diff options
Diffstat (limited to 'fs/f2fs/f2fs.h')
| -rw-r--r-- | fs/f2fs/f2fs.h | 21 |
1 files changed, 18 insertions, 3 deletions
diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h index a397f7ac9945..07fda632430b 100644 --- a/fs/f2fs/f2fs.h +++ b/fs/f2fs/f2fs.h @@ -192,8 +192,12 @@ static inline bool __has_cursum_space(struct f2fs_summary_block *sum, int size, /* * ioctl commands */ -#define F2FS_IOC_GETFLAGS FS_IOC_GETFLAGS -#define F2FS_IOC_SETFLAGS FS_IOC_SETFLAGS +#define F2FS_IOC_GETFLAGS FS_IOC_GETFLAGS +#define F2FS_IOC_SETFLAGS FS_IOC_SETFLAGS + +#define F2FS_IOCTL_MAGIC 0xf5 +#define F2FS_IOC_START_ATOMIC_WRITE _IO(F2FS_IOCTL_MAGIC, 1) +#define F2FS_IOC_COMMIT_ATOMIC_WRITE _IO(F2FS_IOCTL_MAGIC, 2) #if defined(__KERNEL__) && defined(CONFIG_COMPAT) /* @@ -263,6 +267,9 @@ struct f2fs_inode_info { unsigned long long xattr_ver; /* cp version of xattr modification */ struct extent_info ext; /* in-memory extent cache entry */ struct dir_inode_entry *dirty_dir; /* the pointer of dirty dir */ + + struct list_head inmem_pages; /* inmemory pages managed by f2fs */ + struct mutex inmem_lock; /* lock for inmemory pages */ }; static inline void get_extent_info(struct extent_info *ext, @@ -1051,7 +1058,8 @@ enum { FI_INLINE_DATA, /* used for inline data*/ FI_APPEND_WRITE, /* inode has appended data */ FI_UPDATE_WRITE, /* inode has in-place-update data */ - FI_NEED_IPU, /* used fo ipu for fdatasync */ + FI_NEED_IPU, /* used for ipu per file */ + FI_ATOMIC_FILE, /* indicate atomic file */ }; static inline void set_inode_flag(struct f2fs_inode_info *fi, int flag) @@ -1138,6 +1146,11 @@ static inline int f2fs_has_inline_data(struct inode *inode) return is_inode_flag_set(F2FS_I(inode), FI_INLINE_DATA); } +static inline bool f2fs_is_atomic_file(struct inode *inode) +{ + return is_inode_flag_set(F2FS_I(inode), FI_ATOMIC_FILE); +} + static inline void *inline_data_addr(struct page *page) { struct f2fs_inode *ri = F2FS_INODE(page); @@ -1275,6 +1288,8 @@ void destroy_node_manager_caches(void); /* * segment.c */ +void register_inmem_page(struct inode *, struct page *); +void commit_inmem_pages(struct inode *, bool); 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 *); |