#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)
};
/*
- * For CP/NAT/SIT readahead
+ * For CP/NAT/SIT/SSA readahead
*/
enum {
META_CP,
META_NAT,
- META_SIT
+ META_SIT,
+ META_SSA
};
/* for the list of orphan inodes */
#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 */
/* 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 */
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 */
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 */
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 */
};
/*
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 {
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 */
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)
{
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 *
}
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,
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;
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]);
}
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);
*/
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 *);
projects / karo-tx-linux.git / blobdiff