69 typedef int (get_block_t)(struct inode *inode, sector_t iblock,
426 	struct inode		*host;		/* owner: inode, block_device */
452 	struct inode *		bd_inode;	/* will die */
566 #define i_size_ordered_init(inode) seqcount_init(&inode->i_size_seqcount)  argument
568 #define i_size_ordered_init(inode) do { } while (0)  argument
583 struct inode {  struct
672 static inline int inode_unhashed(struct inode *inode)  in inode_unhashed()  argument
674 	return hlist_unhashed(&inode->i_hash);  in inode_unhashed()
703 void lock_two_nondirectories(struct inode *, struct inode*);
704 void unlock_two_nondirectories(struct inode *, struct inode*);
716 static inline loff_t i_size_read(const struct inode *inode)  in i_size_read()  argument
723 		seq = read_seqcount_begin(&inode->i_size_seqcount);  in i_size_read()
724 		i_size = inode->i_size;  in i_size_read()
725 	} while (read_seqcount_retry(&inode->i_size_seqcount, seq));  in i_size_read()
731 	i_size = inode->i_size;  in i_size_read()
735 	return inode->i_size;  in i_size_read()
744 static inline void i_size_write(struct inode *inode, loff_t i_size)  in i_size_write()  argument
748 	write_seqcount_begin(&inode->i_size_seqcount);  in i_size_write()
749 	inode->i_size = i_size;  in i_size_write()
750 	write_seqcount_end(&inode->i_size_seqcount);  in i_size_write()
754 	inode->i_size = i_size;  in i_size_write()
757 	inode->i_size = i_size;  in i_size_write()
766 static inline uid_t i_uid_read(const struct inode *inode)  in i_uid_read()  argument
768 	return from_kuid(&init_user_ns, inode->i_uid);  in i_uid_read()
771 static inline gid_t i_gid_read(const struct inode *inode)  in i_gid_read()  argument
773 	return from_kgid(&init_user_ns, inode->i_gid);  in i_gid_read()
776 static inline void i_uid_write(struct inode *inode, uid_t uid)  in i_uid_write()  argument
778 	inode->i_uid = make_kuid(&init_user_ns, uid);  in i_uid_write()
781 static inline void i_gid_write(struct inode *inode, gid_t gid)  in i_gid_write()  argument
783 	inode->i_gid = make_kgid(&init_user_ns, gid);  in i_gid_write()
786 static inline unsigned iminor(const struct inode *inode)  in iminor()  argument
788 	return MINOR(inode->i_rdev);  in iminor()
791 static inline unsigned imajor(const struct inode *inode)  in imajor()  argument
793 	return MAJOR(inode->i_rdev);  in imajor()
796 extern struct block_device *I_BDEV(struct inode *inode);
835 	struct inode		*f_inode;	/* cached value */
1040 extern int posix_lock_inode_wait(struct inode *, struct file_lock *);
1045 extern int flock_lock_inode_wait(struct inode *inode, struct file_lock *fl);
1046 extern int __break_lease(struct inode *inode, unsigned int flags, unsigned int type);
1047 extern void lease_get_mtime(struct inode *, struct timespec *time);
1131 static inline int posix_lock_inode_wait(struct inode *inode,  in posix_lock_inode_wait()  argument
1158 static inline int flock_lock_inode_wait(struct inode *inode,  in flock_lock_inode_wait()  argument
1164 static inline int __break_lease(struct inode *inode, unsigned int mode, unsigned int type)  in __break_lease()  argument
1169 static inline void lease_get_mtime(struct inode *inode, struct timespec *time)  in lease_get_mtime()  argument
1197 static inline struct inode *file_inode(const struct file *f)  in file_inode()
1489 extern bool inode_owner_or_capable(const struct inode *inode);
1494 extern int vfs_create(struct inode *, struct dentry *, umode_t, bool);
1495 extern int vfs_mkdir(struct inode *, struct dentry *, umode_t);
