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Diffstat (limited to 'fs/f2fs/checkpoint.c')
-rw-r--r--fs/f2fs/checkpoint.c77
1 files changed, 52 insertions, 25 deletions
diff --git a/fs/f2fs/checkpoint.c b/fs/f2fs/checkpoint.c
index 3842af954cd5..0955312e5ca0 100644
--- a/fs/f2fs/checkpoint.c
+++ b/fs/f2fs/checkpoint.c
@@ -39,7 +39,7 @@ repeat:
cond_resched();
goto repeat;
}
- f2fs_wait_on_page_writeback(page, META);
+ f2fs_wait_on_page_writeback(page, META, true);
SetPageUptodate(page);
return page;
}
@@ -56,7 +56,8 @@ static struct page *__get_meta_page(struct f2fs_sb_info *sbi, pgoff_t index,
.sbi = sbi,
.type = META,
.rw = READ_SYNC | REQ_META | REQ_PRIO,
- .blk_addr = index,
+ .old_blkaddr = index,
+ .new_blkaddr = index,
.encrypted_page = NULL,
};
@@ -143,7 +144,6 @@ bool is_valid_blkaddr(struct f2fs_sb_info *sbi, block_t blkaddr, int type)
int ra_meta_pages(struct f2fs_sb_info *sbi, block_t start, int nrpages,
int type, bool sync)
{
- block_t prev_blk_addr = 0;
struct page *page;
block_t blkno = start;
struct f2fs_io_info fio = {
@@ -152,10 +152,12 @@ int ra_meta_pages(struct f2fs_sb_info *sbi, block_t start, int nrpages,
.rw = sync ? (READ_SYNC | REQ_META | REQ_PRIO) : READA,
.encrypted_page = NULL,
};
+ struct blk_plug plug;
if (unlikely(type == META_POR))
fio.rw &= ~REQ_META;
+ blk_start_plug(&plug);
for (; nrpages-- > 0; blkno++) {
if (!is_valid_blkaddr(sbi, blkno, type))
@@ -167,27 +169,24 @@ int ra_meta_pages(struct f2fs_sb_info *sbi, block_t start, int nrpages,
NAT_BLOCK_OFFSET(NM_I(sbi)->max_nid)))
blkno = 0;
/* get nat block addr */
- fio.blk_addr = current_nat_addr(sbi,
+ fio.new_blkaddr = current_nat_addr(sbi,
blkno * NAT_ENTRY_PER_BLOCK);
break;
case META_SIT:
/* get sit block addr */
- fio.blk_addr = current_sit_addr(sbi,
+ fio.new_blkaddr = current_sit_addr(sbi,
blkno * SIT_ENTRY_PER_BLOCK);
- if (blkno != start && prev_blk_addr + 1 != fio.blk_addr)
- goto out;
- prev_blk_addr = fio.blk_addr;
break;
case META_SSA:
case META_CP:
case META_POR:
- fio.blk_addr = blkno;
+ fio.new_blkaddr = blkno;
break;
default:
BUG();
}
- page = grab_cache_page(META_MAPPING(sbi), fio.blk_addr);
+ page = grab_cache_page(META_MAPPING(sbi), fio.new_blkaddr);
if (!page)
continue;
if (PageUptodate(page)) {
@@ -196,11 +195,13 @@ int ra_meta_pages(struct f2fs_sb_info *sbi, block_t start, int nrpages,
}
fio.page = page;
+ fio.old_blkaddr = fio.new_blkaddr;
f2fs_submit_page_mbio(&fio);
f2fs_put_page(page, 0);
}
out:
f2fs_submit_merged_bio(sbi, META, READ);
+ blk_finish_plug(&plug);
return blkno - start;
}
@@ -232,13 +233,17 @@ static int f2fs_write_meta_page(struct page *page,
if (unlikely(f2fs_cp_error(sbi)))
goto redirty_out;
- f2fs_wait_on_page_writeback(page, META);
write_meta_page(sbi, page);
