If data block in compressed cluster is not persisted with metadata
during checkpoint, after SPOR, the data may be corrupted, let's
guarantee to write compressed page by checkpoint.
Fixes: 4c8ff7095bef ("f2fs: support data compression")
Signed-off-by: Chao Yu <c...@kernel.org>
---
fs/f2fs/compress.c | 4 +++-
fs/f2fs/data.c | 17 +++++++++--------
fs/f2fs/f2fs.h | 4 +++-
3 files changed, 15 insertions(+), 10 deletions(-)
diff --git a/fs/f2fs/compress.c b/fs/f2fs/compress.c
index c5a4364c4482..9940b7886e5d 100644
--- a/fs/f2fs/compress.c
+++ b/fs/f2fs/compress.c
@@ -1418,6 +1418,8 @@ void f2fs_compress_write_end_io(struct bio *bio, struct
page *page)
struct f2fs_sb_info *sbi = bio->bi_private;
struct compress_io_ctx *cic =
(struct compress_io_ctx *)page_private(page);
+ enum count_type type = WB_DATA_TYPE(page,
+ f2fs_is_compressed_page(page));
int i;
if (unlikely(bio->bi_status))
@@ -1425,7 +1427,7 @@ void f2fs_compress_write_end_io(struct bio *bio, struct
page *page)
f2fs_compress_free_page(page);
- dec_page_count(sbi, F2FS_WB_DATA);
+ dec_page_count(sbi, type);
if (atomic_dec_return(&cic->pending_pages))
return;
diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c
index dce8defdf4c7..81f9e2cc49e2 100644
--- a/fs/f2fs/data.c
+++ b/fs/f2fs/data.c
@@ -48,7 +48,7 @@ void f2fs_destroy_bioset(void)
bioset_exit(&f2fs_bioset);
}
-static bool __is_cp_guaranteed(struct page *page)
+bool f2fs_is_cp_guaranteed(struct page *page)
{
struct address_space *mapping = page->mapping;
struct inode *inode;
@@ -65,8 +65,6 @@ static bool __is_cp_guaranteed(struct page *page)
S_ISDIR(inode->i_mode))
return true;
- if (f2fs_is_compressed_page(page))
- return false;
if ((S_ISREG(inode->i_mode) && IS_NOQUOTA(inode)) ||
page_private_gcing(page))
return true;
@@ -338,7 +336,7 @@ static void f2fs_write_end_io(struct bio *bio)
bio_for_each_segment_all(bvec, bio, iter_all) {
struct page *page = bvec->bv_page;
- enum count_type type = WB_DATA_TYPE(page);
+ enum count_type type = WB_DATA_TYPE(page, false);
if (page_private_dummy(page)) {
clear_page_private_dummy(page);
@@ -762,7 +760,7 @@ int f2fs_submit_page_bio(struct f2fs_io_info *fio)
wbc_account_cgroup_owner(fio->io_wbc, fio->page, PAGE_SIZE);
inc_page_count(fio->sbi, is_read_io(fio->op) ?
- __read_io_type(page) : WB_DATA_TYPE(fio->page));
+ __read_io_type(page) : WB_DATA_TYPE(fio->page, false));
if (is_read_io(bio_op(bio)))
f2fs_submit_read_bio(fio->sbi, bio, fio->type);
@@ -973,7 +971,7 @@ int f2fs_merge_page_bio(struct f2fs_io_info *fio)
if (fio->io_wbc)
wbc_account_cgroup_owner(fio->io_wbc, fio->page, PAGE_SIZE);
- inc_page_count(fio->sbi, WB_DATA_TYPE(page));
+ inc_page_count(fio->sbi, WB_DATA_TYPE(page, false));
*fio->last_block = fio->new_blkaddr;
*fio->bio = bio;
@@ -1007,6 +1005,7 @@ void f2fs_submit_page_write(struct f2fs_io_info *fio)
enum page_type btype = PAGE_TYPE_OF_BIO(fio->type);
struct f2fs_bio_info *io = sbi->write_io[btype] + fio->temp;
struct page *bio_page;
+ enum count_type type;
f2fs_bug_on(sbi, is_read_io(fio->op));
@@ -1046,7 +1045,8 @@ void f2fs_submit_page_write(struct f2fs_io_info *fio)
/* set submitted = true as a return value */
fio->submitted = 1;
- inc_page_count(sbi, WB_DATA_TYPE(bio_page));
+ type = WB_DATA_TYPE(bio_page, fio->compressed_page);
+ inc_page_count(sbi, type);
if (io->bio &&
(!io_is_mergeable(sbi, io->bio, io, fio, io->last_block_in_bio,
@@ -1059,7 +1059,8 @@ void f2fs_submit_page_write(struct f2fs_io_info *fio)
if (F2FS_IO_ALIGNED(sbi) &&
(fio->type == DATA || fio->type == NODE) &&
fio->new_blkaddr & F2FS_IO_SIZE_MASK(sbi)) {
- dec_page_count(sbi, WB_DATA_TYPE(bio_page));
+ dec_page_count(sbi, WB_DATA_TYPE(bio_page,
+ fio->compressed_page));
fio->retry = 1;
goto skip;
}
diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h
index 65294e3b0bef..50f3d546ded8 100644
--- a/fs/f2fs/f2fs.h
+++ b/fs/f2fs/f2fs.h
@@ -1080,7 +1080,8 @@ struct f2fs_sm_info {
* f2fs monitors the number of several block types such as on-writeback,
* dirty dentry blocks, dirty node blocks, and dirty meta blocks.
*/
-#define WB_DATA_TYPE(p) (__is_cp_guaranteed(p) ? F2FS_WB_CP_DATA :
F2FS_WB_DATA)
+#define WB_DATA_TYPE(p, f) \
+ (f || f2fs_is_cp_guaranteed(p) ? F2FS_WB_CP_DATA : F2FS_WB_DATA)
enum count_type {
F2FS_DIRTY_DENTS,
F2FS_DIRTY_DATA,
@@ -3804,6 +3805,7 @@ void f2fs_init_ckpt_req_control(struct f2fs_sb_info *sbi);
*/
int __init f2fs_init_bioset(void);
void f2fs_destroy_bioset(void);
+bool f2fs_is_cp_guaranteed(struct page *page);
int f2fs_init_bio_entry_cache(void);
void f2fs_destroy_bio_entry_cache(void);
void f2fs_submit_read_bio(struct f2fs_sb_info *sbi, struct bio *bio,
--
2.40.1
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