fs/f2fs/namei.c

903 static int f2fs_rename(struct mnt_idmap *idmap, struct inode *old_dir,
907 	struct f2fs_sb_info *sbi = F2FS_I_SB(old_dir);
931 	 * add a link in old_dir which can convert inline_dir.
937 	if (old_dir == new_dir && !new_inode) {
938 		err = f2fs_try_convert_inline_dir(old_dir, new_dentry);
946 		err = f2fs_setup_filename(old_dir, &old_dentry->d_name,
951 		err = f2fs_create_whiteout(idmap, old_dir, &whiteout, &fname);
956 	err = f2fs_dquot_initialize(old_dir);
971 	old_entry = f2fs_find_entry(old_dir, &old_dentry->d_name, &old_folio);
978 	if (old_is_dir && old_dir != new_dir) {
1050 	f2fs_delete_entry(old_entry, old_folio, old_dir, NULL);
1069 		f2fs_i_links_write(old_dir, false);
1080 	if (IS_DIRSYNC(old_dir) || IS_DIRSYNC(new_dir))
1099 static int f2fs_cross_rename(struct inode *old_dir, struct dentry *old_dentry,
1102 	struct f2fs_sb_info *sbi = F2FS_I_SB(old_dir);
1120 	    (is_inode_flag_set(old_dir, FI_PROJ_INHERIT) &&
1121 			!projid_eq(F2FS_I(old_dir)->i_projid,
1125 	err = f2fs_dquot_initialize(old_dir);
1134 	old_entry = f2fs_find_entry(old_dir, &old_dentry->d_name, &old_folio);
1149 	if (old_dir != new_dir) {
1181 		if ((old_nlink > 0 && old_dir->i_nlink >= F2FS_LINK_MAX) ||
1196 		f2fs_set_link(new_inode, new_dir_entry, new_dir_folio, old_dir);
1199 	f2fs_set_link(old_dir, old_entry, old_folio, new_inode);
1209 	inode_set_ctime_current(old_dir);
1211 		f2fs_down_write(&F2FS_I(old_dir)->i_sem);
1212 		f2fs_i_links_write(old_dir, old_nlink > 0);
1213 		f2fs_up_write(&F2FS_I(old_dir)->i_sem);
1215 	f2fs_mark_inode_dirty_sync(old_dir, false);
1225 		f2fs_i_pino_write(new_inode, old_dir->i_ino);
1237 		f2fs_add_ino_entry(sbi, old_dir->i_ino, TRANS_DIR_INO);
1243 	if (IS_DIRSYNC(old_dir) || IS_DIRSYNC(new_dir))
1265 			struct inode *old_dir, struct dentry *old_dentry,
1274 	trace_f2fs_rename_start(old_dir, old_dentry, new_dir, new_dentry,
1277 	err = fscrypt_prepare_rename(old_dir, old_dentry, new_dir, new_dentry,
1283 		err = f2fs_cross_rename(old_dir, old_dentry,
1290 		err = f2fs_rename(idmap, old_dir, old_dentry,