diff options
Diffstat (limited to 'fs/f2fs/f2fs.h')
-rw-r--r-- | fs/f2fs/f2fs.h | 105 |
1 files changed, 78 insertions, 27 deletions
diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h index fc3c558cb4f3..2ecac8312359 100644 --- a/fs/f2fs/f2fs.h +++ b/fs/f2fs/f2fs.h @@ -40,6 +40,7 @@ #define F2FS_MOUNT_DISABLE_EXT_IDENTIFY 0x00000040 #define F2FS_MOUNT_INLINE_XATTR 0x00000080 #define F2FS_MOUNT_INLINE_DATA 0x00000100 +#define F2FS_MOUNT_FLUSH_MERGE 0x00000200 #define clear_opt(sbi, option) (sbi->mount_opt.opt &= ~F2FS_MOUNT_##option) #define set_opt(sbi, option) (sbi->mount_opt.opt |= F2FS_MOUNT_##option) @@ -88,6 +89,16 @@ enum { SIT_BITMAP }; +/* + * For CP/NAT/SIT/SSA readahead + */ +enum { + META_CP, + META_NAT, + META_SIT, + META_SSA +}; + /* for the list of orphan inodes */ struct orphan_inode_entry { struct list_head list; /* list head */ @@ -187,16 +198,20 @@ struct extent_info { #define FADVISE_COLD_BIT 0x01 #define FADVISE_LOST_PINO_BIT 0x02 +#define DEF_DIR_LEVEL 0 + struct f2fs_inode_info { struct inode vfs_inode; /* serve a vfs inode */ unsigned long i_flags; /* keep an inode flags for ioctl */ unsigned char i_advise; /* use to give file attribute hints */ + unsigned char i_dir_level; /* use for dentry level for large dir */ unsigned int i_current_depth; /* use only in directory structure */ unsigned int i_pino; /* parent inode number */ umode_t i_acl_mode; /* keep file acl mode temporarily */ /* Use below internally in f2fs*/ unsigned long flags; /* use to pass per-file flags */ + struct rw_semaphore i_sem; /* protect fi info */ atomic_t dirty_dents; /* # of dirty dentry pages */ f2fs_hash_t chash; /* hash value of given file name */ unsigned int clevel; /* maximum level of given file name */ @@ -229,6 +244,7 @@ struct f2fs_nm_info { block_t nat_blkaddr; /* base disk address of NAT */ nid_t max_nid; /* maximum possible node ids */ nid_t next_scan_nid; /* the next nid to be scanned */ + unsigned int ram_thresh; /* control the memory footprint */ /* NAT cache management */ struct radix_tree_root nat_root;/* root of the nat entry cache */ @@ -238,6 +254,7 @@ struct f2fs_nm_info { struct list_head dirty_nat_entries; /* cached nat entry list (dirty) */ /* free node ids management */ + struct radix_tree_root free_nid_root;/* root of the free_nid cache */ struct list_head free_nid_list; /* a list for free nids */ spinlock_t free_nid_list_lock; /* protect free nid list */ unsigned int fcnt; /* the number of free node id */ @@ -300,6 +317,12 @@ enum { NO_CHECK_TYPE }; +struct flush_cmd { + struct flush_cmd *next; + struct completion wait; + int ret; +}; + struct f2fs_sm_info { struct sit_info *sit_info; /* whole segment information */ struct free_segmap_info *free_info; /* free segment information */ @@ -328,6 +351,14 @@ struct f2fs_sm_info { unsigned int ipu_policy; /* in-place-update policy */ unsigned int min_ipu_util; /* in-place-update threshold */ + + /* for flush command control */ + struct task_struct *f2fs_issue_flush; /* flush thread */ + wait_queue_head_t flush_wait_queue; /* waiting queue for wake-up */ + struct flush_cmd *issue_list; /* list for command issue */ + struct flush_cmd *dispatch_list; /* list for command dispatch */ + spinlock_t issue_lock; /* for issue list lock */ + struct flush_cmd *issue_tail; /* list tail of issue list */ }; /* @@ -378,7 +409,7 @@ struct f2fs_bio_info { struct bio *bio; /* bios to merge */ sector_t last_block_in_bio; /* last block number */ struct f2fs_io_info fio; /* store buffered io info. */ - struct mutex io_mutex; /* mutex for bio */ + struct rw_semaphore io_rwsem; /* blocking op for bio */ }; struct f2fs_sb_info { @@ -398,6 +429,7 @@ struct f2fs_sb_info { /* for bio operations */ struct f2fs_bio_info read_io; /* for read bios */ struct f2fs_bio_info write_io[NR_PAGE_TYPE]; /* for write bios */ + struct completion *wait_io; /* for completion bios */ /* for checkpoint */ struct f2fs_checkpoint *ckpt; /* raw checkpoint pointer */ @@ -407,7 +439,6 @@ struct f2fs_sb_info { struct mutex node_write; /* locking node writes */ struct mutex writepages; /* mutex for writepages() */ bool por_doing; /* recovery is doing or not */ - bool on_build_free_nids; /* build_free_nids is doing */ wait_queue_head_t cp_wait; /* for orphan inode management */ @@ -436,6 +467,7 @@ struct f2fs_sb_info { unsigned int total_valid_node_count; /* valid node block count */ unsigned int total_valid_inode_count; /* valid inode count */ int active_logs; /* # of active logs */ + int dir_level; /* directory level */ block_t user_block_count; /* # of user blocks */ block_t total_valid_block_count; /* # of valid blocks */ @@ -622,6 +654,11 @@ static inline int F2FS_HAS_BLOCKS(struct inode *inode) return inode->i_blocks > F2FS_DEFAULT_ALLOCATED_BLOCKS; } +static inline bool f2fs_has_xattr_block(unsigned int ofs) +{ + return ofs == XATTR_NODE_OFFSET; +} + static inline bool inc_valid_block_count(struct f2fs_sb_info *sbi, struct inode *inode, blkcnt_t count) { @@ -661,6 +698,7 @@ static inline void inc_page_count(struct f2fs_sb_info *sbi, int count_type) static inline void inode_inc_dirty_dents(struct inode *inode) { + inc_page_count(F2FS_SB(inode->i_sb), F2FS_DIRTY_DENTS); atomic_inc(&F2FS_I(inode)->dirty_dents); } @@ -671,6 +709,10 @@ static inline void dec_page_count(struct f2fs_sb_info *sbi, int count_type) static inline void inode_dec_dirty_dents(struct inode *inode) { + if (!S_ISDIR(inode->i_mode)) + return; + + dec_page_count(F2FS_SB(inode->i_sb), F2FS_DIRTY_DENTS); atomic_dec(&F2FS_I(inode)->dirty_dents); } @@ -679,6 +721,11 @@ static inline int get_pages(struct f2fs_sb_info *sbi, int count_type) return atomic_read(&sbi->nr_pages[count_type]); } +static inline int get_dirty_dents(struct inode *inode) +{ + return atomic_read(&F2FS_I(inode)->dirty_dents); +} + static inline int get_blocktype_secs(struct f2fs_sb_info *sbi, int block_type) { unsigned int pages_per_sec = sbi->segs_per_sec * @@ -689,11 +736,7 @@ static inline int get_blocktype_secs(struct f2fs_sb_info *sbi, int block_type) static inline block_t valid_user_blocks(struct f2fs_sb_info *sbi) { - block_t ret; - spin_lock(&sbi->stat_lock); - ret = sbi->total_valid_block_count; - spin_unlock(&sbi->stat_lock); - return ret; + return sbi->total_valid_block_count; } static inline unsigned long __bitmap_size(struct f2fs_sb_info *sbi, int flag) @@ -789,11 +832,7 @@ static inline void dec_valid_node_count(struct f2fs_sb_info *sbi, static inline unsigned int valid_node_count(struct f2fs_sb_info *sbi) { - unsigned int ret; - spin_lock(&sbi->stat_lock); - ret = sbi->total_valid_node_count; - spin_unlock(&sbi->stat_lock); - return ret; + return sbi->total_valid_node_count; } static inline void inc_valid_inode_count(struct f2fs_sb_info *sbi) @@ -814,11 +853,7 @@ static inline void dec_valid_inode_count(struct f2fs_sb_info *sbi) static inline unsigned int valid_inode_count(struct f2fs_sb_info *sbi) { - unsigned int ret; - spin_lock(&sbi->stat_lock); - ret = sbi->total_valid_inode_count; - spin_unlock(&sbi->stat_lock); - return ret; + return sbi->total_valid_inode_count; } static inline void f2fs_put_page(struct page *page, int unlock) @@ -844,9 +879,9 @@ static inline void f2fs_put_dnode(struct dnode_of_data *dn) } static inline struct kmem_cache *f2fs_kmem_cache_create(const char *name, - size_t size, void (*ctor)(void *)) + size_t size) { - return kmem_cache_create(name, size, 0, SLAB_RECLAIM_ACCOUNT, ctor); + return kmem_cache_create(name, size, 0, SLAB_RECLAIM_ACCOUNT, NULL); } static inline void *f2fs_kmem_cache_alloc(struct kmem_cache *cachep, @@ -983,24 +1018,28 @@ static inline void set_raw_inline(struct f2fs_inode_info *fi, ri->i_inline |= F2FS_INLINE_DATA; } +static inline int f2fs_has_inline_xattr(struct inode *inode) +{ + return is_inode_flag_set(F2FS_I(inode), FI_INLINE_XATTR); +} + static inline unsigned int addrs_per_inode(struct f2fs_inode_info *fi) { - if (is_inode_flag_set(fi, FI_INLINE_XATTR)) + if (f2fs_has_inline_xattr(&fi->vfs_inode)) return DEF_ADDRS_PER_INODE - F2FS_INLINE_XATTR_ADDRS; return DEF_ADDRS_PER_INODE; } static inline void *inline_xattr_addr(struct page *page) { - struct f2fs_inode *ri; - ri = (struct f2fs_inode *)page_address(page); + struct f2fs_inode *ri = F2FS_INODE(page); return (void *)&(ri->i_addr[DEF_ADDRS_PER_INODE - F2FS_INLINE_XATTR_ADDRS]); } static inline int inline_xattr_size(struct inode *inode) { - if (is_inode_flag_set(F2FS_I(inode), FI_INLINE_XATTR)) + if (f2fs_has_inline_xattr(inode)) return F2FS_INLINE_XATTR_ADDRS << 2; else return 0; @@ -1013,8 +1052,7 @@ static inline int f2fs_has_inline_data(struct inode *inode) static inline void *inline_data_addr(struct page *page) { - struct f2fs_inode *ri; - ri = (struct f2fs_inode *)page_address(page); + struct f2fs_inode *ri = F2FS_INODE(page); return (void *)&(ri->i_addr[1]); } @@ -1023,6 +1061,12 @@ static inline int f2fs_readonly(struct super_block *sb) return sb->s_flags & MS_RDONLY; } +static inline void f2fs_stop_checkpoint(struct f2fs_sb_info *sbi) +{ + set_ckpt_flags(sbi->ckpt, CP_ERROR_FLAG); + sbi->sb->s_flags |= MS_RDONLY; +} + #define get_inode_mode(i) \ ((is_inode_flag_set(F2FS_I(i), FI_ACL_MODE)) ? \ (F2FS_I(i)->i_acl_mode) : ((i)->i_mode)) @@ -1048,7 +1092,7 @@ void