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Date: Sun, 24 May 2020 20:56:55 -0700 From: Jaegeuk Kim <jaegeuk@...nel.org> To: linux-kernel@...r.kernel.org, linux-f2fs-devel@...ts.sourceforge.net, kernel-team@...roid.com Subject: Re: [PATCH v3] f2fs: avoid inifinite loop to wait for flushing node pages at cp_error Shutdown test is somtimes hung, since it keeps trying to flush dirty node pages in an inifinite loop. Let's drop dirty pages at umount in that case. Signed-off-by: Jaegeuk Kim <jaegeuk@...nel.org> --- v3: - fix wrong unlock v2: - fix typos fs/f2fs/node.c | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) diff --git a/fs/f2fs/node.c b/fs/f2fs/node.c index e632de10aedab..e0bb0f7e0506e 100644 --- a/fs/f2fs/node.c +++ b/fs/f2fs/node.c @@ -1520,8 +1520,15 @@ static int __write_node_page(struct page *page, bool atomic, bool *submitted, trace_f2fs_writepage(page, NODE); - if (unlikely(f2fs_cp_error(sbi))) + if (unlikely(f2fs_cp_error(sbi))) { + if (is_sbi_flag_set(sbi, SBI_IS_CLOSE)) { + ClearPageUptodate(page); + dec_page_count(sbi, F2FS_DIRTY_NODES); + unlock_page(page); + return 0; + } goto redirty_out; + } if (unlikely(is_sbi_flag_set(sbi, SBI_POR_DOING))) goto redirty_out; -- 2.27.0.rc0.183.gde8f92d652-goog
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