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2021-12-08erofs: add sysfs node to control sync decompression strategyHuang Jianan1-0/+9
Although readpage is a synchronous path, there will be no additional kworker scheduling overhead in non-atomic contexts together with dm-verity. Let's add a sysfs node to disable sync decompression as an option. Link: https://lore.kernel.org/r/20211206143552.8384-1-huangjianan@oppo.com Reviewed-by: Chao Yu <chao@kernel.org> Signed-off-by: Huang Jianan <huangjianan@oppo.com> Signed-off-by: Gao Xiang <hsiangkao@linux.alibaba.com>
2021-12-08erofs: add sysfs interfaceHuang Jianan1-0/+7
Add sysfs interface to configure erofs related parameters later. Link: https://lore.kernel.org/r/20211201145436.4357-1-huangjianan@oppo.com Reviewed-by: Chao Yu <chao@kernel.org> Reviewed-by: Gao Xiang <hsiangkao@linux.alibaba.com> Signed-off-by: Huang Jianan <huangjianan@oppo.com> Signed-off-by: Gao Xiang <hsiangkao@linux.alibaba.com>