dec_page_count(sbi, F2FS_DIRTY_META);
+
+ if (wbc->for_reclaim)
+ f2fs_submit_merged_bio_cond(sbi, NULL, page, 0, META, WRITE);
+
unlock_page(page);
- if (wbc->for_reclaim || unlikely(f2fs_cp_error(sbi)))
+ if (unlikely(f2fs_cp_error(sbi)))
f2fs_submit_merged_bio(sbi, META, WRITE);
+
return 0;
redirty_out:
@@ -252,13 +257,13 @@ static int f2fs_write_meta_pages(struct address_space *mapping,
struct f2fs_sb_info *sbi = F2FS_M_SB(mapping);
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))
goto skip_write;
+ trace_f2fs_writepages(mapping->host, wbc, META);
+
/* if mounting is failed, skip writing node pages */
mutex_lock(&sbi->cp_mutex);
diff = nr_pages_to_write(sbi, META, wbc);
@@ -269,6 +274,7 @@ static int f2fs_write_meta_pages(struct address_space *mapping,
skip_write:
wbc->pages_skipped += get_pages(sbi, F2FS_DIRTY_META);
+ trace_f2fs_writepages(mapping->host, wbc, META);
return 0;
}
@@ -276,15 +282,18 @@ long sync_meta_pages(struct f2fs_sb_info *sbi, enum page_type type,
long nr_to_write)
{
struct address_space *mapping = META_MAPPING(sbi);
- pgoff_t index = 0, end = LONG_MAX, prev = LONG_MAX;
+ pgoff_t index = 0, end = ULONG_MAX, prev = ULONG_MAX;
struct pagevec pvec;
long nwritten = 0;
struct writeback_control wbc = {
.for_reclaim = 0,
};
+ struct blk_plug plug;
pagevec_init(&pvec, 0);
+ blk_start_plug(&plug);
+
while (index <= end) {
int i, nr_pages;
nr_pages = pagevec_lookup_tag(&pvec, mapping, &index,
@@ -296,7 +305,7 @@ long sync_meta_pages(struct f2fs_sb_info *sbi, enum page_type type,
for (i = 0; i < nr_pages; i++) {
struct page *page = pvec.pages[i];
- if (prev == LONG_MAX)
+ if (prev == ULONG_MAX)
prev = page->index - 1;
if (nr_to_write != LONG_MAX && page->index != prev + 1) {
pagevec_release(&pvec);
@@ -315,6 +324,9 @@ continue_unlock:
goto continue_unlock;
}
+ f2fs_wait_on_page_writeback(page, META, true);
+
+ BUG_ON(PageWriteback(page));
if (!clear_page_dirty_for_io(page))
goto continue_unlock;
@@ -334,6 +346,8 @@ stop:
if (nwritten)
f2fs_submit_merged_bio(sbi, type, WRITE);
+ blk_finish_plug(&plug);
+
return nwritten;
}
@@ -621,7 +635,7 @@ static struct page *validate_checkpoint(struct f2fs_sb_info *sbi,
goto invalid_cp1;
crc = le32_to_cpu(*((__le32 *)((unsigned char *)cp_block + crc_offset)));
- if (!f2fs_crc_valid(crc, cp_block, crc_offset))
+ if (!f2fs_crc_valid(sbi, crc, cp_block, crc_offset))
goto invalid_cp1;
pre_version = cur_cp_version(cp_block);
@@ -636,7 +650,7 @@ static struct page *validate_checkpoint(struct f2fs_sb_info *sbi,
goto invalid_cp2;
crc = le32_to_cpu(*((__le32 *)((unsigned char *)cp_block + crc_offset)));
- if (!f2fs_crc_valid(crc, cp_block, crc_offset))
+ if (!f2fs_crc_valid(sbi, crc, cp_block, crc_offset))
goto invalid_cp2;
cur_version = cur_cp_version(cp_block);
