FAULT_ORPHAN,
FAULT_BLOCK,
FAULT_DIR_DEPTH,
+ FAULT_EVICT_INODE,
FAULT_MAX,
};
return false;
else if (type == FAULT_DIR_DEPTH && !IS_FAULT_SET(type))
return false;
+ else if (type == FAULT_EVICT_INODE && !IS_FAULT_SET(type))
+ return false;
atomic_inc(&f2fs_fault.inject_ops);
if (atomic_read(&f2fs_fault.inject_ops) >= f2fs_fault.inject_rate) {
#define F2FS_MOUNT_FORCE_FG_GC 0x00004000
#define F2FS_MOUNT_DATA_FLUSH 0x00008000
#define F2FS_MOUNT_FAULT_INJECTION 0x00010000
+#define F2FS_MOUNT_ADAPTIVE 0x00020000
+#define F2FS_MOUNT_LFS 0x00040000
#define clear_opt(sbi, option) (sbi->mount_opt.opt &= ~F2FS_MOUNT_##option)
#define set_opt(sbi, option) (sbi->mount_opt.opt |= F2FS_MOUNT_##option)
};
#define F2FS_FEATURE_ENCRYPT 0x0001
+#define F2FS_FEATURE_HMSMR 0x0002
#define F2FS_HAS_FEATURE(sb, mask) \
((F2FS_SB(sb)->raw_super->feature & cpu_to_le32(mask)) != 0)
#define BATCHED_TRIM_BLOCKS(sbi) \
(BATCHED_TRIM_SEGMENTS(sbi) << (sbi)->log_blocks_per_seg)
#define DEF_CP_INTERVAL 60 /* 60 secs */
-#define DEF_IDLE_INTERVAL 120 /* 2 mins */
+#define DEF_IDLE_INTERVAL 5 /* 5 secs */
struct cp_control {
int reason;
unsigned int clevel; /* maximum level of given file name */
nid_t i_xattr_nid; /* node id that contains xattrs */
unsigned long long xattr_ver; /* cp version of xattr modification */
+ loff_t last_disk_size; /* lastly written file size */
struct list_head dirty_list; /* dirty list for dirs and files */
struct list_head gdirty_list; /* linked in global dirty list */
struct list_head inmem_pages; /* inmemory pages managed by f2fs */
struct mutex inmem_lock; /* lock for inmemory pages */
struct extent_tree *extent_tree; /* cached extent_tree entry */
+ struct rw_semaphore dio_rwsem[2];/* avoid racing between dio and gc */
};
static inline void get_extent_info(struct extent_info *ext,
return __is_extent_mergeable(cur, front);
}
+extern void f2fs_mark_inode_dirty_sync(struct inode *);
static inline void __try_update_largest_extent(struct inode *inode,
struct extent_tree *et, struct extent_node *en)
{
if (en->ei.len > et->largest.len) {
et->largest = en->ei;
- mark_inode_dirty_sync(inode);
+ f2fs_mark_inode_dirty_sync(inode);
}
}
/* NAT cache management */
struct radix_tree_root nat_root;/* root of the nat entry cache */
struct radix_tree_root nat_set_root;/* root of the nat set cache */
- struct rw_semaphore nat_tree_lock; /* protect nat_tree_lock */
+ struct percpu_rw_semaphore nat_tree_lock; /* protect nat_tree_lock */
struct list_head nat_entries; /* cached nat entry list (clean) */
unsigned int nat_cnt; /* the # of cached nat entries */
unsigned int dirty_nat_cnt; /* total num of nat entries in set */
struct flush_cmd_control {
struct task_struct *f2fs_issue_flush; /* flush thread */
wait_queue_head_t flush_wait_queue; /* waiting queue for wake-up */
+ atomic_t submit_flush; /* # of issued flushes */
struct llist_head issue_list; /* list for command issue */
struct llist_node *dispatch_list; /* list for command dispatch */
};
/* 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 mutex wio_mutex[NODE + 1]; /* bio ordering for NODE/DATA */
