_info(FAULT_ORPHAN);
return -ENOSPC;
}
#endif
@@ -681,8 +683,7 @@ static int get_checkpoint_version(struct f2fs_sb_info *sbi, block_t cp_addr,
return -EINVAL;
}
- crc = le32_to_cpu(*((__le32 *)((unsigned char *)*cp_block
- + crc_offset)));
+ crc = cur_cp_crc(*cp_block);
if (!f2fs_crc_valid(sbi, crc, *cp_block, crc_offset)) {
f2fs_msg(sbi->sb, KERN_WARNING, "invalid crc value");
return -EINVAL;
@@ -770,7 +771,12 @@ int get_valid_checkpoint(struct f2fs_sb_info *sbi)
/* Sanity checking of checkpoint */
if (sanity_check_ckpt(sbi))
- goto fail_no_cp;
+ goto free_fail_no_cp;
+
+ if (cur_page == cp1)
+ sbi->cur_cp_pack = 1;
+ else
+ sbi->cur_cp_pack = 2;
if (cp_blks <= 1)
goto done;
@@ -793,6 +799,9 @@ done:
f2fs_put_page(cp2, 1);
return 0;
+free_fail_no_cp:
+ f2fs_put_page(cp1, 1);
+ f2fs_put_page(cp2, 1);
fail_no_cp:
kfree(sbi->ckpt);
return -EINVAL;
@@ -883,7 +892,7 @@ retry:
F2FS_DIRTY_DENTS : F2FS_DIRTY_DATA));
return 0;
}
- fi = list_entry(head->next, struct f2fs_inode_info, dirty_list);
+ fi = list_first_entry(head, struct f2fs_inode_info, dirty_list);
inode = igrab(&fi->vfs_inode);
spin_unlock(&sbi->inode_lock[type]);
if (inode) {
@@ -916,12 +925,16 @@ int f2fs_sync_inode_meta(struct f2fs_sb_info *sbi)
spin_unlock(&sbi->inode_lock[DIRTY_META]);
return 0;
}
- fi = list_entry(head->next, struct f2fs_inode_info,
+ fi = list_first_entry(head, struct f2fs_inode_info,
gdirty_list);
inode = igrab(&fi->vfs_inode);
spin_unlock(&sbi->inode_lock[DIRTY_META]);
if (inode) {
- update_inode_page(inode);
+ sync_inode_metadata(inode, 0);
+
+ /* it's on eviction */
+ if (is_inode_flag_set(inode, FI_DIRTY_INODE))
+ update_inode_page(inode);
iput(inode);
}
};
@@ -986,8 +999,6 @@ out:
static void unblock_operations(struct f2fs_sb_info *sbi)
{
up_write(&sbi->node_write);
-
- build_free_nids(sbi);
f2fs_unlock_all(sbi);
}
@@ -998,7 +1009,7 @@ static void wait_on_all_pages_writeback(struct f2fs_sb_info *sbi)
for (;;) {
prepare_to_wait(&sbi->cp_wait, &wait, TASK_UNINTERRUPTIBLE);
- if (!atomic_read(&sbi->nr_wb_bios))
+ if (!get_pages(sbi, F2FS_WB_CP_DATA))
break;
io_schedule_timeout(5*HZ);
@@ -1013,6 +1024,10 @@ static void update_ckpt_flags(struct f2fs_sb_info *sbi, struct cp_control *cpc)
spin_lock(&sbi->cp_lock);
+ if (cpc->reason == CP_UMOUNT && ckpt->cp_pack_total_block_count >
+ sbi->blocks_per_seg - NM_I(sbi)->nat_bits_blocks)
+ disable_nat_bits(sbi, false);
+
if (cpc->reason == CP_UMOUNT)
__set_ckpt_flags(ckpt, CP_UMOUNT_FLAG);
else
@@ -1123,7 +1138,29 @@ static int do_checkpoint(struct f2fs_sb_info *sbi, struct cp_control *cpc)
le32_to_cpu(ckpt->checksum_offset)))
