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f2fs: fix error path of move_data_page

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[ Upstream commit 14a28559f43ac7c0b98dd1b0e73ec9ec8ab4fc45 ]

This patch fixes error path of move_data_page:
- clear cold data flag if it fails to write page.
- redirty page for non-ENOMEM case.

Signed-off-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Chao Yu 2018-05-28 16:59:27 +08:00 committed by Greg Kroah-Hartman
parent 122031c292
commit f3f0291977
1 changed files with 8 additions and 3 deletions
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11
fs/f2fs/gc.c
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@ -768,9 +768,14 @@ retry:
set_cold_data(page);
err = do_write_data_page(&fio);
if (err == -ENOMEM && is_dirty) {
congestion_wait(BLK_RW_ASYNC, HZ/50);
goto retry;
if (err) {
clear_cold_data(page);
if (err == -ENOMEM) {
congestion_wait(BLK_RW_ASYNC, HZ/50);
goto retry;
}
if (is_dirty)
set_page_dirty(page);
}
}
out: