mirror of https://gitee.com/openkylin/linux.git
erofs: fix setting up pcluster for temporary pages
pcluster should be only set up for all managed pages instead of
temporary pages. Since it currently uses page->mapping to identify,
the impact is minor for now.
[ Update: Vladimir reported the kernel log becomes polluted
because PAGE_FLAGS_CHECK_AT_FREE flag(s) set if the page
allocation debug option is enabled. ]
Link: https://lore.kernel.org/r/20201022145724.27284-1-hsiangkao@aol.com
Fixes: 5ddcee1f3a
("erofs: get rid of __stagingpage_alloc helper")
Cc: <stable@vger.kernel.org> # 5.5+
Tested-by: Vladimir Zapolskiy <vladimir@tuxera.com>
Reviewed-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Gao Xiang <hsiangkao@redhat.com>
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@ -1078,8 +1078,11 @@ static struct page *pickup_page_for_submission(struct z_erofs_pcluster *pcl,
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cond_resched();
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goto repeat;
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}
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set_page_private(page, (unsigned long)pcl);
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SetPagePrivate(page);
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if (tocache) {
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set_page_private(page, (unsigned long)pcl);
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SetPagePrivate(page);
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}
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out: /* the only exit (for tracing and debugging) */
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return page;
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}
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