1496 extern int vfs_mknod(struct inode *, struct dentry *, umode_t, dev_t);
1497 extern int vfs_symlink(struct inode *, struct dentry *, const char *);
1498 extern int vfs_link(struct dentry *, struct inode *, struct dentry *, struct inode **);
1499 extern int vfs_rmdir(struct inode *, struct dentry *);
1500 extern int vfs_unlink(struct inode *, struct dentry *, struct inode **);
1501 extern int vfs_rename(struct inode *, struct dentry *, struct inode *, struct dentry *, struct inod…
1502 extern int vfs_whiteout(struct inode *, struct dentry *);
1512 extern void inode_init_owner(struct inode *inode, const struct inode *dir,
1602 	int (*open) (struct inode *, struct file *);
1604 	int (*release) (struct inode *, struct file *);
1625 	struct dentry * (*lookup) (struct inode *,struct dentry *, unsigned int);
1627 	int (*permission) (struct inode *, int);
1628 	struct posix_acl * (*get_acl)(struct inode *, int);
1633 	int (*create) (struct inode *,struct dentry *, umode_t, bool);
1634 	int (*link) (struct dentry *,struct inode *,struct dentry *);
1635 	int (*unlink) (struct inode *,struct dentry *);
1636 	int (*symlink) (struct inode *,struct dentry *,const char *);
1637 	int (*mkdir) (struct inode *,struct dentry *,umode_t);
1638 	int (*rmdir) (struct inode *,struct dentry *);
1639 	int (*mknod) (struct inode *,struct dentry *,umode_t,dev_t);
1640 	int (*rename) (struct inode *, struct dentry *,
1641 			struct inode *, struct dentry *);
1642 	int (*rename2) (struct inode *, struct dentry *,
1643 			struct inode *, struct dentry *, unsigned int);
1650 	int (*fiemap)(struct inode *, struct fiemap_extent_info *, u64 start,
1652 	int (*update_time)(struct inode *, struct timespec *, int);
1653 	int (*atomic_open)(struct inode *, struct dentry *,
1656 	int (*tmpfile) (struct inode *, struct dentry *, umode_t);
1657 	int (*set_acl)(struct inode *, struct posix_acl *, int);
1677    	struct inode *(*alloc_inode)(struct super_block *sb);
1678 	void (*destroy_inode)(struct inode *);
1680    	void (*dirty_inode) (struct inode *, int flags);
1681 	int (*write_inode) (struct inode *, struct writeback_control *wbc);
1682 	int (*drop_inode) (struct inode *);
1683 	void (*evict_inode) (struct inode *);
1701 	struct dquot **(*get_dquots)(struct inode *);
1745 #define __IS_FLG(inode, flg)	((inode)->i_sb->s_flags & (flg))  argument
1747 #define IS_RDONLY(inode)	((inode)->i_sb->s_flags & MS_RDONLY)  argument
1748 #define IS_SYNC(inode)		(__IS_FLG(inode, MS_SYNCHRONOUS) || \  argument
1749 					((inode)->i_flags & S_SYNC))
1750 #define IS_DIRSYNC(inode)	(__IS_FLG(inode, MS_SYNCHRONOUS|MS_DIRSYNC) || \  argument
1751 					((inode)->i_flags & (S_SYNC|S_DIRSYNC)))
1752 #define IS_MANDLOCK(inode)	__IS_FLG(inode, MS_MANDLOCK)  argument
1753 #define IS_NOATIME(inode)	__IS_FLG(inode, MS_RDONLY|MS_NOATIME)  argument
1754 #define IS_I_VERSION(inode)	__IS_FLG(inode, MS_I_VERSION)  argument
1756 #define IS_NOQUOTA(inode)	((inode)->i_flags & S_NOQUOTA)  argument
1757 #define IS_APPEND(inode)	((inode)->i_flags & S_APPEND)  argument
1758 #define IS_IMMUTABLE(inode)	((inode)->i_flags & S_IMMUTABLE)  argument
1759 #define IS_POSIXACL(inode)	__IS_FLG(inode, MS_POSIXACL)  argument
1761 #define IS_DEADDIR(inode)	((inode)->i_flags & S_DEAD)  argument
1762 #define IS_NOCMTIME(inode)	((inode)->i_flags & S_NOCMTIME)  argument
1763 #define IS_SWAPFILE(inode)	((inode)->i_flags & S_SWAPFILE)  argument
1764 #define IS_PRIVATE(inode)	((inode)->i_flags & S_PRIVATE)  argument
1765 #define IS_IMA(inode)		((inode)->i_flags & S_IMA)  argument
