erofs: set iowait for sync decompression
authorGao Xiang <gaoxiang25@huawei.com>
Tue, 8 Oct 2019 12:56:16 +0000 (20:56 +0800)
committerGao Xiang <gaoxiang25@huawei.com>
Sun, 24 Nov 2019 03:02:41 +0000 (11:02 +0800)
commita93f8c36877b2ae9ba0ca07eda1933944dc5bcb8
tree3b371829efe27289eb8edca7b4f956ae0e371065
parenta4b1fab121ec3235e6c5f3543ae1937426bd4eb4
erofs: set iowait for sync decompression

For those tasks waiting I/O for sync decompression,
they should be better marked as IO wait state.

Link: https://lore.kernel.org/r/20191008125616.183715-5-gaoxiang25@huawei.com
Reviewed-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Gao Xiang <gaoxiang25@huawei.com>
fs/erofs/zdata.c