/* for checkpoint */
struct f2fs_checkpoint *ckpt; /* raw checkpoint pointer */
struct inode *meta_inode; /* cache meta blocks */
struct mutex cp_mutex; /* checkpoint procedure lock */
- struct rw_semaphore cp_rwsem; /* blocking FS operations */
+ struct percpu_rw_semaphore cp_rwsem; /* blocking FS operations */
struct rw_semaphore node_write; /* locking node writes */
- struct mutex writepages; /* mutex for writepages() */
wait_queue_head_t cp_wait;
unsigned long last_time[MAX_TIME]; /* to store time in jiffies */
long interval_time[MAX_TIME]; /* to store thresholds */
static inline void f2fs_lock_op(struct f2fs_sb_info *sbi)
{
- down_read(&sbi->cp_rwsem);
+ percpu_down_read(&sbi->cp_rwsem);
}
static inline void f2fs_unlock_op(struct f2fs_sb_info *sbi)
{
- up_read(&sbi->cp_rwsem);
+ percpu_up_read(&sbi->cp_rwsem);
}
static inline void f2fs_lock_all(struct f2fs_sb_info *sbi)
{
- down_write(&sbi->cp_rwsem);
+ percpu_down_write(&sbi->cp_rwsem);
}
static inline void f2fs_unlock_all(struct f2fs_sb_info *sbi)
{
- up_write(&sbi->cp_rwsem);
+ percpu_up_write(&sbi->cp_rwsem);
}
static inline int __get_cp_reason(struct f2fs_sb_info *sbi)
static inline bool inc_valid_block_count(struct f2fs_sb_info *sbi,
struct inode *inode, blkcnt_t *count)
{
- block_t valid_block_count;
-
- spin_lock(&sbi->stat_lock);
#ifdef CONFIG_F2FS_FAULT_INJECTION
- if (time_to_inject(FAULT_BLOCK)) {
- spin_unlock(&sbi->stat_lock);
+ if (time_to_inject(FAULT_BLOCK))
return false;
- }
#endif
- valid_block_count =
- sbi->total_valid_block_count + (block_t)(*count);
- if (unlikely(valid_block_count > sbi->user_block_count)) {
- *count = sbi->user_block_count - sbi->total_valid_block_count;
+ spin_lock(&sbi->stat_lock);
+ sbi->total_valid_block_count += (block_t)(*count);
+ if (unlikely(sbi->total_valid_block_count > sbi->user_block_count)) {
+ *count -= sbi->total_valid_block_count - sbi->user_block_count;
+ sbi->total_valid_block_count = sbi->user_block_count;
if (!*count) {
spin_unlock(&sbi->stat_lock);
return false;
}
}
- /* *count can be recalculated */
- f2fs_i_blocks_write(inode, *count, true);
- sbi->total_valid_block_count =
- sbi->total_valid_block_count + (block_t)(*count);
spin_unlock(&sbi->stat_lock);
+ f2fs_i_blocks_write(inode, *count, true);
percpu_counter_add(&sbi->alloc_valid_block_count, (*count));
return true;
}
spin_lock(&sbi->stat_lock);
f2fs_bug_on(sbi, sbi->total_valid_block_count < (block_t) count);
f2fs_bug_on(sbi, inode->i_blocks < count);
- f2fs_i_blocks_write(inode, count, false);
sbi->total_valid_block_count -= (block_t)count;
spin_unlock(&sbi->stat_lock);
+ f2fs_i_blocks_write(inode, count, false);
}
static inline void inc_page_count(struct f2fs_sb_info *sbi, int count_type)
enum {
FI_NEW_INODE, /* indicate newly allocated inode */
FI_DIRTY_INODE, /* indicate inode is dirty or not */
+ FI_AUTO_RECOVER, /* indicate inode is recoverable */
FI_DIRTY_DIR, /* indicate directory has dirty pages */
FI_INC_LINK, /* need to increment i_nlink */
FI_ACL_MODE, /* indicate acl mode */
