309 static void swap_inode_data(struct inode *inode1, struct inode *inode2)  in swap_inode_data()
337 void ext4_reset_inode_seed(struct inode *inode)  in ext4_reset_inode_seed()  argument
339 	struct ext4_inode_info *ei = EXT4_I(inode);  in ext4_reset_inode_seed()
340 	struct ext4_sb_info *sbi = EXT4_SB(inode->i_sb);  in ext4_reset_inode_seed()
341 	__le32 inum = cpu_to_le32(inode->i_ino);  in ext4_reset_inode_seed()
342 	__le32 gen = cpu_to_le32(inode->i_generation);  in ext4_reset_inode_seed()
345 	if (!ext4_has_metadata_csum(inode->i_sb))  in ext4_reset_inode_seed()
364 				struct inode *inode)  in swap_inode_boot_loader()  argument
368 	struct inode *inode_bl;  in swap_inode_boot_loader()
382 	lock_two_nondirectories(inode, inode_bl);  in swap_inode_boot_loader()
384 	if (inode->i_nlink != 1 || !S_ISREG(inode->i_mode) ||  in swap_inode_boot_loader()
385 	    IS_SWAPFILE(inode) || IS_ENCRYPTED(inode) ||  in swap_inode_boot_loader()
386 	    (EXT4_I(inode)->i_flags & EXT4_JOURNAL_DATA_FL) ||  in swap_inode_boot_loader()
387 	    ext4_has_inline_data(inode)) {  in swap_inode_boot_loader()
392 	if (IS_RDONLY(inode) || IS_APPEND(inode) || IS_IMMUTABLE(inode) ||  in swap_inode_boot_loader()
393 	    !inode_owner_or_capable(idmap, inode) ||  in swap_inode_boot_loader()
399 	filemap_invalidate_lock(inode->i_mapping);  in swap_inode_boot_loader()
400 	err = filemap_write_and_wait(inode->i_mapping);  in swap_inode_boot_loader()
409 	inode_dio_wait(inode);  in swap_inode_boot_loader()
412 	truncate_inode_pages(&inode->i_data, 0);  in swap_inode_boot_loader()
423 	ext4_double_down_write_data_sem(inode, inode_bl);  in swap_inode_boot_loader()
443 	err = dquot_initialize(inode);  in swap_inode_boot_loader()
447 	size = (qsize_t)(inode->i_blocks) * (1 << 9) + inode->i_bytes;  in swap_inode_boot_loader()
450 	swap_inode_data(inode, inode_bl);  in swap_inode_boot_loader()
452 	inode_set_ctime_current(inode);  in swap_inode_boot_loader()
454 	inode_inc_iversion(inode);  in swap_inode_boot_loader()
456 	inode->i_generation = get_random_u32();  in swap_inode_boot_loader()
458 	ext4_reset_inode_seed(inode);  in swap_inode_boot_loader()
461 	ext4_discard_preallocations(inode, 0);  in swap_inode_boot_loader()
463 	err = ext4_mark_inode_dirty(handle, inode);  in swap_inode_boot_loader()
466 		ext4_warning(inode->i_sb,  in swap_inode_boot_loader()
468 			inode->i_ino, err);  in swap_inode_boot_loader()
470 		swap_inode_data(inode, inode_bl);  in swap_inode_boot_loader()
471 		ext4_mark_inode_dirty(handle, inode);  in swap_inode_boot_loader()
477 	inode_bl->i_blocks = inode->i_blocks;  in swap_inode_boot_loader()
478 	inode_bl->i_bytes = inode->i_bytes;  in swap_inode_boot_loader()
490 		dquot_free_space(inode, diff);  in swap_inode_boot_loader()
492 		err = dquot_alloc_space(inode, -1 * diff);  in swap_inode_boot_loader()
499 		swap_inode_data(inode, inode_bl);  in swap_inode_boot_loader()
500 		ext4_mark_inode_dirty(handle, inode);  in swap_inode_boot_loader()
506 	ext4_double_up_write_data_sem(inode, inode_bl);  in swap_inode_boot_loader()
509 	filemap_invalidate_unlock(inode->i_mapping);  in swap_inode_boot_loader()
511 	unlock_two_nondirectories(inode, inode_bl);  in swap_inode_boot_loader()
521 static int ext4_ioctl_check_immutable(struct inode *inode, __u32 new_projid,  in ext4_ioctl_check_immutable()  argument
