fs/ext4/fast_commit.c

189 	struct ext4_inode_info *ei = EXT4_I(inode);
191 	ei->i_fc_lblk_start = 0;
192 	ei->i_fc_lblk_len = 0;
197 	struct ext4_inode_info *ei = EXT4_I(inode);
201 	INIT_LIST_HEAD(&ei->i_fc_list);
202 	INIT_LIST_HEAD(&ei->i_fc_dilist);
203 	init_waitqueue_head(&ei->i_fc_wait);
204 	atomic_set(&ei->i_fc_updates, 0);
212 	struct ext4_inode_info *ei = EXT4_I(inode);
215 	DEFINE_WAIT_BIT(wait, &ei->i_state_flags,
217 	wq = bit_waitqueue(&ei->i_state_flags,
220 	DEFINE_WAIT_BIT(wait, &ei->i_flags,
222 	wq = bit_waitqueue(&ei->i_flags,
247 	struct ext4_inode_info *ei = EXT4_I(inode);
254 	if (list_empty(&ei->i_fc_list))
262 	atomic_inc(&ei->i_fc_updates);
271 	struct ext4_inode_info *ei = EXT4_I(inode);
276 	if (atomic_dec_and_test(&ei->i_fc_updates))
277 		wake_up_all(&ei->i_fc_wait);
286 	struct ext4_inode_info *ei = EXT4_I(inode);
295 	if (list_empty(&ei->i_fc_list) && list_empty(&ei->i_fc_dilist)) {
305 	if (!list_empty(&ei->i_fc_list))
306 		list_del_init(&ei->i_fc_list);
312 	if (list_empty(&ei->i_fc_dilist)) {
317 	fc_dentry = list_first_entry(&ei->i_fc_dilist, struct ext4_fc_dentry_update, fcd_dilist);
322 	WARN_ON(!list_empty(&ei->i_fc_dilist));
379 	struct ext4_inode_info *ei = EXT4_I(inode);
385 	mutex_lock(&ei->i_fc_lock);
386 	if (tid == ei->i_sync_tid) {
390 		ei->i_sync_tid = tid;
393 	mutex_unlock(&ei->i_fc_lock);
415 /* __track_fn for directory entry updates. Called with ei->i_fc_lock. */
419 	struct ext4_inode_info *ei = EXT4_I(inode);
427 	mutex_unlock(&ei->i_fc_lock);
432 		mutex_lock(&ei->i_fc_lock);
439 		mutex_lock(&ei->i_fc_lock);
451 			mutex_lock(&ei->i_fc_lock);
481 		WARN_ON(!list_empty(&ei->i_fc_dilist));
482 		list_add_tail(&node->fcd_dilist, &ei->i_fc_dilist);
485 	mutex_lock(&ei->i_fc_lock);
612 	struct ext4_inode_info *ei = EXT4_I(inode);
622 	oldstart = ei->i_fc_lblk_start;
624 	if (update && ei->i_fc_lblk_len > 0) {
625 		ei->i_fc_lblk_start = min(ei->i_fc_lblk_start, __arg->start);
626 		ei->i_fc_lblk_len =
627 			max(oldstart + ei->i_fc_lblk_len - 1, __arg->end) -
628 				ei->i_fc_lblk_start + 1;
630 		ei->i_fc_lblk_start = __arg->start;
631 		ei->i_fc_lblk_len = __arg->end - __arg->start + 1;
847 	struct ext4_inode_info *ei = EXT4_I(inode);
862 		inode_len += ei->i_extra_isize;
892 	struct ext4_inode_info *ei = EXT4_I(inode);
899 	mutex_lock(&ei->i_fc_lock);
900 	if (ei->i_fc_lblk_len == 0) {
901 		mutex_unlock(&ei->i_fc_lock);
904 	old_blk_size = ei->i_fc_lblk_start;
905 	new_blk_size = ei->i_fc_lblk_start + ei->i_fc_lblk_len - 1;
906 	ei->i_fc_lblk_len = 0;
907 	mutex_unlock(&ei->i_fc_lock);
965 	struct ext4_inode_info *ei;
969 	list_for_each_entry(ei, &sbi->s_fc_q[FC_Q_MAIN], i_fc_list) {
970 		ext4_set_inode_state(&ei->vfs_inode, EXT4_STATE_FC_COMMITTING);
971 		while (atomic_read(&ei->i_fc_updates)) {
974 			prepare_to_wait(&ei->i_fc_wait, &wait,
976 			if (atomic_read(&ei->i_fc_updates)) {
981 			finish_wait(&ei->i_fc_wait, &wait);
984 		ret = jbd2_submit_inode_data(journal, ei->jinode);
1028 	struct ext4_inode_info *ei;
1049 		ei = list_first_entry(&fc_dentry->fcd_dilist,
1051 		inode = &ei->vfs_inode;