fs/f2fs/f2fs.h

827 struct f2fs_inode_info {  struct
828 	struct inode vfs_inode;		/* serve a vfs inode */
829 	unsigned long i_flags;		/* keep an inode flags for ioctl */
830 	unsigned char i_advise;		/* use to give file attribute hints */
831 	unsigned char i_dir_level;	/* use for dentry level for large dir */
832 	union {
836 	unsigned int i_pino;		/* parent inode number */
837 	umode_t i_acl_mode;		/* keep file acl mode temporarily */
840 	unsigned long flags[BITS_TO_LONGS(FI_MAX)];	/* use to pass per-file flags */
841 	unsigned int ioprio_hint;	/* hint for IO priority */
842 	struct f2fs_rwsem i_sem;	/* protect fi info */
843 	atomic_t dirty_pages;		/* # of dirty pages */
844 	f2fs_hash_t chash;		/* hash value of given file name */
845 	unsigned int clevel;		/* maximum level of given file name */
846 	struct task_struct *task;	/* lookup and create consistency */
847 	struct task_struct *cp_task;	/* separate cp/wb IO stats*/
848 	struct task_struct *wb_task;	/* indicate inode is in context of writeback */
849 	nid_t i_xattr_nid;		/* node id that contains xattrs */
850 	loff_t	last_disk_size;		/* lastly written file size */
851 	spinlock_t i_size_lock;		/* protect last_disk_size */
854 	struct dquot __rcu *i_dquot[MAXQUOTAS];
857 	qsize_t i_reserved_quota;
859 	struct list_head dirty_list;	/* dirty list for dirs and files */
860 	struct list_head gdirty_list;	/* linked in global dirty list */
863 	struct list_head gdonate_list;
864 	pgoff_t donate_start, donate_end; /* inclusive */
866 	struct task_struct *atomic_write_task;	/* store atomic write task */
867 	struct extent_tree *extent_tree[NR_EXTENT_CACHES];
869 	union {
876 	struct f2fs_rwsem i_gc_rwsem[2];
877 	struct f2fs_rwsem i_xattr_sem; /* avoid racing between reading and changing EAs */
879 	int i_extra_isize;		/* size of extra space located in i_addr */
880 	kprojid_t i_projid;		/* id for project quota */
881 	int i_inline_xattr_size;	/* inline xattr size */
882 	struct timespec64 i_crtime;	/* inode creation time */
883 	struct timespec64 i_disk_time[3];/* inode disk times */
886 	atomic_t i_compr_blocks;		/* # of compressed blocks */
887 	unsigned char i_compress_algorithm;	/* algorithm type */
888 	unsigned char i_log_cluster_size;	/* log of cluster size */
889 	unsigned char i_compress_level;		/* compress level (lz4hc,zstd) */
890 	unsigned char i_compress_flag;		/* compress flag */
891 	unsigned int i_cluster_size;		/* cluster size */
893 	unsigned int atomic_write_cnt;
894 	loff_t original_i_size;		/* original i_size before atomic write */