LOOKUP_NODE, /* look up a node without readahead */
LOOKUP_NODE_RA, /*
* look up a node with readahead called
- * by get_datablock_ro.
+ * by get_data_block.
*/
};
struct list_head discard_list; /* 4KB discard list */
int nr_discards; /* # of discards in the list */
int max_discards; /* max. discards to be issued */
+
+ unsigned int ipu_policy; /* in-place-update policy */
+ unsigned int min_ipu_util; /* in-place-update threshold */
};
/*
META_FLUSH,
};
+struct f2fs_io_info {
+ enum page_type type; /* contains DATA/NODE/META/META_FLUSH */
+ int rw; /* contains R/RS/W/WS with REQ_META/REQ_PRIO */
+};
+
#define is_read_io(rw) (((rw) & 1) == READ)
struct f2fs_bio_info {
+ struct f2fs_sb_info *sbi; /* f2fs superblock */
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 */
};
/* for orphan inode management */
struct list_head orphan_inode_list; /* orphan inode list */
- struct mutex orphan_inode_mutex; /* for orphan inode list */
+ spinlock_t orphan_inode_lock; /* for orphan inode list */
unsigned int n_orphans; /* # of orphan inodes */
+ unsigned int max_orphans; /* max orphan inodes */
/* for directory inode management */
struct list_head dir_inode_list; /* dir inode list */
struct f2fs_gc_kthread *gc_thread; /* GC thread */
unsigned int cur_victim_sec; /* current victim section num */
+ /* maximum # of trials to find a victim segment for SSR and GC */
+ unsigned int max_victim_search;
+
/*
* for stat information.
* one is for the LFS mode, and the other is for the SSR mode.
unsigned int segment_count[2]; /* # of allocated segments */
unsigned int block_count[2]; /* # of allocated blocks */
int total_hit_ext, read_hit_ext; /* extent cache hit ratio */
+ int inline_inode; /* # of inline_data inodes */
int bg_gc; /* background gc calls */
unsigned int n_dirty_dirs; /* # of dir inodes */
#endif
return (struct f2fs_node *)page_address(page);
}
+static inline struct f2fs_inode *F2FS_INODE(struct page *page)
+{
+ return &((struct f2fs_node *)page_address(page))->i;
+}
+
static inline struct f2fs_nm_info *NM_I(struct f2fs_sb_info *sbi)
{
return (struct f2fs_nm_info *)(sbi->nm_info);
return (struct dirty_seglist_info *)(SM_I(sbi)->dirty_info);
}
+static inline struct address_space *META_MAPPING(struct f2fs_sb_info *sbi)
+{
+ return sbi->meta_inode->i_mapping;
+}
+
+static inline struct address_space *NODE_MAPPING(struct f2fs_sb_info *sbi)
+{
+ return sbi->node_inode->i_mapping;
+}
+
static inline void F2FS_SET_SB_DIRT(struct f2fs_sb_info *sbi)
{
sbi->s_dirty = 1;
static inline int F2FS_HAS_BLOCKS(struct inode *inode)
{
if (F2FS_I(inode)->i_xattr_nid)
- return (inode->i_blocks > F2FS_DEFAULT_ALLOCATED_BLOCKS + 1);
+ return inode->i_blocks > F2FS_DEFAULT_ALLOCATED_BLOCKS + 1;
else
- return (inode->i_blocks > F2FS_DEFAULT_ALLOCATED_BLOCKS);
+ return inode->i_blocks > F2FS_DEFAULT_ALLOCATED_BLOCKS;
}
static inline bool inc_valid_block_count(struct f2fs_sb_info *sbi,
return 0;
}
+static inline int f2fs_has_inline_data(struct inode *inode)
+{
+ return is_inode_flag_set(F2FS_I(inode), FI_INLINE_DATA);
+}
+
static inline void *inline_data_addr(struct page *page)
{
struct f2fs_inode *ri;
return 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))
+
/*
* file.c
*/
int f2fs_sync_file(struct file *, loff_t, loff_t, int);
void truncate_data_blocks(struct dnode_of_data *);
+int truncate_blocks(struct inode *, u64);
void f2fs_truncate(struct inode *);
int f2fs_getattr(struct vfsmount *, struct dentry *, struct kstat *);
int f2fs_setattr(struct dentry *, struct iattr *);
void allocate_new_segments(struct f2fs_sb_info *);
struct page *get_sum_page(struct f2fs_sb_info *, unsigned int);
void write_meta_page(struct f2fs_sb_info *, struct page *);
-void write_node_page(struct f2fs_sb_info *, struct page *, unsigned int,
- block_t, block_t *);
