216 	struct ocfs2_dentry_lock *dl = dentry->d_fsdata;  in ocfs2_dentry_attach_lock()  local
219 				       (unsigned long long)parent_blkno, dl);  in ocfs2_dentry_attach_lock()
233 		dentry->d_fsdata = dl = NULL;  in ocfs2_dentry_attach_lock()
236 	if (dl) {  in ocfs2_dentry_attach_lock()
237 		mlog_bug_on_msg(dl->dl_parent_blkno != parent_blkno,  in ocfs2_dentry_attach_lock()
241 				(unsigned long long)dl->dl_parent_blkno);  in ocfs2_dentry_attach_lock()
258 		dl = alias->d_fsdata;  in ocfs2_dentry_attach_lock()
259 		mlog_bug_on_msg(!dl, "parent %llu, ino %llu\n",  in ocfs2_dentry_attach_lock()
263 		mlog_bug_on_msg(dl->dl_parent_blkno != parent_blkno,  in ocfs2_dentry_attach_lock()
267 				(unsigned long long)dl->dl_parent_blkno);  in ocfs2_dentry_attach_lock()
269 		trace_ocfs2_dentry_attach_lock_found(dl->dl_lockres.l_name,  in ocfs2_dentry_attach_lock()
279 	dl = kmalloc(sizeof(*dl), GFP_NOFS);  in ocfs2_dentry_attach_lock()
280 	if (!dl) {  in ocfs2_dentry_attach_lock()
286 	dl->dl_count = 0;  in ocfs2_dentry_attach_lock()
291 	dl->dl_inode = igrab(inode);  in ocfs2_dentry_attach_lock()
292 	dl->dl_parent_blkno = parent_blkno;  in ocfs2_dentry_attach_lock()
293 	ocfs2_dentry_lock_res_init(dl, parent_blkno, inode);  in ocfs2_dentry_attach_lock()
303 		iput(dl->dl_inode);  in ocfs2_dentry_attach_lock()
304 		ocfs2_lock_res_free(&dl->dl_lockres);  in ocfs2_dentry_attach_lock()
305 		kfree(dl);  in ocfs2_dentry_attach_lock()
309 	dentry->d_fsdata = dl;  in ocfs2_dentry_attach_lock()
310 	dl->dl_count++;  in ocfs2_dentry_attach_lock()
330 		ocfs2_lock_res_free(&dl->dl_lockres);  in ocfs2_dentry_attach_lock()
331 		BUG_ON(dl->dl_count != 1);  in ocfs2_dentry_attach_lock()
335 		kfree(dl);  in ocfs2_dentry_attach_lock()
366 				   struct ocfs2_dentry_lock *dl)  in ocfs2_drop_dentry_lock()  argument
368 	iput(dl->dl_inode);  in ocfs2_drop_dentry_lock()
369 	ocfs2_simple_drop_lockres(osb, &dl->dl_lockres);  in ocfs2_drop_dentry_lock()
370 	ocfs2_lock_res_free(&dl->dl_lockres);  in ocfs2_drop_dentry_lock()
371 	kfree(dl);  in ocfs2_drop_dentry_lock()
375 			   struct ocfs2_dentry_lock *dl)  in ocfs2_dentry_lock_put()  argument
379 	BUG_ON(dl->dl_count == 0);  in ocfs2_dentry_lock_put()
382 	dl->dl_count--;  in ocfs2_dentry_lock_put()
383 	unlock = !dl->dl_count;  in ocfs2_dentry_lock_put()
387 		ocfs2_drop_dentry_lock(osb, dl);  in ocfs2_dentry_lock_put()
392 	struct ocfs2_dentry_lock *dl = dentry->d_fsdata;  in ocfs2_dentry_iput()  local
394 	if (!dl) {  in ocfs2_dentry_iput()
412 	mlog_bug_on_msg(dl->dl_count == 0, "dentry: %pd, count: %u\n",  in ocfs2_dentry_iput()
413 			dentry, dl->dl_count);  in ocfs2_dentry_iput()
415 	ocfs2_dentry_lock_put(OCFS2_SB(dentry->d_sb), dl);  in ocfs2_dentry_iput()