f2fs_set_inode_flags(struct inode *); struct inode *f2fs_iget(struct super_block *, unsigned long); int try_to_free_nats(struct f2fs_sb_info *, int); void update_inode(struct inode *, struct page *); -int update_inode_page(struct inode *); +void update_inode_page(struct inode *); int f2fs_write_inode(struct inode *, struct writeback_control *); void f2fs_evict_inode(struct inode *); @@ -1097,6 +1141,7 @@ struct dnode_of_data; struct node_info; int is_checkpointed_node(struct f2fs_sb_info *, nid_t); +bool fsync_mark_done(struct f2fs_sb_info *, nid_t); void get_node_info(struct f2fs_sb_info *, nid_t, struct node_info *); int get_dnode_of_data(struct dnode_of_data *, pgoff_t, int); int truncate_inode_blocks(struct inode *, pgoff_t); @@ -1115,6 +1160,7 @@ void alloc_nid_done(struct f2fs_sb_info *, nid_t); void alloc_nid_failed(struct f2fs_sb_info *, nid_t); void recover_node_page(struct f2fs_sb_info *, struct page *, struct f2fs_summary *, struct node_info *, block_t); +bool recover_xattr_data(struct inode *, struct page *, block_t); int recover_inode_page(struct f2fs_sb_info *, struct page *); int restore_node_summary(struct f2fs_sb_info *, unsigned int, struct f2fs_summary_block *); @@ -1129,7 +1175,9 @@ void destroy_node_manager_caches(void); */ void f2fs_balance_fs(struct f2fs_sb_info *); void f2fs_balance_fs_bg(struct f2fs_sb_info *); +int f2fs_issue_flush(struct f2fs_sb_info *); void invalidate_blocks(struct f2fs_sb_info *, block_t); +void refresh_sit_entry(struct f2fs_sb_info *, block_t, block_t); void clear_prefree_segments(struct f2fs_sb_info *); int npages_for_summary_flush(struct f2fs_sb_info *); void allocate_new_segments(struct f2fs_sb_info *); @@ -1162,6 +1210,7 @@ void destroy_segment_manager_caches(void); */ struct page *grab_meta_page(struct f2fs_sb_info *, pgoff_t); struct page *get_meta_page(struct f2fs_sb_info *, pgoff_t); +int ra_meta_pages(struct f2fs_sb_info *, int, int, int); long sync_meta_pages(struct f2fs_sb_info *, enum page_type, long); int acquire_orphan_inode(struct f2fs_sb_info *); void release_orphan_inode(struct f2fs_sb_info *); @@ -1231,7 +1280,7 @@ struct f2fs_stat_info { int util_free, util_valid, util_invalid; int rsvd_segs, overp_segs; int dirty_count, node_pages, meta_pages; - int prefree_count, call_count; + int prefree_count, call_count, cp_count; int tot_segs, node_segs, data_segs, free_segs, free_secs; int tot_blks, data_blks, node_blks; int curseg[NR_CURSEG_TYPE]; @@ -1248,6 +1297,7 @@ static inline struct f2fs_stat_info *F2FS_STAT(struct f2fs_sb_info *sbi) return (struct f2fs_stat_info *)sbi->stat_info; } +#define stat_inc_cp_count(si) ((si)->cp_count++) #define stat_inc_call_count(si) ((si)->call_count++) #define stat_inc_bggc_count(sbi) ((sbi)->bg_gc++) #define stat_inc_dirty_dir(sbi) ((sbi)->n_dirty_dirs++) @@ -1302,6 +1352,7 @@ void f2fs_destroy_stats(struct f2fs_sb_info *); void __init f2fs_create_root_stats(void); void f2fs_destroy_root_stats(void); #else +#define stat_inc_cp_count(si) #define stat_inc_call_count(si) #define stat_inc_bggc_count(si) #define stat_inc_dirty_dir(sbi) |