232 	struct ocfs2_dentry_lock *dl = dentry->d_fsdata;  in ocfs2_dentry_attach_lock()  local
235 				       (unsigned long long)parent_blkno, dl);  in ocfs2_dentry_attach_lock()
249 		dentry->d_fsdata = dl = NULL;  in ocfs2_dentry_attach_lock()
252 	if (dl) {  in ocfs2_dentry_attach_lock()
253 		mlog_bug_on_msg(dl->dl_parent_blkno != parent_blkno,  in ocfs2_dentry_attach_lock()
257 				(unsigned long long)dl->dl_parent_blkno);  in ocfs2_dentry_attach_lock()
274 		dl = alias->d_fsdata;  in ocfs2_dentry_attach_lock()
275 		mlog_bug_on_msg(!dl, "parent %llu, ino %llu\n",  in ocfs2_dentry_attach_lock()
279 		mlog_bug_on_msg(dl->dl_parent_blkno != parent_blkno,  in ocfs2_dentry_attach_lock()
283 				(unsigned long long)dl->dl_parent_blkno);  in ocfs2_dentry_attach_lock()
285 		trace_ocfs2_dentry_attach_lock_found(dl->dl_lockres.l_name,  in ocfs2_dentry_attach_lock()
295 	dl = kmalloc(sizeof(*dl), GFP_NOFS);  in ocfs2_dentry_attach_lock()
296 	if (!dl) {  in ocfs2_dentry_attach_lock()
302 	dl->dl_count = 0;  in ocfs2_dentry_attach_lock()
307 	dl->dl_inode = igrab(inode);  in ocfs2_dentry_attach_lock()
308 	dl->dl_parent_blkno = parent_blkno;  in ocfs2_dentry_attach_lock()
309 	ocfs2_dentry_lock_res_init(dl, parent_blkno, inode);  in ocfs2_dentry_attach_lock()
313 	dentry->d_fsdata = dl;  in ocfs2_dentry_attach_lock()
314 	dl->dl_count++;  in ocfs2_dentry_attach_lock()
334 		ocfs2_lock_res_free(&dl->dl_lockres);  in ocfs2_dentry_attach_lock()
335 		BUG_ON(dl->dl_count != 1);  in ocfs2_dentry_attach_lock()
339 		kfree(dl);  in ocfs2_dentry_attach_lock()
370 				   struct ocfs2_dentry_lock *dl)  in ocfs2_drop_dentry_lock()  argument
372 	iput(dl->dl_inode);  in ocfs2_drop_dentry_lock()
373 	ocfs2_simple_drop_lockres(osb, &dl->dl_lockres);  in ocfs2_drop_dentry_lock()
374 	ocfs2_lock_res_free(&dl->dl_lockres);  in ocfs2_drop_dentry_lock()
375 	kfree(dl);  in ocfs2_drop_dentry_lock()
379 			   struct ocfs2_dentry_lock *dl)  in ocfs2_dentry_lock_put()  argument
383 	BUG_ON(dl->dl_count == 0);  in ocfs2_dentry_lock_put()
386 	dl->dl_count--;  in ocfs2_dentry_lock_put()
387 	unlock = !dl->dl_count;  in ocfs2_dentry_lock_put()
391 		ocfs2_drop_dentry_lock(osb, dl);  in ocfs2_dentry_lock_put()
396 	struct ocfs2_dentry_lock *dl = dentry->d_fsdata;  in ocfs2_dentry_iput()  local
398 	if (!dl) {  in ocfs2_dentry_iput()
416 	mlog_bug_on_msg(dl->dl_count == 0, "dentry: %pd, count: %u\n",  in ocfs2_dentry_iput()
417 			dentry, dl->dl_count);  in ocfs2_dentry_iput()
419 	ocfs2_dentry_lock_put(OCFS2_SB(dentry->d_sb), dl);  in ocfs2_dentry_iput()