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erofs: correct the remaining shrink objects 

commit 9d5a09c6f3b5fb85af20e3a34827b5d27d152b34 upstream.

The remaining count should not include successful
shrink attempts.

Fixes: e7e9a307be ("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>
This commit is contained in:
Gao Xiang 2020-02-26 16:10:06 +08:00 committed by Greg Kroah-Hartman
parent 433868b19c
commit a181a74610
1 changed files with 1 additions and 1 deletions
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2
fs/erofs/utils.c
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@ -294,7 +294,7 @@ static unsigned long erofs_shrink_scan(struct shrinker *shrink,
spin_unlock(&erofs_sb_list_lock);
sbi->shrinker_run_no = run_no;
freed += erofs_shrink_workstation(sbi, nr, false);
freed += erofs_shrink_workstation(sbi, nr - freed, false);
spin_lock(&erofs_sb_list_lock);
/* Get the next list element before we move this one */