fs/nilfs2/dat.c

333 	struct buffer_head *entry_bh;
338 	ret = nilfs_palloc_get_entry_block(dat, vblocknr, 0, &entry_bh);
350 	if (!buffer_nilfs_redirected(entry_bh)) {
351 		ret = nilfs_mdt_freeze_buffer(dat, entry_bh);
353 			brelse(entry_bh);
358 	offset = nilfs_palloc_entry_offset(dat, vblocknr, entry_bh);
359 	entry = kmap_local_folio(entry_bh->b_folio, offset);
367 		brelse(entry_bh);
374 	mark_buffer_dirty(entry_bh);
377 	brelse(entry_bh);
400 	struct buffer_head *entry_bh, *bh;
406 	ret = nilfs_palloc_get_entry_block(dat, vblocknr, 0, &entry_bh);
410 	if (!nilfs_doing_gc() && buffer_nilfs_redirected(entry_bh)) {
411 		bh = nilfs_mdt_get_frozen_buffer(dat, entry_bh);
414 			brelse(entry_bh);
415 			entry_bh = bh;
419 	offset = nilfs_palloc_entry_offset(dat, vblocknr, entry_bh);
420 	entry = kmap_local_folio(entry_bh->b_folio, offset);
430 	brelse(entry_bh);
437 	struct buffer_head *entry_bh;
448 						   0, &entry_bh);
460 		offset = nilfs_palloc_entry_offset(dat, first, entry_bh);
461 		first_entry = kmap_local_folio(entry_bh->b_folio, offset);
473 		brelse(entry_bh);