fs/ubifs/super.c

72 	const struct ubifs_inode *ui = ubifs_inode(inode);
80 	if (ui->compr_type >= UBIFS_COMPR_TYPES_CNT) {
81 		ubifs_err(c, "unknown compression type %d", ui->compr_type);
85 	if (ui->xattr_names + ui->xattr_cnt > XATTR_LIST_MAX)
88 	if (ui->data_len < 0 || ui->data_len > UBIFS_MAX_INO_DATA)
91 	if (ui->xattr && !S_ISREG(inode->i_mode))
94 	if (!ubifs_compr_present(c, ui->compr_type)) {
96 			   inode->i_ino, ubifs_compr_name(c, ui->compr_type));
110 	struct ubifs_inode *ui;
119 	ui = ubifs_inode(inode);
150 	ui->data_len    = le32_to_cpu(ino->data_len);
151 	ui->flags       = le32_to_cpu(ino->flags);
152 	ui->compr_type  = le16_to_cpu(ino->compr_type);
153 	ui->creat_sqnum = le64_to_cpu(ino->creat_sqnum);
154 	ui->xattr_cnt   = le32_to_cpu(ino->xattr_cnt);
155 	ui->xattr_size  = le32_to_cpu(ino->xattr_size);
156 	ui->xattr_names = le32_to_cpu(ino->xattr_names);
157 	ui->synced_i_size = ui->ui_size = inode->i_size;
159 	ui->xattr = (ui->flags & UBIFS_XATTR_FL) ? 1 : 0;
170 		if (ui->xattr) {
171 			ui->data = kmalloc(ui->data_len + 1, GFP_NOFS);
172 			if (!ui->data) {
176 			memcpy(ui->data, ino->data, ui->data_len);
177 			((char *)ui->data)[ui->data_len] = '\0';
178 		} else if (ui->data_len != 0) {
186 		if (ui->data_len != 0) {
193 		if (ui->data_len <= 0 || ui->data_len > UBIFS_MAX_INO_DATA) {
197 		ui->data = kmalloc(ui->data_len + 1, GFP_NOFS);
198 		if (!ui->data) {
202 		memcpy(ui->data, ino->data, ui->data_len);
203 		((char *)ui->data)[ui->data_len] = '\0';
211 		ui->data = kmalloc(sizeof(union ubifs_dev_desc), GFP_NOFS);
212 		if (!ui->data) {
218 		if (ui->data_len == sizeof(dev->new))
220 		else if (ui->data_len == sizeof(dev->huge))
226 		memcpy(ui->data, ino->data, ui->data_len);
235 		if (ui->data_len != 0) {
265 	struct ubifs_inode *ui;
267 	ui = alloc_inode_sb(sb, ubifs_inode_slab, GFP_NOFS);
268 	if (!ui)
271 	memset((void *)ui + sizeof(struct inode), 0,
273 	mutex_init(&ui->ui_mutex);
274 	init_rwsem(&ui->xattr_sem);
275 	spin_lock_init(&ui->ui_lock);
276 	return &ui->vfs_inode;
281 	struct ubifs_inode *ui = ubifs_inode(inode);
283 	kfree(ui->data);
286 	kmem_cache_free(ubifs_inode_slab, ui);
296 	struct ubifs_inode *ui = ubifs_inode(inode);
298 	ubifs_assert(c, !ui->xattr);
302 	mutex_lock(&ui->ui_mutex);
310 	if (!ui->dirty) {
311 		mutex_unlock(&ui->ui_mutex);
327 			err = dbg_check_inode_size(c, inode, ui->ui_size);
330 	ui->dirty = 0;
331 	mutex_unlock(&ui->ui_mutex);
332 	ubifs_release_dirty_inode_budget(c, ui);
350 	struct ubifs_inode *ui = ubifs_inode(inode);
352 	if (ui->xattr)
371 	ui->ui_size = inode->i_size = 0;
382 	if (ui->dirty)
383 		ubifs_release_dirty_inode_budget(c, ui);
397 	struct ubifs_inode *ui = ubifs_inode(inode);
399 	ubifs_assert(c, mutex_is_locked(&ui->ui_mutex));
400 	if (!ui->dirty) {
401 		ui->dirty = 1;
2372 	struct ubifs_inode *ui = obj;
2373 	inode_init_once(&ui->vfs_inode);