return;
case FI_DATA_EXIST:
case FI_INLINE_DOTS:
- mark_inode_dirty_sync(inode);
+ f2fs_mark_inode_dirty_sync(inode);
}
}
{
F2FS_I(inode)->i_acl_mode = mode;
set_inode_flag(inode, FI_ACL_MODE);
- mark_inode_dirty_sync(inode);
+ f2fs_mark_inode_dirty_sync(inode);
}
static inline void f2fs_i_links_write(struct inode *inode, bool inc)
inc_nlink(inode);
else
drop_nlink(inode);
- mark_inode_dirty_sync(inode);
+ f2fs_mark_inode_dirty_sync(inode);
}
static inline void f2fs_i_blocks_write(struct inode *inode,
blkcnt_t diff, bool add)
{
+ bool clean = !is_inode_flag_set(inode, FI_DIRTY_INODE);
+ bool recover = is_inode_flag_set(inode, FI_AUTO_RECOVER);
+
inode->i_blocks = add ? inode->i_blocks + diff :
inode->i_blocks - diff;
- mark_inode_dirty_sync(inode);
+ f2fs_mark_inode_dirty_sync(inode);
+ if (clean || recover)
+ set_inode_flag(inode, FI_AUTO_RECOVER);
}
static inline void f2fs_i_size_write(struct inode *inode, loff_t i_size)
{
+ bool clean = !is_inode_flag_set(inode, FI_DIRTY_INODE);
+ bool recover = is_inode_flag_set(inode, FI_AUTO_RECOVER);
+
if (i_size_read(inode) == i_size)
return;
i_size_write(inode, i_size);
- mark_inode_dirty_sync(inode);
+ f2fs_mark_inode_dirty_sync(inode);
+ if (clean || recover)
+ set_inode_flag(inode, FI_AUTO_RECOVER);
+}
+
+static inline bool f2fs_skip_inode_update(struct inode *inode)
+{
+ if (!is_inode_flag_set(inode, FI_AUTO_RECOVER))
+ return false;
+ return F2FS_I(inode)->last_disk_size == i_size_read(inode);
}
static inline void f2fs_i_depth_write(struct inode *inode, unsigned int depth)
{
F2FS_I(inode)->i_current_depth = depth;
- mark_inode_dirty_sync(inode);
+ f2fs_mark_inode_dirty_sync(inode);
}
static inline void f2fs_i_xnid_write(struct inode *inode, nid_t xnid)
{
F2FS_I(inode)->i_xattr_nid = xnid;
- mark_inode_dirty_sync(inode);
+ f2fs_mark_inode_dirty_sync(inode);
}
static inline void f2fs_i_pino_write(struct inode *inode, nid_t pino)
{
F2FS_I(inode)->i_pino = pino;
- mark_inode_dirty_sync(inode);
+ f2fs_mark_inode_dirty_sync(inode);
}
static inline void get_inline_info(struct inode *inode, struct f2fs_inode *ri)
static inline void set_file(struct inode *inode, int type)
{
F2FS_I(inode)->i_advise |= type;
- mark_inode_dirty_sync(inode);
+ f2fs_mark_inode_dirty_sync(inode);
}
static inline void clear_file(struct inode *inode, int type)
{
F2FS_I(inode)->i_advise &= ~type;
- mark_inode_dirty_sync(inode);
+ f2fs_mark_inode_dirty_sync(inode);
}
static inline int f2fs_readonly(struct super_block *sb)
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, bool);
-int f2fs_truncate(struct inode *, bool);
+int f2fs_truncate(struct inode *);
int f2fs_getattr(struct vfsmount *, struct dentry *, struct kstat *);
int f2fs_setattr(struct dentry *, struct iattr *);
int truncate_hole(struct inode *, pgoff_t, pgoff_t);
const struct qstr *, struct page *);
void update_parent_metadata(struct inode *, struct inode *, unsigned int);
int room_for_filename(const void *, int, int);
-void f2fs_drop_nlink(struct inode *, struct inode *, struct page *);
+void f2fs_drop_nlink(struct inode *, struct inode *);
