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authorChristoph Hellwig <hch@lst.de>2022-02-28 14:41:23 +0200
committerJens Axboe <axboe@kernel.dk>2022-03-08 17:59:03 -0700
commit64bf0eef0171912f7c2f3ea30ee6ad7a2ad0a511 (patch)
treeb6de6d0f5a9c62d6523ac6e230be11cf4380bdb0 /fs
parent5189810a6687b6f01d35b4a7b407eb1f6edb97e5 (diff)
f2fs: pass the bio operation to bio_alloc_bioset
Refactor block I/O code so that the bio operation and known flags are set at bio allocation time. Only the later updated flags are updated on the fly. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Chao Yu <chao@kernel.org> Link: https://lore.kernel.org/r/20220228124123.856027-3-hch@lst.de Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'fs')
-rw-r--r--fs/f2fs/data.c70
1 files changed, 29 insertions, 41 deletions
diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c
index 59dd0347c4bc..fc077bce679d 100644
--- a/fs/f2fs/data.c
+++ b/fs/f2fs/data.c
@@ -388,6 +388,24 @@ int f2fs_target_device_index(struct f2fs_sb_info *sbi, block_t blkaddr)
return 0;
}
+static void __attach_io_flag(struct f2fs_io_info *fio, unsigned int io_flag)
+{
+ unsigned int temp_mask = (1 << NR_TEMP_TYPE) - 1;
+ unsigned int fua_flag = io_flag & temp_mask;
+ unsigned int meta_flag = (io_flag >> NR_TEMP_TYPE) & temp_mask;
+
+ /*
+ * data/node io flag bits per temp:
+ * REQ_META | REQ_FUA |
+ * 5 | 4 | 3 | 2 | 1 | 0 |
+ * Cold | Warm | Hot | Cold | Warm | Hot |
+ */
+ if ((1 << fio->temp) & meta_flag)
+ fio->op_flags |= REQ_META;
+ if ((1 << fio->temp) & fua_flag)
+ fio->op_flags |= REQ_FUA;
+}
+
static struct bio *__bio_alloc(struct f2fs_io_info *fio, int npages)
{
struct f2fs_sb_info *sbi = fio->sbi;
@@ -395,8 +413,14 @@ static struct bio *__bio_alloc(struct f2fs_io_info *fio, int npages)
sector_t sector;
struct bio *bio;
+ if (fio->type == DATA)
+ __attach_io_flag(fio, sbi->data_io_flag);
+ else if (fio->type == NODE)
+ __attach_io_flag(fio, sbi->node_io_flag);
+
bdev = f2fs_target_device(sbi, fio->new_blkaddr, &sector);
- bio = bio_alloc_bioset(bdev, npages, 0, GFP_NOIO, &f2fs_bioset);
+ bio = bio_alloc_bioset(bdev, npages, fio->op | fio->op_flags, GFP_NOIO,
+ &f2fs_bioset);
bio->bi_iter.bi_sector = sector;
if (is_read_io(fio->op)) {
bio->bi_end_io = f2fs_read_end_io;
@@ -501,34 +525,6 @@ void f2fs_submit_bio(struct f2fs_sb_info *sbi,
__submit_bio(sbi, bio, type);
}
-static void __attach_io_flag(struct f2fs_io_info *fio)
-{
- struct f2fs_sb_info *sbi = fio->sbi;
- unsigned int temp_mask = (1 << NR_TEMP_TYPE) - 1;
- unsigned int io_flag, fua_flag, meta_flag;
-
- if (fio->type == DATA)
- io_flag = sbi->data_io_flag;
- else if (fio->type == NODE)
- io_flag = sbi->node_io_flag;
- else
- return;
-
- fua_flag = io_flag & temp_mask;
- meta_flag = (io_flag >> NR_TEMP_TYPE) & temp_mask;
-
- /*
- * data/node io flag bits per temp:
- * REQ_META | REQ_FUA |
- * 5 | 4 | 3 | 2 | 1 | 0 |
- * Cold | Warm | Hot | Cold | Warm | Hot |
- */
- if ((1 << fio->temp) & meta_flag)
- fio->op_flags |= REQ_META;
- if ((1 << fio->temp) & fua_flag)
- fio->op_flags |= REQ_FUA;
-}
-
static void __submit_merged_bio(struct f2fs_bio_info *io)
{
struct f2fs_io_info *fio = &io->fio;
@@ -536,9 +532,6 @@ static void __submit_merged_bio(struct f2fs_bio_info *io)
if (!io->bio)
return;
- __attach_io_flag(fio);
- bio_set_op_attrs(io->bio, fio->op, fio->op_flags);
-
if (is_read_io(fio->op))
trace_f2fs_prepare_read_bio(io->sbi->sb, fio->type, io->bio);
else
@@ -596,10 +589,9 @@ static void __f2fs_submit_merged_write(struct f2fs_sb_info *sbi,
/* change META to META_FLUSH in the checkpoint procedure */
if (type >= META_FLUSH) {
io->fio.type = META_FLUSH;
- io->fio.op = REQ_OP_WRITE;
- io->fio.op_flags = REQ_META | REQ_PRIO | REQ_SYNC;
+ io->bio->bi_opf |= REQ_META | REQ_PRIO | REQ_SYNC;
if (!test_opt(sbi, NOBARRIER))
- io->fio.op_flags |= REQ_PREFLUSH | REQ_FUA;
+ io->bio->bi_opf |= REQ_PREFLUSH | REQ_FUA;
}
__submit_merged_bio(io);
up_write(&io->io_rwsem);
@@ -680,9 +672,6 @@ int f2fs_submit_page_bio(struct f2fs_io_info *fio)
if (fio->io_wbc && !is_read_io(fio->op))
wbc_account_cgroup_owner(fio->io_wbc, page, PAGE_SIZE);
- __attach_io_flag(fio);
- bio_set_op_attrs(bio, fio->op, fio->op_flags);
-
inc_page_count(fio->sbi, is_read_io(fio->op) ?
__read_io_type(page): WB_DATA_TYPE(fio->page));
@@ -876,10 +865,8 @@ int f2fs_merge_page_bio(struct f2fs_io_info *fio)
alloc_new:
if (!bio) {
bio = __bio_alloc(fio, BIO_MAX_VECS);
- __attach_io_flag(fio);
f2fs_set_bio_crypt_ctx(bio, fio->page->mapping->host,
fio->page->index, fio, GFP_NOIO);
- bio_set_op_attrs(bio, fio->op, fio->op_flags);
add_bio_entry(fio->sbi, bio, page, fio->temp);
} else {
@@ -988,7 +975,8 @@ static struct bio *f2fs_grab_read_bio(struct inode *inode, block_t blkaddr,
sector_t sector;
struct block_device *bdev = f2fs_target_device(sbi, blkaddr, &sector);
- bio = bio_alloc_bioset(bdev, bio_max_segs(nr_pages), REQ_OP_READ,
+ bio = bio_alloc_bioset(bdev, bio_max_segs(nr_pages),
+ REQ_OP_READ | op_flag,
for_write ? GFP_NOIO : GFP_KERNEL, &f2fs_bioset);
if (!bio)
return ERR_PTR(-ENOMEM);