236 static int vfat_find_form(struct inode *dir, unsigned char *name)  in vfat_find_form()  argument
239 	int err = fat_scan(dir, name, &sinfo);  in vfat_find_form()
327 static int vfat_create_shortname(struct inode *dir, struct nls_table *nls,  in vfat_create_shortname()  argument
331 	struct fat_mount_options *opts = &MSDOS_SB(dir->i_sb)->options;  in vfat_create_shortname()
448 		if (vfat_find_form(dir, name_res) == 0)  in vfat_create_shortname()
469 		if (vfat_find_form(dir, name_res) < 0)  in vfat_create_shortname()
487 		if (vfat_find_form(dir, name_res) < 0)  in vfat_create_shortname()
502 		if (vfat_find_form(dir, name_res) < 0)  in vfat_create_shortname()
579 static int vfat_build_slots(struct inode *dir, const unsigned char *name,  in vfat_build_slots()  argument
584 	struct msdos_sb_info *sbi = MSDOS_SB(dir->i_sb);  in vfat_build_slots()
611 	err = vfat_create_shortname(dir, sbi->nls_disk, uname, ulen,  in vfat_build_slots()
656 static int vfat_add_entry(struct inode *dir, const struct qstr *qname,  in vfat_add_entry()  argument
672 	err = vfat_build_slots(dir, qname->name, len, is_dir, cluster, ts,  in vfat_add_entry()
677 	err = fat_add_entries(dir, slots, nr_slots, sinfo);  in vfat_add_entry()
682 	fat_truncate_time(dir, ts, S_CTIME|S_MTIME);  in vfat_add_entry()
683 	if (IS_DIRSYNC(dir))  in vfat_add_entry()
684 		(void)fat_sync_inode(dir);  in vfat_add_entry()
686 		mark_inode_dirty(dir);  in vfat_add_entry()
692 static int vfat_find(struct inode *dir, const struct qstr *qname,  in vfat_find()  argument
698 	return fat_search_long(dir, qname->name, len, sinfo);  in vfat_find()
701 static struct dentry *vfat_lookup(struct inode *dir, struct dentry *dentry,  in vfat_lookup()  argument
704 	struct super_block *sb = dir->i_sb;  in vfat_lookup()
712 	err = vfat_find(dir, &dentry->d_name, &sinfo);  in vfat_lookup()
752 		vfat_d_version_set(dentry, inode_query_iversion(dir));  in vfat_lookup()
759 static int vfat_create(struct mnt_idmap *idmap, struct inode *dir,  in vfat_create()  argument
762 	struct super_block *sb = dir->i_sb;  in vfat_create()
770 	ts = current_time(dir);  in vfat_create()
771 	err = vfat_add_entry(dir, &dentry->d_name, 0, 0, &ts, &sinfo);  in vfat_create()
774 	inode_inc_iversion(dir);  in vfat_create()
790 static int vfat_rmdir(struct inode *dir, struct dentry *dentry)  in vfat_rmdir()  argument
793 	struct super_block *sb = dir->i_sb;  in vfat_rmdir()
802 	err = vfat_find(dir, &dentry->d_name, &sinfo);  in vfat_rmdir()
806 	err = fat_remove_entries(dir, &sinfo);	/* and releases bh */  in vfat_rmdir()
809 	drop_nlink(dir);  in vfat_rmdir()
814 	vfat_d_version_set(dentry, inode_query_iversion(dir));  in vfat_rmdir()
821 static int vfat_unlink(struct inode *dir, struct dentry *dentry)  in vfat_unlink()  argument
824 	struct super_block *sb = dir->i_sb;  in vfat_unlink()
830 	err = vfat_find(dir, &dentry->d_name, &sinfo);  in vfat_unlink()
834 	err = fat_remove_entries(dir, &sinfo);	/* and releases bh */  in vfat_unlink()
840 	vfat_d_version_set(dentry, inode_query_iversion(dir));  in vfat_unlink()
847 static int vfat_mkdir(struct mnt_idmap *idmap, struct inode *dir,  in vfat_mkdir()  argument
850 	struct super_block *sb = dir->i_sb;  in vfat_mkdir()
858 	ts = current_time(dir);  in vfat_mkdir()
859 	cluster = fat_alloc_new_dir(dir, &ts);  in vfat_mkdir()
864 	err = vfat_add_entry(dir, &dentry->d_name, 1, cluster, &ts, &sinfo);  in vfat_mkdir()
867 	inode_inc_iversion(dir);  in vfat_mkdir()
868 	inc_nlink(dir);  in vfat_mkdir()
886 	fat_free_clusters(dir, cluster);  in vfat_mkdir()
902 static int vfat_sync_ipos(struct inode *dir, struct inode *inode)  in vfat_sync_ipos()  argument
904 	if (IS_DIRSYNC(dir))  in vfat_sync_ipos()
910 static int vfat_update_dotdot_de(struct inode *dir, struct inode *inode,  in vfat_update_dotdot_de()  argument
914 	fat_set_start(dotdot_de, MSDOS_I(dir)->i_logstart);  in vfat_update_dotdot_de()
916 	if (IS_DIRSYNC(dir))  in vfat_update_dotdot_de()
921 static void vfat_update_dir_metadata(struct inode *dir, struct timespec64 *ts)  in vfat_update_dir_metadata()  argument
923 	inode_inc_iversion(dir);  in vfat_update_dir_metadata()
924 	fat_truncate_time(dir, ts, S_CTIME | S_MTIME);  in vfat_update_dir_metadata()
925 	if (IS_DIRSYNC(dir))  in vfat_update_dir_metadata()
926 		(void)fat_sync_inode(dir);  in vfat_update_dir_metadata()
928 		mark_inode_dirty(dir);  in vfat_update_dir_metadata()