struct f2fs_dir_entry *f2fs_find_entry(struct inode *, struct qstr *,
struct page **);
struct f2fs_dir_entry *f2fs_parent_dir(struct inode *, struct page **);
/*
* super.c
*/
+int f2fs_inode_dirtied(struct inode *);
void f2fs_inode_synced(struct inode *);
int f2fs_commit_super(struct f2fs_sb_info *, bool);
int f2fs_sync_fs(struct super_block *, int);
struct page *get_node_page(struct f2fs_sb_info *, pgoff_t);
struct page *get_node_page_ra(struct page *, int);
void move_node_page(struct page *, int);
-int fsync_node_pages(struct f2fs_sb_info *, nid_t, struct writeback_control *,
- bool);
+int fsync_node_pages(struct f2fs_sb_info *, struct inode *,
+ struct writeback_control *, bool);
int sync_node_pages(struct f2fs_sb_info *, struct writeback_control *);
+void build_free_nids(struct f2fs_sb_info *);
bool alloc_nid(struct f2fs_sb_info *, nid_t *);
void alloc_nid_done(struct f2fs_sb_info *, nid_t);
void alloc_nid_failed(struct f2fs_sb_info *, nid_t);
int f2fs_sync_inode_meta(struct f2fs_sb_info *);
int acquire_orphan_inode(struct f2fs_sb_info *);
void release_orphan_inode(struct f2fs_sb_info *);
-void add_orphan_inode(struct f2fs_sb_info *, nid_t);
+void add_orphan_inode(struct inode *);
void remove_orphan_inode(struct f2fs_sb_info *, nid_t);
int recover_orphan_inodes(struct f2fs_sb_info *);
int get_valid_checkpoint(struct f2fs_sb_info *);
int do_write_data_page(struct f2fs_io_info *);
int f2fs_map_blocks(struct inode *, struct f2fs_map_blocks *, int, int);
int f2fs_fiemap(struct inode *inode, struct fiemap_extent_info *, u64, u64);
+void f2fs_set_page_dirty_nobuffers(struct page *);
void f2fs_invalidate_page(struct page *, unsigned int, unsigned int);
int f2fs_release_page(struct page *, gfp_t);
bool recover_inline_data(struct inode *, struct page *);
struct f2fs_dir_entry *find_in_inline_dir(struct inode *,
struct fscrypt_name *, struct page **);
-struct f2fs_dir_entry *f2fs_parent_inline_dir(struct inode *, struct page **);
int make_empty_inline_dir(struct inode *inode, struct inode *, struct page *);
int f2fs_add_inline_entry(struct inode *, const struct qstr *, struct inode *,
nid_t, umode_t);
*/
unsigned int f2fs_shrink_extent_tree(struct f2fs_sb_info *, int);
bool f2fs_init_extent_tree(struct inode *, struct f2fs_extent *);
+void f2fs_drop_extent_tree(struct inode *);
unsigned int f2fs_destroy_extent_node(struct inode *);
void f2fs_destroy_extent_tree(struct inode *);
bool f2fs_lookup_extent_cache(struct inode *, pgoff_t, struct extent_info *);
return F2FS_HAS_FEATURE(sb, F2FS_FEATURE_ENCRYPT);
}
+static inline int f2fs_sb_mounted_hmsmr(struct super_block *sb)
+{
+ return F2FS_HAS_FEATURE(sb, F2FS_FEATURE_HMSMR);
+}
+
+static inline void set_opt_mode(struct f2fs_sb_info *sbi, unsigned int mt)
+{
+ clear_opt(sbi, ADAPTIVE);
+ clear_opt(sbi, LFS);
+
+ switch (mt) {
+ case F2FS_MOUNT_ADAPTIVE:
+ set_opt(sbi, ADAPTIVE);
+ break;
+ case F2FS_MOUNT_LFS:
+ set_opt(sbi, LFS);
+ break;
+ }
+}
+
static inline bool f2fs_may_encrypt(struct inode *inode)
{
#ifdef CONFIG_F2FS_FS_ENCRYPTION