From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754713AbdL2CBC (ORCPT ); Thu, 28 Dec 2017 21:01:02 -0500 Received: from mail.kernel.org ([198.145.29.99]:37056 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753498AbdL2CBB (ORCPT ); Thu, 28 Dec 2017 21:01:01 -0500 DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org C159F217C3 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=jaegeuk@kernel.org From: Jaegeuk Kim To: linux-kernel@vger.kernel.org, linux-f2fs-devel@lists.sourceforge.net Cc: Jaegeuk Kim Subject: [PATCH 1/2] f2fs: stop checkpoint only from fault injection Date: Thu, 28 Dec 2017 18:00:55 -0800 Message-Id: <20171229020056.60558-1-jaegeuk@kernel.org> X-Mailer: git-send-email 2.15.0.531.g2ccb3012c9-goog Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org If we got EIO by block layer, we still can proceed since EIO can be recovered. But, if we injected stop_checkpoint, we must stop everything. This should fix generic/441 failure in xfstests. Signed-off-by: Jaegeuk Kim --- fs/f2fs/checkpoint.c | 16 ++++------------ fs/f2fs/data.c | 8 ++------ fs/f2fs/f2fs.h | 2 +- fs/f2fs/file.c | 8 ++++---- fs/f2fs/gc.c | 2 +- fs/f2fs/inode.c | 2 +- fs/f2fs/segment.c | 2 +- 7 files changed, 14 insertions(+), 26 deletions(-) diff --git a/fs/f2fs/checkpoint.c b/fs/f2fs/checkpoint.c index 14d2fedaf3ca..ce92243549dd 100644 --- a/fs/f2fs/checkpoint.c +++ b/fs/f2fs/checkpoint.c @@ -26,11 +26,10 @@ static struct kmem_cache *ino_entry_slab; struct kmem_cache *inode_entry_slab; -void f2fs_stop_checkpoint(struct f2fs_sb_info *sbi, bool end_io) +void f2fs_stop_checkpoint(struct f2fs_sb_info *sbi) { set_ckpt_flags(sbi, CP_ERROR_FLAG); - if (!end_io) - f2fs_flush_merged_writes(sbi); + f2fs_flush_merged_writes(sbi); } /* @@ -89,18 +88,11 @@ static struct page *__get_meta_page(struct f2fs_sb_info *sbi, pgoff_t index, } lock_page(page); - if (unlikely(page->mapping != mapping)) { + /* If there is any IO error when accessing device, let's try again. */ + if (unlikely(page->mapping != mapping || !PageUptodate(page))) { f2fs_put_page(page, 1); goto repeat; } - - /* - * if there is any IO error when accessing device, make our filesystem - * readonly and make sure do not write checkpoint with non-uptodate - * meta page. - */ - if (unlikely(!PageUptodate(page))) - f2fs_stop_checkpoint(sbi, false); out: return page; } diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c index b9fab6186f28..29523013c5a3 100644 --- a/fs/f2fs/data.c +++ b/fs/f2fs/data.c @@ -101,18 +101,14 @@ static void f2fs_write_end_io(struct bio *bio) ClearPagePrivate(page); unlock_page(page); mempool_free(page, sbi->write_io_dummy); - - if (unlikely(bio->bi_status)) - f2fs_stop_checkpoint(sbi, true); continue; } fscrypt_pullback_bio_page(&page, true); - if (unlikely(bio->bi_status)) { + if (unlikely(bio->bi_status)) mapping_set_error(page->mapping, -EIO); - f2fs_stop_checkpoint(sbi, true); - } + dec_page_count(sbi, type); clear_cold_data(page); end_page_writeback(page); diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h index b32eacf11270..f06fb7b332c7 100644 --- a/fs/f2fs/f2fs.h +++ b/fs/f2fs/f2fs.h @@ -2741,7 +2741,7 @@ int rw_hint_to_seg_type(enum rw_hint hint); /* * checkpoint.c */ -void f2fs_stop_checkpoint(struct f2fs_sb_info *sbi, bool end_io); +void f2fs_stop_checkpoint(struct f2fs_sb_info *sbi); struct page *grab_meta_page(struct f2fs_sb_info *sbi, pgoff_t index); struct page *get_meta_page(struct f2fs_sb_info *sbi, pgoff_t index); struct page *get_tmp_page(struct f2fs_sb_info *sbi, pgoff_t index); diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c index 66a51e9fbe83..7ccf3e7ff498 100644 --- a/fs/f2fs/file.c +++ b/fs/f2fs/file.c @@ -1840,21 +1840,21 @@ static int f2fs_ioc_shutdown(struct file *filp, unsigned long arg) case F2FS_GOING_DOWN_FULLSYNC: sb = freeze_bdev(sb->s_bdev); if (sb && !IS_ERR(sb)) { - f2fs_stop_checkpoint(sbi, false); + f2fs_stop_checkpoint(sbi); thaw_bdev(sb->s_bdev, sb); } break; case F2FS_GOING_DOWN_METASYNC: /* do checkpoint only */ f2fs_sync_fs(sb, 1); - f2fs_stop_checkpoint(sbi, false); + f2fs_stop_checkpoint(sbi); break; case F2FS_GOING_DOWN_NOSYNC: - f2fs_stop_checkpoint(sbi, false); + f2fs_stop_checkpoint(sbi); break; case F2FS_GOING_DOWN_METAFLUSH: sync_meta_pages(sbi, META, LONG_MAX, FS_META_IO); - f2fs_stop_checkpoint(sbi, false); + f2fs_stop_checkpoint(sbi); break; default: ret = -EINVAL; diff --git a/fs/f2fs/gc.c b/fs/f2fs/gc.c index 9bffef153a12..538396ea4d29 100644 --- a/fs/f2fs/gc.c +++ b/fs/f2fs/gc.c @@ -56,7 +56,7 @@ static int gc_thread_func(void *data) #ifdef CONFIG_F2FS_FAULT_INJECTION if (time_to_inject(sbi, FAULT_CHECKPOINT)) { f2fs_show_injection_info(FAULT_CHECKPOINT); - f2fs_stop_checkpoint(sbi, false); + f2fs_stop_checkpoint(sbi); } #endif diff --git a/fs/f2fs/inode.c b/fs/f2fs/inode.c index 234322889e65..daac3d142c2c 100644 --- a/fs/f2fs/inode.c +++ b/fs/f2fs/inode.c @@ -441,7 +441,7 @@ void update_inode_page(struct inode *inode) cond_resched(); goto retry; } else if (err != -ENOENT) { - f2fs_stop_checkpoint(sbi, false); + f2fs_stop_checkpoint(sbi); } return; } diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c index b03f65e5dfdc..890d483ad21e 100644 --- a/fs/f2fs/segment.c +++ b/fs/f2fs/segment.c @@ -454,7 +454,7 @@ void f2fs_balance_fs(struct f2fs_sb_info *sbi, bool need) #ifdef CONFIG_F2FS_FAULT_INJECTION if (time_to_inject(sbi, FAULT_CHECKPOINT)) { f2fs_show_injection_info(FAULT_CHECKPOINT); - f2fs_stop_checkpoint(sbi, false); + f2fs_stop_checkpoint(sbi); } #endif -- 2.15.0.531.g2ccb3012c9-goog