-void write_data_page(struct inode *, struct page *, struct dnode_of_data*,
- block_t, block_t *);
-void rewrite_data_page(struct f2fs_sb_info *, struct page *, block_t);
+void write_node_page(struct f2fs_sb_info *, struct page *,
+ struct f2fs_io_info *, unsigned int, block_t, block_t *);
+void write_data_page(struct page *, struct dnode_of_data *, block_t *,
+ struct f2fs_io_info *);
+void rewrite_data_page(struct page *, block_t, struct f2fs_io_info *);
void recover_data_page(struct f2fs_sb_info *, struct page *,
struct f2fs_summary *, block_t, block_t);
void rewrite_node_page(struct f2fs_sb_info *, struct page *,
struct f2fs_summary *, block_t, block_t);
-void f2fs_wait_on_page_writeback(struct page *, enum page_type, bool);
+void allocate_data_block(struct f2fs_sb_info *, struct page *,
+ block_t, block_t *, struct f2fs_summary *, int);
+void f2fs_wait_on_page_writeback(struct page *, enum page_type);
void write_data_summaries(struct f2fs_sb_info *, block_t);
void write_node_summaries(struct f2fs_sb_info *, block_t);
int lookup_journal_in_cursum(struct f2fs_summary_block *,
/*
* data.c
*/
-void f2fs_submit_merged_bio(struct f2fs_sb_info *, enum page_type, bool, int);
+void f2fs_submit_merged_bio(struct f2fs_sb_info *, enum page_type, int);
int f2fs_submit_page_bio(struct f2fs_sb_info *, struct page *, block_t, int);
void f2fs_submit_page_mbio(struct f2fs_sb_info *, struct page *, block_t,
- enum page_type, int);
+ struct f2fs_io_info *);
int reserve_new_block(struct dnode_of_data *);
int f2fs_reserve_block(struct dnode_of_data *, pgoff_t);
void update_extent_cache(block_t, struct dnode_of_data *);
struct page *find_data_page(struct inode *, pgoff_t, bool);
struct page *get_lock_data_page(struct inode *, pgoff_t);
struct page *get_new_data_page(struct inode *, struct page *, pgoff_t, bool);
-int do_write_data_page(struct page *);
+int do_write_data_page(struct page *, struct f2fs_io_info *);
/*
* gc.c
int ndirty_node, ndirty_dent, ndirty_dirs, ndirty_meta;
int nats, sits, fnids;
int total_count, utilization;
- int bg_gc;
+ int bg_gc, inline_inode;
unsigned int valid_count, valid_node_count, valid_inode_count;
unsigned int bimodal, avg_vblocks;
int util_free, util_valid, util_invalid;
static inline struct f2fs_stat_info *F2FS_STAT(struct f2fs_sb_info *sbi)
{
- return (struct f2fs_stat_info*)sbi->stat_info;
+ return (struct f2fs_stat_info *)sbi->stat_info;
}
#define stat_inc_call_count(si) ((si)->call_count++)
#define stat_dec_dirty_dir(sbi) ((sbi)->n_dirty_dirs--)
#define stat_inc_total_hit(sb) ((F2FS_SB(sb))->total_hit_ext++)
#define stat_inc_read_hit(sb) ((F2FS_SB(sb))->read_hit_ext++)
+#define stat_inc_inline_inode(inode) \
+ do { \
+ if (f2fs_has_inline_data(inode)) \
+ ((F2FS_SB(inode->i_sb))->inline_inode++); \
+ } while (0)
+#define stat_dec_inline_inode(inode) \
+ do { \
+ if (f2fs_has_inline_data(inode)) \
+ ((F2FS_SB(inode->i_sb))->inline_inode--); \
+ } while (0)
+
#define stat_inc_seg_type(sbi, curseg) \
((sbi)->segment_count[(curseg)->alloc_type]++)
#define stat_inc_block_count(sbi, curseg) \
#define stat_dec_dirty_dir(sbi)
#define stat_inc_total_hit(sb)
#define stat_inc_read_hit(sb)
+#define stat_inc_inline_inode(inode)
+#define stat_dec_inline_inode(inode)
#define stat_inc_seg_type(sbi, curseg)
#define stat_inc_block_count(sbi, curseg)
#define stat_inc_seg_count(si, type)
extern const struct inode_operations f2fs_symlink_inode_operations;
extern const struct inode_operations f2fs_special_inode_operations;
+/*
+ * inline.c
+ */
+bool f2fs_may_inline(struct inode *);
+int f2fs_read_inline_data(struct inode *, struct page *);
+int f2fs_convert_inline_data(struct inode *, pgoff_t);
+int f2fs_write_inline_data(struct inode *, struct page *, unsigned int);
+int recover_inline_data(struct inode *, struct page *);
#endif
projects / ~andy / linux / blobdiff