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| author | Jaegeuk Kim <jaegeuk@kernel.org> | 2015-10-06 00:49:57 +0300 |
|---|---|---|
| committer | Jaegeuk Kim <jaegeuk@kernel.org> | 2015-10-10 02:20:57 +0300 |
| commit | 60b99b486b568c13cbb7caa83cf8a12af7665f1e (patch) | |
| tree | c766ac4adddb9e115455ae29d141d5b94a7a677d /fs/f2fs/super.c | |
| parent | 5c2674347466d5c2d5169214e95f4ad6dc09e9b6 (diff) | |
| download | linux-60b99b486b568c13cbb7caa83cf8a12af7665f1e.tar.xz | |
f2fs: introduce a periodic checkpoint flow
This patch introduces a periodic checkpoint feature.
Note that, this is not enforcing to conduct checkpoints very strictly in terms
of trigger timing, instead just hope to help user experiences.
The default value is 60 seconds.
Reviewed-by: Chao Yu <chao2.yu@samsung.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Diffstat (limited to 'fs/f2fs/super.c')
| -rw-r--r-- | fs/f2fs/super.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c index ba058d08cb33..cb23d85a4ed3 100644 --- a/fs/f2fs/super.c +++ b/fs/f2fs/super.c @@ -215,6 +215,7 @@ F2FS_RW_ATTR(SM_INFO, f2fs_sm_info, min_fsync_blocks, min_fsync_blocks); F2FS_RW_ATTR(NM_INFO, f2fs_nm_info, ram_thresh, ram_thresh); 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, cp_interval); #define ATTR_LIST(name) (&f2fs_attr_##name.attr) static struct attribute *f2fs_attrs[] = { @@ -231,6 +232,7 @@ static struct attribute *f2fs_attrs[] = { ATTR_LIST(max_victim_search), ATTR_LIST(dir_level), ATTR_LIST(ram_thresh), + ATTR_LIST(cp_interval), NULL, }; @@ -1014,6 +1016,7 @@ static void init_sb_info(struct f2fs_sb_info *sbi) atomic_set(&sbi->nr_pages[i], 0); sbi->dir_level = DEF_DIR_LEVEL; + sbi->cp_interval = DEF_CP_INTERVAL; clear_sbi_flag(sbi, SBI_NEED_FSCK); INIT_LIST_HEAD(&sbi->s_list); @@ -1350,6 +1353,8 @@ try_onemore: f2fs_commit_super(sbi, true); } + sbi->cp_expires = round_jiffies_up(jiffies); + return 0; free_kobj: |