= cpu_to_le32(crc32);
- start_blk = __start_cp_addr(sbi);
+ start_blk = __start_cp_next_addr(sbi);
+
+ /* write nat bits */
+ if (enabled_nat_bits(sbi, cpc)) {
+ __u64 cp_ver = cur_cp_version(ckpt);
+ unsigned int i;
+ block_t blk;
+
+ cp_ver |= ((__u64)crc32 << 32);
+ *(__le64 *)nm_i->nat_bits = cpu_to_le64(cp_ver);
+
+ blk = start_blk + sbi->blocks_per_seg - nm_i->nat_bits_blocks;
+ for (i = 0; i < nm_i->nat_bits_blocks; i++)
+ update_meta_page(sbi, nm_i->nat_bits +
+ (i << F2FS_BLKSIZE_BITS), blk + i);
+
+ /* Flush all the NAT BITS pages */
+ while (get_pages(sbi, F2FS_DIRTY_META)) {
+ sync_meta_pages(sbi, META, LONG_MAX);
+ if (unlikely(f2fs_cp_error(sbi)))
+ return -EIO;
+ }
+ }
/* need to wait for end_io results */
wait_on_all_pages_writeback(sbi);
@@ -1184,9 +1221,9 @@ static int do_checkpoint(struct f2fs_sb_info *sbi, struct cp_control *cpc)
if (unlikely(f2fs_cp_error(sbi)))
return -EIO;
- clear_prefree_segments(sbi, cpc);
clear_sbi_flag(sbi, SBI_IS_DIRTY);
clear_sbi_flag(sbi, SBI_NEED_CP);
+ __set_cp_next_pack(sbi);
/*
* redirty superblock if metadata like node page or inode cache is
@@ -1236,15 +1273,20 @@ int write_checkpoint(struct f2fs_sb_info *sbi, struct cp_control *cpc)
f2fs_flush_merged_bios(sbi);
/* this is the case of multiple fstrims without any changes */
- if (cpc->reason == CP_DISCARD && !is_sbi_flag_set(sbi, SBI_IS_DIRTY)) {
- f2fs_bug_on(sbi, NM_I(sbi)->dirty_nat_cnt);
- f2fs_bug_on(sbi, SIT_I(sbi)->dirty_sentries);
- f2fs_bug_on(sbi, prefree_segments(sbi));
- flush_sit_entries(sbi, cpc);
- clear_prefree_segments(sbi, cpc);
- f2fs_wait_all_discard_bio(sbi);
- unblock_operations(sbi);
- goto out;
+ if (cpc->reason == CP_DISCARD) {
+ if (!exist_trim_candidates(sbi, cpc)) {
+ unblock_operations(sbi);
+ goto out;
+ }
+
+ if (NM_I(sbi)->dirty_nat_cnt == 0 &&
+ SIT_I(sbi)->dirty_sentries == 0 &&
+ prefree_segments(sbi) == 0) {
+ flush_sit_entries(sbi, cpc);
+ clear_prefree_segments(sbi, cpc);
+ unblock_operations(sbi);
+ goto out;
+ }
}
/*
@@ -1256,13 +1298,15 @@ int write_checkpoint(struct f2fs_sb_info *sbi, struct cp_control *cpc)
ckpt->checkpoint_ver = cpu_to_le64(++ckpt_ver);
/* write cached NAT/SIT entries to NAT/SIT area */
- flush_nat_entries(sbi);
+ flush_nat_entries(sbi, cpc);
flush_sit_entries(sbi, cpc);
/* unlock all the fs_lock[] in do_checkpoint() */
err = do_checkpoint(sbi, cpc);
-
- f2fs_wait_all_discard_bio(sbi);
+ if (err)
+ release_discard_addrs(sbi);
+ else
+ clear_prefree_segments(sbi, cpc);
unblock_operations(sbi);
stat_inc_cp_count(sbi->stat_info);
generated by cgit v1.2.3 (git 2.46.0) at 2025-09-07 13:48:57 +0000