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| author | Jaegeuk Kim <jaegeuk@kernel.org> | 2017-05-10 21:18:25 +0300 |
|---|---|---|
| committer | Jaegeuk Kim <jaegeuk@kernel.org> | 2017-05-24 07:05:39 +0300 |
| commit | a912b54d3aaa011266dc266e3694f782f27233cf (patch) | |
| tree | a79d1016b655cb27cab2889365575a2f3cd53c85 /fs/f2fs/segment.h | |
| parent | 81377bd62837c8113b1c49c5dfa6b1af8f9ee5c2 (diff) | |
| download | linux-a912b54d3aaa011266dc266e3694f782f27233cf.tar.xz | |
f2fs: split bio cache
Split DATA/NODE type bio cache according to different temperature,
so write IOs with the same temperature can be merged in corresponding
bio cache as much as possible, otherwise, different temperature write
IOs submitting into one bio cache will always cause split of bio.
Signed-off-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Diffstat (limited to 'fs/f2fs/segment.h')
| -rw-r--r-- | fs/f2fs/segment.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/fs/f2fs/segment.h b/fs/f2fs/segment.h index 10bf05d4cff4..e9ba1f1d9723 100644 --- a/fs/f2fs/segment.h +++ b/fs/f2fs/segment.h @@ -27,6 +27,10 @@ #define IS_DATASEG(t) ((t) <= CURSEG_COLD_DATA) #define IS_NODESEG(t) ((t) >= CURSEG_HOT_NODE) +#define IS_HOT(t) ((t) == CURSEG_HOT_NODE || (t) == CURSEG_HOT_DATA) +#define IS_WARM(t) ((t) == CURSEG_WARM_NODE || (t) == CURSEG_WARM_DATA) +#define IS_COLD(t) ((t) == CURSEG_COLD_NODE || (t) == CURSEG_COLD_DATA) + #define IS_CURSEG(sbi, seg) \ (((seg) == CURSEG_I(sbi, CURSEG_HOT_DATA)->segno) || \ ((seg) == CURSEG_I(sbi, CURSEG_WARM_DATA)->segno) || \ |