diff options
Diffstat (limited to 'fs/f2fs/gc.h')
| -rw-r--r-- | fs/f2fs/gc.h | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/fs/f2fs/gc.h b/fs/f2fs/gc.h index 9c0d06c4d19a..5c1eaf55e127 100644 --- a/fs/f2fs/gc.h +++ b/fs/f2fs/gc.h @@ -15,17 +15,30 @@ #define DEF_GC_THREAD_MAX_SLEEP_TIME 60000 #define DEF_GC_THREAD_NOGC_SLEEP_TIME 300000 /* wait 5 min */ +/* GC sleep parameters for zoned deivces */ +#define DEF_GC_THREAD_MIN_SLEEP_TIME_ZONED 10 +#define DEF_GC_THREAD_MAX_SLEEP_TIME_ZONED 20 +#define DEF_GC_THREAD_NOGC_SLEEP_TIME_ZONED 60000 + /* choose candidates from sections which has age of more than 7 days */ #define DEF_GC_THREAD_AGE_THRESHOLD (60 * 60 * 24 * 7) #define DEF_GC_THREAD_CANDIDATE_RATIO 20 /* select 20% oldest sections as candidates */ #define DEF_GC_THREAD_MAX_CANDIDATE_COUNT 10 /* select at most 10 sections as candidates */ #define DEF_GC_THREAD_AGE_WEIGHT 60 /* age weight */ +#define DEF_GC_THREAD_VALID_THRESH_RATIO 95 /* do not GC over 95% valid block ratio for one time GC */ #define DEFAULT_ACCURACY_CLASS 10000 /* accuracy class */ #define LIMIT_INVALID_BLOCK 40 /* percentage over total user space */ #define LIMIT_FREE_BLOCK 40 /* percentage over invalid + free space */ +#define LIMIT_NO_ZONED_GC 60 /* percentage over total user space of no gc for zoned devices */ +#define LIMIT_BOOST_ZONED_GC 25 /* percentage over total user space of boosted gc for zoned devices */ +#define DEF_MIGRATION_WINDOW_GRANULARITY_ZONED 3 +#define BOOST_GC_MULTIPLE 5 +#define ZONED_PIN_SEC_REQUIRED_COUNT 1 + #define DEF_GC_FAILED_PINNED_FILES 2048 +#define MAX_GC_FAILED_PINNED_FILES USHRT_MAX /* Search max. number of dirty segments to select a victim segment */ #define DEF_MAX_VICTIM_SEARCH 4096 /* covers 8GB */ @@ -50,6 +63,11 @@ struct f2fs_gc_kthread { * caller of f2fs_balance_fs() * will wait on this wait queue. */ + + /* for gc control for zoned devices */ + unsigned int no_zoned_gc_percent; + unsigned int boost_zoned_gc_percent; + unsigned int valid_thresh_ratio; }; struct gc_inode_list { @@ -151,6 +169,12 @@ static inline void decrease_sleep_time(struct f2fs_gc_kthread *gc_th, *wait -= min_time; } +static inline bool has_enough_free_blocks(struct f2fs_sb_info *sbi, + unsigned int limit_perc) +{ + return free_sections(sbi) > ((sbi->total_sections * limit_perc) / 100); +} + static inline bool has_enough_invalid_blocks(struct f2fs_sb_info *sbi) { block_t user_block_count = sbi->user_block_count; @@ -166,3 +190,10 @@ static inline bool has_enough_invalid_blocks(struct f2fs_sb_info *sbi) free_user_blocks(sbi) < limit_free_user_blocks(invalid_user_blocks)); } + +static inline bool need_to_boost_gc(struct f2fs_sb_info *sbi) +{ + if (f2fs_sb_has_blkzoned(sbi)) + return !has_enough_free_blocks(sbi, LIMIT_BOOST_ZONED_GC); + return has_enough_invalid_blocks(sbi); +} |