fs/hpfs/namei.c

12 static void hpfs_update_directory_times(struct inode *dir)
14 	time64_t t = local_to_gmt(dir->i_sb, local_get_seconds(dir->i_sb));
15 	if (t == inode_get_mtime_sec(dir) &&
16 	    t == inode_get_ctime_sec(dir))
18 	inode_set_mtime_to_ts(dir, inode_set_ctime(dir, t, 0));
19 	hpfs_write_inode_nolock(dir);
22 static int hpfs_mkdir(struct mnt_idmap *idmap, struct inode *dir,
39 	hpfs_lock(dir->i_sb);
41 	fnode = hpfs_alloc_fnode(dir->i_sb, hpfs_i(dir)->i_dno, &fno, &bh);
44 	dnode = hpfs_alloc_dnode(dir->i_sb, fno, &dno, &qbh0);
53 	dee.creation_date = dee.write_date = dee.read_date = cpu_to_le32(local_get_seconds(dir->i_sb));
54 	result = new_inode(dir->i_sb);
59 	hpfs_i(result)->i_parent_dir = dir->i_ino;
62 			      inode_set_atime_to_ts(result, inode_set_ctime(result, local_to_gmt(dir->i_sb, le32_to_cpu(dee.creation_date)), 0)));
73 	r = hpfs_add_dirent(dir, name, len, &dee);
82 	fnode->up = cpu_to_le32(dir->i_ino);
91 	de = hpfs_add_de(dir->i_sb, dnode, "\001\001", 2, 0);
92 	de->creation_date = de->write_date = de->read_date = cpu_to_le32(local_get_seconds(dir->i_sb));
101 	inc_nlink(dir);
112 	hpfs_update_directory_times(dir);
114 	hpfs_unlock(dir->i_sb);
120 	hpfs_free_dnode(dir->i_sb, dno);
123 	hpfs_free_sectors(dir->i_sb, fno, 1);
125 	hpfs_unlock(dir->i_sb);
129 static int hpfs_create(struct mnt_idmap *idmap, struct inode *dir,
143 	hpfs_lock(dir->i_sb);
145 	fnode = hpfs_alloc_fnode(dir->i_sb, hpfs_i(dir)->i_dno, &fno, &bh);
153 	dee.creation_date = dee.write_date = dee.read_date = cpu_to_le32(local_get_seconds(dir->i_sb));
155 	result = new_inode(dir->i_sb);
166 	hpfs_i(result)->i_parent_dir = dir->i_ino;
168 			      inode_set_atime_to_ts(result, inode_set_ctime(result, local_to_gmt(dir->i_sb, le32_to_cpu(dee.creation_date)), 0)));
177 	r = hpfs_add_dirent(dir, name, len, &dee);
186 	fnode->up = cpu_to_le32(dir->i_ino);
200 	hpfs_update_directory_times(dir);
202 	hpfs_unlock(dir->i_sb);
209 	hpfs_free_sectors(dir->i_sb, fno, 1);
211 	hpfs_unlock(dir->i_sb);
215 static int hpfs_mknod(struct mnt_idmap *idmap, struct inode *dir,
228 	if (hpfs_sb(dir->i_sb)->sb_eas < 2) return -EPERM;
229 	hpfs_lock(dir->i_sb);
231 	fnode = hpfs_alloc_fnode(dir->i_sb, hpfs_i(dir)->i_dno, &fno, &bh);
239 	dee.creation_date = dee.write_date = dee.read_date = cpu_to_le32(local_get_seconds(dir->i_sb));
241 	result = new_inode(dir->i_sb);
247 	hpfs_i(result)->i_parent_dir = dir->i_ino;
249 			      inode_set_atime_to_ts(result, inode_set_ctime(result, local_to_gmt(dir->i_sb, le32_to_cpu(dee.creation_date)), 0)));
258 	r = hpfs_add_dirent(dir, name, len, &dee);
267 	fnode->up = cpu_to_le32(dir->i_ino);
273 	hpfs_update_directory_times(dir);
276 	hpfs_unlock(dir->i_sb);
282 	hpfs_free_sectors(dir->i_sb, fno, 1);
284 	hpfs_unlock(dir->i_sb);
288 static int hpfs_symlink(struct mnt_idmap *idmap, struct inode *dir,
301 	hpfs_lock(dir->i_sb);
302 	if (hpfs_sb(dir->i_sb)->sb_eas < 2) {
303 		hpfs_unlock(dir->i_sb);
307 	fnode = hpfs_alloc_fnode(dir->i_sb, hpfs_i(dir)->i_dno, &fno, &bh);
314 	dee.creation_date = dee.write_date = dee.read_date = cpu_to_le32(local_get_seconds(dir->i_sb));
316 	result = new_inode(dir->i_sb);
321 	hpfs_i(result)->i_parent_dir = dir->i_ino;
323 			      inode_set_atime_to_ts(result, inode_set_ctime(result, local_to_gmt(dir->i_sb, le32_to_cpu(dee.creation_date)), 0)));
335 	r = hpfs_add_dirent(dir, name, len, &dee);
344 	fnode->up = cpu_to_le32(dir->i_ino);
352 	hpfs_update_directory_times(dir);
354 	hpfs_unlock(dir->i_sb);
360 	hpfs_free_sectors(dir->i_sb, fno, 1);
362 	hpfs_unlock(dir->i_sb);
366 static int hpfs_unlink(struct inode *dir, struct dentry *dentry)
377 	hpfs_lock(dir->i_sb);
381 	de = map_dirent(dir, hpfs_i(dir)->i_dno, name, len, &dno, &qbh);
393 	r = hpfs_remove_dirent(dir, dno, de, &qbh, 1);
396 		hpfs_error(dir->i_sb, "there was error when removing dirent");
412 		hpfs_update_directory_times(dir);
413 	hpfs_unlock(dir->i_sb);
417 static int hpfs_rmdir(struct inode *dir, struct dentry *dentry)
430 	hpfs_lock(dir->i_sb);
432 	de = map_dirent(dir, hpfs_i(dir)->i_dno, name, len, &dno, &qbh);
444 	hpfs_count_dnodes(dir->i_sb, hpfs_i(inode)->i_dno, NULL, NULL, &n_items);
449 	r = hpfs_remove_dirent(dir, dno, de, &qbh, 1);
452 		hpfs_error(dir->i_sb, "there was error when removing dirent");
459 		drop_nlink(dir);
468 		hpfs_update_directory_times(dir);
469 	hpfs_unlock(dir->i_sb);