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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/f2fs.h | |
| 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/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 00bd47045c1e..aad4720c516e 100644 --- a/fs/f2fs/f2fs.h +++ b/fs/f2fs/f2fs.h @@ -124,6 +124,7 @@ enum { (SM_I(sbi)->trim_sections * (sbi)->segs_per_sec) #define BATCHED_TRIM_BLOCKS(sbi) \ (BATCHED_TRIM_SEGMENTS(sbi) << (sbi)->log_blocks_per_seg) +#define DEF_CP_INTERVAL 60 /* 60 secs */ struct cp_control { int reason; @@ -734,6 +735,7 @@ struct f2fs_sb_info { struct rw_semaphore node_write; /* locking node writes */ struct mutex writepages; /* mutex for writepages() */ wait_queue_head_t cp_wait; + long cp_expires, cp_interval; /* next expected periodic cp */ struct inode_management im[MAX_INO_ENTRY]; /* manage inode cache */ |