@@ -696,6 +710,10 @@ int get_valid_checkpoint(struct f2fs_sb_info *sbi)
cp_block = (struct f2fs_checkpoint *)page_address(cur_page);
memcpy(sbi->ckpt, cp_block, blk_size);
+ /* Sanity checking of checkpoint */
+ if (sanity_check_ckpt(sbi))
+ goto fail_no_cp;
+
if (cp_blks <= 1)
goto done;
@@ -902,7 +920,7 @@ static void wait_on_all_pages_writeback(struct f2fs_sb_info *sbi)
if (!get_pages(sbi, F2FS_WRITEBACK))
break;
- io_schedule();
+ io_schedule_timeout(5*HZ);
}
finish_wait(&sbi->cp_wait, &wait);
}
@@ -921,6 +939,9 @@ static int do_checkpoint(struct f2fs_sb_info *sbi, struct cp_control *cpc)
int cp_payload_blks = __cp_payload(sbi);
block_t discard_blk = NEXT_FREE_BLKADDR(sbi, curseg);
bool invalidate = false;
+ struct super_block *sb = sbi->sb;
+ struct curseg_info *seg_i = CURSEG_I(sbi, CURSEG_HOT_NODE);
+ u64 kbytes_written;
/*
* This avoids to conduct wrong roll-forward operations and uses
@@ -1008,7 +1029,7 @@ static int do_checkpoint(struct f2fs_sb_info *sbi, struct cp_control *cpc)
get_sit_bitmap(sbi, __bitmap_ptr(sbi, SIT_BITMAP));
get_nat_bitmap(sbi, __bitmap_ptr(sbi, NAT_BITMAP));
- crc32 = f2fs_crc32(ckpt, le32_to_cpu(ckpt->checksum_offset));
+ crc32 = f2fs_crc32(sbi, ckpt, le32_to_cpu(ckpt->checksum_offset));
*((__le32 *)((unsigned char *)ckpt +
le32_to_cpu(ckpt->checksum_offset)))
= cpu_to_le32(crc32);
@@ -1034,6 +1055,14 @@ static int do_checkpoint(struct f2fs_sb_info *sbi, struct cp_control *cpc)
write_data_summaries(sbi, start_blk);
start_blk += data_sum_blocks;
+
+ /* Record write statistics in the hot node summary */
+ kbytes_written = sbi->kbytes_written;
+ if (sb->s_bdev->bd_part)
+ kbytes_written += BD_PART_WRITTEN(sbi);
+
+ seg_i->journal->info.kbytes_written = cpu_to_le64(kbytes_written);
+
if (__remain_node_summaries(cpc->reason)) {
write_node_summaries(sbi, start_blk);
start_blk += NR_CURSEG_NODE_TYPE;
@@ -1048,8 +1077,8 @@ static int do_checkpoint(struct f2fs_sb_info *sbi, struct cp_control *cpc)
if (unlikely(f2fs_cp_error(sbi)))
return -EIO;
- filemap_fdatawait_range(NODE_MAPPING(sbi), 0, LONG_MAX);
- filemap_fdatawait_range(META_MAPPING(sbi), 0, LONG_MAX);
+ filemap_fdatawait_range(NODE_MAPPING(sbi), 0, LLONG_MAX);
+ filemap_fdatawait_range(META_MAPPING(sbi), 0, LLONG_MAX);
/* update user_block_counts */
sbi->last_valid_block_count = sbi->total_valid_block_count;
@@ -1112,9 +1141,7 @@ int write_checkpoint(struct f2fs_sb_info *sbi, struct cp_control *cpc)
trace_f2fs_write_checkpoint(sbi->sb, cpc->reason, "finish block_ops");
- f2fs_submit_merged_bio(sbi, DATA, WRITE);
- f2fs_submit_merged_bio(sbi, NODE, WRITE);
- f2fs_submit_merged_bio(sbi, META, WRITE);
+ f2fs_flush_merged_bios(sbi);
/*
* update checkpoint pack index
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-30 20:33:56 +0100