218 	struct ocfs2_dentry_lock *dl = dentry->d_fsdata;  in ocfs2_dentry_attach_lock()  local
221 				       (unsigned long long)parent_blkno, dl);  in ocfs2_dentry_attach_lock()
235 		dentry->d_fsdata = dl = NULL;  in ocfs2_dentry_attach_lock()
238 	if (dl) {  in ocfs2_dentry_attach_lock()
239 		mlog_bug_on_msg(dl->dl_parent_blkno != parent_blkno,  in ocfs2_dentry_attach_lock()
243 				(unsigned long long)dl->dl_parent_blkno);  in ocfs2_dentry_attach_lock()
260 		dl = alias->d_fsdata;  in ocfs2_dentry_attach_lock()
261 		mlog_bug_on_msg(!dl, "parent %llu, ino %llu\n",  in ocfs2_dentry_attach_lock()
265 		mlog_bug_on_msg(dl->dl_parent_blkno != parent_blkno,  in ocfs2_dentry_attach_lock()
269 				(unsigned long long)dl->dl_parent_blkno);  in ocfs2_dentry_attach_lock()
271 		trace_ocfs2_dentry_attach_lock_found(dl->dl_lockres.l_name,  in ocfs2_dentry_attach_lock()
281 	dl = kmalloc(sizeof(*dl), GFP_NOFS);  in ocfs2_dentry_attach_lock()
282 	if (!dl) {  in ocfs2_dentry_attach_lock()
288 	dl->dl_count = 0;  in ocfs2_dentry_attach_lock()
293 	dl->dl_inode = igrab(inode);  in ocfs2_dentry_attach_lock()
294 	dl->dl_parent_blkno = parent_blkno;  in ocfs2_dentry_attach_lock()
295 	ocfs2_dentry_lock_res_init(dl, parent_blkno, inode);  in ocfs2_dentry_attach_lock()
305 		iput(dl->dl_inode);  in ocfs2_dentry_attach_lock()
306 		ocfs2_lock_res_free(&dl->dl_lockres);  in ocfs2_dentry_attach_lock()
307 		kfree(dl);  in ocfs2_dentry_attach_lock()
311 	dentry->d_fsdata = dl;  in ocfs2_dentry_attach_lock()
312 	dl->dl_count++;  in ocfs2_dentry_attach_lock()
332 		ocfs2_lock_res_free(&dl->dl_lockres);  in ocfs2_dentry_attach_lock()
333 		BUG_ON(dl->dl_count != 1);  in ocfs2_dentry_attach_lock()
337 		kfree(dl);  in ocfs2_dentry_attach_lock()
368 				   struct ocfs2_dentry_lock *dl)  in ocfs2_drop_dentry_lock()  argument
370 	iput(dl->dl_inode);  in ocfs2_drop_dentry_lock()
371 	ocfs2_simple_drop_lockres(osb, &dl->dl_lockres);  in ocfs2_drop_dentry_lock()
372 	ocfs2_lock_res_free(&dl->dl_lockres);  in ocfs2_drop_dentry_lock()
373 	kfree(dl);  in ocfs2_drop_dentry_lock()
377 			   struct ocfs2_dentry_lock *dl)  in ocfs2_dentry_lock_put()  argument
381 	BUG_ON(dl->dl_count == 0);  in ocfs2_dentry_lock_put()
384 	dl->dl_count--;  in ocfs2_dentry_lock_put()
385 	unlock = !dl->dl_count;  in ocfs2_dentry_lock_put()
389 		ocfs2_drop_dentry_lock(osb, dl);  in ocfs2_dentry_lock_put()
394 	struct ocfs2_dentry_lock *dl = dentry->d_fsdata;  in ocfs2_dentry_iput()  local
396 	if (!dl) {  in ocfs2_dentry_iput()
414 	mlog_bug_on_msg(dl->dl_count == 0, "dentry: %pd, count: %u\n",  in ocfs2_dentry_iput()
415 			dentry, dl->dl_count);  in ocfs2_dentry_iput()
417 	ocfs2_dentry_lock_put(OCFS2_SB(dentry->d_sb), dl);  in ocfs2_dentry_iput()