1766 #define IS_AUTOMOUNT(inode)	((inode)->i_flags & S_AUTOMOUNT)  argument
1767 #define IS_NOSEC(inode)		((inode)->i_flags & S_NOSEC)  argument
1768 #define IS_DAX(inode)		((inode)->i_flags & S_DAX)  argument
1770 #define IS_WHITEOUT(inode)	(S_ISCHR(inode->i_mode) && \  argument
1771 				 (inode)->i_rdev == WHITEOUT_DEV)
1847 extern void __mark_inode_dirty(struct inode *, int);
1848 static inline void mark_inode_dirty(struct inode *inode)  in mark_inode_dirty()  argument
1850 	__mark_inode_dirty(inode, I_DIRTY);  in mark_inode_dirty()
1853 static inline void mark_inode_dirty_sync(struct inode *inode)  in mark_inode_dirty_sync()  argument
1855 	__mark_inode_dirty(inode, I_DIRTY_SYNC);  in mark_inode_dirty_sync()
1858 extern void inc_nlink(struct inode *inode);
1859 extern void drop_nlink(struct inode *inode);
1860 extern void clear_nlink(struct inode *inode);
1861 extern void set_nlink(struct inode *inode, unsigned int nlink);
1863 static inline void inode_inc_link_count(struct inode *inode)  in inode_inc_link_count()  argument
1865 	inc_nlink(inode);  in inode_inc_link_count()
1866 	mark_inode_dirty(inode);  in inode_inc_link_count()
1869 static inline void inode_dec_link_count(struct inode *inode)  in inode_dec_link_count()  argument
1871 	drop_nlink(inode);  in inode_dec_link_count()
1872 	mark_inode_dirty(inode);  in inode_dec_link_count()
1883 static inline void inode_inc_iversion(struct inode *inode)  in inode_inc_iversion()  argument
1885        spin_lock(&inode->i_lock);  in inode_inc_iversion()
1886        inode->i_version++;  in inode_inc_iversion()
1887        spin_unlock(&inode->i_lock);  in inode_inc_iversion()
1904 int sync_inode(struct inode *inode, struct writeback_control *wbc);
1905 int sync_inode_metadata(struct inode *inode, int wait);
2006 extern void ihold(struct inode * inode);
2007 extern void iput(struct inode *);
2008 extern int generic_update_time(struct inode *, struct timespec *, int);
2020 extern int locks_mandatory_area(int, struct inode *, struct file *, loff_t, size_t);
2027 static inline int __mandatory_lock(struct inode *ino)  in __mandatory_lock()
2037 static inline int mandatory_lock(struct inode *ino)  in mandatory_lock()
2049 static inline int locks_verify_truncate(struct inode *inode,  in locks_verify_truncate()  argument
2053 	if (inode->i_flctx && mandatory_lock(inode))  in locks_verify_truncate()
2055 			FLOCK_VERIFY_WRITE, inode, filp,  in locks_verify_truncate()
2056 			size < inode->i_size ? size : inode->i_size,  in locks_verify_truncate()
2057 			(size < inode->i_size ? inode->i_size - size  in locks_verify_truncate()
2058 			 : size - inode->i_size)  in locks_verify_truncate()
2063 static inline int break_lease(struct inode *inode, unsigned int mode)  in break_lease()  argument
2072 	if (inode->i_flctx && !list_empty_careful(&inode->i_flctx->flc_lease))  in break_lease()
2073 		return __break_lease(inode, mode, FL_LEASE);  in break_lease()
2077 static inline int break_deleg(struct inode *inode, unsigned int mode)  in break_deleg()  argument
2086 	if (inode->i_flctx && !list_empty_careful(&inode->i_flctx->flc_lease))  in break_deleg()
2087 		return __break_lease(inode, mode, FL_DELEG);  in break_deleg()
2091 static inline int try_break_deleg(struct inode *inode, struct inode **delegated_inode)  in try_break_deleg()  argument
2095 	ret = break_deleg(inode, O_WRONLY|O_NONBLOCK);  in try_break_deleg()
2097 		*delegated_inode = inode;  in try_break_deleg()
