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Subject[PATCH 5.6 104/254] erofs: correct the remaining shrink objects
Date
From: Gao Xiang <gaoxiang25@huawei.com>

commit 9d5a09c6f3b5fb85af20e3a34827b5d27d152b34 upstream.

The remaining count should not include successful
shrink attempts.

Fixes: e7e9a307be9d ("staging: erofs: introduce workstation for decompression")
Cc: <stable@vger.kernel.org> # 4.19+
Link: https://lore.kernel.org/r/20200226081008.86348-1-gaoxiang25@huawei.com
Reviewed-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Gao Xiang <gaoxiang25@huawei.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
fs/erofs/utils.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

--- a/fs/erofs/utils.c
+++ b/fs/erofs/utils.c
@@ -286,7 +286,7 @@ static unsigned long erofs_shrink_scan(s
spin_unlock(&erofs_sb_list_lock);
sbi->shrinker_run_no = run_no;

- freed += erofs_shrink_workstation(sbi, nr);
+ freed += erofs_shrink_workstation(sbi, nr - freed);

spin_lock(&erofs_sb_list_lock);
/* Get the next list element before we move this one */

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