staging: erofs: remove rcu_read_lock() in erofs_try_to_free_cached_page

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page_private(page) cannot be changed if page lock is taken.

Besides, the corresponding workgroup won't be freed
if the page is already protected by page lock, therefore
no need to take rcu read lock.

Signed-off-by: Gao Xiang <gaoxiang25@huawei.com>
Reviewed-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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Gao Xiang 2019-02-16 16:46:50 +08:00 • committed by Greg Kroah-Hartman

parent 62dc45979f

commit 047d4abc4d

1 changed files with 5 additions and 11 deletions

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drivers/staging/erofs/unzip_vle.c

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