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| author | Jaegeuk Kim <jaegeuk@kernel.org> | 2020-06-04 20:49:43 +0200 |
|---|---|---|
| committer | Jaegeuk Kim <jaegeuk@kernel.org> | 2020-06-09 05:37:54 +0200 |
| commit | 32b6aba85c8dbd1d3a155543986574c6969f0a48 (patch) | |
| tree | 49a3a6da94107e3cdd2fbc060133af680d5f5412 /fs/f2fs/data.c | |
| parent | f2fs: remove unused parameter of f2fs_put_rpages_mapping() (diff) | |
| download | linux-32b6aba85c8dbd1d3a155543986574c6969f0a48.tar.xz linux-32b6aba85c8dbd1d3a155543986574c6969f0a48.zip | |
f2fs: add node_io_flag for bio flags likewise data_io_flag
This patch adds another way to attach bio flags to node writes.
Description: Give a way to attach REQ_META|FUA to node writes
given temperature-based bits. Now the bits indicate:
* REQ_META | REQ_FUA |
* 5 | 4 | 3 | 2 | 1 | 0 |
* Cold | Warm | Hot | Cold | Warm | Hot |
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Diffstat (limited to 'fs/f2fs/data.c')
| -rw-r--r-- | fs/f2fs/data.c | 24 |
1 files changed, 15 insertions, 9 deletions
diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c index a65bfc07ddb9..798c325a820d 100644 --- a/fs/f2fs/data.c +++ b/fs/f2fs/data.c @@ -514,22 +514,28 @@ void f2fs_submit_bio(struct f2fs_sb_info *sbi, __submit_bio(sbi, bio, type); } -static void __attach_data_io_flag(struct f2fs_io_info *fio) +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 fua_flag = sbi->data_io_flag & temp_mask; - unsigned int meta_flag = (sbi->data_io_flag >> NR_TEMP_TYPE) & - temp_mask; + 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 io flag bits per temp: + * data/node io flag bits per temp: * REQ_META | REQ_FUA | * 5 | 4 | 3 | 2 | 1 | 0 | * Cold | Warm | Hot | Cold | Warm | Hot | */ - if (fio->type != DATA) - return; - if ((1 << fio->temp) & meta_flag) fio->op_flags |= REQ_META; if ((1 << fio->temp) & fua_flag) @@ -543,7 +549,7 @@ static void __submit_merged_bio(struct f2fs_bio_info *io) if (!io->bio) return; - __attach_data_io_flag(fio); + __attach_io_flag(fio); bio_set_op_attrs(io->bio, fio->op, fio->op_flags); if (is_read_io(fio->op)) |