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| author | Jaegeuk Kim <jaegeuk@kernel.org> | 2016-01-09 01:57:48 +0100 |
|---|---|---|
| committer | Jaegeuk Kim <jaegeuk@kernel.org> | 2016-01-12 00:56:37 +0100 |
| commit | d0239e1bf5204d602281f93c01d46bcf3531098d (patch) | |
| tree | e95f1b3567398de0dbe532689671050325e79eb5 /fs/f2fs/super.c | |
| parent | f2fs: introduce time and interval facility (diff) | |
| download | linux-d0239e1bf5204d602281f93c01d46bcf3531098d.tar.xz linux-d0239e1bf5204d602281f93c01d46bcf3531098d.zip | |
f2fs: detect idle time depending on user behavior
This patch adds last time that user requested filesystem operations.
This information is used to detect whether system is idle or not later.
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Diffstat (limited to 'fs/f2fs/super.c')
| -rw-r--r-- | fs/f2fs/super.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c index 787047f59c00..3bf990b80026 100644 --- a/fs/f2fs/super.c +++ b/fs/f2fs/super.c @@ -219,6 +219,7 @@ F2FS_RW_ATTR(NM_INFO, f2fs_nm_info, ra_nid_pages, ra_nid_pages); F2FS_RW_ATTR(F2FS_SBI, f2fs_sb_info, max_victim_search, max_victim_search); F2FS_RW_ATTR(F2FS_SBI, f2fs_sb_info, dir_level, dir_level); F2FS_RW_ATTR(F2FS_SBI, f2fs_sb_info, cp_interval, interval_time[CP_TIME]); +F2FS_RW_ATTR(F2FS_SBI, f2fs_sb_info, idle_interval, interval_time[REQ_TIME]); #define ATTR_LIST(name) (&f2fs_attr_##name.attr) static struct attribute *f2fs_attrs[] = { @@ -237,6 +238,7 @@ static struct attribute *f2fs_attrs[] = { ATTR_LIST(ram_thresh), ATTR_LIST(ra_nid_pages), ATTR_LIST(cp_interval), + ATTR_LIST(idle_interval), NULL, }; @@ -1123,6 +1125,7 @@ static void init_sb_info(struct f2fs_sb_info *sbi) sbi->dir_level = DEF_DIR_LEVEL; sbi->interval_time[CP_TIME] = DEF_CP_INTERVAL; + sbi->interval_time[REQ_TIME] = DEF_IDLE_INTERVAL; clear_sbi_flag(sbi, SBI_NEED_FSCK); INIT_LIST_HEAD(&sbi->s_list); @@ -1468,6 +1471,7 @@ try_onemore: } f2fs_update_time(sbi, CP_TIME); + f2fs_update_time(sbi, REQ_TIME); return 0; free_kobj: |