erofs: correct the remaining shrink objects
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>
diff --git a/drivers/staging/erofs/utils.c b/drivers/staging/erofs/utils.c
index 2d96820..4de9c395 100644
--- a/drivers/staging/erofs/utils.c
+++ b/drivers/staging/erofs/utils.c
@@ -309,7 +309,7 @@
sbi->shrinker_run_no = run_no;
#ifdef CONFIG_EROFS_FS_ZIP
- freed += erofs_shrink_workstation(sbi, nr, false);
+ freed += erofs_shrink_workstation(sbi, nr - freed, false);
#endif
spin_lock(&erofs_sb_list_lock);