524 	struct ext4_inode_info *ei = EXT4_I(inode);  in ext4_ioctl_check_immutable()
532 	if (ext4_has_feature_project(inode->i_sb) &&  in ext4_ioctl_check_immutable()
539 static void ext4_dax_dontcache(struct inode *inode, unsigned int flags)  in ext4_dax_dontcache()  argument
541 	struct ext4_inode_info *ei = EXT4_I(inode);  in ext4_dax_dontcache()
543 	if (S_ISDIR(inode->i_mode))  in ext4_dax_dontcache()
546 	if (test_opt2(inode->i_sb, DAX_NEVER) ||  in ext4_dax_dontcache()
547 	    test_opt(inode->i_sb, DAX_ALWAYS))  in ext4_dax_dontcache()
551 		d_mark_dontcache(inode);  in ext4_dax_dontcache()
554 static bool dax_compatible(struct inode *inode, unsigned int oldflags,  in dax_compatible()  argument
558 	if (S_ISDIR(inode->i_mode)) {  in dax_compatible()
565 		     ext4_test_inode_state(inode,  in dax_compatible()
577 static int ext4_ioctl_setflags(struct inode *inode,  in ext4_ioctl_setflags()  argument
580 	struct ext4_inode_info *ei = EXT4_I(inode);  in ext4_ioctl_setflags()
585 	struct super_block *sb = inode->i_sb;  in ext4_ioctl_setflags()
588 	if (ext4_is_quota_file(inode))  in ext4_ioctl_setflags()
601 	if (!dax_compatible(inode, oldflags, flags)) {  in ext4_ioctl_setflags()
615 		if (!S_ISDIR(inode->i_mode)) {  in ext4_ioctl_setflags()
620 		if (!ext4_empty_dir(inode)) {  in ext4_ioctl_setflags()
632 	if (S_ISREG(inode->i_mode) && !IS_IMMUTABLE(inode) &&  in ext4_ioctl_setflags()
634 		inode_dio_wait(inode);  in ext4_ioctl_setflags()
635 		err = filemap_write_and_wait(inode->i_mapping);  in ext4_ioctl_setflags()
640 	handle = ext4_journal_start(inode, EXT4_HT_INODE, 1);  in ext4_ioctl_setflags()
645 	if (IS_SYNC(inode))  in ext4_ioctl_setflags()
647 	err = ext4_reserve_inode_write(handle, inode, &iloc);  in ext4_ioctl_setflags()
651 	ext4_dax_dontcache(inode, flags);  in ext4_ioctl_setflags()
660 			ext4_set_inode_flag(inode, i);  in ext4_ioctl_setflags()
662 			ext4_clear_inode_flag(inode, i);  in ext4_ioctl_setflags()
665 	ext4_set_inode_flags(inode, false);  in ext4_ioctl_setflags()
667 	inode_set_ctime_current(inode);  in ext4_ioctl_setflags()
668 	inode_inc_iversion(inode);  in ext4_ioctl_setflags()
670 	err = ext4_mark_iloc_dirty(handle, inode, &iloc);  in ext4_ioctl_setflags()
681 		if (IS_DAX(inode)) {  in ext4_ioctl_setflags()
686 		err = ext4_change_inode_journal_flag(inode,  in ext4_ioctl_setflags()
693 			err = ext4_ext_migrate(inode);  in ext4_ioctl_setflags()
695 			err = ext4_ind_migrate(inode);  in ext4_ioctl_setflags()
703 static int ext4_ioctl_setproject(struct inode *inode, __u32 projid)  in ext4_ioctl_setproject()  argument
705 	struct super_block *sb = inode->i_sb;  in ext4_ioctl_setproject()
706 	struct ext4_inode_info *ei = EXT4_I(inode);  in ext4_ioctl_setproject()
726 	if (projid_eq(kprojid, EXT4_I(inode)->i_projid))  in ext4_ioctl_setproject()
731 	if (ext4_is_quota_file(inode))  in ext4_ioctl_setproject()
734 	err = dquot_initialize(inode);  in ext4_ioctl_setproject()
738 	err = ext4_get_inode_loc(inode, &iloc);  in ext4_ioctl_setproject()
744 		err = ext4_expand_extra_isize(inode,  in ext4_ioctl_setproject()
753 	handle = ext4_journal_start(inode, EXT4_HT_QUOTA,  in ext4_ioctl_setproject()
759 	err = ext4_reserve_inode_write(handle, inode, &iloc);  in ext4_ioctl_setproject()