2098 		ihold(inode);  in try_break_deleg()
2103 static inline int break_deleg_wait(struct inode **delegated_inode)  in break_deleg_wait()
2113 static inline int break_layout(struct inode *inode, bool wait)  in break_layout()  argument
2116 	if (inode->i_flctx && !list_empty_careful(&inode->i_flctx->flc_lease))  in break_layout()
2117 		return __break_lease(inode,  in break_layout()
2129 static inline int locks_mandatory_area(int rw, struct inode *inode,  in locks_mandatory_area()  argument
2136 static inline int __mandatory_lock(struct inode *inode)  in __mandatory_lock()  argument
2141 static inline int mandatory_lock(struct inode *inode)  in mandatory_lock()  argument
2151 static inline int locks_verify_truncate(struct inode *inode, struct file *filp,  in locks_verify_truncate()  argument
2157 static inline int break_lease(struct inode *inode, unsigned int mode)  in break_lease()  argument
2162 static inline int break_deleg(struct inode *inode, unsigned int mode)  in break_deleg()  argument
2167 static inline int try_break_deleg(struct inode *inode, struct inode **delegated_inode)  in try_break_deleg()  argument
2172 static inline int break_deleg_wait(struct inode **delegated_inode)  in break_deleg_wait()
2178 static inline int break_layout(struct inode *inode, bool wait)  in break_layout()  argument
2219 			int (*open)(struct inode *, struct file *),
2242 extern void bd_forget(struct inode *inode);
2254 static inline void bd_forget(struct inode *inode) {}  in bd_forget()  argument
2346 extern void init_special_inode(struct inode *, umode_t, dev_t);
2349 extern void make_bad_inode(struct inode *);
2350 extern int is_bad_inode(struct inode *);
2373 static inline void invalidate_remote_inode(struct inode *inode)  in invalidate_remote_inode()  argument
2375 	if (S_ISREG(inode->i_mode) || S_ISDIR(inode->i_mode) ||  in invalidate_remote_inode()
2376 	    S_ISLNK(inode->i_mode))  in invalidate_remote_inode()
2377 		invalidate_mapping_pages(inode->i_mapping, 0, -1);  in invalidate_remote_inode()
2382 extern int write_inode_now(struct inode *, int);
2409 extern sector_t bmap(struct inode *, sector_t);
2411 extern int notify_change(struct dentry *, struct iattr *, struct inode **);
2412 extern int inode_permission(struct inode *, int);
2413 extern int __inode_permission(struct inode *, int);
2414 extern int generic_permission(struct inode *, int);
2415 extern int __check_sticky(struct inode *dir, struct inode *inode);
2417 static inline bool execute_ok(struct inode *inode)  in execute_ok()  argument
2419 	return (inode->i_mode & S_IXUGO) || S_ISDIR(inode->i_mode);  in execute_ok()
2459 static inline int get_write_access(struct inode *inode)  in get_write_access()  argument
2461 	return atomic_inc_unless_negative(&inode->i_writecount) ? 0 : -ETXTBSY;  in get_write_access()
2465 	struct inode *inode = file_inode(file);  in deny_write_access()  local
2466 	return atomic_dec_unless_positive(&inode->i_writecount) ? 0 : -ETXTBSY;  in deny_write_access()
2468 static inline void put_write_access(struct inode * inode)  in put_write_access()  argument
2470 	atomic_dec(&inode->i_writecount);  in put_write_access()
2477 static inline bool inode_is_open_for_write(const struct inode *inode)  in inode_is_open_for_write()  argument
2479 	return atomic_read(&inode->i_writecount) > 0;  in inode_is_open_for_write()
2483 static inline void i_readcount_dec(struct inode *inode)  in i_readcount_dec()  argument
2485 	BUG_ON(!atomic_read(&inode->i_readcount));  in i_readcount_dec()
