diff options
| author | Jaegeuk Kim <jaegeuk@kernel.org> | 2017-03-25 03:05:13 +0300 |
|---|---|---|
| committer | Jaegeuk Kim <jaegeuk@kernel.org> | 2017-04-05 21:05:05 +0300 |
| commit | ef095d19e82f25bbdead472b8b71f4ef3b7a636d (patch) | |
| tree | 2eb2262bb5ef4baa05b44d592bf30e4c8872cd72 /fs/f2fs/f2fs.h | |
| parent | a7eeb823854c4ab19765a25fabbda07fe27be177 (diff) | |
| download | linux-ef095d19e82f25bbdead472b8b71f4ef3b7a636d.tar.xz | |
f2fs: write small sized IO to hot log
It would better split small and large IOs separately in order to get more
consecutive big writes.
The default threshold is set to 64KB, but configurable by sysfs/min_hot_blocks.
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Diffstat (limited to 'fs/f2fs/f2fs.h')
| -rw-r--r-- | fs/f2fs/f2fs.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h index 43b6e1eeceb6..fc90e5317159 100644 --- a/fs/f2fs/f2fs.h +++ b/fs/f2fs/f2fs.h @@ -677,6 +677,7 @@ struct f2fs_sm_info { unsigned int ipu_policy; /* in-place-update policy */ unsigned int min_ipu_util; /* in-place-update threshold */ unsigned int min_fsync_blocks; /* threshold for fsync */ + unsigned int min_hot_blocks; /* threshold for hot block allocation */ /* for flush command control */ struct flush_cmd_control *fcc_info; @@ -1716,6 +1717,7 @@ enum { FI_DO_DEFRAG, /* indicate defragment is running */ FI_DIRTY_FILE, /* indicate regular/symlink has dirty pages */ FI_NO_PREALLOC, /* indicate skipped preallocated blocks */ + FI_HOT_DATA, /* indicate file is hot */ }; static inline void __mark_inode_dirty_flag(struct inode *inode, |