769 		down_read(&EXT4_I(inode)->xattr_sem);  in ext4_ioctl_setproject()
770 		err = __dquot_transfer(inode, transfer_to);  in ext4_ioctl_setproject()
771 		up_read(&EXT4_I(inode)->xattr_sem);  in ext4_ioctl_setproject()
777 	EXT4_I(inode)->i_projid = kprojid;  in ext4_ioctl_setproject()
778 	inode_set_ctime_current(inode);  in ext4_ioctl_setproject()
779 	inode_inc_iversion(inode);  in ext4_ioctl_setproject()
781 	rc = ext4_mark_iloc_dirty(handle, inode, &iloc);  in ext4_ioctl_setproject()
789 static int ext4_ioctl_setproject(struct inode *inode, __u32 projid)  in ext4_ioctl_setproject()  argument
976 	struct inode *inode = d_inode(dentry);  in ext4_fileattr_get()  local
977 	struct ext4_inode_info *ei = EXT4_I(inode);  in ext4_fileattr_get()
980 	if (S_ISREG(inode->i_mode))  in ext4_fileattr_get()
984 	if (ext4_has_feature_project(inode->i_sb))  in ext4_fileattr_get()
993 	struct inode *inode = d_inode(dentry);  in ext4_fileattr_set()  local
1007 	if (ext4_mask_flags(inode->i_mode, flags) != flags)  in ext4_fileattr_set()
1009 	err = ext4_ioctl_check_immutable(inode, fa->fsx_projid, flags);  in ext4_fileattr_set()
1012 	err = ext4_ioctl_setflags(inode, flags);  in ext4_fileattr_set()
1015 	err = ext4_ioctl_setproject(inode, fa->fsx_projid);  in ext4_fileattr_set()
1028 	struct inode *inode = file_inode(filp);  in ext4_ioctl_get_es_cache()  local
1041 	error = ext4_get_es_cache(inode, &fieinfo, fiemap.fm_start,  in ext4_ioctl_get_es_cache()
1226 	struct inode *inode = file_inode(filp);  in __ext4_ioctl()  local
1227 	struct super_block *sb = inode->i_sb;  in __ext4_ioctl()
1237 		return put_user(inode->i_generation, (int __user *) arg);  in __ext4_ioctl()
1245 		if (!inode_owner_or_capable(idmap, inode))  in __ext4_ioctl()
1248 		if (ext4_has_metadata_csum(inode->i_sb)) {  in __ext4_ioctl()
1262 		inode_lock(inode);  in __ext4_ioctl()
1263 		handle = ext4_journal_start(inode, EXT4_HT_INODE, 1);  in __ext4_ioctl()
1268 		err = ext4_reserve_inode_write(handle, inode, &iloc);  in __ext4_ioctl()
1270 			inode_set_ctime_current(inode);  in __ext4_ioctl()
1271 			inode_inc_iversion(inode);  in __ext4_ioctl()
1272 			inode->i_generation = generation;  in __ext4_ioctl()
1273 			err = ext4_mark_iloc_dirty(handle, inode, &iloc);  in __ext4_ioctl()
1278 		inode_unlock(inode);  in __ext4_ioctl()
1351 		} else if (IS_DAX(inode)) {  in __ext4_ioctl()
1387 		if (!inode_owner_or_capable(idmap, inode))  in __ext4_ioctl()
1399 		inode_lock((inode));  in __ext4_ioctl()
1400 		err = ext4_ext_migrate(inode);  in __ext4_ioctl()
1401 		inode_unlock((inode));  in __ext4_ioctl()
1409 		if (!inode_owner_or_capable(idmap, inode))  in __ext4_ioctl()
1415 		err = ext4_alloc_da_blocks(inode);  in __ext4_ioctl()
1428 		err = swap_inode_boot_loader(sb, idmap, inode);  in __ext4_ioctl()
1506 		return ext4_ext_precache(inode);  in __ext4_ioctl()
1553 		if (!inode_owner_or_capable(idmap, inode))  in __ext4_ioctl()
1555 		ext4_clear_inode_es(inode);  in __ext4_ioctl()
1563 		if (ext4_test_inode_state(inode, EXT4_STATE_EXT_PRECACHED))  in __ext4_ioctl()
1565 		if (ext4_test_inode_state(inode, EXT4_STATE_NEW))  in __ext4_ioctl()
1567 		if (ext4_test_inode_state(inode, EXT4_STATE_NEWENTRY))  in __ext4_ioctl()
1569 		if (ext4_test_inode_state(inode, EXT4_STATE_DA_ALLOC_CLOSE))  in __ext4_ioctl()