diff options
Diffstat (limited to 'fs/f2fs/node.h')
| -rw-r--r-- | fs/f2fs/node.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/fs/f2fs/node.h b/fs/f2fs/node.h index d4d1f63..bd119c0 100644 --- a/fs/f2fs/node.h +++ b/fs/f2fs/node.h @@ -25,6 +25,9 @@ /* control the memory footprint threshold (10MB per 1GB ram) */ #define DEF_RAM_THRESHOLD 10 +/* control dirty nats ratio threshold (default: 10% over max nid count) */ +#define DEF_DIRTY_NAT_RATIO_THRESHOLD 10 + /* vector size for gang look-up from nat cache that consists of radix tree */ #define NATVEC_SIZE 64 #define SETVEC_SIZE 32 @@ -117,6 +120,12 @@ static inline void raw_nat_from_node_info(struct f2fs_nat_entry *raw_ne, raw_ne->version = ni->version; } +static inline bool excess_dirty_nats(struct f2fs_sb_info *sbi) +{ + return NM_I(sbi)->dirty_nat_cnt >= NM_I(sbi)->max_nid * + DEF_DIRTY_NAT_RATIO_THRESHOLD / 100; +} + enum mem_type { FREE_NIDS, /* indicates the free nid list */ NAT_ENTRIES, /* indicates the cached nat entry */ |
