diff options
Diffstat (limited to 'fs/f2fs/gc.h')
| -rw-r--r-- | fs/f2fs/gc.h | 38 |
1 files changed, 23 insertions, 15 deletions
diff --git a/fs/f2fs/gc.h b/fs/f2fs/gc.h index 2c6a6bd0832..507056d2220 100644 --- a/fs/f2fs/gc.h +++ b/fs/f2fs/gc.h @@ -13,18 +13,26 @@ * whether IO subsystem is idle * or not */ -#define GC_THREAD_MIN_SLEEP_TIME 30000 /* milliseconds */ -#define GC_THREAD_MAX_SLEEP_TIME 60000 -#define GC_THREAD_NOGC_SLEEP_TIME 300000 /* wait 5 min */ +#define DEF_GC_THREAD_MIN_SLEEP_TIME 30000 /* milliseconds */ +#define DEF_GC_THREAD_MAX_SLEEP_TIME 60000 +#define DEF_GC_THREAD_NOGC_SLEEP_TIME 300000 /* wait 5 min */ #define LIMIT_INVALID_BLOCK 40 /* percentage over total user space */ #define LIMIT_FREE_BLOCK 40 /* percentage over invalid + free space */ /* Search max. number of dirty segments to select a victim segment */ -#define MAX_VICTIM_SEARCH 20 +#define MAX_VICTIM_SEARCH 4096 /* covers 8GB */ struct f2fs_gc_kthread { struct task_struct *f2fs_gc_task; wait_queue_head_t gc_wait_queue_head; + + /* for gc sleep time */ + unsigned int min_sleep_time; + unsigned int max_sleep_time; + unsigned int no_gc_sleep_time; + + /* for changing gc mode */ + unsigned int gc_idle; }; struct inode_entry { @@ -56,25 +64,25 @@ static inline block_t limit_free_user_blocks(struct f2fs_sb_info *sbi) return (long)(reclaimable_user_blocks * LIMIT_FREE_BLOCK) / 100; } -static inline long increase_sleep_time(long wait) +static inline long increase_sleep_time(struct f2fs_gc_kthread *gc_th, long wait) { - if (wait == GC_THREAD_NOGC_SLEEP_TIME) + if (wait == gc_th->no_gc_sleep_time) return wait; - wait += GC_THREAD_MIN_SLEEP_TIME; - if (wait > GC_THREAD_MAX_SLEEP_TIME) - wait = GC_THREAD_MAX_SLEEP_TIME; + wait += gc_th->min_sleep_time; + if (wait > gc_th->max_sleep_time) + wait = gc_th->max_sleep_time; return wait; } -static inline long decrease_sleep_time(long wait) +static inline long decrease_sleep_time(struct f2fs_gc_kthread *gc_th, long wait) { - if (wait == GC_THREAD_NOGC_SLEEP_TIME) - wait = GC_THREAD_MAX_SLEEP_TIME; + if (wait == gc_th->no_gc_sleep_time) + wait = gc_th->max_sleep_time; - wait -= GC_THREAD_MIN_SLEEP_TIME; - if (wait <= GC_THREAD_MIN_SLEEP_TIME) - wait = GC_THREAD_MIN_SLEEP_TIME; + wait -= gc_th->min_sleep_time; + if (wait <= gc_th->min_sleep_time) + wait = gc_th->min_sleep_time; return wait; } |