2486 	atomic_dec(&inode->i_readcount);  in i_readcount_dec()
2488 static inline void i_readcount_inc(struct inode *inode)  in i_readcount_inc()  argument
2490 	atomic_inc(&inode->i_readcount);  in i_readcount_inc()
2493 static inline void i_readcount_dec(struct inode *inode)  in i_readcount_dec()  argument
2497 static inline void i_readcount_inc(struct inode *inode)  in i_readcount_inc()  argument
2520 extern int inode_init_always(struct super_block *, struct inode *);
2521 extern void inode_init_once(struct inode *);
2523 extern struct inode * igrab(struct inode *);
2525 extern int inode_needs_sync(struct inode *inode);
2526 extern int generic_delete_inode(struct inode *inode);
2527 static inline int generic_drop_inode(struct inode *inode)  in generic_drop_inode()  argument
2529 	return !inode->i_nlink || inode_unhashed(inode);  in generic_drop_inode()
2532 extern struct inode *ilookup5_nowait(struct super_block *sb,
2533 		unsigned long hashval, int (*test)(struct inode *, void *),
2535 extern struct inode *ilookup5(struct super_block *sb, unsigned long hashval,
2536 		int (*test)(struct inode *, void *), void *data);
2537 extern struct inode *ilookup(struct super_block *sb, unsigned long ino);
2539 extern struct inode * iget5_locked(struct super_block *, unsigned long, int (*test)(struct inode *,…
2540 extern struct inode * iget_locked(struct super_block *, unsigned long);
2541 extern struct inode *find_inode_nowait(struct super_block *,
2543 				       int (*match)(struct inode *,
2546 extern int insert_inode_locked4(struct inode *, unsigned long, int (*test)(struct inode *, void *),…
2547 extern int insert_inode_locked(struct inode *);
2549 extern void lockdep_annotate_inode_mutex_key(struct inode *inode);
2551 static inline void lockdep_annotate_inode_mutex_key(struct inode *inode) { };  in lockdep_annotate_inode_mutex_key()  argument
2553 extern void unlock_new_inode(struct inode *);
2556 extern void __iget(struct inode * inode);
2557 extern void iget_failed(struct inode *);
2558 extern void clear_inode(struct inode *);
2559 extern void __destroy_inode(struct inode *);
2560 extern struct inode *new_inode_pseudo(struct super_block *sb);
2561 extern struct inode *new_inode(struct super_block *sb);
2562 extern void free_inode_nonrcu(struct inode *inode);
2566 extern void __insert_inode_hash(struct inode *, unsigned long hashval);
2567 static inline void insert_inode_hash(struct inode *inode)  in insert_inode_hash()  argument
2569 	__insert_inode_hash(inode, inode->i_ino);  in insert_inode_hash()
2572 extern void __remove_inode_hash(struct inode *);
2573 static inline void remove_inode_hash(struct inode *inode)  in remove_inode_hash()  argument
2575 	if (!inode_unhashed(inode))  in remove_inode_hash()
2576 		__remove_inode_hash(inode);  in remove_inode_hash()
2579 extern void inode_sb_list_add(struct inode *inode);
2631 extern int generic_file_open(struct inode * inode, struct file * filp);
2632 extern int nonseekable_open(struct inode * inode, struct file * filp);
2634 ssize_t dax_do_io(struct kiocb *, struct inode *, struct iov_iter *, loff_t,
2636 int dax_clear_blocks(struct inode *, sector_t block, long size);
2637 int dax_zero_page_range(struct inode *, loff_t from, unsigned len, get_block_t);
2638 int dax_truncate_page(struct inode *, loff_t from, get_block_t);
2645 typedef void (dio_submit_t)(int rw, struct bio *bio, struct inode *inode,
2664 ssize_t __blockdev_direct_IO(struct kiocb *iocb, struct inode *inode,
2671 					 struct inode *inode,  in blockdev_direct_IO()  argument
