diff options
Diffstat (limited to 'fs/f2fs/gc.h')
| -rw-r--r-- | fs/f2fs/gc.h | 42 |
1 files changed, 21 insertions, 21 deletions
diff --git a/fs/f2fs/gc.h b/fs/f2fs/gc.h index b4a65be9f7d3..bbac9d3787bd 100644 --- a/fs/f2fs/gc.h +++ b/fs/f2fs/gc.h @@ -1,24 +1,24 @@ +// SPDX-License-Identifier: GPL-2.0 /* * fs/f2fs/gc.h * * Copyright (c) 2012 Samsung Electronics Co., Ltd. * http://www.samsung.com/ - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. */ #define GC_THREAD_MIN_WB_PAGES 1 /* * a threshold to determine * whether IO subsystem is idle * or not */ +#define DEF_GC_THREAD_URGENT_SLEEP_TIME 500 /* 500 ms */ #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 */ +#define DEF_GC_FAILED_PINNED_FILES 2048 + /* Search max. number of dirty segments to select a victim segment */ #define DEF_MAX_VICTIM_SEARCH 4096 /* covers 8GB */ @@ -27,12 +27,13 @@ struct f2fs_gc_kthread { wait_queue_head_t gc_wait_queue_head; /* for gc sleep time */ + unsigned int urgent_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; + unsigned int gc_wake; }; struct gc_inode_list { @@ -65,25 +66,32 @@ static inline block_t limit_free_user_blocks(struct f2fs_sb_info *sbi) } static inline void increase_sleep_time(struct f2fs_gc_kthread *gc_th, - long *wait) + unsigned int *wait) { + unsigned int min_time = gc_th->min_sleep_time; + unsigned int max_time = gc_th->max_sleep_time; + if (*wait == gc_th->no_gc_sleep_time) return; - *wait += gc_th->min_sleep_time; - if (*wait > gc_th->max_sleep_time) - *wait = gc_th->max_sleep_time; + if ((long long)*wait + (long long)min_time > (long long)max_time) + *wait = max_time; + else + *wait += min_time; } static inline void decrease_sleep_time(struct f2fs_gc_kthread *gc_th, - long *wait) + unsigned int *wait) { + unsigned int min_time = gc_th->min_sleep_time; + if (*wait == gc_th->no_gc_sleep_time) *wait = gc_th->max_sleep_time; - *wait -= gc_th->min_sleep_time; - if (*wait <= gc_th->min_sleep_time) - *wait = gc_th->min_sleep_time; + if ((long long)*wait - (long long)min_time < (long long)min_time) + *wait = min_time; + else + *wait -= min_time; } static inline bool has_enough_invalid_blocks(struct f2fs_sb_info *sbi) @@ -100,11 +108,3 @@ static inline bool has_enough_invalid_blocks(struct f2fs_sb_info *sbi) return true; return false; } - -static inline int is_idle(struct f2fs_sb_info *sbi) -{ - struct block_device *bdev = sbi->sb->s_bdev; - struct request_queue *q = bdev_get_queue(bdev); - struct request_list *rl = &q->root_rl; - return !(rl->count[BLK_RW_SYNC]) && !(rl->count[BLK_RW_ASYNC]); -} |