2675 	return __blockdev_direct_IO(iocb, inode, inode->i_sb->s_bdev, iter,  in blockdev_direct_IO()
2681 void inode_dio_wait(struct inode *inode);
2690 static inline void inode_dio_begin(struct inode *inode)  in inode_dio_begin()  argument
2692 	atomic_inc(&inode->i_dio_count);  in inode_dio_begin()
2702 static inline void inode_dio_end(struct inode *inode)  in inode_dio_end()  argument
2704 	if (atomic_dec_and_test(&inode->i_dio_count))  in inode_dio_end()
2705 		wake_up_bit(&inode->i_state, __I_DIO_WAKEUP);  in inode_dio_end()
2708 extern void inode_set_flags(struct inode *inode, unsigned int flags,
2719 extern int __page_symlink(struct inode *inode, const char *symname, int len,
2721 extern int page_symlink(struct inode *inode, const char *symname, int len);
2725 extern void generic_fillattr(struct inode *, struct kstat *);
2728 void __inode_add_bytes(struct inode *inode, loff_t bytes);
2729 void inode_add_bytes(struct inode *inode, loff_t bytes);
2730 void __inode_sub_bytes(struct inode *inode, loff_t bytes);
2731 void inode_sub_bytes(struct inode *inode, loff_t bytes);
2732 loff_t inode_get_bytes(struct inode *inode);
2733 void inode_set_bytes(struct inode *inode, loff_t bytes);
2744 extern int __generic_block_fiemap(struct inode *inode,
2748 extern int generic_block_fiemap(struct inode *inode,
2763 extern int dcache_dir_open(struct inode *, struct file *);
2764 extern int dcache_dir_close(struct inode *, struct file *);
2770 extern int simple_open(struct inode *inode, struct file *file);
2771 extern int simple_link(struct dentry *, struct inode *, struct dentry *);
2772 extern int simple_unlink(struct inode *, struct dentry *);
2773 extern int simple_rmdir(struct inode *, struct dentry *);
2774 extern int simple_rename(struct inode *, struct dentry *, struct inode *, struct dentry *);
2785 extern struct inode *alloc_anon_inode(struct super_block *);
2789 extern struct dentry *simple_lookup(struct inode *, struct dentry *, unsigned int flags);
2793 extern void make_empty_dir_inode(struct inode *inode);
2794 extern bool is_empty_dir_inode(struct inode *inode);
2819 extern int inode_change_ok(const struct inode *, struct iattr *);
2820 extern int inode_newsize_ok(const struct inode *, loff_t offset);
2821 extern void setattr_copy(struct inode *inode, const struct iattr *attr);
2875 int simple_transaction_release(struct inode *inode, struct file *file);
2896 static int __fops ## _open(struct inode *inode, struct file *file)	\
2899 	return simple_attr_open(inode, file, __get, __set, __fmt);	\
2916 int simple_attr_open(struct inode *inode, struct file *file,
2919 int simple_attr_release(struct inode *inode, struct file *file);
2946 static inline int check_sticky(struct inode *dir, struct inode *inode)  in check_sticky()  argument
2951 	return __check_sticky(dir, inode);  in check_sticky()
2954 static inline void inode_has_no_xattr(struct inode *inode)  in inode_has_no_xattr()  argument
2956 	if (!is_sxid(inode->i_mode) && (inode->i_sb->s_flags & MS_NOSEC))  in inode_has_no_xattr()
2957 		inode->i_flags |= S_NOSEC;  in inode_has_no_xattr()
2960 static inline bool is_root_inode(struct inode *inode)  in is_root_inode()  argument
2962 	return inode == inode->i_sb->s_root->d_inode;  in is_root_inode()
2995 static inline bool dir_relax(struct inode *inode)  in dir_relax()  argument
2997 	mutex_unlock(&inode->i_mutex);  in dir_relax()
2998 	mutex_lock(&inode->i_mutex);  in dir_relax()
2999 	return !IS_DEADDIR(inode);  in dir_relax()